Method and apparatus for testing dielectric insulation integrity of a device

Method and apparatus for testing dielectric insulation integrity of a device

A method, apparatus 300 and detection circuit 306 for testing the dielectric integrity of an insulated medical instrument 316 such as a diathermy probe, submerged in a conductive solution 320 during test. The circuit supplies a test voltage to the device under test via connector 308, and a represent...

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1. Verfasser: WILLIAM CLIVE ROSS
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Sprache:eng
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INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
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creator WILLIAM CLIVE ROSS
description A method, apparatus 300 and detection circuit 306 for testing the dielectric integrity of an insulated medical instrument 316 such as a diathermy probe, submerged in a conductive solution 320 during test. The circuit supplies a test voltage to the device under test via connector 308, and a representation of the test voltage is compared with a reference or threshold potential to determine whether it is representative of a loading effect, due to a flaw or defect in the insulation integrity significantly lowering resistance and allowing a current to flow to the electrolyte. In embodiments, visual 312, 314 and audible 322 devices alert or notify the operator of a failed or passed test and a wetting agent can be used to ensure maximal surface contact with the insulation coating. In this manner, a uniform test is performed, batch testing is possible and damage caused via sparking is reduced.
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subjects INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
title Method and apparatus for testing dielectric insulation integrity of a device
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