Sutureless infusion cannula for ophthalmic surgery

Details Sutureless infusion cannula for ophthalmic surgery Sutureless infusion cannula for ophthalmic surgery

1986-02-24

1987-09-08

Pellegrino, Stephen C.

Surgery

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

Treating material introduced into or removed from body...

604117, 604272, A61M 500

Patent

active

046921427

ABSTRACT:
An ocular infusion cannula containing a shoulder and a flange may be retained in the sclera during ophthalmic surgery without the use of sutures or vacuum techniques. The shoulder is sufficiently narrow to permit the sclera to expand and contract as it passes over due to resiliency of the sclera, and the gap between the shoulder and the flange is of appropriate width to retain the sclera while permitting a minimum axial slippage.

REFERENCES:
patent: 3726284 (1973-04-01), Parker
patent: 3776239 (1973-12-01), Cooley
patent: 4380234 (1983-04-01), Kamen
patent: 4400169 (1983-08-01), Stephen

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