Medical Device Design & Development
We’ve all seen or heard commercials from the American Stroke Association (ASA) encouraging people who suspect they might be having a stroke to call 9-1-1 right away, because “time lost is brain lost.”. Stroke is the No. 5 cause of death in the United States, killing nearly 130,000 people a year. That’s one in every 20 deaths, according to the ASA. But even if you survive a stroke, you are not even close to being out of the woods.
Want Better Devices? Send Your Engineers Into The OR
Before he was an “Outdoor Man” marketing sporting goods in the Rocky Mountains as the Last Man Standing, Tim (“The Tool Man”) Taylor did most of his work indoors — on a little show called Home Improvement. Fortunately for the often accident-prone know-it-all, he had a competent sidekick in the mild-mannered Al Borland, who often knew a better way to get things done properly.
Incorporating Accessibility Into Medical Device Design
When incorporating human factors into medical device development, conducting user testing and gathering feedback from the device’s target end users is critical. To do this properly, the end user groups must be appropriately defined.
WHITE PAPERS & CASE STUDIES
Turning To Integrated Driver Electronics For BLDCs
Despite advantages, brushless DC motors (BLDCs) have presented their own challenges in terms of technology, design, and capabilities. Typically, complex and bulky cabling has been required between motor and amplifier to attach discrete logic components “outside” the motor frame. With the latest advances in driver electronics that now can be integrated directly into brushless motor designs, BLDCs are evolving rapidly to become faster, smaller, more versatile, more controllable and more cost-effective.
Brushless motors have gained greater acceptance in industry for a wider range of applications previously dominated by brush commutated products. At the same time, manufacturers have further sought to challenge conventional wisdom by improving brushless motor design.
Motor designs have incorporated new components in new ways to help extend motor life, and new or improved materials have been tapped to promote motor quality and output. Current and future brush commutated DC motors continue to move in highly advanced directions.
A variety of active and passive approaches can be adopted to reduce electromagnetic interference (EMI) in systems that rely on precision motion control. The challenges are to maintain system integrity and DC motor performance without adding significant cost or weight to a subassembly.
The traditional method for mounting copper or silver graphite brushes in brush commutated DC motor and gearmotor assemblies has been to solder the brushes onto standard cantilever springs to enable the required constant contact with the commutator. However, this conventional spring design carries inherent drawbacks that can be overcome by housing the brushes within a specially designed cartridge and utilizing torsion springs to ensure desired even force over the life of a motor.
Noninvasive Optical Sensors Provide Real-Time Brain Monitoring After Stroke
Each year, nearly 800,000 people in the U.S. experience a stroke, and almost 90 percent of those are ischemic strokes in which a clot cuts off blood flow to part of the brain. To prevent further injury, blood flow to the brain must be restored as quickly as possible.
Embrace Becomes First FDA-Cleared Seizure-Monitoring Smart Watch
Empatica Inc has received clearance from the FDA for Embrace, its award-winning smart watch. Embrace uses AI (advanced machine learning) to monitor for the most dangerous kinds of seizures, known as "grand mal" or "generalized tonic-clonic" seizures, and send an alert to summon caregivers' help.
Researchers Create Fiber Optic Sensors That Dissolve In The Body
For the first time, researchers have fabricated sensing elements known as fiber Bragg gratings inside optical fibers designed to dissolve completely inside the body.
NUS Researchers Develop Wireless Light Switch For Targeted Cancer Therapy
A team of scientists from the National University of Singapore (NUS) has developed a way to wirelessly deliver light into deep regions of the body to activate light-sensitive drugs for photodynamic therapy (PDT).
TU Wien Develops New Semiconductor Processing Technology
Extremely fine porous structures with tiny holes - resembling a kind of sponge at nano level - can be generated in semiconductors.
Tyndall, Sanmina Partner To Develop Sub-GHz Wearable Health Monitoring Platform
Tyndall and Sanmina Corporation have announced a research collaboration, which will focus on the development of a novel wireless technology for a commercial wrist-worn health-monitoring platform.
An Organ-On-A-Chip Device That Models Heart Disease
When studying diseases or testing potential drug therapies, researchers usually turn to cultured cells on Petri dishes or experiments with lab animals, but recently, researchers have been developing a different approach: small, organ-on-a-chip devices that mimic the functions of human organs, serving as potentially cheaper and more effective tools.
Nanowire Device Holds Promise To Detect Cancer With A Urine Test
Cells communicate with each other through a number of different mechanisms. Some of these mechanisms are well-known: in animals, for example, predatory threats can drive the release of norepinephrine, a hormone that travels through the bloodstream and triggers heart and muscle cells to initiate a "fight-or-flight" response.
Developing The First Pediatric Heart Valve Designed To “Grow” With The Child
Each year 40,000 babies in the U.S. are born with a congenital heart defect, often caused by a defective heart valve, which is estimated to account for 8,000 to 13,000 new cases in the U.S. alone.
Mass Spectrometric Imaging Technique Makes Diagnosis Easier And Smarter
A team of researchers at DGIST has recently developed a technology which enables to acquire a high resolution mass spectrometry imaging in micrometer size of live biological samples without chemical pretreatment in the general atmospheric pressure environment.