Systems and methods for grounding or isolating a dental hand piece
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United States of America Patent
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May 29, 2018
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N/A
app pub date -
Nov 26, 2014
filing date -
Nov 27, 2013
priority date (Note) -
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Abstract
An electrically safe treatment system for use in treating a patient includes two or more sections coupled with a joint that permits any one section to rotate relative to another coupled section. At least one of the sections includes an electrical component. An electrical contact associated with the joint is designed to maintain an electrical connection between a pair of sections throughout an angular range of motion of one of the sections relative to the other, coupled section. The electrical contact can also maintain a total resistance of a series connection including the two sections and the contact below a specified threshold. Alternatively, one or more insulator joints may be employed to meet safety requirements.
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