Cystotome for eye surgery and method of opening lens capsule

Details Cystotome for eye surgery and method of opening lens capsule Cystotome for eye surgery and method of opening lens capsule

1984-03-16

1986-02-18

Wilson, John J.

Surgery

Truss

Pad

128751, 433118, A61F 1732

Patent

active

045706328

ABSTRACT:
A cystotome for producing a continuous series of perforations in the anterior lens capsule of a human eye preparatory to cortex removal in extracapsular cataract extraction has a rectilinearly reciprocable, essentially poniard-shaped cutter for piercing the capsule while it is held taut along the base of an indentation pressed into the capsule such that the cutter moves into and out of a tubular support therefor along a path which is perpendicular to the base of the indentation, the movement of the cystotome along the capsule taking place only while it is out of engagement with the capsule with the cutter fully retracted.

REFERENCES:
patent: 158863 (1875-01-01), Nichols
patent: 215226 (1879-05-01), Justi
patent: 2129212 (1938-09-01), Hollenback

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