# GizmoMD

> Where Tech Meets Healthcare


## Posts

- [AI Wearable Detects Early Frailty Signs to Support Safer Aging](https://gizmo.md/2025/12/23/ai-wearable-detects-early-frailty-signs-to-support-safer-aging/): Researchers at the University of Arizona have developed a soft, comfortable wearable device that uses artificial intelligence to detect early signs of frailty, a condition that significantly increases the risk of falls, hospitalization, and loss of independence among older adults and people with disabilities. Frailty is common but often underdiagnosed because it is usually assessed only after a major adverse event has already occurred. The team’s goal is to shift care from reactive to preventative by enabling continuous monitoring in everyday life. The device takes the form of a soft mesh sleeve worn around the lower thigh. It continuously monitors […]
- [Controlled-Release Capsules Could Simplify Future Treatments](https://gizmo.md/2025/12/18/controlled-release-capsules-could-simplify-future-treatments/): Researchers at the University of Mississippi are advancing a new drug delivery system based on smart capsules that can release medication in a controlled and programmable way. The goal is to make treatments more effective while reducing the burden on patients who require long‑term therapies. The technology is designed to address a common problem in chronic disease care: patients often need to take multiple doses of medication each day, which can be difficult to manage consistently. Missed doses or irregular drug levels can reduce the effectiveness of treatment and increase side effects. Smart capsules aim to solve this by automating […]
- [Liquid Biopsy Chip Tracks Glioblastoma Treatment Success](https://gizmo.md/2025/12/17/liquid-biopsy-chip-tracks-glioblastoma-treatment-success/): Glioblastoma is one of the most aggressive brain cancers, with most patients dying within two years and only about 10 percent surviving five years. Surgery cannot remove all tumor cells because they infiltrate brain tissue, and most chemotherapy drugs cannot cross the blood‑brain barrier. This makes monitoring treatment effectiveness especially difficult. Researchers at Northwestern Medicine and the University of Michigan have shown that a simple blood draw can reveal whether chemotherapy is killing glioblastoma cells. In a clinical trial, Northwestern doctors used the SonoCloud‑9 ultrasound device, developed by Carthera in France, to temporarily open the blood‑brain barrier for about an […]
- [Patient-Specific 3D Printing Enhances Cancer Surgery Outcomes](https://gizmo.md/2025/12/17/patient-specific-3d-printing-enhances-cancer-surgery-outcomes/): Head and neck cancers that invade bone are among the most difficult to treat surgically, because surgeons must balance complete tumor removal with preserving critical functions like speech, chewing, and swallowing. At The Ohio State University Comprehensive Cancer Center – Arthur G. James Cancer Hospital and Richard J. Solove Research Institute, researchers have shown that patient‑specific 3D‑printed models can improve this balance. In a study of 68 patients, 37 surgeries used custom 3D models created by the Medical Modeling, Materials and Manufacturing Lab. These models provided surgeons with a detailed, tangible guide to the patient’s anatomy and tumor location. The […]
- [Ultrasound Technique Softens Tumors to Improve Cancer Treatment](https://gizmo.md/2025/12/16/ultrasound-technique-softens-tumors-to-improve-cancer-treatment/): A team at the University of Colorado, Boulder has introduced a novel cancer treatment approach that uses ultrasound waves to soften tumors, enabling chemotherapy drugs to penetrate more effectively. Cancer remains the second leading cause of death in the United States, and one of the challenges in treatment is that tumor tissue is often so dense that drugs cannot reach the inner layers of cancer cells. The CU Boulder researchers paired high‑frequency ultrasound with specially designed particles that respond to sound waves. This combination reduced the protein content of tumors, loosening their structure and allowing chemotherapy agents to spread more […]
- [Smart Cardiac Patches Advance Stem Cell Repair Research](https://gizmo.md/2025/12/12/smart-cardiac-patches-advance-stem-cell-repair-research/): Researchers at Harvard University John A. Paulson School of Engineering and Applied Sciences and the Department of Stem Cell and Regenerative Biology have developed soft electronic cardiac patches that integrate nanoelectronics with stem cell–derived heart tissue. The goal is to improve the safety and effectiveness of stem cell therapies for repairing damaged hearts. Stem cell–derived cardiomyocytes hold promise for regenerating heart tissue after injury, but a major challenge has been their tendency to cause irregular rhythms when transplanted. Until now, clinicians have lacked tools to monitor how these cells behave once inside the heart. The Harvard team’s new platform embeds […]
- [New Sensor Technology Detects Complications After Intestinal Surgery Earlier](https://gizmo.md/2025/12/12/new-sensor-technology-detects-complications-after-intestinal-surgery-earlier/): An interdisciplinary team from Dresden University of Technology, Rostock University Medical Centre, and Dresden University Hospital has introduced an innovative implantable sensor film that enables reliable early detection of blood flow disorders following intestinal surgery. These disorders, particularly at intestinal anastomoses where sections of the bowel are surgically reconnected, represent one of the highest‑risk complications in abdominal surgery. The newly developed sensor film is both implantable and fully resorbable, meaning it dissolves naturally in the body after use. This eliminates the need for removal procedures and reduces the risk of long‑term complications. By continuously monitoring blood supply at the surgical […]
- [Bioinspired Micro‑LEDs Advance Pancreatic Cancer Care](https://gizmo.md/2025/12/12/bioinspired-micro-leds-advance-pancreatic-cancer-care/): Researchers at the Korea Advanced Institute of Science and Technology (KAIST) have developed an implantable, shape‑morphing 3D micro‑LED device designed to overcome barriers in pancreatic cancer treatment. Conventional therapies are limited by the dense tumor microenvironment, which blocks drugs and immune cells, while external lasers used in photodynamic therapy cannot penetrate deep tissue and risk damaging healthy organs. The new device uses a flexible, octopus‑like architecture that wraps around the tumor, maintaining uniform light delivery even as the tissue expands or contracts. This enables continuous, low‑intensity photostimulation that targets cancer cells while preserving normal tissue. In in vivo mouse experiments, the technology […]
- [Wearable Neonatal Monitoring System Tested in Ethiopia](https://gizmo.md/2025/12/11/wearable-neonatal-monitoring-system-tested-in-ethiopia/): Georgia Tech engineers have created a soft, all‑in‑one wearable system designed to improve neonatal health monitoring in low‑resource settings. The device combines a chest‑mounted patch with a forehead‑mounted pulse oximeter, transmitting real‑time data on heart rate, respiration, temperature, electrocardiograms, and blood oxygen saturation to a smartphone app. By automating vital sign tracking, the system reduces reliance on handwritten records and limited medical equipment, enabling faster detection of dangerous changes in newborns. A pilot study at Tikur Anbessa Specialized Hospital in Addis Ababa, Ethiopia, conducted with Ethiopian collaborators, showed that the wearable system provided superior oversight compared to current monitoring practices. […]
- [High‑Resolution Brain PET Scanner Expands Research Frontiers](https://gizmo.md/2025/12/10/high-resolution-brain-pet-scanner-expands-research-frontiers/): At the Yale School of Medicine, researchers are testing the “NeuroEXPLORER” (NX), an ultra high‑performance brain‑dedicated PET scanner that is redefining what is possible in brain imaging. Installed in 2023, the NX offers ten times the sensitivity and more than twice the spatial resolution of the previous state‑of‑the‑art scanner, enabling visualization of brain structures that were previously invisible. The NX allows scientists to study conditions such as Alzheimer’s disease, Parkinson’s disease, and brain cancer with unprecedented detail. In recent studies, the scanner revealed small structures like the mammillothalamic tract and substantia nigra, which play key roles in memory and movement. […]
- [Affordable Tools to Detect Low Blood Sugar in Newborns](https://gizmo.md/2025/12/10/affordable-tools-to-detect-low-blood-sugar-in-newborns/): A new study led by Rice University researchers has identified simple, low‑cost tools that can accurately detect hypoglycemia in newborns, a condition that can cause brain injury or death if untreated. The work highlights how affordable screening methods could save lives in low‑resource settings worldwide. Hypoglycemia is common in infants, especially those born prematurely or with low birth weight. In high‑income countries, blood glucose monitoring is routine, but many hospitals in developing regions lack the equipment or training to perform these tests. The Rice team, working with partners in Malawi and Uganda, evaluated several point‑of‑care devices and found that handheld […]
- [Cooling‑Triggered Drug Delivery Offers Targeted Pain Relief](https://gizmo.md/2025/12/05/cooling-triggered-drug-delivery-offers-targeted-pain-relief/): Researchers at Vanderbilt University have developed an innovative drug delivery mechanism that responds to cooling. The system uses a thermoresponsive hydrogel implant that releases medication when exposed to lower temperatures. This approach could allow patients to receive pain relief on demand without relying on systemic opioids. Currently, most on‑demand pain treatments involve opioids, which are highly addictive and contribute to thousands of deaths each year. The Vanderbilt team designed a composite device made from alginate and Soluplus polymers that encapsulates celecoxib, a nonsteroidal anti‑inflammatory drug (NSAID). When the implant is cooled, the hydrogel structure changes, triggering controlled drug release. The study […]
- [Noninvasive Imaging Could Replace Finger Pricks for Diabetes](https://gizmo.md/2025/12/05/noninvasive-imaging-could-replace-finger-pricks-for-diabetes/): MIT researchers have unveiled a new technology that could spare millions of diabetes patients from the discomfort of frequent finger pricks. The team has created a shoebox‑sized device that uses Raman spectroscopy, a technique that shines near‑infrared light onto the skin to reveal its chemical composition. By analyzing just three spectral bands, the device can accurately measure blood glucose levels without needles. In tests with healthy volunteers, the device produced readings comparable to commercial continuous glucose monitors, which require a wire implanted under the skin. Each measurement took about 30 seconds, and the system successfully tracked glucose changes after participants consumed […]
- [AI and Home Sensors Transform ALS Care Monitoring](https://gizmo.md/2025/12/03/ai-and-home-sensors-transform-als-care-monitoring/): At the University of Missouri, researchers are pioneering a system that combines in‑home sensors with artificial intelligence to improve care for people living with amyotrophic lateral sclerosis (ALS). The technology is designed to capture subtle daily changes in health that often go unnoticed between clinic visits, giving patients and caregivers earlier warnings and more timely interventions. The sensors, originally developed to track older adults, are being adapted for ALS to monitor walking, sleeping, and breathing patterns. Data flows securely to university servers, where machine learning models estimate scores on the ALS Functional Rating Scale Revised, the standard tool for measuring […]
- [Redesigning Dental Drills to Ease Patient Anxiety](https://gizmo.md/2025/12/03/redesigning-dental-drills-to-ease-patient-anxiety/): Dental anxiety is one of the most common barriers to oral health, and much of it stems from the piercing, high‑pitched sound of drills. Researchers led by Tomomi Yamada at Osaka University are tackling this problem by studying the aeroacoustics of dental drills in detail, aiming to redesign them so they produce less distressing noise without compromising performance. The team used Japan’s flagship supercomputer to simulate airflow inside and around drills that rotate at roughly 320,000 revolutions per minute. These simulations revealed how turbulence and pressure changes generate the characteristic whine. By mapping the acoustic patterns, the researchers identified design […]
- [Electrotherapy Offers Hope for Glioblastoma Treatment](https://gizmo.md/2025/12/02/electrotherapy-offers-hope-for-glioblastoma-treatment/): Researchers at Lund University have developed a new electrotherapy approach that targets glioblastoma, the most aggressive form of brain cancer. The method uses injectable nanoparticles that self‑assemble into a conductive hydrogel inside the tumor. Once in place, the hydrogel acts as an internal electrode, allowing doctors to deliver localized electrical stimulation directly to cancer cells. Glioblastoma is notoriously resistant to conventional treatments such as chemotherapy and radiation, with survival rates remaining very low. By applying electrical fields within the tumor itself, the new technique disrupts cancer cell growth while sparing surrounding brain tissue. The study demonstrates that this strategy can […]
- [Rapid Fabrication of Magnetic Microcatheters for Precision Medicine](https://gizmo.md/2025/12/01/rapid-fabrication-of-magnetic-microcatheters-for-precision-medicine/): Researchers at CIC nanoGUNE in San Sebastián, Spain have developed a fast method to produce magnetic microcatheters that can be steered and propelled inside the body. Using Joule heating applied to template wires, the team created tubular devices with controllable dimensions and magnetization. Three designs were demonstrated: a steerable guiding microcatheter with adjustable stiffness, an untethered tubular microrobot called TubeBot that moves with wave‑like crawling, and a hybrid combining guidance and propulsion. These devices can be fabricated quickly and in large numbers, making them suitable for clinical translation. The work highlights how magnetic control enables precise navigation in delicate environments. […]
- [Robot Reveals How the Brain Maintains Balance](https://gizmo.md/2025/11/27/robot-reveals-how-the-brain-maintains-balance/): Scientists at the University of British Columbia have built a robotic platform that shows how the brain keeps us upright. The device, described as a “body‑swap” robot, can alter the forces involved in standing balance and introduce short delays in feedback. By doing so, it reveals how the brain interprets both space and time to maintain stability. Standing requires constant coordination of signals from the eyes, inner ears, and feet. These signals naturally arrive with slight delays, and aging or disease can make the lag worse, increasing the risk of falls. The UBC robot reproduces forces such as gravity, inertia, […]
- [Noninvasive Spinal Stimulation Helps Restore Stepping in Paralysis](https://gizmo.md/2025/11/26/noninvasive-spinal-stimulation-helps-restore-stepping-in-paralysis/): Researchers at the Tokyo Metropolitan Institute of Medical Science have shown that noninvasive spinal stimulation can help people with chronic spinal cord injury regain stepping movements. The system links signals from the hands to stimulation of the lumbar spine. When participants performed rhythmic hand grips, those signals were converted into pulses that activated spinal circuits controlling the legs. Ten individuals with paraplegia took part in the study. Over repeated sessions, they demonstrated improvements in voluntary control of stepping. The technology bypasses damaged pathways between the brain and spinal cord without requiring surgery or implants, using external magnetic stimulation instead. The […]
- [Nanowire Breakthrough Reveals Astrocytes in Natural Form](https://gizmo.md/2025/11/25/nanowire-breakthrough-reveals-astrocytes-in-natural-form/): Astrocytes are star‑shaped support cells that make up much of the brain’s structure, helping neurons communicate and maintaining the blood‑brain barrier. They are essential for healthy brain function, but scientists have struggled to study them because astrocytes lose their distinctive branching shapes when grown on flat glass dishes. Without their natural form, it has been difficult to understand how they behave or how they contribute to diseases such as Alzheimer’s and Parkinson’s. Researchers at Johns Hopkins University, working with colleagues in Italy, have solved this problem by creating mats of nanowires made from glass. These mats mimic the texture of […]
- [Bacteria Capsules Detect Gut Disease Without Endoscopy](https://gizmo.md/2025/11/20/bacteria-capsules-detect-gut-disease-without-endoscopy/): Many gut problems are hard to catch because signs like bleeding or inflammation can come and go, and standard endoscopy might miss them. Scientists in China are developing swallowable capsules that contain harmless, engineered bacteria designed to act as tiny sensors inside the digestive tract. The idea is simple: the bacteria are programmed to react when they encounter certain clues linked to disease, such as blood components, inflammation markers, or chemical changes. When they detect these signals, the bacteria produce a response that the capsule’s electronics can read, turning a brief encounter into useful data for doctors. Because the capsule […]
- [3D Printed Blood Vessels Expose Patient Stroke Clot Risks](https://gizmo.md/2025/11/20/3d-printed-blood-vessels-expose-patient-stroke-clot-risks/): Strokes often begin with tiny blood clots forming inside damaged or irregular arteries, but it has been hard to watch those first moments in action. A University of Sydney team has built small, patient‑specific models of blood vessels that let researchers see how clots start and grow under lifelike conditions. They begin with medical scans from real patients and use those as blueprints to create miniature versions of the carotid artery, the vessel in the neck that supplies blood to the brain. These printed vessels are made directly on glass, which helps blood flow more naturally through them during tests. […]
- [Scientists Create Fully Synthetic Brain Tissue Model for Neurological Research](https://gizmo.md/2025/11/19/scientists-create-fully-synthetic-brain-tissue-model-for-neurological-research/): A new advance from the University of California, Riverside has produced the first fully synthetic brain tissue model, designed to eliminate reliance on animal-derived materials and provide a reproducible platform for studying neurological diseases. Traditional brain tissue models often depend on biological coatings such as laminin or fibrin to help cells survive, but these coatings are inconsistent and difficult to replicate. Rodent brains have also been used as stand-ins for human conditions, yet genetic and physiological differences limit accuracy. The UC Riverside innovation addresses these challenges by creating a synthetic scaffold that supports functional brain-like tissue without animal materials, aligning […]
- [Balloon-Assisted Bronchoscopy for Safer Access to Peripheral Lung Tumors](https://gizmo.md/2025/11/18/balloon-assisted-bronchoscopy-for-safer-access-to-peripheral-lung-tumors/): Lung cancer remains one of the most difficult cancers to diagnose early, largely because tumors often form in the peripheral regions of the lung where conventional bronchoscopes cannot reach. While CT scans can detect small lesions, obtaining a biopsy or delivering treatment has been a major challenge. The bronchi become narrower and more complex toward the periphery, forcing clinicians to stop several centimeters short of the target. This limitation has hindered both accurate diagnosis and minimally invasive treatment options. A new technique developed at Osaka University offers a solution by using balloon-assisted bronchoscopy to safely widen the airway and create […]
- [Biodegradable Microneedle Patch Heals the Heart After MI](https://gizmo.md/2025/11/18/biodegradable-microneedle-patch-heals-the-heart-after-mi/): Researchers at Texas A&M University have introduced a biodegradable microneedle patch designed to help the heart heal after a heart attack. Heart attacks deprive cardiac muscle cells of oxygen, causing them to die. The body responds by forming scar tissue, which stabilizes the heart but cannot contract like healthy muscle. This forces the remaining tissue to work harder, often leading to heart failure. The Texas A&M innovation aims to change this trajectory by delivering immune-modulating molecules directly to damaged tissue, creating a healing environment at the site of injury. The patch uses a microneedle system that penetrates the outer layer […]
- [Amorepacific and MIT Launch Skinsight Electronic Skin Platform](https://gizmo.md/2025/11/17/amorepacific-and-mit-launch-skinsight-electronic-skin-platform/): South Korean beauty company Amorepacific has been recognized as a CES 2026 Innovation Award Honoree for its advanced electronic skin platform, Skinsight, developed in collaboration with researchers at MIT. This achievement highlights the company’s leadership in beauty technology and marks its seventh consecutive CES Innovation Award, underscoring a consistent track record of innovation in the intersection of science, technology, and skincare. Skinsight is designed as a next-generation wearable system that functions like electronic skin. The platform consists of three integrated components: an ultra-thin sensor patch, a compact Bluetooth transmission module, and an AI-powered mobile application. Together, these elements allow users […]
- [Researchers Develop Injectable Antenna to Safely Power Deep Tissue Medical Implants](https://gizmo.md/2025/11/17/researchers-develop-injectable-antenna-to-safely-power-deep-tissue-medical-implants/): MIT researchers have unveiled a groundbreaking injectable antenna that could transform how medical implants are powered deep inside the human body. Traditional implants such as pacemakers or neuromodulators rely on bulky batteries or require invasive surgery for placement and maintenance. These approaches carry risks including infection, tissue damage, and repeated surgical interventions. The new antenna, developed by Associate Professor Deblina Sarkar and her group at the MIT Media Lab’s Nano-Cybernetic Biotrek, offers a safer and more efficient alternative by enabling battery-free implants that can be delivered through a simple injection. The device is a magnetoelectric antenna smaller than a grain […]
- [Researchers Develop Magnetic Microrobots for Targeted Drug Delivery in Stroke and Cancer Treatment](https://gizmo.md/2025/11/14/researchers-develop-magnetic-microrobots-for-targeted-drug-delivery-in-stroke-and-cancer-treatment/): A team at ETH Zurich has unveiled magnetic microrobots designed to deliver drugs directly to targeted sites in the human body, offering new possibilities for treating strokes, infections, and tumors. This innovation addresses a critical medical challenge: every year, millions of patients suffer strokes, and current therapies require high systemic doses of clot‑dissolving drugs that can cause severe side effects. By guiding medication precisely to the blocked vessel, the ETH Zurich microrobots promise safer and more effective treatment. The microrobots are engineered as spherical capsules with a soluble gel shell. Embedded within the shell are iron oxide nanoparticles that allow […]
- [Researchers Develop New Cannula Device to Improve Hip Arthroscopy Surgery](https://gizmo.md/2025/11/13/researchers-develop-new-cannula-device-to-improve-hip-arthroscopy-surgery/): Researchers at the University of Colorado Boulder have introduced a breakthrough surgical device that is transforming hip arthroscopy by making procedures safer, faster, and more effective. Hip arthroscopy is a minimally invasive surgery used to diagnose and treat joint problems, but traditional tools often limit precision and increase surgical time. The newly developed cannula device, formally named the CAP-LIFT cannula, provides surgeons with improved access to the hip joint, reducing complications and streamlining operations. Traditional cannulas used in hip arthroscopy often require multiple adjustments and can be difficult to position. This increases surgical time and risk, especially in complex procedures. […]
- [Researchers Develops Tabletop Blast Device to Study Traumatic Brain Injury](https://gizmo.md/2025/11/12/researchers-develops-tabletop-blast-device-to-study-traumatic-brain-injury/): Researchers at the University of Rhode Island have introduced a tabletop blast simulator designed to investigate the long-term effects of traumatic brain injury. The innovation provides a safe and accessible way to replicate blast conditions in a laboratory setting, allowing scientists to study how explosions damage the brain over time. Unlike large-scale military testing facilities, this compact system can be deployed in standard research labs, making advanced blast injury studies more widely available. Traumatic brain injury caused by blasts is a major concern for both military personnel and civilians. While the immediate consequences of TBI are well documented, the chronic […]
- [Biomaterials Reduce Medical Implant Failure by Improving Cell Integration](https://gizmo.md/2025/11/11/biomaterials-reduce-medical-implant-failure-by-improving-cell-integration/): A Brazilian startup supported by the São Paulo Research Foundation (FAPESP) has developed biomaterials that significantly reduce the risk of medical implant failure by improving how implants interact with human cells. The company, Extremus Smart Surfaces, is pioneering a microscopic surface treatment that transforms conventional implants into biologically active devices, accelerating healing and reducing complications. This innovation addresses a persistent problem in medicine, where implants such as dental, orthopedic, and cardiovascular devices often fail due to poor integration with surrounding tissue. Traditional implants are designed to provide mechanical support, but they do not actively engage with the biological environment. As […]
- [Smart Shirt Uses AI to Detect Epileptic Seizures in Real Time](https://gizmo.md/2025/11/10/smart-shirt-uses-ai-to-detect-epileptic-seizures-in-real-time/): A research team at Université de Montréal has developed a wearable smart shirt that can detect epileptic seizures in real time using artificial intelligence and integrated biometric sensors. Designed for comfort, discretion, and continuous monitoring, the shirt offers a promising alternative to traditional seizure detection systems, which often rely on bulky equipment or invasive procedures. The project’s goal was to create a textile-based solution that could monitor physiological signals associated with seizures and alert caregivers or medical personnel when an episode occurs. The result is a sensor-embedded shirt that tracks respiration, movement, and heart rate, all while maintaining the look […]
- [Ultrasound Device Measures Blood Viscosity in Real-time Without Drawing Blood](https://gizmo.md/2025/11/06/ultrasound-device-measures-blood-viscosity-in-real-time-without-drawing-blood/): A team of researchers at the University of Missouri has developed a non-invasive ultrasound device that can measure blood viscosity in real time, offering a new way to monitor cardiovascular health and disease progression. Blood viscosity—the thickness or stickiness of blood—has long been overlooked in routine diagnostics, despite its connection to heart disease, stroke, cancer, and other leading causes of death. The new device uses continuous-wave ultrasound to assess both viscosity and density simultaneously. It sends a steady sound wave through the bloodstream and analyzes how the wave interacts with the blood. A proprietary algorithm interprets these interactions to calculate […]
- [PRIME Fiber-Optic Device Enables Scalable Deep-Brain Stimulation With Unprecedented Precision](https://gizmo.md/2025/11/05/prime-fiber-optic-device-enables-scalable-deep-brain-stimulation-with-unprecedented-precision/): A new fiber-optic technology developed at Washington University in St. Louis is poised to transform neuroscience by enabling multi-site, reconfigurable optical stimulation deep within the brain. The device, called PRIME (Panoramically Reconfigurable IlluMinativE) fiber, delivers light to thousands of neural targets through a single, hair-thin implant—offering a minimally invasive solution to a long-standing challenge in optogenetics. Optogenetics uses light-sensitive ion channels to control neurons, allowing researchers to activate or silence specific cells. Traditional optical fibers, however, are limited to single-point delivery, making it impractical to study complex brain circuits that span multiple regions. To overcome this, the PRIME fiber integrates […]
- [Heart Patch Uses Timed Drug Delivery to Heal Damage After Heart Attack](https://gizmo.md/2025/11/04/heart-patch-uses-timed-drug-delivery-to-heal-damage-after-heart-attack/): A new implantable patch developed by MIT engineers could dramatically improve recovery after heart attacks by delivering a sequence of therapeutic drugs directly to damaged heart tissue. Designed for use during open-heart procedures such as bypass surgery, the patch mimics the body’s natural healing timeline by releasing three different drugs over a two-week period. In preclinical studies, this approach reduced tissue damage by 50 percent and significantly improved cardiac function. The patch is built from a soft hydrogel embedded with rows of biodegradable microparticles. Each particle contains a specific drug and is engineered to degrade at a precise time point—early, […]
- [Lung Cancer Breath Test Uses AI to Detect Volatile Biomarkers](https://gizmo.md/2025/11/04/lung-cancer-breath-test-uses-ai-to-detect-volatile-biomarkers/): A portable breath-based cancer screening tool developed at the University of Texas at Dallas is showing strong potential for early detection of thoracic cancers. By analyzing volatile organic compounds (VOCs) in exhaled breath and applying machine learning, the device can identify cancer-linked chemical signatures with 90 percent accuracy in initial clinical tests. This approach could make noninvasive cancer screening more accessible, especially in primary care settings. The sensor is designed to detect eight specific VOCs that are known to correlate with cancer metabolism. These compounds are present in trace amounts and require highly sensitive detection methods. The biosensor uses screen-printed […]
- [Researchers Develop Molecular Tools for Early Cancer Detection and Targeted Treatment](https://gizmo.md/2025/11/04/researchers-develop-molecular-tools-for-early-cancer-detection-and-targeted-treatment/): A new review from Oregon Health & Science University (OHSU) explores how advanced biomedical tools are helping scientists study cancer in its earliest stages. The paper focuses on three key technologies—organoids, organs-on-a-chip, and 3D bioprinting—that replicate human tissue environments more accurately than traditional models. These platforms allow researchers to observe how cancer begins, progresses, and responds to treatment in ways that were previously impossible. Organoids are miniature, lab-grown versions of human organs created from stem cells. They mimic the structure and function of real tissues, making them ideal for studying tumor development and drug response. OHSU researchers use organoids to […]
- [Wearable Brain Imaging System Reveals New Insights Into Multiple Sclerosis Progression](https://gizmo.md/2025/11/03/wearable-brain-imaging-system-reveals-new-insights-into-multiple-sclerosis-progression/): A team at the University of Nottingham has developed a wearable brain imaging system that enables researchers to study multiple sclerosis in real-world conditions. The device uses optically pumped magnetometers (OPMs) to measure magnetic fields generated by neural activity, offering a portable alternative to traditional magnetoencephalography (MEG) systems. This breakthrough allows patients to move freely during scans, capturing brain function in more natural states. Multiple sclerosis (MS) is a neurodegenerative disease that disrupts communication between the brain and body. Conventional imaging techniques often require patients to remain still in shielded rooms, limiting the ability to observe dynamic brain responses. The […]
- ["Lab-on-a-Scalpel" Concept Integrates Electrochemical Sensor for Real-Time Tissue Diagnostics During Surgery](https://gizmo.md/2025/11/03/lab-on-a-scalpel-concept-integrates-electrochemical-sensor-for-real-time-tissue-diagnostics-during-surgery/): A new proof-of-concept surgical tool developed at UCT Prague could one day allow surgeons to analyze tissue biochemistry in real time. Researchers from the Sofer Group have created a prototype scalpel with an integrated electrochemical sensor, fabricated using 3D printing and carbon nanomaterials. This innovation, described as a “lab-on-a-scalpel,” represents a step toward smarter surgical instruments capable of detecting tissue conditions during procedures. The sensor is embedded in the scalpel handle and designed to detect low concentrations of metabolites under controlled laboratory conditions. It was produced using commercially available 3D printers and a composite material that combines plastic with conductive […]
- [AI-Powered App Enables At-Home Sleep Stage Monitoring for Alzheimer’s Research](https://gizmo.md/2025/10/31/ai-powered-app-enables-at-home-sleep-stage-monitoring-for-alzheimers-research/): Sleep research is entering a new era of accessibility thanks to a wearable app developed by engineers at the University of Massachusetts Amherst. The app, called BIDSleep, transforms consumer-grade Apple Watches into advanced sleep monitoring tools, allowing researchers to track sleep stages outside of clinical labs. This innovation could accelerate studies on sleep health and its connection to neurodegenerative diseases such as Alzheimer’s. Traditional sleep studies rely on polysomnography, a complex and expensive process that requires overnight monitoring in specialized facilities. These setups involve multiple sensors to measure brain activity, breathing, and movement, making them difficult to scale for large […]
- [Retina-on-a-Chip Model Recreates Retinal Vein Occlusion for Drug Testing and Personalized Therapies](https://gizmo.md/2025/10/30/retina-on-a-chip-model-recreates-retinal-vein-occlusion-for-drug-testing-and-personalized-therapies/): A new retina-on-a-chip platform is offering researchers a powerful tool to study retinal vein occlusion, one of the leading causes of blindness worldwide. Developed by a multidisciplinary team from POSTECH in Korea, the model mimics the complex vascular and neural environment of the human retina, enabling real-time observation of disease progression and drug response. Retinal vein occlusion (RVO) is often triggered by chronic conditions such as hypertension and diabetes. When a retinal vein becomes blocked, it leads to fluid buildup, inflammation, and abnormal blood vessel growth, ultimately resulting in irreversible vision loss. Current treatments like anti-VEGF injections and laser therapy […]
- [Implantable Wafer Shows Promise for Preventing Glioblastoma Recurrence After Surgery](https://gizmo.md/2025/10/30/implantable-wafer-shows-promise-for-preventing-glioblastoma-recurrence-after-surgery/): A biodegradable implant developed by researchers at Massachusetts General Hospital and Harvard Medical School may offer new hope for patients with glioblastoma, an aggressive brain cancer known for its high recurrence rate. The device, called the CANDI wafer, is designed to be placed directly into the brain cavity after tumor removal, where it slowly releases a combination of drugs that reprogram immune cells to fight residual cancer. Glioblastoma typically returns after surgery and radiochemotherapy due to the presence of immunosuppressive myeloid cells in the tumor microenvironment. The CANDI wafer targets these cells by delivering immune-modulating molecules that activate their cancer-fighting […]
- [Tiny 3D Bioprinter Repairs Vocal Cord Tissue During Surgery With Precision Hydrogel Delivery](https://gizmo.md/2025/10/30/tiny-3d-bioprinter-repairs-vocal-cord-tissue-during-surgery-with-precision-hydrogel-delivery/): A miniature bioprinter developed by researchers at McGill University is offering a new way to reconstruct vocal cord tissue during surgery. Designed to deliver healing hydrogels directly to damaged vocal folds, the device measures just 2.7 millimeters across, making it the smallest bioprinter ever reported. This innovation could help prevent post-surgical fibrosis, a common complication that stiffens vocal cords and impairs speech. The bioprinter was engineered to fit within the narrow confines of a patient’s throat during laryngoscopic surgery. Inspired by the flexibility of an elephant’s trunk, the device features a tendon-controlled nozzle mounted on a surgical microscope. Surgeons can […]
- [Wireless Metamaterial Spinal Implant Tracks Healing and Reduces Risk After Fusion Surgery](https://gizmo.md/2025/10/29/wireless-metamaterial-spinal-implant-tracks-healing-and-reduces-risk-after-fusion-surgery/): Spinal fusion patients may soon benefit from real-time recovery tracking, thanks to a new wireless implant developed at the University of Pittsburgh. Engineers and surgeons have created a metamaterial-based device that monitors healing from inside the body, transmitting data wirelessly without the need for batteries or imaging scans. This innovation could reduce complications and improve outcomes for the nearly one million Americans who undergo spinal fusion each year. The procedure involves placing a metal cage and bone graft between vertebrae to stabilize the spine. Traditionally, clinicians rely on X-rays and patient feedback to assess healing, which can miss early signs […]
- [Nanoparticle-Enhanced Saline Boosts Laser Kidney Stone Treatment Without Modifying Surgical Equipment](https://gizmo.md/2025/10/29/nanoparticle-enhanced-saline-boosts-laser-kidney-stone-treatment-without-modifying-surgical-equipment/): A new approach to kidney stone treatment is gaining attention for its simplicity and effectiveness. Researchers at the University of Chicago and Duke University have developed a nanoparticle-infused saline solution that significantly improves the performance of laser lithotripsy, a common outpatient procedure used to break apart kidney stones. This innovation enhances energy delivery to the stone without requiring any changes to the laser hardware itself. Laser lithotripsy typically uses holmium:yttrium-aluminum-garnet (Ho-YAG) lasers to fragment kidney stones into smaller pieces that can be passed naturally. However, the saline solution used to irrigate the surgical site absorbs a large portion of the […]
- [Ultrasound Probe Captures Real-Time 4D Imaging of Entire Organs for Vascular Diagnostics](https://gizmo.md/2025/10/29/ultrasound-probe-captures-real-time-4d-imaging-of-entire-organs-for-vascular-diagnostics/): A new ultrasound imaging system developed by researchers at Inserm’s Physics for Medicine Institute in Paris is redefining how clinicians visualize blood flow across entire organs. The probe captures four-dimensional imaging—three spatial dimensions plus time—allowing dynamic, high-resolution views of vascular networks in organs such as the heart, liver, and kidneys. This technology offers a rare combination of full-organ coverage and micrometer-level precision, which has long been a trade-off in conventional ultrasound systems. The device uses 252 acoustic lenses arranged across a flat 8 by 10 centimeter array. This multi-lens configuration enables simultaneous imaging of volumes up to 120 by 100 […]
- [Withings’ U-Scan Nutrio Tracker Attaches to Toilet to Analyze Urine](https://gizmo.md/2025/10/29/withings-u-scan-nutrio-tracker-attaches-to-toilet-to-analyze-urine/): Hot on the heels of Kohler’s Dekoda poop analyzer announced last week, Withings has announced the launch of its toilet-mounted tracker, the U-Scan Nutrio. Though it’s number two in the smart-toilet segment, unlike Dekoda, U-Scan Nutrio analyzes your “number one”. U-Scan Nutrio is a home urine analysis device designed to monitor hydration, nutrition, and metabolic indicators through passive testing. Installed inside a toilet bowl, the device uses replaceable cartridges to perform up to 44 tests per cycle, automatically detecting urination events and transmitting data to the Withings app via Wi-Fi or Bluetooth. The system tracks four biomarkers: ketones, vitamin C, […]
- [Soft Robotic Valve Mimics Muscle Contractions to Treat Acid Reflux and Organ Dysfunction Without Surgery](https://gizmo.md/2025/10/27/soft-robotic-valve-mimics-muscle-contractions-to-treat-acid-reflux-and-organ-dysfunction-without-surgery/): Researchers at Vanderbilt University have developed a magnetic soft robotic valve designed to restore function in organs affected by muscular dysfunction, including the esophagus, intestines, and urinary tract. This innovation offers a minimally invasive alternative to traditional surgical implants and could transform treatment for conditions such as gastroesophageal reflux disease (GERD), which affects millions of people worldwide. The research team created a valve that mimics the natural contractions of smooth muscle, allowing it to regulate flow in tubular organs without relying on rigid materials or electrical stimulation. The device is constructed from soft polymers and uses magnetic actuation to produce […]
- [MagFlow Microcatheter Uses Blood Flow and Magnetic Steering to Deliver Therapies in Tiny Brain Vessels](https://gizmo.md/2025/10/27/magflow-microcatheter-uses-blood-flow-and-magnetic-steering-to-deliver-therapies-in-tiny-brain-vessels/): A team at the École Polytechnique Fédérale de Lausanne (EPFL) has introduced MagFlow, an ultraminiaturized neurovascular microcatheter designed to reach the smallest and most complex blood vessels in the human body. Unlike conventional catheters that rely on guidewires and manual manipulation, MagFlow uses the kinetic energy of blood flow and magnetic steering to navigate arteries as narrow as 150 microns—roughly the width of a human hair. This innovation could revolutionize how clinicians deliver targeted therapies to previously inaccessible regions of the brain and body. Traditional microcatheters are limited by size and maneuverability. Interventional neuroradiologists typically use a push-pull-torque technique to […]
- [Wearable Foot Sensors and Depth Cameras Match Clinical Standards for Gait Analysis](https://gizmo.md/2025/10/23/wearable-foot-sensors-and-depth-cameras-match-clinical-standards-for-gait-analysis/): Researchers at Florida Atlantic University have demonstrated that wearable foot sensors and depth cameras can accurately measure gait in clinical settings, offering a scalable alternative to traditional electronic walkways. This breakthrough could improve how clinicians monitor mobility, detect fall risk, and identify early signs of neurological conditions such as Parkinson’s disease and Alzheimer’s disease. Gait analysis is a valuable tool for assessing physical health, especially in older adults. However, conventional systems like the Zeno Walkway are expensive, bulky, and confined to laboratory environments. To address these limitations, the FAU team conducted a study comparing three technologies: foot-mounted inertial measurement units, […]
- [Wearable Sweat Patch Enables Early Skin Cancer Detection](https://gizmo.md/2025/10/23/wearable-sweat-patch-enables-early-skin-cancer-detection/): Scientists at Wake Forest University School of Medicine have developed a wearable patch that can detect early signs of skin cancer by analyzing biomarkers in sweat. The patch uses a combination of microfluidics and biosensing to identify abnormal protein levels associated with skin malignancies, offering a noninvasive alternative to traditional biopsies. Skin cancer is the most common cancer in the United States, and early detection is critical for successful treatment. However, current screening methods rely heavily on visual inspection and invasive tissue sampling, which can be uncomfortable and costly. The new patch aims to simplify and accelerate the diagnostic process […]
- [Ingestible Biosensor Pill Detects Intestinal Ischemia Noninvasively](https://gizmo.md/2025/10/23/ingestible-biosensor-pill-detects-intestinal-ischemia-noninvasively/): Researchers at Mass General Brigham and MIT have developed a swallowable biosensor capsule that can detect acute mesenteric ischemia—a life-threatening condition caused by reduced blood flow to the intestines—with remarkable accuracy. The device, called FIREFLI (Finding Ischemia via Reflectance of Light), was inspired by the bioluminescent chemistry of fireflies and uses light-based sensing to identify oxygen-deprived intestinal tissue. Acute mesenteric ischemia accounts for less than 1.5% of emergency visits for abdominal pain but has a mortality rate of 55%, largely due to delayed diagnosis. Current diagnostic methods rely on imaging and invasive procedures, which are often too slow to prevent […]
- ["Replaceable You": A GizmoMD Book Interview with Author Mary Roach](https://gizmo.md/2025/10/22/replaceable-you-a-gizmomd-book-interview-with-author-mary-roach/): “We can rebuild him. We have the technology. We can make him better than he was. Better . . . stronger . . . faster.” These iconic words were part of the opening lines of the hit TV series, The Six-Million Dollar Man, a show about an astronaut who is severely injured in an experimental aircraft and given bionic implants that turn him into a superhuman secret agent. Back in 1973 when it first aired, the show’s premise seemed a distant fantasy. But like Star Trek‘s tricorders and Lost in Space‘s robot, 1960’s and 70’s science fiction has become much […]
- [New Magnetic Coil Technology Enables Safe Non-Contact Nerve Stimulation for Chronic Pain Treatment](https://gizmo.md/2025/10/21/new-magnetic-coil-technology-enables-safe-non-contact-nerve-stimulation-for-chronic-pain-treatment/): A team at the Daegu Gyeongbuk Institute of Science and Technology (DGIST) has introduced a novel coil design that significantly improves the efficiency and safety of peripheral magnetic stimulation (PMS). This technology allows nerves to be stimulated using magnetic fields without requiring direct contact with the skin or nerve tissue, addressing key limitations of existing non-invasive and invasive nerve stimulation methods. Peripheral nerve disorders such as chronic pain, carpal tunnel syndrome, and facial nerve paralysis are typically treated using either implanted electrodes or surface electrical stimulation. However, implanted devices are invasive and can trigger immune responses that lead to scar […]
- [Kohler's Dekoda Health Tracker Attaches to Toilet to Monitor Hydration and Gut Health](https://gizmo.md/2025/10/21/kohlers-dekoda-health-tracker-attaches-to-toilet-to-monitor-hydration-and-gut-health/): The health division of Kohler, the consumer company best known for their bathroom products, have released Dekoda, a toilet-mounted health monitoring device that uses optical sensors and spectroscopy to analyze human waste. By emitting and measuring light reflected from the contents of the toilet bowl, it can estimate hydration levels, detect potential blood traces, and evaluate stool consistency and frequency. The goal is to capture passive, repeatable biological data that can indicate early shifts in digestive or metabolic health. The companion app organizes this data into longitudinal trends, offering insights into hydration patterns, bowel health, and potential irregularities that could […]
- [Breakthrough Retinal Implant Restores Reading Vision in Advanced Macular Degeneration Patients](https://gizmo.md/2025/10/20/breakthrough-retinal-implant-restores-reading-vision-in-advanced-macular-degeneration-patients/): Science Corporation’s PRIMA system, a brain-computer interface retinal implant, has demonstrated significant success in restoring functional central vision to patients suffering from geographic atrophy (GA), a late-stage form of dry age-related macular degeneration (AMD). The results of a multicenter clinical trial involving 38 patients across 17 sites in five countries were published in the New England Journal of Medicine. The study found that 84 percent of participants regained the ability to read letters, numbers, and words, and 80 percent showed meaningful improvements in visual acuity. The PRIMA system consists of a tiny subretinal photovoltaic implant paired with specialized augmented-reality glasses. […]
- [Engineers Develop Same-Day 3D-Printed Zirconia Dental Restorations](https://gizmo.md/2025/10/17/engineers-develop-same-day-3d-printed-zirconia-dental-restorations/): Engineers at the University of Texas at Dallas have developed a new method for producing same-day dental restorations using 3D printing and zirconia, a strong ceramic material commonly used for crowns and bridges. This innovation could transform dental care by allowing patients to receive permanent restorations in a single visit, rather than waiting days or weeks. Traditional zirconia restorations require a lengthy process that includes debinding to remove resin binders and high-temperature sintering to harden the material. This can take up to 100 hours, making it impractical for same-day service. The UT Dallas team solved this problem by using porous […]
- [Nanotubes Boost Blood Flow in Engineered Tissues](https://gizmo.md/2025/10/17/nanotubes-boost-blood-flow-in-engineered-tissues/): A team of researchers at Binghamton University has developed a new method to improve blood flow in bioengineered tissues using carbon nanotubes. This advancement addresses a major challenge in tissue engineering: how to ensure that artificial tissues receive enough oxygen and nutrients to survive and function properly. The researchers embedded carbon nanotubes into collagen-based scaffolds to create vascular channels that mimic natural blood vessels. These nanotubes enhance the electrical conductivity and mechanical strength of the scaffolds, helping guide the formation of capillary-like networks. In laboratory experiments, the modified scaffolds supported better growth of endothelial cells, which are essential for forming […]
- [Smartphone Relaxation App Eases Migraine Disability](https://gizmo.md/2025/10/17/smartphone-relaxation-app-eases-migraine-disability/): Researchers at NYU Langone Health have found that a smartphone-based relaxation program can significantly reduce migraine-related disability among patients who seek emergency care for severe headaches. The program, called RELAXaHEAD, guides users through progressive muscle relaxation (PMR), a technique that involves systematically tensing and relaxing different muscle groups to reduce stress and physical discomfort. In the study, 90 patients who visited the emergency department for migraines were randomly assigned to either use the app daily for 90 days or receive standard care without the app. Those who used RELAXaHEAD reported a 34 percent reduction in migraine-related disability, as measured by […]
- [Bioelectronic Mini-Colon Model for Disease Research](https://gizmo.md/2025/10/16/bioelectronic-mini-colon-model-for-disease-research/): A team at the University of California, Irvine has created a three-dimensional artificial colon that closely replicates the structure and behavior of human colon tissue. This innovation combines biological materials with embedded electronics to simulate real-time responses to disease and drug treatments. The model is designed to support research into colorectal cancer, inflammatory bowel disease, and other gastrointestinal conditions, while also enabling personalized medicine approaches. The artificial colon, referred to as the 3D in vivo mimicking human colon, measures approximately 5 by 10 millimeters and includes key anatomical features such as curved surfaces, layered cell structures, and cryptlike indentations. These […]
- [Swallowable Bioprinter Pill Offers New Way to Heal Internal Wounds](https://gizmo.md/2025/10/16/swallowable-bioprinter-pill-offers-new-way-to-heal-internal-wounds/): A team from the Laboratory for Advanced Fabrication Technologies at École Polytechnique Fédérale de Lausanne (EPFL) has created a miniature device called the Magnetic Endoluminal Deposition System, or MEDS, which functions as a pill-sized bioprinter. Once swallowed, MEDS can be guided through the digestive system using external magnets and activated by a near-infrared laser to release bio-ink directly onto internal wounds such as ulcers or hemorrhages. This approach could eliminate the need for invasive surgery and anesthesia, which are currently required to treat many gastrointestinal injuries. The device is designed like a tiny ballpoint pen. It contains a chamber filled […]
- [Mussel-Inspired Sponge Stops Internal Bleeding](https://gizmo.md/2025/10/16/mussel-inspired-sponge-stops-internal-bleeding/): Researchers at Pohang University of Science and Technology (POSTECH) in Korea have created a bioadhesive sponge that can rapidly stop internal bleeding, especially in high-risk surgeries involving organs like the liver or spleen. The sponge combines mussel adhesive protein with decellularized extracellular matrix (dECM) to provide strong tissue adhesion and support wound healing. Traditional hemostatic agents often fail to stick to wet tissue or degrade properly, leading to complications. The POSTECH sponge addresses these issues by adhering firmly to bleeding sites and activating the body’s natural clotting mechanisms. Once bleeding is controlled, the sponge biodegrades safely, while the dECM promotes […]
- [Customizable Finger Brace Supports Injury Recovery](https://gizmo.md/2025/10/15/customizable-finger-brace-supports-injury-recovery/): Engineers at Carnegie Mellon University have developed a customizable finger brace that uses 3D printing and embedded sensors to support recovery from hand injuries. The brace is designed to be lightweight, adjustable, and responsive to individual needs, making it suitable for a wide range of rehabilitation scenarios. The device includes soft actuators and sensors that monitor finger movement and provide feedback during recovery. Patients can wear the brace while performing exercises, and the sensors track progress in real time. This data can be shared with therapists to adjust treatment plans and ensure proper healing. One of the key features of […]
- [Wearable Sensor Tracks Vitamin B6 and Glucose in Sweat](https://gizmo.md/2025/10/15/wearable-sensor-tracks-vitamin-b6-and-glucose-in-sweat/): A team at Penn State has developed a skin-mounted sensor that can detect vitamin B6 and glucose in sweat, offering a non-invasive way to monitor key health markers. This technology could be especially useful for people with chronic conditions like diabetes, who often experience low vitamin B6 levels and need regular glucose monitoring. Vitamin B6 plays a vital role in immune function and brain health, but current methods for measuring it require expensive and invasive blood tests. The new sensor uses laser-induced graphene nanocomposites combined with molecularly imprinted polymers (MIPs) to selectively bind and detect vitamin B6 molecules. These MIPs […]
- [Microchip Tracks Alzheimer’s in Real Time](https://gizmo.md/2025/10/13/microchip-tracks-alzheimers-in-real-time/): Researchers at Concordia University have developed a new microchip that can monitor brain activity related to Alzheimer’s disease in real time. This technology could help scientists better understand how the disease progresses and lead to earlier and more accurate diagnoses. Alzheimer’s disease is a complex condition that affects memory, thinking, and behavior. It develops gradually, often over many years, and is difficult to study because traditional tools only provide snapshots of brain activity. The new chip developed at Concordia changes that by offering continuous monitoring of the brain’s electrical signals and chemical markers. The chip is designed to detect specific […]
- [Wearable Tech Gets Smarter at Detecting Coughs](https://gizmo.md/2025/10/13/wearable-tech-gets-smarter-at-detecting-coughs/): Researchers at North Carolina State University have developed a more accurate way to detect coughing using wearable health monitors. This innovation could improve how doctors monitor chronic respiratory conditions like asthma and help track symptoms of infectious diseases such as COVID-19 or the flu. Traditional cough detection systems rely mostly on audio recordings. However, these systems often misidentify other sounds, such as speech, sneezes, or throat clearing, as coughs. This leads to false positives and limits the usefulness of the technology in real-world environments. To address this, the NC State team created a system that combines audio data with motion […]
- [Deep Brain Stimulation Reduces Stuttering in Groundbreaking Patient Trial](https://gizmo.md/2025/10/10/deep-brain-stimulation-reduces-stuttering-in-groundbreaking-patient-trial/): A pilot study led by researchers at Goethe University Frankfurt and Münster University Hospital has shown that deep brain stimulation (DBS) can significantly reduce stuttering in patients with severe speech flow disorders. The team implanted a thin electrode into the left thalamus of a patient with persistent developmental stuttering and used mild electrical pulses to stimulate the brain region over several months. The results were striking. The patient’s stuttering frequency dropped by 46 percent, and the severity of episodes decreased. When the stimulation was turned off without the patient’s knowledge, his stuttering worsened again, confirming the biological impact of the […]
- [Nanoparticle Vaccine Prevents Cancer and Stops Spread in Mice](https://gizmo.md/2025/10/09/nanoparticle-vaccine-prevents-cancer-and-stops-spread-in-mice/): Scientists at the University of Massachusetts, Amherst have created a new type of cancer vaccine that successfully prevents tumors and stops cancer from spreading in mice. The vaccine uses tiny particles called nanoparticles to train the immune system to recognize and destroy cancer cells before they can grow or spread. Led by biomedical engineer Prabhani Atukorale, the research team tested the vaccine on three aggressive types of cancer: melanoma, pancreatic cancer, and triple-negative breast cancer. In one study, mice received the vaccine and were later exposed to melanoma cells. Most of the vaccinated mice, about 80 percent, remained healthy and […]
- [Brain-on-a-Chip Reveals How Disease Disrupts Brain Barriers](https://gizmo.md/2025/10/08/brain-on-a-chip-reveals-how-disease-disrupts-brain-barriers/): Researchers at the University of Rochester have developed a brain-on-a-chip platform that models how diseases such as sepsis and neurodegenerative conditions damage the blood-brain barrier. This barrier protects the brain from harmful substances in the bloodstream, and its breakdown can lead to serious neurological complications. The new platform allows scientists to observe how inflammation and disease-related stress signals weaken this barrier and trigger harmful changes in brain cells. The device uses human tissue embedded in microchips to simulate the structure and function of the blood-brain barrier. Researchers introduced cytokine storms—intense immune responses often seen in severe infections—and observed how they […]
- [AI-Powered Radar System Monitors Subtle Health Changes Without Wearables](https://gizmo.md/2025/10/07/ai-powered-radar-system-monitors-subtle-health-changes-without-wearables/): Researchers at the University of Waterloo have developed a contactless radar system that uses artificial intelligence to monitor subtle changes in a person’s health. Unlike wearable devices that require physical contact or regular charging, this system operates remotely by analyzing how radio waves bounce off the human body. It can detect small shifts in movement, breathing, and other physiological signals, offering a noninvasive way to track health over time. The radar system works by sending low-power radio signals toward a person and interpreting the reflections using machine learning algorithms. These reflections contain detailed information about body motion, including patterns that […]
- [New Neural Probe Captures Brain Activity During Behavior](https://gizmo.md/2025/10/06/new-neural-probe-captures-brain-activity-during-behavior/): Understanding how the brain works during real-life behavior has long been a challenge for neuroscientists. Researchers at the University of Washington have developed a powerful new neural probe that records activity across multiple brain regions while animals are freely moving. This tool allows scientists to observe how different circuits interact during tasks like decision-making, movement, and social interaction. The probe is made from ultra-thin, flexible materials that minimize damage to brain tissue and allow for long-term recordings. It contains hundreds of electrodes arranged to capture signals from deep and surface-level structures simultaneously. In tests with mice, the device recorded detailed […]
- [Ultrasound Holograms Offer New Way to Influence Brain Activity](https://gizmo.md/2025/10/06/ultrasound-holograms-offer-new-way-to-influence-brain-activity/): A team of researchers at ETH Zurich has developed a novel technique that uses ultrasound holograms to influence brain networks with high precision. This approach could open new possibilities for treating neurological disorders and studying brain function without invasive procedures. Unlike traditional ultrasound methods that focus energy on a single point, the ETH system creates complex three-dimensional pressure patterns that can target multiple brain regions simultaneously. The technique works by generating holographic ultrasound fields using a specially designed transducer array. These fields can be shaped to match the geometry of specific brain networks, allowing researchers to stimulate or modulate activity […]
- [Wearable Patch Reduces Cravings for Alcohol and Drugs](https://gizmo.md/2025/10/03/wearable-patch-reduces-cravings-for-alcohol-and-drugs/): Managing addiction often requires a combination of therapy, medication, and lifestyle changes. Scientists at Mass General Brigham have developed a wearable patch that could offer a new tool in this effort by reducing cravings for alcohol and drugs through gentle electrical stimulation. The patch is designed to be worn on the upper arm and delivers low-level pulses that influence brain activity linked to reward and impulse control. In a recent clinical study, participants who wore the patch reported fewer cravings and a reduced desire to consume substances. The device works by targeting peripheral nerves that communicate with brain regions involved […]
- [Skin Sensor Technology Could Transform Eczema and Psoriasis Care](https://gizmo.md/2025/10/03/skin-sensor-technology-could-transform-eczema-and-psoriasis-care/): Skin conditions like eczema and psoriasis affect millions of people and can be difficult to manage due to their unpredictable flare-ups. Researchers at Heriot-Watt University have developed a new skin-sensing technology that could change how these conditions are monitored and treated. The system uses a flexible, wearable sensor to track changes in skin hydration, inflammation, and barrier function in real time. The sensor is designed to be comfortable and unobtrusive, adhering to the skin without causing irritation. It collects data continuously and transmits it to a mobile device, allowing users and clinicians to monitor skin health throughout the day. This […]
- [Detecting the Flu with a Tongue Sensor](https://gizmo.md/2025/10/03/detecting-the-flu-with-a-tongue-sensor/): Imagine diagnosing the flu with a simple tongue test. Researchers have developed a prototype sensor that could one day make this possible by detecting viral proteins directly from saliva. The device uses a small, flexible strip coated with antibodies that bind to influenza A proteins. When the strip is placed on the tongue, it captures viral markers and produces a measurable electrical signal, indicating the presence of infection. The sensor is based on electrochemical detection, a technique that converts biological interactions into readable data. In lab tests, the device successfully identified influenza A proteins in saliva samples within minutes. Its […]
- [Algorithmic Advances: A Monthly Recap of AI in Healthcare (September 2025)](https://gizmo.md/2025/10/01/algorithmic-advances-a-monthly-recap-of-ai-in-healthcare-september-2025/): Artificial intelligence may not be a classic “gizmo,” but it’s become an undeniable, rapidly evolving force in healthcare. From streamlining clinical workflows to flagging anomalies in imaging, algorithms are working their way into nearly every corner of medicine. The jury’s still out on just how useful, safe, or transformative these tools will ultimately be. But there’s no shortage of momentum—or headlines. So here’s a curated look at some of the most noteworthy AI-in-medicine developments from the past month. Predictive Health & Risk Forecasting Brain, Neurology & Mental Health Drug Delivery & Therapeutics Respiratory & Environmental Health Musculoskeletal & Spine Care […]
- [Glasses Track Your Health Through Your Blinks](https://gizmo.md/2025/10/01/glasses-track-your-health-through-your-blinks/): Researchers at the University of Pennsylvania have developed a new wearable device called BlinkWise that transforms ordinary eyeglasses into smart health monitors by analyzing how people blink. Instead of relying on cameras or invasive sensors, BlinkWise uses low-power radio waves and artificial intelligence to track eyelid movements with millisecond-level precision. This allows the system to detect subtle changes in blink patterns that reflect a person’s physical and mental state. Blinking happens more than 10,000 times a day, and each blink carries information about fatigue, focus, eye dryness, and cognitive load. BlinkWise captures these dynamics by measuring blink duration, completeness, and […]
- [New Fiber-Optic Technique Tracks Alzheimer’s Plaques in Moving Mice](https://gizmo.md/2025/09/30/new-fiber-optic-technique-tracks-alzheimers-plaques-in-moving-mice/): Studying Alzheimer’s disease in living, active animals has long been a challenge due to limitations in imaging technology. Researchers at the University of Strathclyde and the Italian Institute of Technology have now developed a fiber-optic method that allows scientists to track amyloid-beta plaques in the brains of freely moving mice. This breakthrough offers a more realistic view of how the disease progresses and how plaques behave in natural conditions, rather than under anesthesia or in restrained environments. The technique uses a specialized fiber-optic probe that emits and collects light to detect fluorescent markers bound to amyloid-beta plaques. These markers glow […]
- [Researchers Develop "CiliaBot" to Study Microscopic Motion](https://gizmo.md/2025/09/29/researchers-develop-ciliabot-to-study-microscopic-motion/): Tiny hair-like structures called cilia play a critical role in how fluids move across surfaces in the human body, from clearing mucus in the lungs to circulating cerebrospinal fluid in the brain. Understanding how cilia work has been difficult due to their microscopic size and complex behavior. Researchers at Carnegie Mellon University have developed a new robotic platform called CiliaBot that mimics the motion of cilia, allowing scientists to study their dynamics in greater detail. CiliaBot is a modular system made up of flexible, motorized filaments that can be programmed to move in coordinated patterns. These artificial cilia are designed […]
- [Imaging Blood Flow Helps Improve Artificial Heart Design](https://gizmo.md/2025/09/26/imaging-blood-flow-helps-improve-artificial-heart-design/): Designing a mechanical heart that mimics the natural flow of blood is no small feat. At Linköping University in Sweden, researchers have used advanced imaging techniques to study blood movement inside a pulsating artificial heart. This work is helping engineers refine the device to reduce complications such as blood clots and red blood cell damage. The team partnered with Scandinavian Real Heart AB and used magnetic resonance imaging to observe how blood flows through the artificial heart in real time. By comparing these patterns to those in a healthy human heart, they identified areas where turbulence or stagnation could pose […]
- [Lung-on-a-Chip with Immune Cells Mimics Real Disease Response](https://gizmo.md/2025/09/25/lung-on-a-chip-with-immune-cells-mimics-real-disease-response/): Understanding how the human lung responds to infection is a complex challenge. A team from Georgia Tech and Vanderbilt University has created a lung-on-a-chip that includes a functioning immune system, offering a new way to study respiratory diseases and test treatments. This miniature device contains living human cells arranged to replicate the structure and behavior of a real lung, and it can circulate immune cells that respond to pathogens in real time. When researchers introduced a severe influenza virus, the chip reacted with inflammation and immune cell activation, closely mirroring human biology. This allows scientists to observe how lungs respond […]
- [Researchers 3D Print Realistic Human Tissue for Medical Training](https://gizmo.md/2025/09/25/researchers-3d-print-realistic-human-tissue-for-medical-training/): In emergency medicine, realism matters. Simulated training tools often fall short when it comes to replicating the feel and behavior of actual human tissue. Researchers at the University of Minnesota have developed a new 3D printing method that creates lifelike tissue models designed to improve hands-on medical training. These printed tissues mimic the mechanical properties of skin and organs, including directional strength and bleeding behavior, offering a more accurate experience for trainees. The innovation uses anisotropic voxel structures and embedded fluid capsules to simulate how real tissue responds to pressure, cutting, and manipulation. When sliced, the capsules release a blood-like […]
- [AI Bandage Speeds Up Wound Healing](https://gizmo.md/2025/09/25/ai-bandage-speeds-up-wound-healing/): Not all wounds heal at the same pace, and chronic wounds can be especially difficult to treat. Engineers at the University of California, Santa Cruz have created a smart bandage called a-Heal that uses artificial intelligence and bioelectronics to monitor and accelerate healing. The device combines a small camera, machine learning, and therapeutic delivery in one wearable system. Every two hours, a-Heal captures images of the wound and analyzes them using an AI model. If healing is slower than expected, the system responds by applying either fluoxetine to reduce inflammation or an electric field to stimulate cell migration. This closed-loop approach allows for personalized treatment based on real-time data. The AI model, developed by Marcella Gomez, uses reinforcement learning to adapt its strategy over time. It learns from each patient’s healing progress and adjusts interventions accordingly. The device also sends updates to a secure web interface, so clinicians can monitor recovery remotely. Tests conducted with the University of California Davis showed that wounds treated with a-Heal healed about 25 percent faster than those receiving standard care. The device attaches to a regular bandage and operates wirelessly, making it easy to use in both clinical and home settings. This technology represents a major advance in personalized wound care. By integrating sensing, diagnosis, and treatment into one system, a-Heal could help patients recover faster and reduce the burden on healthcare providers.
- [Diamond-Titanium Device Could Power Future Implants](https://gizmo.md/2025/09/24/diamond-titanium-device-could-power-future-implants/): Replacing batteries in medical implants often requires surgery, which adds risk and cost. Researchers at RMIT University have developed a new material that could eliminate the need for batteries altogether. Their device combines titanium with microscopic diamond particles to generate electricity from fluid movement and receive wireless power through tissue. This breakthrough could lead to smarter, longer-lasting implants such as stents, drug delivery systems, and prosthetics. The device works passively, harvesting energy from flowing liquids like blood and receiving wireless signals without active electronics. This makes it safer and more compatible with the human body. Dr. Arman Ahnood and his […]
- [Microfluidic Biosensor Speeds Up Antibody Manufacturing](https://gizmo.md/2025/09/24/microfluidic-biosensor-speeds-up-antibody-manufacturing/): Monoclonal antibodies are vital tools in modern medicine, used to treat everything from cancer to autoimmune diseases. Producing them efficiently, however, remains a challenge. Scientists at the Terasaki Institute for Biomedical Innovation have developed a new biosensing platform that could revolutionize how these antibodies are manufactured. The system allows researchers to monitor antibody secretion from cells in real time, making it easier to identify the most productive cell lines. The platform combines a photonic crystal biosensor with a microtranswell chip, enabling precise tracking of antibody output from hybridoma cells. This setup reduces the need for traditional end-point assays, which are […]
- [Smart Shoe Insert Could Help People Walk More Safely](https://gizmo.md/2025/09/24/smart-shoe-insert-could-help-people-walk-more-safely/): Walking may seem effortless, but for many people with neurological conditions or age-related mobility issues, it can be a daily challenge. Researchers at the Georgia Institute of Technology have developed a new smart insole that could make walking safer and more manageable by monitoring foot pressure in real time. The device fits inside any shoe and contains over 170 thin, flexible sensors that track how weight is distributed across the foot. This data can help identify imbalances that often lead to falls. The insole was created using screen-printed nanomaterials and piezoresistive sensors, a technique that keeps costs low and makes […]
- [BAMBI Device Offers Low-Cost, Life-Saving Solution for Postpartum Hemorrhage in Vulnerable Settings](https://gizmo.md/2025/09/22/bambi-device-offers-low-cost-life-saving-solution-for-postpartum-hemorrhage-in-vulnerable-settings/): A multidisciplinary team at Politecnico di Milano in Italy has developed BAMBI (Balloon Against Maternal BleedIng), a low-cost medical device designed to stop postpartum hemorrhage (PPH)—a leading cause of maternal death in low-resource regions. The device is now entering clinical trials, marking a critical step toward global deployment. The concept originated with gynecologist Alberto Zanini, who witnessed the devastating impact of PPH during volunteer work in Africa and Southeast Asia. He partnered with researchers from Politecnico di Milano’s Departments of Chemistry, Mechanics, and Design to engineer a solution that could be safely used even in facilities lacking specialized personnel. BAMBI’s […]
- [Minimally Invasive Brainwave Recording via Blood Vessels](https://gizmo.md/2025/09/22/minimally-invasive-brainwave-recording-via-blood-vessels/): Researchers at the University of Osaka have introduced a novel technique for recording brain activity by threading ultra-thin electrodes through blood vessels, offering a safer and less invasive alternative to traditional neurosurgical methods. This approach could reshape how clinicians diagnose and treat neurological disorders such as epilepsy, and it opens new possibilities for advanced brain-computer interfaces. Conventional methods for capturing brain signals typically involve removing part of the skull to place electrodes on the brain’s surface or inserting them directly into brain tissue. These procedures carry significant risks, including infection, inflammation, and long recovery times. Non-invasive techniques like EEG are […]
- [Shape-Shifting Metamaterial Could Transform Implantable and Ingestible Medical Devices](https://gizmo.md/2025/09/19/shape-shifting-metamaterial-could-transform-implantable-and-ingestible-medical-devices/): Researchers at Rice University have developed a soft, programmable metamaterial that can rapidly change its shape and size when activated remotely, offering a new foundation for safer and more versatile medical devices. This innovation could revolutionize how implantable and ingestible systems are designed, especially for applications that require flexibility, durability, and precise control inside the body. Unlike traditional materials that rely on chemical composition for their properties, metamaterials derive their behavior from their physical structure. The Rice team, led by mechanical engineer Yong Lin Kong, created a fiber-like material composed of trapezoidal segments and reinforced beams. These geometric features allow […]
- [Implantable Neurostimulator Restores Blood Pressure Control After Spinal Cord Injury](https://gizmo.md/2025/09/18/implantable-neurostimulator-restores-blood-pressure-control-after-spinal-cord-injury/): A new implant developed through an international collaboration led by the University of Calgary has shown remarkable success in restoring blood pressure regulation for individuals with spinal cord injuries (SCI). The device, which delivers targeted electrical stimulation to the spinal cord, offers a breakthrough for patients who experience dangerous fluctuations in blood pressure due to disrupted autonomic control. One such patient, Cody Krebs, suffered a severe SCI in 2022 and has since relied on a wheelchair. Like many with SCI, Krebs faced unpredictable drops and spikes in blood pressure that left him vulnerable to fainting, migraines, and cardiovascular complications. These […]
- [Real-Time Biosensor Detects Airborne Viruses Without Lab Equipment](https://gizmo.md/2025/09/17/real-time-biosensor-detects-airborne-viruses-without-lab-equipment/): Researchers from Universitat Politècnica de València (UPV) and Universitat de València (UV) have developed a compact biosensor capable of detecting airborne viruses in real time, offering a fast, low-cost alternative to traditional lab-based methods. This innovation could significantly improve public health monitoring in hospitals, schools, transportation hubs, and other indoor environments. The biosensor works without chemical markers or additional reagents, which sets it apart from existing systems that often require bulky equipment and complex sample preparation. Conventional air sampling methods typically involve collecting pathogens on Petri dishes or in liquid solutions, followed by laboratory analysis that can take days. In […]
- [Soft Bioelectric Fiber Blends Sensing, Stimulation, and Drug Delivery](https://gizmo.md/2025/09/17/soft-bioelectric-fiber-blends-sensing-stimulation-and-drug-delivery/): Stanford University researchers have developed a groundbreaking bioelectronic fiber called “NeuroString” that may redefine how we monitor, stimulate, and treat the human body. Just a quarter of a millimeter wide (about the thickness of a human hair), NeuroString is soft, flexible, and capable of hosting hundreds to thousands of independent electronic channels. Each channel can sense neurochemicals, stimulate muscles or nerves, monitor organ activity, or deliver drugs with pinpoint precision. The fiber was co-developed by chemical engineer Zhenan Bao and pediatric surgeon James Dunn, who sought a way to measure intestinal function in children with short gut syndrome. Dunn had […]
- [Autoinjector Delivers Lifesaving Bleeding Treatment in Minutes](https://gizmo.md/2025/09/16/autoinjector-delivers-lifesaving-bleeding-treatment-in-minutes/): In emergency trauma situations, time is critical. Severe bleeding can lead to death within minutes, and administering lifesaving drugs quickly is often difficult in chaotic environments. Researchers at The Hebrew University of Jerusalem have developed a new autoinjector that delivers tranexamic acid (TXA) rapidly and effectively, offering a major advancement in pre-hospital care. TXA is a well-established medication that helps stabilize blood clots and reduce bleeding. It is commonly used in hospitals and trauma centers, but its effectiveness depends on how quickly it is administered. Intravenous delivery is the standard method, yet it requires trained personnel and can be challenging […]
- [Engineers Develop Light-Responsive Material to Stimulate Heart Cells](https://gizmo.md/2025/09/16/engineers-develop-light-responsive-material-to-stimulate-heart-cells/): Heart disease remains one of the leading causes of death worldwide, and researchers continue to search for better ways to repair damaged cardiac tissue. A new breakthrough from the University of California, Irvine offers a promising solution: a light-responsive biomaterial that can stimulate heart cells without the need for invasive procedures or genetic modification. Developed by a team of chemical and biomolecular engineers, the material converts light into electrical signals that guide heart cells to contract more rhythmically and express more mature cardiac features. This approach mimics the natural electrical cues that regulate heartbeat, but does so using external light […]
- [3D Bioprinted Mini Placentas Offer New Insights into Pregnancy Complications](https://gizmo.md/2025/09/16/3d-bioprinted-mini-placentas-offer-new-insights-into-pregnancy-complications/): Understanding the placenta is critical to improving maternal and fetal health, yet studying it has long been a challenge. Access to early-stage placental tissue is limited, and animal models often fail to replicate human biology. Researchers at the University of Technology Sydney have addressed this gap by developing 3D bioprinted placental organoids—miniature, lab-grown versions of the human placenta that mimic its structure and function. Led by Associate Professor Lana McClements and Dr. Claire Richards, the team used a synthetic gel to grow trophoblast cells, which are the building blocks of the placenta. These cells were printed into culture dishes using […]
- [Smart Hydrogel Dressings Use AI to Monitor and Heal Chronic Wounds](https://gizmo.md/2025/09/12/smart-hydrogel-dressings-use-ai-to-monitor-and-heal-chronic-wounds/): A new review from researchers in China highlights a promising approach to treating chronic wounds using intelligent hydrogel dressings that combine conductive materials with artificial intelligence. These dressings are designed to monitor wound conditions in real time while actively promoting healing, offering a potential breakthrough for patients with diabetic ulcers, pressure sores, and joint-related injuries. The technology centers on conductive hydrogels—soft, flexible materials that can sense physiological signals such as temperature, pH, glucose levels, pressure, and even pain indicators. These signals are collected continuously and noninvasively, giving clinicians and caregivers a dynamic view of the wound’s status without needing to […]
- [Personalized Brain Stimulation Shows Promise for Treating Depression](https://gizmo.md/2025/09/12/personalized-brain-stimulation-shows-promise-for-treating-depression/): A new study from UCLA Health suggests that a more targeted form of brain stimulation may offer faster and more effective relief for people with moderate to major depression. The treatment, known as high-definition transcranial direct current stimulation (HD-tDCS), uses small electrodes and neuroimaging to deliver precise electrical currents to specific brain regions involved in mood regulation. Unlike traditional tDCS, which applies broader stimulation across the scalp, HD-tDCS focuses on individual brain networks linked to emotional processing and self-reflection. This personalized approach aims to improve outcomes by tailoring the stimulation to each patient’s unique brain activity. In the study, 71 […]
- [Portable Brain Monitor Uses Light to Detect Early Signs of Dementia](https://gizmo.md/2025/09/11/portable-brain-monitor-uses-light-to-detect-early-signs-of-dementia/): A compact brain-monitoring device may soon make it easier to detect dementia in its early stages without relying on expensive hospital imaging. Developed by researchers in the United Kingdom, the system uses broadband near-infrared spectroscopy (bNIRS) to measure subtle metabolic changes in the brain that are associated with cognitive decline. Unlike MRI or PET scans, which require specialized facilities and can be costly, this wearable device is portable and noninvasive. It works by shining near-infrared light into the brain and analyzing how the light interacts with molecules involved in energy production. One key target is cytochrome c oxidase (oxCCO), a […]
- [Bottlebrush Nanoparticles Deliver High-Dose Chemotherapy Directly to Tumors](https://gizmo.md/2025/09/11/bottlebrush-nanoparticles-deliver-high-dose-chemotherapy-directly-to-tumors/): Chemotherapy is a powerful tool in the fight against cancer, but its systemic delivery often causes severe side effects. Researchers at MIT have developed a new type of nanoparticle that may solve this problem by delivering large doses of chemotherapy drugs directly to tumor cells while sparing healthy tissue. These particles are shaped like bottlebrushes and are engineered to carry hundreds of drug molecules. Each particle is tethered to an antibody that targets specific proteins found on cancer cells, such as HER2 in breast cancer or MUC1 in ovarian and lung cancers. This design allows the particles to home in […]
- [Wearable Microneedles Inspired by Bee Stings Offer Painless Drug Delivery](https://gizmo.md/2025/09/10/wearable-microneedles-inspired-by-bee-stings-offer-painless-drug-delivery/): For patients with chronic conditions, daily or long-term injections can be a painful and disruptive part of life. A team of researchers from Chung-Ang University in South Korea has developed a new wearable microneedle patch that could change how medications are delivered. Inspired by the structure of a bee sting, this patch uses soft, breathable microneedles to deliver drugs continuously through the skin without causing discomfort. The technology, known as Electrospun Web Microneedles (EW-MNs), combines nanoscale fibers with metal microneedle tips. These fibers are created using an electrospinning process, which forms a web-like layer that mimics the barbed anchoring mechanism […]

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