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IEEE Montréal - IEEE Electromagnetic Compatibility Society
présentation (in English) :
"Wireless Healthcare Issues"
Tomas Pavlasek, McGill University, Introduction
Donald Davis, McGill University, Volumetric 1.9-GHz fields in a hospital:
EMC implications
Bernard Segal, McGill University, Risk of patient injury due to EMI:
Estimation & minimization
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List-Post: [email protected]
Date: Mardi 21 mai / Tuesday May 21, 2002
19h00
Place: CRIQ
8475, rue Christophe-Colomb
Montréal
$$: Gratuit / This event is free to all.
For future events IEEE membership may be required.
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ABSTRACT
Mr. Davis Talk: The current draft of the next medical-equipment EMC
standard, IEC 60601-1-2, will recommend usage of free-space minimal
separations (between RF sources of given power and medical devices of given
immunity) to minimize EMI malfunction of medical equipment. We have
previously reported that such separations were useful in most hospital
corridors, but such reports were based on mid-corridor measurements. We now
describe preliminary three-dimensional 1.9-GHz extensions of these reports.
We found that mid-corridor path loss was less than that at corridor walls.
Path loss near floors was much less then that at higher locations. Because
medical devices are rarely placed on the floor, our previously reported
minimum-separation recommendations are still likely to apply at most
corridor locations.
Dr. Segal Talk: Healthcare needs wireless informatics. To implement this
need safely, hospitals require suitable wireless-EMC policies. However, most
lack such policies, partly because some are unsure that patients really risk
being injured by EMI malfunctions. Factors affecting this risk are
critically overviewed, specifically the probabilities (1) that RF sources
operate at given locations, (2) that fields from such sources propagate to a
susceptible medical device, (3) that this device malfunctions, and (4) that
the malfunction causes patient injury. Only qualitative estimates of the
resultant overall EMI-injury risk are possible. This risk is probably very
small but must be minimized. Ways to do so are critically overviewed.
Both papers have been presented during the 2001 IEEE International
Symposium on EMC, Montréal, August 13 to 17, 2001
SPEAKERS
Dr. Pavlasek: Tom Pavlasek is an Emeritus Professor in Electrical and
Computer Engineering at McGill University. His research interests include
scattering-diffraction of electromagnetic and acoustic waves; near-field
behaviour of antennas; and numerical modeling of complex antenna systems.
He is a pioneer in electromagnetic compatibility and electromagnetic
environment research.
Mr. Davis: Don Davis is a PhD candidate at McGill University in the
department of Electrical and Computer Engineering. His research interests
include indoor and outdoor propagation of electromagnetic fields from 100 to
3000 MHz.
Dr. Segal: Bernard Segal is a highly-inter-disciplinary Research Engineer.
He is an Associate Professor in the Ear-Nose-Throat Department of McGill
University, with several cross appointments (Biomedical Engineering;
Electrical & Computer Engineering; Physiology). He is the Director of
Research in the Ear-Nose-Throat Department of the Jewish General Hospital.
He created and heads a multi-disciplinary cross-Canada team, The McGill
Biomedical Engineering Group on Electromagnetic Compatibility. He heads a
Canada-US Task Force on Electromagnetic Compatibility in Health Care. He has
organized over 25 national and international conferences, workshops and
teaching sessions on Healthcare Electromagnetic Compatibility. Dr Segal's
goal is to bring people from various fields together so that they can
resolve electromagnetic compatibility issues in health care.
RESERVATIONS :
Benoît Nadeau
IEEE Montréal, Président du chapitre EMC
Matrox
Tel: (514) 822-6000 x2475
Fax: (514) 822-6275
mailto:[email protected]
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LIENS UTILES / USEFUL LINKS :
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Electromagnetic Compatibility: http://www.emcs.org/
======================================================
Benoît Nadeau, ing., M.ing. (P.Eng., M.Eng)
Gérant du Groupe Conformité (Conformity Group Manager)
Matrox
======================================================
1055, boul St-Régis
Dorval (Québec)
Canada H9P 2T4
Tel : (514) 822-6000 (2475)
Fax : (514) 822-6275
mailto:[email protected]
http://www.matrox.com
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