Tech Briefs

Briefs : Medical
Silk Microneedles Deliver Controlled-Release Drugs Painlessly

Bioengineers have developed a new silk-based microneedle system able to deliver precise amounts of drugs over time and without need for refrigeration. The tiny needles can be fabricated under normal temperature and pressure and from water, so they can be loaded with sensitive...

Briefs : Medical
Portable Intravenous Fluid Production Device for Ground Use

There are several medical conditions that require intravenous (IV) fluids. Limitations of mass, volume, storage space, shelf-life, transportation, and local resources can restrict the availability of such important fluids. These limitations are expected in long-duration space...

Briefs : Medical
Development of a Low-Cost, Portable Biosensor for Blood Protein Detection

Current blood testing procedures are expensive and time consuming, and the equipment required is often bulky and difficult to transport. A new low-cost, portable technique has been developed to quickly and reliably detect specific proteins in a sample of human blood. The...

Briefs : Medical
Non-Invasive Instrument for Skin Cancer Screening
Non-Invasive Instrument for Skin Cancer Screening

Skin cancer is the most common form of cancer in humans, with annual rates continuing to climb from their current estimate of just over three million new cases each year. Although all skin...

Non-Invasive Instrument for Skin Cancer Screening
Briefs : Software
Benefits of Using Rigorously Tested Routines From Numerical Libraries

This technology helps technical application developers incorporate mathematical and statistical functionality in their applications, while providing the documentation needed for software validation.

Briefs : Manufacturing & Prototyping
Leak-Free Connection for Blood Pressure Monitoring Applications

For precise blood pressure monitoring in hospitals and surgeries, the accurate handling of medical devices is paramount. Human error or device failure can result in inaccurate readings, which compromise the safety of patients, and it is critical, therefore, that device components,...

Briefs : Medical
Mini-Sensor Measures Magnetic Activity in Human Brain

A miniature atom-based magnetic sensor has passed an important research milestone by successfully measuring human brain activity. Experiments verified the sensor's potential for biomedical applications such as studying mental processes and advancing the understanding of neurological...

Briefs : Imaging
Hands-Free Transcranial Color Doppler Probe

Current transcranial color Doppler (TCD) transducer probes are bulky and difficult to move in tiny increments to search and optimize TCD signals. This invention provides miniature motions of a TCD transducer probe to optimize TCD signals.

Briefs : Manufacturing & Prototyping
Cloud-Based Product Lifecycle Management for the Medical Industry

The medical industry stands to benefit immensely from cloud-based product lifecycle management (PLM). The mountains of information that medical companies must manage when bringing a new product to market are truly massive. Every aspect of the product — and every change made to...

Briefs : Motion Control
High-Accuracy Closed Loop Force Feedback

Hand-driven press assemblies, which require a specific amount of force applied for a given amount of time, present challenges when attempting to accurately measure or replicate results in production or quality control processes. In contrast, servo-driven digital presses are able to provide accurate,...

Briefs : Sensors/Data Acquisition
Ultra-Sensitive Biosensor for Medical Diagnostics

Researchers have created an ultrasensitive biosensor that could open up new opportunities for early detection of cancer and “personalized medicine” tailored to the specific biochemistry of individual patients. The device, which could be several hundred times more sensitive than other...

Briefs : Medical
Beat-to-Beat Blood Pressure Monitor

This device provides non-invasive beat-to-beat blood pressure measurements and can be worn over the upper arm for prolonged durations. Phase and waveform analyses are performed on filtered proximal and distal photoplethysmographic (PPG) waveforms obtained from the brachial artery. The phase analysis is used...

Briefs : Materials
Bioabsorbable Material Textile for Improving In Vivo Device Design

A non-woven absorbable scaffold has been designed for implant devices in orthopedics, cardiology, and general surgery, as well as other in vivo applications. Where classic tissue engineering utilized non-woven textile structures as environments for cell growth, medical device...

Briefs : Sensors/Data Acquisition
Rotary Sensing Technologies for Medical and Robotic Shaft Angle Sensing Applications

Today’s sensor technologies for robotic and medical applications include many devices that have evolved from industrial applications. Because of this general migration, they are not ideally suited to the requirements in new robotic and medical products....

Briefs : Electronics & Computers
Functional Electrical Stimulation Technique May Improve Neural Implants

Electrical implants that shut down excessive activity in brain cells hold great potential for treating epilepsy and chronic pain. Likewise, devices that enhance neurons’ activity may help restore function to people with nerve damage.

Briefs : Medical
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 : Medical
Compact Green Disk Laser for Therapy Systems

The JenLas® D2.mini 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 light at 532 nm. The infrared laser light is converted into green laser light by an intracavity frequency...

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...

Briefs : Photonics/Optics
Light Source Enables Endoscope Miniaturization

Physical space constraints continue to impact advanced procedures such as single-incision laparoscopic surgery, robotic-assisted surgery, and other minimally invasive surgical procedures. Additional functionality and instruments are being squeezed through the smallest incisions possible. Available...

Briefs : Medical
Wireless Tags Quickly Provide Details About Orthopedic Implants

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 orthopedic implants. A 2009 RAND Corporation (Europe) technical report found that RFID technology offers...

Briefs : Medical
New Thermal Management Strategies for Medical Devices
New Thermal Management Strategies for Medical Devices

In an increasing number of medical device applications, thermal issues limit the overall performance and reliability of the system. Basic thermal management strategies such as liquid cold...

New Thermal Management Strategies for Medical Devices
Briefs : Medical
Improving Balance Function Using Low Levels of Electrical Stimulation of the Balance Organs

Crewmembers returning from long-duration space flight face significant challenges due to the microgravity-induced inappropriate adaptations in balance/sensorimotor function. The Neuroscience Laboratory at JSC is developing a method based on stochastic...

Briefs : Materials
Guidelines for Thermoplastic Color Control and Change Management

Color is an important factor in many aspects of medical devices, from design to how the device is used and by whom. In 2010, the FDA and regulatory bodies around the world increased their scrutiny of colors as additives in all materials and are paying special attention to the...

Briefs : Medical
SFDC/DHR Interface Systems Add Parametric Data to Support Medical Manufacturers

In this era of ever more stringent FDA oversight and regulations, the responsibility for vigilance falls on medical manufacturers and their manufacturing partners or customers. Those companies that support a “best practices” medical manufacturing environment...

Briefs : Medical
EyeBrain Tracker for Early Diagnosis and Monitoring of Neurological Disease

The EyeBrain Tracker (EBT) is an eyetracking medical device, which uses algorithms to accurately track eye movements for the diagnosis of Parkinson’s disease and multiple sclerosis. The brain uses many different areas to produce eye movements, so if an area of the...

Briefs : Sensors/Data Acquisition
Selecting Magnetic Reed Switches for Medical Devices

Miniaturization of medical devices offers tangible advantages to clinicians and patients alike. Smaller pill cams, for example, are more easily ingested. Likewise, smaller hearing aids are less invasive and therefore more comfortable for the wearer. But before either of these devices — and...

Briefs : Manufacturing & Prototyping
Mobile Video Collaboration Helps Engineers Solve Problems Remotely

The value chain for many medical device manufacturers is increasingly complex, with suppliers or internal factories located across the country or spread around the globe. Often, production line equipment problems, product design flaws, and quality issues occur in locations that...

Briefs : Medical
Nano Sponges for Drug Delivery and Medicinal Applications

This invention is a means of delivering a drug, or payload, to cells using non-covalent associations of the payload with nanoengineered scaffolds; specifically, functionalized single-walled carbon nanotubes (SWNTs) and their derivatives where the payload is effectively sequestered by the...

Briefs : Medical
Self-Locking Fastener Resists Vibration, Heat

Today, engineers are successfully attacking problems from vibrational loosening to joint fatigue with a self-locking fastener called Spiralock, whose effectiveness has been validated in published test studies at leading institutions including MIT, the Goddard Space Flight Center, and British...

Briefs : Photonics/Optics
Optical Manufacturing Guidelines for Medical OEMs

Custom integration of original equipment manufacturer (OEM) products can be complex, particularly for medical device integrators that build diagnostic instruments incorporating numerous optical components. Often, objective lenses, illumination sources, and imaging detectors are assembled and...

Free Product Samples

Tie Layer — Improved Catheter Construction

Zeus' new Tie Layer improves liner-to-jacket bond strength for a stronger and more consistently performing catheter. With bond strength increased by more than 2½x, Tie Layer reduces the risk of delamination while setting the stage for improved patient safety.

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Webcasts

Upcoming Webinars: Manufacturing & Prototyping

A Deep Dive into Metal 3D Printing

Upcoming Webinars: Test & Measurement

Solving Complex Measurement Problems with PXI

Upcoming Webinars: Photonics/Optics

NASA Discusses Advances in Photonics for Space and Commercial...

Upcoming Webinars: Robotics, Automation & Control

Using Portable Scenarios and Coverage Metrics to Ensure...

Upcoming Webinars: Robotics, Automation & Control

Impact of Autonomous and Electric Vehicles in New Product...

Upcoming Webinars: Sensors/Data Acquisition

Autonomous Vehicles Sensors: How to Ensure They Work Well and...