Tech Briefs

Briefs : Electronics & Computers
Modular Electronic Air Sterilization Technology

Ultraviolet germicidal irradiation (UVGI) technologies are being used as infection control devices, primarily in healthcare facilities. No standard exists, but the dose of UV and the airflow are critical to ensuring all contaminated air is treated. The UVGI process is mainly influenced by the...

Briefs : Medical
Quantifying Therapeutic and Diagnostic Efficacy in 2D Microvascular Images

VESGEN is a newly automated, userinteractive program that maps and quantifies the effects of vascular therapeutics and regulators on microvascular form and function. VESGEN analyzes two-dimensional, black and white vascular images by measuring important vessel morphology...

Briefs : Medical
Microwave Sterilization and Depyrogenation System

A fully functional, microgravity-compatible microwave sterilization and depyrogenation system (MSDS) prototype was developed that is capable of producing medical-grade water (MGW) without expendable supplies, using NASA potable water that currently is available aboard the International Space...

Briefs : Medical
Reliability and Validity of a Prototype Fluid Intake Monitor

Maintaining adequate hydration is an important part of maintaining health, especially under extreme operational and environmental conditions where medical assistance might not be readily available. One approach to measuring the amount of fluid consumed is through the use of Fluid...

Briefs : Software
A Finite-Element Model for Evaluation of Middle Ear Mechanics

In conductive hearing loss cases, 59% involve defects of the incus. For efficient restoration of hearing, the defective incus is normally removed and the mechanical link between the eardrum and inner ear is reconstructed. In cases of incus defects, the reconstruction is normally of...

Briefs : Photonics/Optics
Computer-Assisted Laser Treatment Using Real-Time Retinal Tracking

Diabetic retinopathy resulting from long-term diabetes mellitus is one of the common diseases that leads to choroidal neovascularization (CNV), a leading cause of blindness. Among the currently available treatment methods, a laser can be used to photocoagulate the diseased areas....

Briefs : Medical
Medical Information Network Decision Support System

In order to facilitate a more rapid and systematic transfer of new medical knowledge and capabilities into mainstream clinical practice, a new Medical Information Network Decision Support (MINDS) system was developed. This system is intended to be a platform for storing and fusing medical data...

Briefs : Software
Quantifying Therapeutic and Diagnostic Efficacy in 2D Microvascular Images

VESGEN is a newly automated, user- interactive program that maps and quantifies the effects of vascular therapeutics and regulators on microvascular form and function. VESGEN analyzes two- dimensional, black and white vascular images by measuring important vessel...

Briefs : Medical
Micro-Organ Devices

Micro-organ devices (MODs) are being developed to satisfy an emerging need for small, lightweight, reproducible, biological-experimentation apparatuses that are amenable to automated operation and that impose minimal demands for resources (principally, power and fluids). MODs are intended to overcome major disadvantages of...

Briefs : Medical
Mulifunctional Electrosurgical Instrument

The Multifunctional Electrosurgic Instrument (LESDIC) is an electrocauterizing surgical device that is comprised of a serrated chisel tip for sharp, blunt, or cutting dissection. It is also equipped with suctioning, irrigation, and coagulation features. The suction can be controlled at variable speeds...

Briefs : Sensors/Data Acquisition
Sensory Feedback System for Prosthetic Hand Using Interferential Current

A new type of sensory feedback system for a myoelectrically controlled biomimetic prosthetic hand was developed. One of the characteristic features of the human neuromuscular control system is the increase in the compliance around a joint with decreasing activity of a...

Briefs : Medical
Remote Diagnostic Technology for Hearing Assessment

Individuals with hearing loss need to have ready access to hearing screenings, assessments, treatment, and consultation. This diagnostic technology facilitates early detection and intervention of hearing loss. It allows for improved monitoring and expands service scope, reach, and access. By...

Briefs : Medical
Three-Dimensional Near-Infrared Imaging of Pathophysiological Changes Within the Breast

This project aims to improve the estimation of functional properties of breast tissue in near infrared (NIR) imaging. This imaging technique (also known as diffuse optical tomography (DOT)) is noninvasive and non-ionizing, and can be routinely used to...

Briefs : Medical
Software Corrects for Inhomogeneities in Digital Radiographic Images

When radiographic images are recorded, they are subject to inhomogeneities due to the construction of the radiation source and to the properties of the detection medium (detector or screen). As a result, erroneous results may appear when the digital images are processed to...

Briefs : Electronics & Computers
Nano-Pervaporation Membrane With Heat Exchanger Generates Medical-Grade Water

A nanoporous membrane is used for the pervaporation process in which potable water is maintained, at atmospheric pressure, on the feed side of the membrane. The water enters the non- pervaporation (NPV) membrane device where it is separated into two streams —...

Briefs : Electronics & Computers
Wireless Brain Implant Using a Telemetric Electrode Array System
Wireless Brain Implant Using a Telemetric Electrode Array System

The ability to monitor the activities of ensembles of single neurons is critically important in understanding the principles of information processing in the brain that...

Wireless Brain Implant Using a Telemetric Electrode Array System
Briefs : Software
Digital Wound Measurement and Tracking System

Historically, the subjective nature of wound treatment has lead to many trial-and-error therapies to match wounds with the right treatment. The WoundMatrix™ digital wound measurement and tracking system provides an objective and qualitative tool and method to track, document, and measure the...

Briefs : Medical
Three-Dimensional Optical Coherence Tomography

Three-dimensional (3D) optical coherence tomography (OCT) is an advanced method of noninvasive infrared imaging of tissues in depth. Heretofore, commercial OCT systems for 3D imaging have been designed principally for external ophthalmological examination. As explained below, such systems have been...

Briefs : Medical
Isolation of Precursor Cells From Waste Solid Fat Tissue

A process for isolating tissue-specific progenitor cells exploits solid fat tissue obtained as waste from such elective surgical procedures as abdominoplasties (“tummy tucks”) and breast reductions. Until now, a painful and risky process of aspiration of bone marrow has been used to...

Briefs : Medical
Benchtop Antigen Detection Technique Using Nanofiltration and Fluorescent Dyes

The designed benchtop technique is primed to detect bacteria and viruses from antigenic surface marker proteins in solutions, initially water. This inclusive bio-immunoassay uniquely combines nanofiltration and near infrared (NIR) dyes conjugated to antibodies to...

Briefs : Software
Wireless, Handheld Electronic Medical Record Application

PocketChart™, available in numerous medical specialty editions, is a wireless, handheld electronic medical record application that will help physicians increase productivity, reduce transcription costs, and increase revenue through improved code levels. PocketChart enables a PocketPC to...

Briefs : Medical
Identification of Bacteria and Determination of Biological Indicators

The ultimate goal of planetary protection research is to develop superior strategies for inactivating resistance-bearing micro-organisms like Rummelibacillus stabekisii. By first identifying the particular physiologic pathway and/or structural component of the cell/spore that...

Briefs : Manufacturing & Prototyping
Further Development of Scaffolds for Regeneration of Nerves

Progress has been made in continuing research on scaffolds for the guided growth of nerves to replace damaged ones. The scaffolds contain pores that are approximately cylindrical and parallel, with nearly uniform widths ranging from tens to hundreds of microns. At the earlier stage of...

Briefs : Medical
Chemically Assisted Photocatalytic Oxidation System

The chemically assisted photocatalytic oxidation system (CAPOS) has been proposed for destroying micro-organisms and organic chemicals that may be suspended in the air or present on surfaces of an air-handling system that ventilates an indoor environment. The CAPOS would comprise an upstream...

Briefs : Materials
Use of Atomic Oxygen for Increased Water Contact Angles of Various Polymers for Biomedical Applications

The purpose of this study was to determine the effect of atomic oxygen (AO) exposure on the hydrophilicity of nine different polymers for biomedical applications. Atomic oxygen treatment can alter the chemistry and morphology of polymer...

Briefs : Medical
Open-Access, Low-Magnetic-Field MRI System for Lung Research

An open-access magnetic resonance imaging (MRI) system is being developed for use in research on orientational/ gravitational effects on lung physiology and function. The open-access geometry enables study of human subjects in diverse orientations. This system operates at a magnetic...

Briefs : Sensors/Data Acquisition
Microfluidic Mixing Technology for a Universal Health Sensor

A highly efficient means of microfluidic mixing has been created for use with the rHEALTH sensor — an elliptical mixer and passive curvilinear mixing patterns. The rHEALTH sensor provides rapid, handheld, complete blood count, cell differential counts, electrolyte measurements, and...

Briefs : Medical
Microwell Arrays for Studying Many Individual Cells

“Laboratory-on-a-chip” devices that enable the simultaneous culturing and interrogation of many individual living cells have been invented. Each such device includes a silicon nitride-coated silicon chip containing an array of micromachined wells sized so that each well can contain one cell...

Briefs : Materials
Convergence Nanoparticles for Multi-Modal Biomedical Imaging

A project is underway to develop a novel, versatile, multi-functional convergence nanoparticle system that utilizes inorganic nanoparticles for advanced biomedical applications. Inorganic nanoparticles exhibit improved optical, magnetic, and electronic properties compared to classical...

Briefs : Medical
Trans-Skull Ultrasound Scanner for Diagnosis of Rhino-Sinusitis

Rhino-sinusitis, or sinus infection, is an inflammation of the paranasal sinuses, which can be caused by different conditions (bacterial, fungal, viral, allergic, or autoimmune). Bacterial rhino-sinusitis is currently assessed by puncture or imaging techniques (x-ray or CT) in order...

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