Electrical surgical knife device

Details Electrical surgical knife device Electrical surgical knife device

1980-04-02

1982-01-19

Cohen, Lee S.

Surgery

Truss

Pad

128908, A61B 1739

Patent

active

043111440

ABSTRACT:
An electrical surgical knife which may be inserted into a body cavity of a patient through an endoscope in which electrical shock to the patient or user of the knife is prevented. A positive polarity electrode of the knife is disposed inside a flexible insulating tube. Around all but an end protruding active portion of the positive polarity electrode there is disposed a conductive metal sheath which is insulated therefrom. The metal sheath is electrically connected to a metal plate electrode which is adapted to be disposed in electrical contact with the skin of a patient.

REFERENCES:
patent: 3804096 (1974-04-01), Gonser
patent: 3999552 (1976-12-01), Huggins
patent: 4054143 (1977-10-01), Bauer
patent: 4121590 (1978-10-01), Gonser
patent: 4184492 (1980-01-01), Meinke et al.

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