Expandable dilator and method for intraocular surgery

Details Expandable dilator and method for intraocular surgery Expandable dilator and method for intraocular surgery

1992-09-23

1994-04-05

Rosenbaum, C. Fred

Surgery

Truss

Perineal

606198, 128 3, A61B 1702

Patent

active

052995640

ABSTRACT:
In accordance with the disclosed device and method a highly-corrugated hollow miniature torus is introduced into the pupillary opening in the eye of a person. Then, the torus is expanded by introduction of fluid therein, so that it engages and dilates the marginal edge of the iris. An intraocular surgical procedure is then performed, following which the torus is contracted and removed. A valve is employed to control the introduction and discharge of the fluid.

REFERENCES:
patent: 2012211 (1935-08-01), Willig
patent: 2526164 (1950-10-01), Slemmons
patent: 4387706 (1983-06-01), Glass
patent: 4782820 (1988-11-01), Woods
patent: 5109875 (1992-05-01), Gottlieb

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