Intralenticular cataract surgery

Details Intralenticular cataract surgery Intralenticular cataract surgery

1977-08-23

1980-03-04

Michell, Robert W.

Surgery

Truss

Perineal

128216, 424 94, A61M 500

Patent

active

041911768

ABSTRACT:
An enzymatic intralenticular cataract treatment for removal of nuclear cortical and subcapsular regions of the cataractous lens through enzymatic digestion thereof which comprises introduction of a concentrated solution of a trypsin enzyme into the nuclear and cortical regions of a cataractous lens, and after enzymatic digestion removing the liquefied cataractous material. The procedure allows subsequent removal of the nuclear, cortical and subcapsular portions of a cataractous lens through a very tiny incision in the eye and lens capsule, leaving all other structures within the eye intact. Bovine and porcine trypsins are preferred.

REFERENCES:
patent: 3320131 (1967-05-01), Smith
patent: 3589363 (1971-06-01), Banko
patent: 3683069 (1972-08-01), Hooreman
patent: 4078564 (1978-03-01), Spina et al.
Preparation and Properties of Water-Insoluble Derivatives of Trypsin-Atha Ban-Eli & Epraim Katchalaski, Journal of Biol. Research Chemistry, vol. No. 5, May 1963, pp. 1690-1698.

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