SAFETY FEATURES FOR USE IN MEDICAL DEVICES

A therapy system for applying an electrical signal to an internal anatomical feature of a patient includes an implantable component and an external component. The medical device can be checked for safety issues by periodically initiating a sequence of tests of an H-bridge circuit, and, during each t...

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Hauptverfasser:	ALMENDINGER, Al, SPAR, Gregory Pat, WEIJAND, Koen Jacob, MAAS, Randy, ELLSWORTH, Steve
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ELECTROTHERAPY HUMAN NECESSITIES HYGIENE MAGNETOTHERAPY MEDICAL OR VETERINARY SCIENCE RADIATION THERAPY ULTRASOUND THERAPY
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creator	ALMENDINGER, Al SPAR, Gregory Pat WEIJAND, Koen Jacob MAAS, Randy ELLSWORTH, Steve
description	A therapy system for applying an electrical signal to an internal anatomical feature of a patient includes an implantable component and an external component. The medical device can be checked for safety issues by periodically initiating a sequence of tests of an H-bridge circuit, and, during each test, monitoring a current flow through a sensing resistor electrically connected between a sensing connection of the H-bridge circuit and a ground. Current flow through the sensing resistor indicates that both series electrical switches within at least one of the two pairs of series electrical switches are active during that test.
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language	eng ; fre ; ger
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subjects	ELECTROTHERAPY HUMAN NECESSITIES HYGIENE MAGNETOTHERAPY MEDICAL OR VETERINARY SCIENCE RADIATION THERAPY ULTRASOUND THERAPY
title	SAFETY FEATURES FOR USE IN MEDICAL DEVICES
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