Rotating mechanism for introducing a fetal electrode

Details Rotating mechanism for introducing a fetal electrode Rotating mechanism for introducing a fetal electrode

1980-04-14

1981-11-24

Cohen, Lee S.

Surgery

Truss

Pad

A61B 504

Patent

active

043018068

ABSTRACT:
An improved electrode structure for use in monitoring fetal heartbeat and the like. A guide tube has an open forward end adapted to be inserted through the vagina and cervix of a woman in labor. A signal acquisition device, adapted to rotatably engage a fetal epidermis, is slidably and rotatably disposed in the guide tube. A driving member is slidably and rotatably disposed in the guide tube for driving the signal acquisition device into engagement with a fetal epidermis. A line is attached to the driving member and is wrapped circumferentially around at least a portion of the driving member. A device is affixed to the line for pulling it tangentially with respect to the drive member, whereby the driving member and the signal acquisition device may be rotated for engaging a fetal epidermis.

REFERENCES:
patent: Re28990 (1976-10-01), Hon et al.
patent: 3750650 (1973-08-01), Ruttgers
patent: 3910271 (1975-10-01), Neward
patent: 3986497 (1976-10-01), Dali
patent: 4149528 (1979-04-01), Murphy

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