Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Eye prosthesis – Intraocular lens
Patent
1986-05-12
1987-12-08
Frinks, Ronald L.
Prosthesis (i.e., artificial body members), parts thereof, or ai
Eye prosthesis
Intraocular lens
128303R, A61F 216, A61B 1700
Patent
active
047116382
ABSTRACT:
Intraocular lens including a lens optic having two haptic loops secured substantially adjacent to each other near a common point of the lens optic, and extending about the lens optic to a position opposing the common point of securement about the lens optic. The haptic loops can include notches and positioning holes and the optics can include positioning holes. The mirror image haptic loops assume geometrical haptic configurations of circular segments substantially conforming equidistantly about the circumference of the lens, a two straight sided configuration with a connecting outwardly curved circular segment, a two straight sided configuration with a connecting inwardly curved circular segment, two circular segments with a connecting inverted circular segment, or three circular segments with two connecting inverted circular segments. The lens optics can be plano-convex, bi-convex, meniscus or other like optic configurations, including reversed optics. The lenses can be lathe cut or injection molded. The haptic loops can also be angled forward or planar. An insertion slide is included for assisting in inserting a lens into the eye.
REFERENCES:
patent: 4316293 (1982-02-01), Bayers
patent: 4363143 (1982-12-01), Callahan
patent: 4463458 (1984-08-01), Seidner
patent: 4477931 (1984-10-01), Kelman
patent: 4494254 (1985-01-01), Lopez
patent: 4600003 (1986-07-01), Lopez
Model PC-80 Posterior Chamber (Knolle) American Medical Optics (phamplet) 4 pages, Sep. 1982.
Lester Posterior Chamber Lens (advertisement brochure), 2 pages Intermedics Intraocular Inc., Aug. 1982.
Frinks Ronald L.
Jaeger Hugh D.
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