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?”

Features : Imaging
Planetary Imaging Technology Aids Enzyme Screening

As part of an internship in NASA’s Space Biology Program, Mary M. Yang had the opportunity to work in NASA’s Mission Control Center and see the first close-up images of Saturn being piped back to Earth from the Pioneer 11 spacecraft in 1979.

Features : Medical
Space-Proven Medical Monitor Provides Total Patient Care

By mid-1963, American astronauts had visited space on six different occasions, all as part of NASA’s first human space flight program, the Mercury Program. During the final Mercury mission, launched on May 15, 1963, astronaut Leroy Gordon Cooper logged 34 hours in orbit, the longest an...

Features : Imaging
Discovering New Drugs on the Cellular Level

As a potential source of food for long-duration space missions, space-grown plants could give astronauts an important psychological boost, as fresh vegetables could serve as a welcomed change from reconstituted foods in plastic bags. Even more, these plants could likely aid in the recycling of air and...

Products : Motion Control
Vortex Mixers

Vortex mixers from Jeio Tech (Woburn, MA) feature three kinds of mode operation by two-mode key (touch, continuous, and high-continuous) and a BLDC motor. They have a wide ad justable speed range up to 3,000 rpm, measure 6.06 × 8.27 × 3.27" without attachments, and weigh 7.72 pounds. The touch switch offers real-time mixing and...

Products : Medical
Digital Computer Microscope

The speckFINDER HD from Dazor (St. Louis, MO) is a digital computer microscope designed with a flat panel digital display for training, instructing, or supervising. With three USB outputs and a video output, users can output files to a Flash drive or project live images to an overhead screen. The high-resolution,...

Products : Motion Control
Linear Stepper Motors

Johnson Electric (Vandalia, OH) offers Saia® UAL Series linear stepper motors that deliver constant positioning force of up to 30 N over the full travel distance of up to 15 mm, at speeds up to 4.16 mm/sec at 200 Hz. The motors feature a removable bayonet-style flange for easy mounting and a compact 20 × 30 mm footprint...

Products : Motion Control
Pump Module

IDEX Health & Science (Oak Harbor, WA) has introduced a controlled delivery module (CDM) that provides precise liquid flow control through feedback from an integrated flow sensor. It can be integrated into an equipment manufacturer’s instrument. It has been applied to applications ranging from mass spectrometry calibration to in...

Products : Mechanical & Fluid Systems
Push-Pull Connector

The REDEL 1P connector from LEMO USA (Rohnert Park, CA) is lightweight, and EtO and gamma sterilizable. It is available in 2 to 14 contacts in a variety of colors for easy identification. It features golden contacts and an outershell in PSU.

Products : Manufacturing & Prototyping
Metal Microtubing

RepExact (Gastonia, NC) offers thin-wall metal microtubing for medical applications, including specialty tubes, stents, and instrumentation. Materials offered include stainless, titanium, nitinol, and other common and precious metals. Tubing diameters range from 0.02" to 0.98" with wall thicknesses from 0.0006" to 0.079".

Products : Mechanical & Fluid Systems
Ball Screws

Small-diameter ball screws from Nook Industries (Cleve land, OH) are designed for smaller-footprint medical applications. Screw diameters range from 6 mm to 12 mm, and they feature standard leads from 1 mm to 6 mm. They feature a load capacity of 40 to 100 pounds. Standard rolled screws feature a lead accuracy of ±100 μm/300 mm,...

Products : Mechanical & Fluid Systems
Miniature Coils

Medical Precision Windings, a division of Classic Coil (Bristol, CT), offers MicroCoil coils for medical applications. They have an outside diameter as small as .012" and an inner diameter of .005". They can be wound with 39-58 AWG copper, platinum, gold, nickel, or exotic magnetic wire materials. Applications include catheter...

Products : Medical
Dynamic Test Instruments

Instron (Norwood, MA) has released the ElectroPuls E10000 and E10000 Linear-Torsion allelectric dynamic test instruments capable of running slow-speed static tests through to highfrequency dynamic tests at over 100 Hz. Tests include evaluation of tensile strength of soft tissues and fracture mechanics. They feature no...

Products : Robotics, Automation & Control
CT X-Ray System

North Star Imaging (Rogers, MN) offers the ImagiX compact computed tomography (CT) X-ray system, designed for the scanning of small items sized from 0.02" to 6". It can also be used for digital X-ray inspection. The system features an array of 3D computed tomography reconstruction and evaluation capabilities with NSI’s efX-CT...

Products : Mechanical & Fluid Systems
Linear Actuator

HaydonKerk Motion Solutions™ (Waterbury, CT) has introduced the MotoDrive™ PDE integrated linear actuator and electronic drive, available in size 17 single or double stack. It is designed to operate with optically isolated inputs of pulse, direction, and enable signals. It can be programmed for microstepping, ranging from...

Products : Mechanical & Fluid Systems
Connector/Cable Systems

Plastics One (Roanoke, VA) custom designs, molds, and assembles medical connector/cable systems for applications in areas such as body-worn diagnostic testing and monitoring components. Standard connector component products also are available.

Products : Medical
LED-Curable Adhesive

The 1020-M Ultra Light- Weld® from Dymax (Torrington, CT) is a tack-free, LED-curable adhesive designed for rapid bonding of plastics typically used in the manufacture of medical devices. It is formulated for on-demand cure with the Dymax BlueWave® LED Prime UVA spot-curing system, which produces an output of...

Products : Manufacturing & Prototyping
Spin Welding

Veridiam Medical (San Diego, CA) provides spin welding that allows plastic components to be cleanly and permanently attached to metal assemblies, using heat generated from rotational friction. This facilitates the completion of complex projects that require both metal manufacturing and plastic attachment.

Products : Motion Control
Dispensing Valve

The Model 455 dispensing valve from Tridak, a DYMAX Company (Torrington, CT), is a pneumatically operated, two-way pinch valve that features micrometer control over the flow rate, ensuring that materials are dispensed repeatedly and accurately. The valve has an over-stroke adjustment, positive shutoff, and disposable inert...

Briefs : Medical
Magnetic Plungerless Injection System

The Magnetic Plungerless Injection System (MPIS) was invented to enhance the therapeutic value and market availability of parenterally delivered pharmaceuticals and vaccines. The MPIS is a mechanical arrangement of a proprietary single-dosage cartridge and a magnetic actuator, and is a combination of the...

Briefs : Medical
Exact Dose Dispensing Closure for Semi-Solids

A novel closure technology now makes it possible to consistently squeeze an exact dose of semi-solids from a tube by means of a 180-degree rotating closure. It has potential uses in pharmaceutical transdermal and oral applications, as well as glue dispensing, semi-solid food dispensing, and paint...


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