Surgical method for altering the curvature of the cornea of rabb

Details Surgical method for altering the curvature of the cornea of rabb Surgical method for altering the curvature of the cornea of rabb

1979-02-27

1981-11-03

Michell, Robert W.

Surgery

Truss

Pad

3 13, 3 36, 128 1R, 128DIG8, A61F 1732, A61F 116

Patent

active

042980046

ABSTRACT:
A method for altering the radius of curvature of the cornea together with an apparatus for use therein is provided. Apparatus (10) includes a circular ring (12) which can be placed over the eye for concentrically surrounding the cornea. Blade (14) which forms a part of apparatus (10) is mounted for retractable movement to and away from the cornea. Blade (14) is also able to rotate through a limited arc so that a sector-shaped incision (46) can be made in the cornea. Collagen or any other suitable material (50) is injected into sector-shaped incision (46) to alter the radius of curvature of the cornea.

REFERENCES:
patent: 1245983 (1917-11-01), Satow
patent: 3776230 (1973-12-01), Neete
patent: 3945054 (1976-03-01), Federov et al.
patent: 4002169 (1977-01-01), Cupler
patent: 4180075 (1979-12-01), Marinoff
"A Lens for All Seasons", Tennant, Aug. 1976, p. 46.
Keratoprosthesis-American Journal of Ophthalmology, vol. 54, No. 2, Aug. 1962, pp. 284-294.
Medical Section-Collagen Currents, Ethicon, Inc., Sommerville, N. J., vol. 5, No. 1, Jul. 1964, pp. 25-26.

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