Electro-surgical instrument

Details Electro-surgical instrument Electro-surgical instrument

1990-03-06

1991-11-12

Cohen, Lee S.

Surgery

Instruments

Electrical application

606 49, A61B 1739

Patent

active

050644246

ABSTRACT:
The invention relates to an electro-surgical instrument having a probe stem whose distal end is provided with an electrode connectable to an HF current source. To enable the electrode to be used both for coagulation and for resection accompanied by coagulation, the electrode has a part-spherical portion and an annular portion. This annular portion is arranged to project up at an angle from a plane face of the part-spherical portion.

REFERENCES:
patent: 1932258 (1933-10-01), Wappler
patent: 2447169 (1948-08-01), Sousa
patent: 3532095 (1968-06-01), Miller et al.
patent: 4362160 (1982-12-01), Hittebrandt

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