Regulated-current power supply and methods for resistively-heated surgical instruments
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United States of America Patent
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Aug 29, 1995
Issued Date -
N/A
app pub date -
Jul 6, 1994
filing date -
May 1, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A power supply for use with resistively-heated surgical instruments is provided, wherein the desired operating conditions of the surgical instrument are determined by a set-point determination circuit in combination with a set-point indicator element. The power supply includes an impedance matching circuit and current step-up transformer for reducing power loss in the cable connecting the surgical instrument to the power supply. A method of regulating the output of a power supply used with resistively-heated surgical instruments is also provided.
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