Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Eye prosthesis – Intraocular lens
Patent
1988-05-17
1989-11-14
Frinks, Ronald L.
Prosthesis (i.e., artificial body members), parts thereof, or ai
Eye prosthesis
Intraocular lens
A61F 216
Patent
active
048804274
ABSTRACT:
A flexible posterior chamber lens for implantation within an eye comprising a disc-shaped lens body having a front face, a convex rear face, and an outer peripheral edge. A flexible fixation element extends from the lens body and extends substantially around the entire peripheral edge of the lens body for engagement with substantial portion of the capsular equator when the lens is implanted. The convex rear face of the lens body engages the posterior capsule to stretch the same rearwardly so that cellular migration onto, and the opacification of the posterior capsule is substantially reduced or eliminated.
REFERENCES:
patent: 4251887 (1981-02-01), Anis
patent: 4363143 (1982-12-01), Callahan
patent: 4377329 (1983-03-01), Poler
patent: 4418431 (1983-12-01), Feaster
patent: 4424597 (1984-01-01), Schlegel
patent: 4494254 (1985-01-01), Lopez
"Planned Extracapsular Cataract Extraction and the Insertion of the Lindstrom Centrex Style 20 Posterior Chamber Lens" by Richard L. Lindstrom, (Paper copyright by Richard L. Lindstrom, 1981), pp. 1-11.
Advertisement Brochure by Cilco, (6 pages), Oct. 1982, pp. 1, 4 & 6 cited, Cilco, Inc., 1616 13th Ave., Box 1680, Huntington, W.Va. 25717.
Published PCT Application (PCT/US82/01538), International Publication No. WO83/01568, May 11, 1983, Grendahl et al.
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