May 2012

FEA Analysis of Medical Devices (Video 2 of 4)
Spinal Implant Screw

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Analysis of a spinal implant screw assembly involving surface contact with friction, weld elements, and large displacements and rotations.

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FEA Analysis of Medical Devices (Video 3 of 4)
Medical Press Fit

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A nonlinear static analysis of a medical implant. The analysis involves large displacements and rotations with a nonlinear material and surface contact. The analysis is highly challenging as the contact involves a large sliding...

FEA Analysis of Medical Devices (Video 4 of 4)
Dome Snap Through

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Plasticity and large displacements affect the buckling load and the buckled shape of dome structures. This nonlinear buckling simulation displays the stresses occurring throughout the structure as the snap through of a dome occurs.

The analytical techniques currently available to monitor chemical and biochemical production processes are difficult to apply in real time. Recent advances in solid-state...

Since the 1950s and John Charnley’s introduction of the low friction hip prosthesis, metal-on-polyethylene bearings have remained the gold standard in terms of the long-term...

The application of femtosecond laser systems for eye surgeries has been a tremendous success story, not only driven by developments in...

Products: Manufacturing & Prototyping
Rod Cutter

Teleflex Medical OEM (Kenosha, WI) has launched a high-performance rod cutter specifically designed to handle extremely strong cobalt chromium (CoCr) and titanium rods. Performance tests indicate the durable rod cutter can cut...

Products: Semiconductors & ICs
Laser/LED Switch

iC-Haus GmbH (Bodenheim, Germany) has introduced a spike-free laser/LED switch iC-hG, with six independent channels with 0.5 A apiece, which can be freely combined as required. One simple, integrated device in a QFN package...

Products: Photonics/Optics
Fluorescence Bandpass Filters

Edmund Optics (Barrington, NJ) has expanded their TECHSPEC® Fluorescence Bandpass Filters, suitable for fluorescence imaging applications. The filters feature greater than 93% transmission and greater than OD6...

Products: Electronics & Computers
Memory Device

Datakey Electronics (Savage, MN) has confirmed that its GammaSafe memory tokens survive e-beam sterilization with no data loss. The GammaSafe memory token also supports sterilization by ethylene oxide (EtO) gas, autoclave, or...

Products: Photonics/Optics
LED Fiber Optic Light Module

Excelitas Technologies (Waltham, MA) has announced the addition of the XLM Plus LED Fiber Optic Light Module with Electronics, suitable for integration into endoscopy, surgical microscopy, and headlamp...

Products: Electronics & Computers
Imaging Solutions

A range of ultra-high integrity hermetic seals and feedthroughs from Douglas Electrical Components (Randolph, NJ) provides solutions for passing signals into and out of sealed X-ray tube enclosures. These products are...

Products: Mechanical & Fluid Systems
Anti-Vibration Grommets

Keystone Electronics (Astoria, NY) has developed a series of anti-vibration grommets engineered for electrical insulation, mechanical damping, and noise suppression in office or lab equipment. The devices feature...

Products: Imaging
Analog Switches

Supertex (Sunnyvale, CA) has introduced two high-voltage, 32-channel analog switches: HV2801 and HV2901. Both ICs offer robust latch up protection and quiescent current of less than 10 μA, producing optical efficiency in...

Products: Materials
Wound Care Adhesives

Adhesives Research (Glen Rock, PA) offers non-silicone, low-trauma PSA technology that mimics the gentle properties of silicone adhesive platforms with the added benefit of offering aggressive, intimate skin contact with virtually painless and residue-free removal. Unlike some silicones, this technology also exhibits good...

Bell-shaped rubber mountings from Advanced Antivibration Components (New Hyde Park, NY) are designed to dampen shock and vibration for loads up to 887 kgf (1956 lbf). The mountings are made from a combination of...

Products: Motion Control
Frameless Motor Kits

Applimotion (Loomis, CA) offers ULT, UTH, UTS, and UTO frameless motor kits that cover a wide range of applications, including robots, inspection platforms, medical diagnostic machines, and imaging systems. With...

Products: Motion Control
2-Way Proportional Valve

Clippard Instrument Laboratory (Cin - cinnati, OH) has introduced a high-flow stepper-controlled 2-way proportional valve that features 2% hysteresis, excellent linearity (2.5% of full scale), and 2 ms reaction time....

Products: Electronics & Computers
Interconnect Solutions

Molex Incorporated (Lisle, IL) offers the MediSpec™ portfolio of products, designed to support medical device manufacturers engineering for diagnostic imaging, therapeutic, surgical, patient monitoring, hospital,...

Products: Photonics/Optics
Composite Cables and Assemblies

The Specialty Photonics Division of OFS Fitel (Avon, CT) has introduced a new composite cable and composite cable assembly product line that offers custom configurations of multiple metal and optical fiber...

Products: Robotics, Automation & Control
High Flex Silicone Cables

Cicoil (Valencia, CA) offers highly flexible and durable flat silicone cables that are designed for use on surgical robotics systems. The cables are naturally more flexible than round PVC or stiffer flat PTFE...

Products: Sensors/Data Acquisition
Magnetic Rotary Sensors

ASM Sensors (Elmhurst, IL) offers the extension of the POSIROT® family of magnetic rotary sensors, the PRAS20/PRAS21 series for use in the medical equipment industry. The noncontact position sensor uses an external...

Chronic conditions and long term illnesses account for a large percentage of patient visits to emergency rooms, hospital visits, rehospitalizations, and...

A young engineer recently recounted that his Senior Design professor would frequently repeat this mantra: “A good engineer designs to spec, to budget, and to deadline.”


Briefs: Nanotechnology
Magnetic Responsive Hydrogel Material Delivery System

Interest in the design of new drug delivery systems focuses on releasing the drug at a controlled rate and desired time. Magnetic nanoparticles (MNPs) have shown great potential for use in biomedicine due to their ability to get close to biological entities such as cells, viruses, proteins,...

Briefs: Robotics, Automation & Control
Compact Green Disk Laser for Therapy Systems

The JenLas® 5/8 W, recently introduced to the U.S. market, offers an output power of up to 8 Watts. Lasers of the JenLas D2 product line work in continuous wave mode, emitting green laser...

Briefs: Medical
Implantable Prosthetic Interface Securely Integrates With Bone and Soft Tissue

A main limitation in deployment of prosthetic technology is the integration of the prosthetic device into the body. Using current procedures, effective prosthetic integration often requires 18 months and multiple surgeries. A new technique involves merging tissue...

Physical space constraints continue to impact advanced procedures such as single-incision laparoscopic surgery, robotic-assisted surgery, and other minimally invasive surgical procedures....

Radio-frequency technology that uses human tissue instead of air as a conduit for radio waves is the basis of the first electronic “tag” system designed to track and monitor...

Global Innovations: Manufacturing & Prototyping
3D Printer With Nano-Precision
Vienna University of Technology, Vienna, Austria

Printing three-dimensional objects with incredibly fine details is now possible using “two-photon...

Three days a week, Dr. Grady Rylander treats patients at the Eye Institute of Austin, a private practice he joined 34 years ago after graduating from The University of...

Sudden Cardiac Arrest (SCA) is a leading cause of death in the United States, accounting for an estimated 300,000 deaths each year — more than lung cancer, breast cancer, and HIV/AIDS...

News: Imaging
Correcting Aberrations in 3D Tissue Imaging

University of Illinois researchers have developed a technique to computationally correct for aberrations in optical tomography, which could provide faster, less expensive, higher-resolution tissue imaging to a broader population of users. Real-time, 3D microscopic tissue imaging may be useful for...

Self-Assembling 3D Nanostructures

Building a box on the macroscale is relatively straightforward, but it is much more challenging at smaller micro and nanometer length scales. 3D structures are too small to be assembled by any machine and they must be guided to assemble on their own. Interdisciplinary research by engineers at Johns Hopkins...

Seeing Beyond the Visual Cortex

"Blindsight is a condition that some patients experience after having damage to the primary visual cortex in the back of their brains. What happens in these patients is they go cortically blind, yet they can still discriminate visual information, albeit without any awareness." explains Tony Ro, a neuroscientist at...

Neustristor: The Computer Chip-Shaped Neutron Source

Sandia National Laboratories distinguished technical staff member Juan Elizondo-Decanini developed a new configuration for neutron generators by turning from conventional cylindrical tubes to the flat geometry of computer chips. The Neutristor is an ultra-compact, disposable, neutron...

Smart, Self-Healing Hydrogel

Bioengineers from the Jacobs School of Engineering at University of California, San Diego have developed a self-healing hydrogel that binds in seconds - as easily as Velcro - and forms a bond strong enough to withstand repeated stretching. The material has many potential applications, including medical sutures,...

Videos: Data Acquisition
Decoding the Heart

Zeeshan Syed, assistant professor in the University of Michigan Department of Electrical Engineering and Computer Science, has led the discovery of subtle but potentially life-saving signals hidden in heart attack patients' EKG histories. The findings could save thousands of lives every year.

Video: Sensors/Data Acquisition
Nerve Agent Detection Sensor

Jinsang Kim, an associate professor at University of Michigan, was inspired by his own land mine detector and developed a nerve agent detection sensor that only requires the naked eye to observe the presence of dangerous nerve gas.

Videos: Lighting
Improving Nanogenerators

In Zhong Lin Wang's laboratory at Georgia Tech, a blinking LCD signals the success of a five-year effort to power conventional electronic devices using nanoscale generators that harvest mechanical energy from the environment.

Seaweed: Potential Source of New Antimalarial Drug?

Julia Kubanek, an associate professor in the Georgia Tech School of Biology, describes research into antifungal compounds found on the surfaces of tropical seaweed collected in the Fiji Islands. The compounds may have possible applications for treating malaria.

Radar Shows Promise for Detecting Concussion

By asking an individual to walk a short distance in front of a radar system while saying the months of the year in reverse order, researchers at the Georgia Tech Research Institute can determine if that person is impaired and possibly suffering from a concussion. This simple test, which could be...

Touchscreen Braille Writer

Each summer at Stanford University, the Army High-Performance Computing Research Center (AHPCRC) invites a select group of undergraduates from across the country to gather for a two-month immersion into advanced computing. New Mexico State University student Adam Duran worked with mentors Adrian Lew, an assistant...

Modeling Protein Folding

Proteins control nearly all of life's functions, but how they self-assemble - or fold - is an unsolved problem in biology. Understanding how folding goes awry could lead to cures for diseases caused by protein misfolding, like Alzheimer's and Parkinson's. Stanford University chemistry Professor Vijay Pande's project...

Tiny Device Swims Through the Bloodstream

Stanford electrical engineers have created a tiny wireless chip - driven by magnetic currents - that's small enough to travel inside the human body. They hope it will someday be used for a wide range of biomedical applications, from delivering drugs to cleaning arteries.

Videos: Imaging
FMRI Fights Depression

Using fMRI brain imaging and a video game, Stanford University researchers teach girls at risk of depression how to train their brains away from negative situations. The results show a promising new strategy to prevent the onset of depression – one that researchers hope to eventually apply to anyone at risk of suffering...

News: Photonics/Optics
What's Ahead for Microsurgery?

Tabletop femtosecond lasers are already used in eye surgery, but researchers believe that they may be the future of microsurgery, offering benefits in applications inside the body, ranging from repairing the vocal cords to removing small tumors in the spinal cord or other tissues. Scientists at the University of...

Wrist Sensor Could Gauge Severity of Epileptic Seizures

A simple, unobtrusive wrist sensor could gauge the severity of epileptic seizures as accurately as electroencephalograms (EEGs) do — but without the ungainly scalp electrodes and electrical leads. The device could make it possible to collect clinically useful data from epilepsy patients...

Liquid Security Screening Technology

A next-generation bottled liquid scanner from Los Alamos National Laboratory called MagViz BLS is demonstrated at the Albuquerque International Sunport, New Mexico.

Artificial Retina Technology

Researchers at Lawrence Livermore National Laboratory are developing an implantable system for a third-generation artificial retina as part of a U.S. Department of Energy project to produce an "retinal prosthesis" that could restore vision to millions of people suffering from eye diseases.

Video: Imaging
Miniature, Wearable PET Scanner

Scientists from Brookhaven National Laboratory, Stony Brook University, and other collaborators have demonstrated the efficacy of a wearable, portable PET scanner they've developed for rats. The device will give neuroscientists a new tool for simultaneously studying brain function and behavior in fully awake,...

Real-Time 3D Imaging

Ames Laboratory scientist Song Zhang explains his real-time 3D imaging technology. The technique can be used to create high-resolution, real-time, precise, 3D images for use in healthcare, security, and entertainment applications.

BrailleTouch Helps Visually Impaired Users

A team from Georgia Tech, led by Post Doctorate Fellow Mario Romero of the School of Interactive Computing, has designed BrailleTouch for touchscreen mobile devices. The prototype app allows visually impaired people to easily type and opens the door for everyone to text or type without looking at the...

Powder Atomization Technologies

At the Ames Laboratory, the same atomization effect seen in a fuel injector is being applied to titanium metal resulting in fine titanium powders that are less than half the width of a human hair. Titanium melts above 3000°F and is highly corrosive - requiring specialized containers. The liquid titanium is poured...

News: Software
Patient-Specific Simulations Predict Blood Clotting

Access to patient-specific information is key to delivering more personalized treatment. A team of biomedical engineers and hematologists at the University of Pennsylvania has conducted large-scale, patient-specific simulations of blood function under the flow conditions found in blood vessels,...

Idea to IDE: A Medical Device in the Making

Most medical device inventions start out as a single great idea, but how does that idea become a marketed medical device? This video provides a brief overview of how a medical device, which can range from a contact lens to a knee implant to an MRI machine, begins with an idea and ends with its...

The Huber Needle Story

This video shows how the FDA solved a complex problem involving Huber needles, based on scientific investigations conducted by FDA's Office of Science and Engineering Labs.

Reagent Selection Methodology for an Explosives Detection Platform

Dr. Marvin Warner, a research scientist at Pacific Northwest National Laboratory, has been researching the individual pieces of antibodies to set up a chemical reaction that will give off light just by mixing reagents together with a sample that contains an explosive...

Optical Sensing Device for Blood Platelets

Researchers at Pacific Northwest National Laboratory helped the Seattle-based company Blood Cell Storage develop an innovative optical sensing device designed to measure the pH of platelet products without compromising blood storage bags. The florescence sensor integrated with a platelet storage bag...

New Breathalyzer Reveals Signs of Disease

With support from the National Science Foundation, Professor Perena Gouma and her team at New York's Stony Brook University have developed a sensor chip coated with nanowires that is able to detect minute amounts of chemical compounds in the breath. The Single Breath Disease Diagnostics Breathalyzer,...

Instrument Studies Live Cell Responses in Real Time

Researchers from Pacific Northwest National Laboratory and the company Simplex Scientific have collaborated to develop a first-of-its-kind instrument that allows the study of live cell responses to physical, chemical, or biological stimuli in real time - solving an important research problem...

Computer ESP?

With help from the National Science Foundation, researchers at Carnegie Mellon University are designing computer programs that can decode brain activity and reveal what people are thinking about.

Innovative Medical Silk

The human body reacts well to silk, which is part of the reason why Tufts University researchers - funded by the National Science Foundation - are thinking of medical applications for it. See some of the possibilities they're exploring in this video.

Personal Mobility and Manipulation Appliance

A new robotic wheelchair developed at the National Science Foundation is giving disabled people much more independence. The Personal Mobility and Manipulation Appliance, or PerMMA, is equipped with arms controlled by a joystick and an online assistant. It's enabling people to do small things, while...

Finding A Remedy for Cybersickness

Cybersickness is a form of motion sickness that occurs in virtual reality environments. It's the same type of feeling some people get when they watch 3D movies or play 3D video games. With help from the National Science Foundation, researchers are tracking down the cause and may come up with a remedy.

Smart Fibers

Clothes that could heat, cool, compute, and even monitor our health are explored. With help from the National Science foundation, a research team at MIT embeds semiconductors, insulators, and metal in a polymer.

Better Understanding Proteins - In 3D

Proteins are the workhorses of cells. With support from the National Science Foundation, University of Arkansas biochemist James Hinton has been researching their structure and function for decades. In the 1990's, he had a vision to study these huge protein structures in 3D and now - in cooperation with the...

Snake-Inspired Robots Ideal for Surgery

Researchers at Carnegie Melon University have developed snake-inspired robots to locate survivors in disaster situations, with help from the National Science Foundation. The team is also working on snake-like surgical devices that are ideal for complicated heart surgeries.

Trapping Blood Clots to Treat Stroke

Strokes are primarily caused by blood clots in the blood vessels of the brain. A National Science Foundation-funded technology developed by Sacramento, CA-based company Insera Therapeutics is designed to efficiently trap and remove these clots - even in some of the tiniest blood vessels.

Mind-Reading Computer System May Help People with Locked-In Syndrome

An estimated 50,000 Americans suffer from locked-in syndrome, a condition in which people with normal cognitive brain activity suffer severe paralysis, often from injuries or an illness such as Lou Gehrig's disease. Boston University neuroscientist Frank Guenther works with the...

Breakthrough in Early Cancer Detection

With few early symptoms, ovarian cancer — like many cancers — can be hard to detect without invasive and expensive procedures. "Early detection is absolutely not only key but probably the only way for us to win the war on cancer," says Vadim Backman, who is a biomedical engineer at Northwestern...

Engineering Safer Drinking Water in Africa

For approximately 200 million people, many in Africa, high levels of naturally occurring fluoride in drinking water cause disfiguring and debilitating dental and skeletal disease. University of Oklahoma (OU) environmental scientist Laura Brunson returned from Ethiopia where, with support from the...

Electronic Tattoo Monitors Brain, Heart, and Muscles

John Rogers and his team at the University of Illinois, Champaign-Urbana have come up with a way to monitor the body electronically that really sticks. They have developed a small, flexible circuit device that sticks comfortably to the skin and is camouflaged as a temporary tattoo. It can read...

Bionic Leg Allows Amputee To Walk Faster

With support from the National Science Foundation and continued support from the National Institutes of Health, Vanderbilt University mechanical engineer Michael Goldfarb has spent several years developing a state-of-the-art prosthetic leg with powered knee and ankle joint, which operates with special...

Hydrogels Collapse Into Complex Shapes for Drug Delivery

In recent years, researchers have investigated hydrogels' potential in drug delivery, engineering them into drug-carrying vehicles that rupture when exposed to certain environmental stimuli. However, it's difficult to predict just how hydrogels will rupture, and up until now it's been...

News: Manufacturing & Prototyping
Wireless Energy-Transfer Device Developed for a Tiny Heart Pump

A team of Rice University students has developed a transcutaneous energy-transfer (TET) unit to power a minimally invasive ventricular assist device (VAD) being created by a Houston compay. The VAD is a tiny pump inserted into the aorta via a catheter that helps increase blood flow...

News: Medical
Technology Eases Migraine Pain in the Deep Brain

Migraine pain sits at the upper end of the typical pain scale – an angry-red section often labeled “severe.” At this intensity, pain is debilitating. Yet many sufferers do not get relief from – or cannot tolerate – over-the-counter and commonly prescribed pain medications. Recently, a...

News: Robotics, Automation & Control
Research 'Sprints' to a Scalpel-Free Future

Could the demise of the scalpel be close at hand? Researchers in Europe are developing innovative micro-robotics technology could make surgeries less complicated, invasive, and costly — benefiting surgeons and patients alike.

Ask the Expert

Eric Dietsch on the Benefits of Nitinol Wire

In collaboration with the Fort Wayne Metals Engineering team, Eric Dietsch focuses on supporting customers with material recommendations, product development, and education. Eric is available to help you and your company with any Nitinol-related questions or needs that you may have.

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