Electro-surgical blade

Details Electro-surgical blade Electro-surgical blade

1996-12-26

1998-09-01

Jackson, Gary

Surgery

Instruments

Electrical application

606 40, A61B 1736

Patent

active

058004270

ABSTRACT:
The present invention is a device and method for making electro-surgical devices, such as electro-surgical blades, that have a thin coating of non-stick material with a narrow continuous gap, or stretch of opening, in the coating, exposing the metal surface along an edge. This opening has a shape that tends to prevent it being clogged by charred tissue in use. The present invention includes a method of manufacturing the devices that has fewer steps than the prior art, and a better way of forming an opening in the electrically insulating non-stick coating to electrically expose the metal beneath.

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patent: 5197962 (1993-03-01), Sansom et al.
patent: 5374188 (1994-12-01), Frank et al.
patent: 5380320 (1995-01-01), Morris
patent: 5490521 (1996-02-01), Davis et al.
U.S. Patent 4,785,807, filed Nov. 22, 1988 (abstract only).

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