Spiral electrode with contact retainer

Details Spiral electrode with contact retainer Spiral electrode with contact retainer

1992-08-03

1993-06-29

Cohen, Lee S.

Surgery

Truss

Pad

128698, A61B 50408

Patent

active

052224988

ABSTRACT:
A bipolar fetal monitoring electrode having an electrode body, a spiral electrode terminating in a point for engaging with fetal scalp, and a reference electrode insulated from the spiral electrode. The end of the electrode from which the spiral extends includes one or more protrusions in the form of points, ramps, ribs or the like to increase the resistance of the spiral from unwinding from the fetal scalp to which it is attached and thus to help prevent the spiral from unwinding spontaneously.

REFERENCES:
patent: Re28990 (1976-10-01), Hon et al.
patent: 3750650 (1973-08-01), Ruttgers
patent: 4355642 (1982-10-01), Alferness
patent: 4658825 (1987-04-01), Hochberg et al.
patent: 4913151 (1990-04-01), Harui et al.

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