Universal finger/foot switch adaptor for tube-type electrosurgical instrument
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United States of America Patent
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Aug 7, 1984
Grant Date -
N/A
app pub date -
Jan 13, 1982
filing date -
Jan 13, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A novel self-powered control unit for interfacing a tube-type electrosurgical mainframe to a finger-switch handpiece comprises completely-isolated electrical circuitry for preventing harmful feedback from mainframe to handpiece, a control function in parallel with the conventional mainframe footswitch, and novel battery-monitoring circuits for testing battery status.
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