Electrosurgical knife

Details Electrosurgical knife Electrosurgical knife

1987-02-24

1988-11-22

Hindenburg, Max

Surgery

Truss

Pad

12830317, A61B 1736

Patent

active

047858079

ABSTRACT:
An electrosurgical knife includes a stainless steel blade whose surface is abraided or etched, a first coat of primer material applied over the blade, where the surface of the primer material is also abraided or etched, and a second coat of non-stick fluorinated hydrocarbon material applied over the coat of primer material to cover the primer material, for a total thickness of about three mils. The stainless steel blade is completely covered by the coatings but the thickness of the coatings is not so great as to prevent conduction of radio-frequency electrical energy from the blade through the coatings to tissue being cut.

REFERENCES:
patent: 3799168 (1974-03-01), Peters
patent: 4161950 (1979-07-01), Doss et al.
patent: 4314559 (1982-02-01), Allen
patent: 4333467 (1982-06-01), Domicone
patent: 4418057 (1984-11-01), Beard
patent: 4534347 (1985-08-01), Taylor
patent: 4545375 (1985-10-01), Clone
patent: 4589411 (1986-05-01), Friedman
patent: 4622966 (1986-11-01), Beard
patent: 4657016 (1987-04-01), Garito et al.

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