Electronics
Mercury-Free Batteries
Posted in Electronics & Computers, Electronics, Medical, Drug Delivery & Fluid Handling, Products, MDB on Friday, 01 July 2011
The Renata Batteries (Dallas, TX) division of The SWATCH Group has developed a line of 0% mercury silver oxide batteries suitable for powering medical devices including insulin pumps, glucose meters, and surgical tools. The mercury-free batteries are useful for complying with state laws that make it illegal to sell devices powered by battery button cells that contain mercury.
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Surface Mount Chips
Posted in Electronics & Computers, Electronics, Products, MDB on Friday, 01 July 2011
Stackpole Electronics (Raleigh, NC) offers the RPC Series of surface mount chips that offer pulse withstanding in a 5% tolerance part. It is completely untrimmed, which allows the entire width of the resistance element to dissipate the pulse power without any current crowding. The thick film chip resistors are suitable for applications requiring low cost high pulse handling capability including many types of low to medium power supplies, medical applications, and imaging systems. They are available in tape and
reel packaging in quantities that vary depending on size.
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Triple Row Connectors
Posted in Electronics & Computers, Electronics, Products, MDB on Friday, 01 July 2011
Mill-Max (Oyster Bay, NY) offers 804 and 805 Series interconnects, suitable for high pin count I/O and board-to-board applications. The triple row pin field allows for signal connections to be more densely packaged. Placing and soldering one connector rather than three SIP sockets or a single and double row combination increases assembly
efficiency and improves positional accuracy. The triple row package, on a .100" (2.54 mm) grid, is available from 9 to 96 position configurations. The connectors are RoHS compliant and feature high temperature thermoplastic insulators compatible with lead-free soldering temperature requirements.
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COTS Filters
Posted in Electronics & Computers, Electronics, Products, MDB on Friday, 01 July 2011
LCR Electronics (Norristown, PA) offers a line of single phase COTS filters that operates over an extended temperature range of -40 °C to 85 °C (-40 °F to 185 °F). The RoHS-compliant Single Stage F9100 Filters and Double Stage F9200 Filters are suitable for high ambient environments or in applications with limited temperature rise requirements as found in the military, industrial, and medical applications. The 115/250 VA 50/60 Hz filters are available with rated current from 5 A to 35 A, in both general purpose and low leakage current versions. High potential voltage for both series is 1,450 VDC line-to-line and 2,250 VDC line-to-ground.
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Medical-Grade Microwave Power Generator
Posted in Electronics & Computers, Electronics, Photonics, Lasers & Laser Systems, Products, MDB on Friday, 01 July 2011
Emblation Microwave (Alloa, Scotland) offers the MSYS245 medical-grade microwave power generator, capable of more than 100 W CW output power at 2.45 GHz. It is suitable for a wide range of surgical applications, including soft tissue ablation, microwave hyperthermia therapy, diathermy, and microwave coagulation therapy. The compact microwave generator can replace much larger existing sources of microwave power such as magnetrons and traveling-wave tubes (TWTs), which also require separate power supplies. It measures 11.8" × 2.2" × 10.8" and weighs less than 10 pounds. It features a transistor oscillator feeding a fourstage amplifier based on gallium-nitride (GaN) transistors mounted on (SiC) substrates for thermal stability. The heat-pip-based cooling system transfers heat away from the amplifier’s active devices and maintains the enclosure at low operating temperatures even when running at full power. The MSYS245 employs pulse-width modulation (PWM) techniques to maintain power within 5% of a selected value over the full operating temperature range. The front-panel controls allow a user to enable or disable RF output power and to monitor status.
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Engineering a Paradigm Shift in At-Home Monitoring Devices
Posted in Treatment Devices, Electronics & Computers, Electronics, Medical, Patient Monitoring, Features, MDB on Wednesday, 01 June 2011
Semiconductor vendors are constantly on the lookout for the market dislocations that will provide the opportunity for product innovation and subsequent sales and revenue growth. Market dislocations tend to be anticipated and debated long before they come to fruition — echoing the old adage that invention is 10 percent innovation and 90 percent perspiration. Today, the healthcare industry is on the cusp of a market dislocation that promises to change the way healthcare is administered.

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Experimental Walking Assist Device With Body Weight Support System
Posted in Bio-Medical, Electronics & Computers, Electronics, Rehabilitation & Physical Therapy, Medical, Briefs, MDB on Wednesday, 01 June 2011

This technology is designed for users who, though capable of walking on their own, would benefit from a reduction of load on their leg muscles and joints.

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 ankles) by supporting a portion of the person’s body weight. It features a simple structure consisting of seat, frame, and shoes, and the user can put it on by simply wearing the shoes and lifting the seat into position. Moreover, a mechanism that directs the assisting force toward the user’s center of gravity and the ability to control the assist force in concert with the movement of the legs make it possible for the device to provide natural assistance in various postures and motions.
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