Syringe for use in cataract surgery

Details Syringe for use in cataract surgery Syringe for use in cataract surgery

1989-02-22

1991-05-07

Isabella, David J.

Surgery

Means for introducing or removing material from body for...

Material introduced into and removed from body through...

A61M 100

Patent

active

050132954

ABSTRACT:
A syringe, particularly useful for surgery of the eye, includes first and second tubular members disposed in concentric relation, a chamber having a piston movable therein to define a first chamber portion on one side of the piston communicating with a proximal end of the first tubular member and a second chamber portion on the opposite side of the piston communicating with a proximal end of the second tubular member such that movement of the piston forces fluid, such as a cell-killing substance, from the first chamber portion through the first tubular member and simultaneously creates a suction at the distal end of the second tubular member, for example, evacuate any substance escaping from tissue into which the substance is injected.

REFERENCES:
patent: 443083 (1890-12-01), Bartsch
patent: 750276 (1904-01-01), Gruss
patent: 1231772 (1917-07-01), Meyer
patent: 4518383 (1985-05-01), Evans
patent: 4609368 (1986-09-01), Dotson, Jr.
patent: 4764165 (1988-08-01), Reimels et al.

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