Lenticular net instruments

Details Lenticular net instruments Lenticular net instruments

2007-03-06

2007-03-06

Ho, (Jackie) Tan-Uyen (Department: 3731)

Surgery

Instruments

Means for removing, inserting or aiding in the removal or...

C606S127000

Reexamination Certificate

active

10322346

ABSTRACT:
A lenticular net instrument comprises an elongate handle coupled with a lenticular net movable to contracted and expanded configurations via an actuator of the handle. The net in the contracted configuration has a narrow profile for insertion in and removal from a lens capsule through a small incision in the eye. The net is movable to the expanded configuration within the lens capsule behind a cataractous nucleus. The net has a plurality of openings therein of a size to prevent fragments of the cataractous nucleus produced by fragmentation with a fragmenting instrument from passing therethrough such that the fragments do not pass into the vitreous cavity. A method of cataract surgery involves deploying a net behind a cataractous nucleus upon the occurrence of a rupture in the capsular wall.

REFERENCES:
patent: 3908661 (1975-09-01), Kramer
patent: 5284476 (1994-02-01), Koch
patent: 5676669 (1997-10-01), Colvard
patent: 5707359 (1998-01-01), Bufalini
patent: 5846248 (1998-12-01), Chu et al.
patent: 5891153 (1999-04-01), Peterson
patent: 6007546 (1999-12-01), Snow et al.
patent: 6042598 (2000-03-01), Tsugita et al.
patent: 6051015 (2000-04-01), Maahs

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