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...]
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...]
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...]
New York State Company Offers Military-Approved QPL Inductors
Gowanda Electronics, of Gowanda, N.Y., has introduced a military-approved RF inductor series which is on the military’s Qualified Product List per MIL-PRF-83446. Gowanda’s MLRF3013 series addresses a need in the marketplace for enhanced RF inductor options in military applications. The MLRF3013 series is designed for RF electronic applications in military, aerospace and defense … [Read more...]
American Medical Association Policy Encourages Doctors to Learn About EMI
The American Medical Association’s new policy, H-215.972 Use of Wireless Radio-Frequency Devices in Hospitals, encourages collaborative efforts with the Food and Drug Administration and other organizations to develop consistent guidelines for the use of wireless devices in hospitals.Other collaborative efforts encouraged are the development of standards for medical equipment … [Read more...]
JAMA Publishes Story on Interference to Critical Care Medical Equipment from RFID Devices
The June issue of the Journal of the American Medical Association (JAMA) includes a paper on EMI tests carried out by a research team at the academic Medical Center, University of Amsterdam, Amsterdam, the Netherlands. Radio frequency identification devices have received considerable attention in the medical community since their use could readily identify patients accurately … [Read more...]
EMI Filters Are Available with Optional Surge Suppression
EMI filters modules from Foster Transformer are available with optional surge suppression. These devices can be mounted with ¼-inch quick connect terminals, a feature that allows them to be used wherever needed for EMI suppression—even in multiple locations within one piece of equipment. The fully encapsulated construction of these device complies with EN 133200 and UL 1283, … [Read more...]
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