Surgical instrument having self-regulated electrical skin-depth

Details Surgical instrument having self-regulated electrical skin-depth Surgical instrument having self-regulated electrical skin-depth

Filed on

1975-03-14

Date issued

1980-01-29

Examiner

Michell, Robert W.

Patent Class

Surgery

SubClass

Truss

SubSubClass

Pad

Other Related Categories

30140, 219233, A61B 1732

Type

Patent

Status

active

Patent number

041856325

Description

ABSTRACT:
The cutting edge of a scalpel blade is resistively heated to a preselected constant temperature range by conduction of high frequency electrical currents within variable skin depths of a ferromagnetic conductor that is disposed on the blade in the region of the cutting edge.

REFERENCES:
patent: 3489884 (1970-01-01), Waseleski, Jr.
patent: 3584190 (1971-06-01), Marcoux
patent: 3768482 (1973-10-01), Shaw
patent: 3826263 (1974-07-01), Cage et al.

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Also associated with

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