Iris retractor

Details Iris retractor Iris retractor

1981-04-10

1983-06-14

Howell, Kyle L.

Surgery

Truss

Perineal

128341, A61B 1702

Patent

active

043877060

ABSTRACT:
An iris retractor for use during eye surgery. The retractor comprises a substantially circular, resilient ring, the ring having an arcuate flange extending downwardly and outwardly therefrom, a plurality of transverse, reinforcing struts extending across the ring and the arcuate flange, and a pair of opposing pinions situated on the flange of the substantially circular, resilient ring. The retractor, prior to being placed within the pupil, may be contracted into a substantially oval configuration by means of suitable forceps engaging the opposing pinions, and, when placed within the pupil, may be expanded back into its circular configuration by means of the resiliency within the retractor.

REFERENCES:
patent: 2374574 (1945-04-01), Adams
patent: 3579642 (1971-05-01), Heffernan et al.
patent: 3711870 (1973-01-01), Deitrick
patent: 4321916 (1982-03-01), McKee

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