Corneal curvature adjusting ring

Details Corneal curvature adjusting ring Corneal curvature adjusting ring

1994-07-28

1996-04-09

Thaler, Michael H.

Surgery

Instruments

606151, 606166, A61B 1700

Patent

active

055057225

ABSTRACT:
Surgical apparatus for inserting a plastic, split end, adjusting ring into the stroma of the cornea of the eye wherein the adjusting ring includes, as a part thereof, a dissecting head to part the stroma and provide a pathway for the adjusting ring as the ring is rotated. The ends of the adjusting ring are moved to change the shape of the cornea to a desired shape in accordance with the desired visual correction after which the ends of the adjusting ring are fixably joined to maintain the desired shape.

REFERENCES:
patent: 1147568 (1915-07-01), Thomson
patent: 2014995 (1935-09-01), Washer
patent: 4205682 (1980-06-01), Crock et al.
patent: 4319575 (1982-03-01), Bonte
patent: 4332039 (1982-06-01), La Fuente
patent: 4346482 (1982-08-01), Tennant et al.
patent: 4346713 (1982-08-01), Malmin
patent: 4452235 (1984-06-01), Reynolds
patent: 4705035 (1987-11-01), Givens
patent: 4961744 (1990-10-01), Kilmer et al.

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