Electrode and method for laryngeal electromyography

Details Electrode and method for laryngeal electromyography Electrode and method for laryngeal electromyography

1977-12-19

1979-05-22

Cohen, Lee S.

Surgery

Truss

Pad

128733, A61B 504

Patent

active

041553535

ABSTRACT:
An electrode for laryngeal electromyography comprises an insulator body having a pair of rigid conductors or posts mounted in a spaced apart relation therein. A pair of flexible electrical wires have one end connected with an associated post, and the other end adapted for connection to an electrical signal monitor. A tab projects outwardly of the insulator body, and is shaped for insertion into a laryngeal ventricle portion of the patient and prevents inadvertent removal of the electrode from a vocalis muscle thereof. The free ends of the posts are embedded into the patients vocalis muscle, and a signal generating probe is applied to surgically exposed internal tissue in the area surrounding the recurrent laryngeal nerve, whereby contact between the probe and the laryngeal nerve excites the vocalis muscle and the monitor, thereby indicating to the surgeon the exact location of the nerve.

REFERENCES:
patent: 3057356 (1962-10-01), Greatbatch
patent: 3212496 (1965-10-01), Preston
patent: 3313293 (1967-04-01), Chesebrough et al.
patent: 3543761 (1970-12-01), Bradley
patent: 3750650 (1973-08-01), Ruttgers
patent: 3804080 (1974-04-01), Ruttgers et al.
patent: 3826244 (1974-07-01), Saleman et al.
patent: 3971364 (1976-07-01), Fletcher
Saleman et al., "A New Chronic . . . Microelectrode", The Int. Fed. for Med. & Bio. Eng., vol. 14, No. 1, p. 42-50, Jan. 1976.
Wise et al., "An Integrated . . . Microelectrodes", IEEE Trans. on Bio-Med. Eng., vol. 17, No. 3, Jul. 1970, pp. 238-247.

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