Tech Briefs

Briefs : Manufacturing & Prototyping
Utilizing Machine Vision Engines for Advanced Quality Control and Object Detection

Incorporating machine vision engines into an OEM system with automated handling provides a wide range of benefits to the manufacturer. Machine vision engines are self-contained vision systems that include the optics, lighting, image sensor, electronics, and...

Briefs : Electronics & Computers
Experimental Walking Assist Device With Body Weight Support System

An experimental walking assist device has been developed to help support body weight and reduce the load on the user’s legs while walking, going up and down stairs, and in a semi-crouching position. The device reduces the load on leg muscles and joints (in the hip, knees, and...

Briefs : Medical
Wearable, Artificially Intelligent, Bionic Device

eLEGS is a wearable, artificially intelligent, bionic device that enables people with paralysis to stand up and walk again. The exoskeleton is battery-powered and rechargeable, fitting comfortably and securely over clothing.

Briefs : Sensors/Data Acquisition
Miniature Atom-Based Magnetic Sensor

Researchers from the National Institute of Standards and Technology (NIST) and the German national metrology institute have used a miniature atom-based magnetic sensor to successfully track a human heartbeat, confirming the device’s potential for biomedical applications.

Briefs : Medical
Epiretinal Prosthesis Surgically Implanted in the Eye

In a healthy eye, the photoreceptors (rods and cones) on the retina convert light into tiny electrochemical impulses that are sent through the optic nerve and into the brain, where they are decoded into images. If the photoreceptors no longer function correctly — due to conditions such as...

Briefs : Medical
Biosensing Technology Offers Advanced Diagnostic Capabilities

Electronic biosensing technology could someday displace the multi-welled microplate, long a standard tool in biomedical research and diagnostic laboratories. Essentially arrays of tiny test tubes, microplates have been used for decades to simultaneously test multiple samples for their...

Briefs : Manufacturing & Prototyping
Die Extrusion Technology for Medical Tubing Applications

Although the concept of nanotechnology (controlling matter on an atomic scale) dates back to 1959, it is only now becoming more commercially realized. It has the potential to challenge the way all products are extruded in almost every type of medical tubular or related industrial product...

Briefs : Software
Blood Pressure Monitoring Tool

The MDMouse system incorporates a pre-existing medical device into a conventional computer control mouse. The tool is designed to measure blood pressure outside of the medical environment, and to provide that information for use by individuals, clinical evaluation companies (CROs), healthcare providers, and...

Briefs : Medical
Laser Sintering for Customized Medical Applications

Engineers have long been aware of the potential of laser sintering to create innovative and beneficial medical products. Because it is an additive (layer-by-layer) manufacturing process, laser sintering can build parts free of the traditional constraints imposed by machining or...

Briefs : Medical
Cubic-Millimeter Energy-Autonomous Wireless Intraocular Pressure Monitor

A prototype implantable eye pressure monitor for glaucoma patients is believed to contain the first complete millimeter-scale computing system. The pressure monitor is designed to be implanted in the eye to conveniently and continuously track the progress of glaucoma, a...

Briefs : Manufacturing & Prototyping
Single, Stationary Lens Able to Create Microscopic 3D Images

A lens that enables microscopic objects to be seen from nine different angles at once to create a 3D image has been developed. Other 3D microscopes use multiple lenses or cameras that move around an object; the new lens is the first single, stationary lens to create microscopic 3D...

Briefs : Medical
Design Considerations for Battery Connectors
Design Considerations for Battery Connectors

The future of batteries, like that of so many medical devices they power, is clearly toward smaller, lighter, and more powerful models. Developing concurrently with these new battery designs are...

Design Considerations for Battery Connectors
Briefs : Photonics/Optics
Method of Reducing Stray Energy Burns in Laparoscopic Surgery

Any surgery brings with it risk, both to the patient and the surgeon. However, laparoscopic surgery sometimes brings an additional invisible risk: stray energy burns. Electrosurgical devices and laparoscopic instruments can suffer insulation failures and capacitive coupling,...

Briefs : Medical
Ultra-Miniature Image Sensor

Minimally invasive surgery has increasingly required imaging devices to have the smallest possible dimensions but also deliver high-resolution vision capabilities. There has also been a rising demand for disposable medical devices. With these criteria in mind, in 2004, the first prototype of the NanEye sensor was...

Briefs : Software
Motion Artifact Extraction Technology for Non-Invasive Blood Pressure Measurement

Non-Invasive Blood Pressure (NIBP) is a widely used vital sign for cardiovascular assessment. Vital signs monitors obtain a non-invasive blood pressure measurement through the use of commercially available OEM blood pressure modules incorporated into their devices....

Briefs : Medical
Corneal Endothelium Delivery Instrument

Corneal endothelial failure is a common cause of corneal transplants. According to the Eye Bank Association of America, transplant tissue distributed for endothelial keratoplasty accounted for 18,221 (43%) of all keratoplasties performed in the US during 2009. Fuchs dystrophy, “other” causes, and...

Briefs : Medical
Software for Image Contrast Enhancement

Whenever images are acquired with a large dynamic range, a problem arises in reproducing these images on a medium (i.e. CRT, paper). There are the restrictions of the recording apparatus (number of reproducible intensity levels, color gamut, and color resolution) as well as environmental factors (flare,...

Briefs : Medical
Highly Sensitive Micro Fluorescence Detector for Bioanalytical Devices

An advanced micro fluorescence detector (microFD) uses a hydrogenated amorphous silicon (a-Si:H) photodiode for high sensitivity biochemical analyses in micro-capillary electrophoresis (microCE) applications, representing an advancement in the field of portable microfluidic...

Briefs : Medical
Medical Tube Securing Device

The Burn Center, located in the Brooke Army Medical Center, receives approximately 300 burn patients each year. Often, these patients have problems breathing on their own due to scorched esophagi, damaged airways due to smoke inhalation, or organ failures.

Briefs : Medical
CMOS-Based X-Ray Panel Focuses on Low-Dose Applications

In all domains of medical and scientific X-ray imaging, the replacement of film and analog video imaging techniques with a fully digital workflow is underway. The Xineos X-ray panel X-ray CMOS technology delivers three times more sensitivity and five times more signal-to-noise performance...

Briefs : Medical
Biomedical Textile Material Selection and Performance Considerations in Device Design

Biomedical textile structures incorporate a wide array of biocompatible materials, including advanced polymers and metals in a range of sizes and thicknesses with varying material characteristics and performance properties. Promising substrates, now in...

Briefs : Medical
SCAFTEX® Non-Woven Bio-Textile for Implantable Devices

Classic tissue engineering utilizes absorbable non-woven biomedical textiles from a variety of fibers to aid in cell growth and proliferation, and medical device companies rely on these materials for implantable devices that must degrade over time. Non-woven bio-textiles such as SCAFTEX®...

Briefs : Medical
Stereotactic System for Localizing Intracranial Targets

The CRW® stereotactic system, first released in 1988, was recently updated to focus on decreasing the steps to assemble the system while maintaining ±0.5 mm accuracy. This multi-purpose system is useful for localizing intracranial targets for precisely directing instruments. It is...

Briefs : Medical
Microwave Tissue Soldering for Immediate Wound Closure

A novel approach for the immediate sealing of traumatic wounds is under development. A portable microwave generator and handheld antenna are used to seal wounds, binding the edges of the wound together using a biodegradable protein sealant or “solder.” This method could be used for...

Briefs : Medical
CyberKnife® Robotic Radiosurgery System Offers Precise, Customizable Care

In the field of radiation oncology, the CyberKnife® Robotic Radiosurgery System is capable of delivering high doses of radiation with submillimeter accuracy anywhere in the body. The newest addition to the CyberKnife® product line, the CyberKnife® VSITM System,...

Briefs : Medical
3D Constrained Surface Controller for Medical Imaging

To make diagnoses from imaging technologies such as computerized tomography (CT) and magnetic resonance imaging (MRI), radiologists use 2D image planes that slice through these data at a variety of angles to obtain the most clinically informative view. However, current approaches used to...

Briefs : Medical
Positioning Technology for Digital Displays on Mobile Medical Equipment

As hospitals and surgical centers add more portable medical equipment, the precision and positioning of digital displays become critical to staff efficiency, comfort, and health. Dispensing quality healthcare depends on providers having easy access to the right tools and...

Briefs : Medical
Implantable Contact System for Medical Pulse Generation Devices

An integrated seal and electrical contact system for medical implantable pulse generators (IPGs) has been engineered to help large and small OEMs accelerate the development process, reduce device volume, and improve functionality.

Briefs : Medical
Dynamic Optical Phantom of a Living Body and Method for Producing It

An optical phantom enables dynamic changes in the physiological state of muscles, the brain, and blood flow to be measured. The medical diagnostic and treatment equipment that utilizes light is usually applied in order to establish the location of diseased tissue regions,...

Briefs : Materials
Self-Assembling Hydrophobin Useful for Coating Surfaces

This technology provides isolated polynucleotides comprising a nucleotide sequence encoding a mature thermophillic hydrophobin polypeptide suitable for a recombinant DNA technology production process. This compound self-assembles at interfaces and is applicable to a broad variety of...

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