RFID Solutions Provider Impinj has acquired the UHF RFID chip operation of Intel Corporation. Chip maker Intel had developed the awarding-winning R1000 RFID reader chip. The acquisition of Intel’s RFID unit enhances the range of Impinj’s RFID offerings. It is especially noteworthy that the single R1000 chip enables 90 percent of the components required all reader form … [Read more...]
Instrumentation Amplifier Includes Filters to Reduce RF Interference
The new INA333 is a is a zero-drift instrumentation amplifier from Texas Instruments with input bias current of 200 pA and quiescent current of 75 µA. Offset voltage is 25 µV, and offset drift is 0.1 µV/°C. The INA333 yields an input voltage noise of 50 nV/rt-Hz with a proprietary switched capacitor notch filter. The MSOP-8-packaged amplifier has 3 op-amp architecture and … [Read more...]
Long Term Exposure to ELF EM Fields Impairs Spatial Recognition Memory in Mice
A study reported in the current issue of a prominent medical publication indicates that mice that were subjected to prolonged exposure to extremely low-frequency (ELF) electromagnetic fields displayed significantly impaired spatial recognition memory. Researchers exposed the mice to 25 or 50 Hz of electromagnetic fields for either 7 or 25 days and then tested them in a Y maze. … [Read more...]
3M and Sonitor Team on Hospital Locator Project; Stress Assurance on Interference Issue
3M has announced that it is bringing Sonitor’s high definition, ultra-sound based Real Time Location System (RTLS) technology to its Track and Trace customer base. RTLS technology, which is already deployed in several leading hospitals, automatically tracks, with room-level or sub-room level accuracy, the location of mobile equipment or people within complex environments such … [Read more...]
Pitt Oncologist Issues Warning on EM Fields from Mobile
In an unprecedented move, Dr. Ronald B. Herberman, (shown at left) head of the University of Pittsburgh Cancer Institute (UPCI), issued a warning to 3000 staff members about the possible health risks associated with the electromagnetic fields from mobile phones. Dr. Herberman’s explicit list of ways to cut exposure contrasts with the usual advice from medical experts. The usual … [Read more...]
The International Medical Device EMC Standard—IEC 60601-1-2
The “-2” standard is increasingly important in the electrical medical device world. Dan Hoolihan, Houlihan EMC Consulting, Lindstrom, MN, USA INTRODUCTION The most well-known and used EMC Standard for Electrical Medical Devices is IEC 60601-1-2 ("-2") which is entitled "Medical Electrical Equipment – Part 1-2: General Requirements for Basic Safety and Essential … [Read more...]
UK Researchers’ Terahertz Pulses Could Boost Medical Imaging Technology
Scientists at Britain’s University of Strathclyde have developed a technology for producing terahertz pulses—a safe form of radiation that could be used in medical imaging, biological research, or homeland security. The nanotechnology, developed by Dr Klaas Wynne and Gregor H. Welsh, can be used to cultivate a range of imaging technologies from new machines to detect cancerous … [Read more...]
Tumor Location System Uses EM Transponders for Targeted Cancer Treatment
The Calypso® 4D Localization System from Seattle, WA-based Calypso Medical Technologies is a proprietary tumor localization system that utilizes miniaturized implanted devices (Beacon® electromagnetic transponders) that continuously, accurately, and objectively pinpoint the location of tumors for improved accuracy in radiation therapy. This system addresses two major issues in … [Read more...]
Ferromagnetic Detection Technology Assures MRI Safety
The Ferroguard® Beacon from ETS-Lindgren is the latest addition to its MRI safety detection technology. The innovative Ferroguard™ Beacon provides advanced visual warning of the presence of harmful ferrous material. Using incremental, multi-colored warning lights, it minimizes the need for the activation of an audible alarm by providing visual notification. This new device is … [Read more...]
IC Family Provides Surge Protection for Implantable Medical Devices
The ZL70270, ZL70271, ZL70272, ZL70273, ZL70274, and ZL70288 from Zarlink Semiconductor make up a family of transient surge suppressing devices designed specifically for implanted medical devices. Five-, six-, and seven- terminal models are available. The device terminals exhibit extremely low leakage during normal voltages and can, therefore, be connected in parallel with the … [Read more...]
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