Medical instrument, and method of utilizing same

Details Medical instrument, and method of utilizing same Medical instrument, and method of utilizing same

1980-12-29

1983-01-11

Cohen, Lee S.

Surgery

Truss

Pad

219236, A61B 1738

Patent

active

043677444

ABSTRACT:
A medical instrument including a cautery portion for use in performing an anterior capsulotomy during extracapsular cataract extraction surgery. A substantially rigid stem portion is connected between the cautery portion and a handle portion, and is provided with bends to facilitate maneuverability of the cautery portion and to avoid substantial interference with the surgical field of vision by the handle portion. An electrical path is defined through the handle portion and stem portion to the cautery portion so as to permit electrical current to be supplied to the cautery portion so as to rapidly heat same to a burning temperature so as to burn a circle in the anterior lens capsule of the eye during surgery. The stem portion and handle portion are covered with an electrically-insulative material.

REFERENCES:
patent: 1919543 (1933-07-01), Doane
patent: 2033397 (1936-03-01), Richman
patent: 2844697 (1958-07-01), Emmerson
patent: 3884237 (1975-05-01), O'Malley
patent: 4108181 (1978-08-01), Sclianis
Peyman et al, "Experimental Intraocular Coagulation", Opthelmic Surgery, Jan.-Feb., 1972, vol. 3, No. 1, pp. 32-37.
Gorsch, "Biopsy in Proctology", American J of Surgery, p. 484, Jun. 1936.

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