Nuclear hydrolysis cannula

Details Nuclear hydrolysis cannula Nuclear hydrolysis cannula

1992-03-20

1994-02-08

Rosenbaum, C. Fred

Surgery

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

Treating material introduced into or removed from body...

604272, 606166, A61M 532

Patent

active

052844765

ABSTRACT:
A cannula for use in cataract surgery during the phases of hydrodissection and hydrodelamination/hydrodelineation/hydrodemarcation is described. The cannula has a hub for mating with a syringe and a needle originating from the distal end of the hub. The needle comprises a first section, second section, and truncated surface. The first section originates from the distal end of the hub and extends forward in a plane delineating the central longitudinal axis of the cannula. The second section originates from the distal end of the first section and is flattened and curved away from the central longitudinal axis of the hub. The truncated surface of the needle forms a rounded tip with beveled surfaces. The intersection of the bevel and sides of the cannula are sharpened to provide a cutting edge.

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