"Canoe" apparatus for inserting intra-ocular lens into the eye

Details "Canoe" apparatus for inserting intra-ocular lens into the eye "Canoe" apparatus for inserting intra-ocular lens into the eye

1988-03-24

1989-05-30

Thaler, Michael H.

Surgery

Truss

Pad

623 6, A61B 1700

Patent

active

048340944

ABSTRACT:
There is disclosed herein an apparatus and method for curling and confining a flexible lens and for inserting and injecting the same into the eye. The apparatus includes an insertion cartridge including an insertion tip having a lens holder in the form of a "canoe," a constricting sleeve for causing the lens to curl within the tip, and a plunger for moving the lens out of the tip and injecting the same into the eye. The injection tip is configured in a particular manner to enable the lens to uncurl gently and thereby be gently inserted into the eye. There also is disclosed a hand held instrument for holding and manipulating the lens insertion cartridge, and a control unit and control system for controlling advancement of the lens out of the lens cartridge. Also disclosed is a lens cartridge loader which allows a physician to load an intra-ocular lens into the lens cartridge in a simple, one handed operation.

REFERENCES:
patent: 4681102 (1987-07-01), Bartell
patent: 4702244 (1987-10-01), Mazzocco
patent: 4715373 (1987-12-01), Mazzocco et al.

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