Products : Medical
Thermoplastic Elastomers

PolyMedex Discovery Group (Putnam, CT) offers NanoMedTM thermoplastic elastomer (TPE) formulations for minimally invasive medical devices. These formulations increase flexural modulus (stiffness) of polymers while maintaining flexibility, resulting in increased push and torque performance for catheter devices. The...

Products : Electronics & Computers
RF/EMI Shields

Photofabrication Engineering (Milford, MA) has introduced a line of EMI/RF shields with snap-on/snap-off covers, allowing access to components within the shields. The shields are designed to protect components from radio frequency/electromagnetic interference and environmental hazards, and to provide electrical grounding in...

Features : Software
Robotics Algorithms Provide Nutritional Guidelines

On July 5, 1997, a small robot emerged from its lander like an insect from an egg, crawling out onto the rocky surface of Mars. About the size of a child’s wagon, NASA’s Sojourner robot was the first successful rover mission to the Red Planet. For 83 Martian days, typically about 40 minutes...

Briefs : Materials
Tissuelike 3D Assemblies of Human Broncho-Epithelial Cells

Three-dimensional (3D) tissuelike assemblies (TLAs) of human bronchoepithelial (HBE) cells have been developed for use in in vitro research on infection of humans by respiratory viruses. The 2D monolayer HBE cell cultures heretofore used in such research lack the complex cell structures...

Briefs : Medical
Endotracheal Intubation Device with Built-in Stylet and Colormetric Indicator

An endotracheal intubation device is utilized by doctors and paramedics to mechanically create an airway and to ventilate an injured person. The most common ventilating practice in the paramedic industry today requires assembly of a three-piece system at the time when...

Products : Medical
Hydrophilic Filter Cartridges

PureFlo® PES Mini filter cartridges from JALT Technologies (Manassas, VA) are highly retentive hydrophilic polyethersulfone (PES) membrane filters in an all-polypropylene construction for chemical compatibility. The membrane does not require pre-wetting with IPA or flushing with DI water. They also reduce potential...

News : Materials
New Material Mimics Bone To Create Better Biomedical Implants

A "metal foam" developed by North Carolina State University researchers could mean a new generation of biomedical implants that would avoid bone rejection that often results from more rigid implant materials, such as titanium. The metal foam is lighter than solid aluminum and can be...

News : Medical
Artificial Foot Recycles Energy for Easier Walking

University of Michigan engineers have developed an artificial foot that recycles energy otherwise wasted in between steps, which could make it easier for amputees to walk. A typical prosthesis doesn't reproduce the force a living ankle exerts to push off of the ground. As a result, test subjects...

News : Photonics/Optics
"Nanobubbles" Locate and Kill Cancer Cells

Using lasers and nanoparticles, Rice University scientists have discovered a new technique for singling out individual diseased cells and destroying them with tiny explosions. The scientists used lasers to make "nanobubbles" by zapping gold nanoparticles inside cells. "Single- cell targeting is one of...

News : Materials
Self-Healing Hydrogel Offers Applications in Tissue Growth

Researchers at the University of Tokyo have created a hydrogel that is more than 50 times stronger than comparable squishy self-healing materials. The hydrogel is made up of 95 percent water, making it suitable for applications in the body; it could someday serve as scaffolding for new...

News : Medical
Magnetometer Detects Heart Conditions With Speed and Precision

University of Leeds scientists have developed a portable magnetometer that offers a new level of sensitivity to magnetic fluctuations useful for early detection of a number of conditions, including heart problems in fetuses.

News : Medical
Lab Chip Simulates Heart Muscle

Johns Hopkins University biomedical engineers, working with colleagues at Seoul National Laboratory in Korea, have produced a laboratory chip with nanoscopic grooves and ridges capable of growing cardiac tissue that more closely resembles natural heart muscle. The scientists say this chip could be used to design...

News : Photonics/Optics
On The Cutting Edge

Ophthalmic surgeons at Lackland Air Force Base in Texas are the first in the Defense Department to employ a state-of-the-art laser that will shorten recovery times for corneal transplantation. They are using a femtosecond laser to dissect human cornea tissue for cornea transplants or refractive surgery.

Briefs : Software
More-Realistic Digital Modeling of a Human Body

A MATLAB computer program has been written to enable improved (relative to an older program) modeling of a human body for purposes of designing space suits and other hardware with which an astronaut must interact. The older program implements a kinematic model based on traditional anthropometric...

Briefs : Medical
Engineering Devices to Treat Epilepsy

Many technologies have been proposed for treating epileptic seizures, with the ultimate goal being implantation of stimulators or drug infusion devices in the brain to abort seizures before clinical onset. Device designs range from “blind” stimulators to “intelligent” devices, which are triggered by...

Briefs : Materials
Advanced Liquid-Cooling Garment Using Highly Thermally Conductive Sheets

This design of the liquid-cooling garment for NASA spacesuits allows the suit to remove metabolic heat from the human body more effectively, thereby increasing comfort and performance while reducing system mass. The garment is also more flexible, with fewer restrictions on...

Briefs : Imaging
On-Demand Urine Analyzer

A lab-on-a-chip was developed that is capable of extracting biochemical indicators from urine samples and generating their surface-enhanced Raman spectra (SERS) so that the indicators can be quantified and identified. The development was motivated by the need to monitor and assess the effects of extended weightlessness,...

Briefs : Medical
GUI To Facilitate Research on Biological Damage From Radiation

A graphical-user-interface (GUI) computer program has been developed to facilitate research on the damage caused by highly energetic particles and photons impinging on living organisms. The program brings together, into one computational workspace, computer codes that have been...

Briefs : Medical
An Alternative Approach to Combination Vaccines

As the number of investigational and approved vaccines continues to increase, the frequency of vaccinations will soon reach a practical limit. The development of combination vaccines is a common practice that addresses the concern of repeated visits to the clinic by reducing the total number of...

Briefs : Sensors/Data Acquisition
Fluorogenic Cell-Based Biosensors for Monitoring Microbes

Fluorogenic cell-based sensor systems for detecting microbes (especially pathogenic ones) and some toxins and allergens are undergoing development. These systems harness the natural signal-transduction and amplification cascades that occur in mast cells upon activation with antigens....

Briefs : Medical
A Constant-Force Resistive Exercise Unit

A constant-force resistive exercise unit (CFREU) has been invented for use in both normal gravitational and microgravitational environments. In comparison with a typical conventional exercise machine, this CFREU weighs less and is less bulky: Whereas weight plates and associated bulky supporting...

Briefs : Medical
EPR Imaging at a Few Megahertz Using SQUID Detectors

An apparatus being developed for electron paramagnetic resonance (EPR) imaging operates in the resonance- frequency range of about 1 to 2 MHz — well below the microwave frequencies used in conventional EPR. Until now, in order to obtain sufficient signal-to-noise radios (SNRs) in...

Briefs : Medical
Reducing Field Distortion in Magnetic Resonance Imaging

A concept for a magnetic resonance imaging (MRI) system that would utilize a relatively weak magnetic field provides for several design features that differ significantly from the corresponding features of conventional MRI systems. Notable among these features are a magnetic- field...

Briefs : Medical
Vibrating Quartz Sensor Characterizes Liquid Samples

A novel analytical technology characterizes liquids for healthcare applications. As a drop of liquid evaporates on a vibrating quartz sensor, it undergoes distinctive phase changes representing the unique chemical and physical characteristics of the sample. This unique “fingerprint”...

Briefs : Medical
Paracellular Drug Delivery Through Baker’s Yeast Microcapsules

Oral mucosal drug delivery is an alternative method of systemic drug delivery that offers several advantages over both injectable and enteral methods. Since the oral mucosa is highly vascularised, drugs that are absorbed through the oral mucosa directly enter the systemic...

Briefs : Medical
Edge Phantom Measures Sharpness of X-Ray Detectors

Digital radiography makes use of Xray detectors that yield a radiographic image of the object or patient between the X-ray source and the detector. Tools have been developed to assess the image quality characteristics of radiation images. One tool is an edge phantom, placed between source and...

Features : Medical
Re-Learning Life: Rehabilitation Technologies are Key to Recovery

According to the National Institutes of Health (NIH), more than 700,000 people in the U.S. suffer a stroke each year, and approximately two-thirds of these individuals survive and require rehabilitation to re-learn skills that are lost when part of the brain is damaged. For...

Features : Materials
Silicone Solutions for Lubrication in Medical Applications

For over 50 years, silicones have been used extensively in the design and manufacture of medical devices intended for short- and long-term human implantation. Silicone’s overwhelming success in the healthcare arena is not only due to its proven bio-inertness, but also to silicone...

Features : Software
Hubble Software Manages Hospital Schedules

In 1985, a team of engineers at the Space Telescope Science Institute in Baltimore began developing software to manage various tasks for the Hubble Space Telescope. In the early phases of development, the complexity of scheduling different tasks became clear when the engineers realized Hubble’s power...

Features : Medical
Noninvasive Test Detects Cardiovascular Disease

For decades, NASA has been using advanced cameras to create images of the universe never before seen and then transmit these pictures back to Earth, where scientists then ask themselves, “What exactly are we looking at?”

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Bump or Tapered Tubing

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