Medical high frequency coagulation cutting instrument

Details Medical high frequency coagulation cutting instrument Medical high frequency coagulation cutting instrument

1992-10-13

1993-12-07

Pellegrino, Stephen C.

Surgery

Instruments

Electrical application

606 46, 606 49, 606 50, A61B 1736, A61B 1739

Patent

active

052679985

ABSTRACT:
A medical coagulation-cutting instrument has an instrument shaft (11) with wo stationary coagulation electrodes (12, 13) and a movable cutting electrode (14). An actuating head (19) is arranged at the distal end of the instrument shaft (11). The radio frequency feedlines for the two coagulation electrodes (12, 13) are conductive tubes (15, 16) arranged concentric to one another and to the instrument shaft within which the high frequency feedline for the cutting electrode (14) is arranged in an insulated manner as an axially directed conductive bar (17) which is axially movable by the actuating head (19).

REFERENCES:
patent: 4655216 (1987-04-01), Tischer

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