Switched safety protection circuit for an AIMD system during exposure to high power electromagnetic fields

An energy management system that facilitates the transfer of high frequency energy induced on an implanted lead or a leadwire includes an energy dissipating surface associated with the implanted lead or the leadwire, a diversion or diverter circuit associated with the energy dissipating surface, and...

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Main Authors WILLIAMS CHRISTOPHER MICHAEL, BRAINARD SCOTT, MOSCHIANO HOLLY NOELLE, STEVENSON ROBERT A, DABNEY WARREN S, JOHNSON ROBERT SHAWN
Format Patent
LanguageEnglish
Published 19.05.2015
Subjects
BASIC ELECTRONIC CIRCUITRY
DIAGNOSIS
ELECTRICITY
ELECTROTHERAPY
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS
MAGNETOTHERAPY
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
MEDICAL OR VETERINARY SCIENCE
PHYSICS
RADIATION THERAPY
RESONATORS
SURGERY
TESTING
ULTRASOUND THERAPY
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Summary:An energy management system that facilitates the transfer of high frequency energy induced on an implanted lead or a leadwire includes an energy dissipating surface associated with the implanted lead or the leadwire, a diversion or diverter circuit associated with the energy dissipating surface, and at least one switch disposed between the diversion circuit and the AIMD electronics for diverting energy in the implanted lead or the leadwire through the diversion circuit to the energy dissipating surface. The switch may comprise a single or multi-pole double or single throw switch. The diversion circuit may be either a high pass filter or a low pass filter.
Bibliography:Application Number: US201313897490