Iris retractor and pupil dilator

Details Iris retractor and pupil dilator Iris retractor and pupil dilator

1979-05-18

1981-03-24

Yasko, John D.

Surgery

Truss

Perineal

128345, A61B 1702

Patent

active

042574064

ABSTRACT:
An instrument for use in ophthalmic surgery to retract the iris and provide optimal dilation of the pupil in a facile, atraumatic, and thoroughly controllable fashion. The instrument includes a pair of curved retracting tips adapted to engage the iris gently and positively for expanding the pupil to permit removal of the crystalline lens without injury to the iris. The retracting tips are mounted on a pair of cross-action spring arms and the instrument is designed for easy comfortable one-hand operation.

REFERENCES:
patent: 724889 (1903-04-01), Kochenderfer
patent: 4143427 (1979-03-01), Avis
patent: 4147167 (1979-04-01), Hickmann et al.

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