← Back to Patent Explorer
US4711638A Expired / Lapsed US ⏱️ 0.0 years remaining

Intraocular lens

Assignee: Individual
•
Filing: 1986-05-12
•
Granted: 1987-12-08
•
Expires: 2006-05-12
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

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.

Inventors

  • 👤 Richard L. Lindstrom

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 22:44
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/02; A61F2/14; A61F2/16; A61F2002/1681; A61F2002/1683

Claims Analysis

Total Claims: 6
Claim 1
Independent Claim 112 words
Intraocular lens comprising: a. lens optic; and b. two haptic loops, said haptic loops secured substantially adjacent to each other near a common point of securement at an edge of said lens optic and extending outwardly from said edge at an increasing angle, said haptic loops being symmetrical, double-opposing, cantilevered, compressible and mirror images of each other extending from said point of securement around and about said edge of said lens to a point substantially diametrically opposed from said point of securement for symmetrically supporting said lens in said eye, and each of said haptic loops including three semi-circular segments and two inward curved segments connecting each of said semi-circular segments together.
Claim 2
Dependent Claim 112 words
Intraocular lens comprising: a. lens optic; and b. two haptic loops, said haptic loops secured substantially adjacent to each other near a common point of securement at an edge of said lens optic and extending outwardly from said edge at an increasing angle, said haptic loops being symmetrical, double-opposing, cantilevered, compressible and mirror images of each other extending from said point of securement around and about said edge of said lens to a point substantially diametrically opposed from said point of securement for symmetrically supporting said lens in said eye, and each of said haptic loops including three semi-circular segments and two inward curved segments connecting each of said semi-circular segments together.
Claim 3
Dependent Claim 10 words
Lens of claim 1 wherein said lens optic is plano-convex.
Claim 4
Dependent Claim 10 words
Lens of claim 1 wherein said lens optic is bi-convex.
Claim 5
Dependent Claim 10 words
Lens of claim 1 wherein said lens optic is meniscus.
Claim 6
Dependent Claim 18 words
Lens of claim 1 including geometrical keyholes at the end of at least one of said haptic loops.

References Cited (Backward Citations)

FR1103399A Cited
US4316293A Cited
US4363143A Cited
US4494254A Cited
US4600003A Cited
US4463458A Cited
US4477931A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1990-12-07 1991-06-08 1991-12-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1994-12-07 1995-06-08 1995-12-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1998-12-07 1999-06-08 1999-12-08 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag