Medical high frequency coagulation instrument

Details Medical high frequency coagulation instrument Medical high frequency coagulation instrument

1992-10-13

1994-01-11

Pellegrino, Stephen C.

Surgery

Instruments

Electrical application

606 50, 606 41, 606 45, 128 4, A61B 1736

Patent

active

052776964

ABSTRACT:
A radio frequency coagulation instrument has two concentric tubular feedls (15, 16) with coagulation electrodes (13, 14) at their end. The tubular feedlines (15, 16) are simultaneously used to supply the radio frequency current to the coagulation electrode (13, 14) and for the supply and removal of a flushing liquid. Moreover, the passage (19) formed within the tubular feedline (16) which serves for the removal of flushing liquid, and which is expediently connected to a vacuum source, can be used independently of the supply of flushing liquid to suck away not only flushing liquid but also, or alternatively, blood, body fluids, secretions and pieces of body tissue.

REFERENCES:
patent: 3838242 (1974-09-01), Goucher
patent: 4181131 (1980-01-01), Ogiu
patent: 4581021 (1986-04-01), Landau et al.
patent: 4787891 (1988-11-01), Levin et al.
patent: 4800869 (1989-01-01), Nakajima

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