Spiral probe for simultaneous electrical and chemical monitoring

Details Spiral probe for simultaneous electrical and chemical monitoring Spiral probe for simultaneous electrical and chemical monitoring

1986-02-24

1987-04-21

Cohen, Lee S.

Surgery

Truss

Pad

128642, A61B 500, A61B 504

Patent

active

046588256

ABSTRACT:
A combined spiral EKG electrode and pH probe for use in monitoring a fetus during labor is described. The combined probe includes a spiral-shaped needle which acts as an EKG electrode and also houses a fiberoptic pH probe. Optical fibers and wires from the needle as well as from a reference electrode on the probe assembly are passed back through the cervix and vagina of a woman in order to provide simultaneous information as to both EKG and pH of the fetus during labor.

REFERENCES:
patent: 4200110 (1980-04-01), Peterson et al.
patent: 4244375 (1981-01-01), Farrar et al.
patent: 4281659 (1981-08-01), Farrar et al.
patent: 4294258 (1981-10-01), Bernard
patent: 4321931 (1982-03-01), Hon
Aarnoudse et al, "Fetal . . . PO.sub.2 and Abnormal Heart Rate During Labor", Am. J. Ob. & Gyn., vol. 158, No. 5, Nov. 1985.

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