Universal finger/foot switch adaptor for tube-type electrosurgic

Details Universal finger/foot switch adaptor for tube-type electrosurgic Universal finger/foot switch adaptor for tube-type electrosurgic

1982-01-13

1984-08-07

Cohen, Lee S.

Surgery

Truss

Pad

12830317, 307117, A61B 1739

Patent

active

044637594

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.

REFERENCES:
patent: 3801800 (1974-04-01), Newton
patent: 4071028 (1978-01-01), Perkins
patent: 4092986 (1978-06-01), Schneiderman
patent: 4318409 (1982-03-01), Oosten
patent: 4334539 (1982-06-01), Childs et al.

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