Patent US3971073A successfully refreshed from Google Patents.
US3971073A
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Artificial intraocular lens
Assignee: American Optical Corp
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Filing: 1975-04-09
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Granted: 1976-07-27
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Expires: 1995-04-09
Abstract
Abstract A lens suitable for implantation in the eye is provided with rearwardly disposed laterally extending iris clips anchored inwardly of the lens perimeter within openings extending forwardly into the lens from its rear surface.
Inventors
- 👤 William Richards
- 👤 Bernard Grolman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:22
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/02; A61F2/14; A61F2/16; A61F2/1602; A61F2/1605; A61F2/1608; A61F2002/1681; A61F2002/1683; A61F2002/1686
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
129 words
A pseudophakos comprising: a lens; an array of wire anterior and posterior iris clips; a number of openings extending into one side of said lens, each located a substantial distance inwardly of the lens edge; each anterior iris clip of said array having its opposite ends extended into and anchored within one of a preselected pair of said openings, said anterior clip being bent adjacent said lens surface to extend from said pair of openings laterally of said lens; each posterior iris clip of said array having its opposite ends also extended into and anchored within one of a preselected pair of said openings, said posterior clip being further extended a substantial distance away from said side of said lens and thence bent to extend laterally of said lens.
Claim 2
Dependent Claim
129 words
A pseudophakos comprising: a lens; an array of wire anterior and posterior iris clips; a number of openings extending into one side of said lens, each located a substantial distance inwardly of the lens edge; each anterior iris clip of said array having its opposite ends extended into and anchored within one of a preselected pair of said openings, said anterior clip being bent adjacent said lens surface to extend from said pair of openings laterally of said lens; each posterior iris clip of said array having its opposite ends also extended into and anchored within one of a preselected pair of said openings, said posterior clip being further extended a substantial distance away from said side of said lens and thence bent to extend laterally of said lens.
Claim 3
Dependent Claim
50 words
A pseudophakos according to claim 1 wherein said openings extending into said one side of said lens are of such precontrolled size and shape as to each relatively intimately receive one end of each of a pair of anterior and posterior iris clips for simultaneous anchoring thereof in said lens.
Claim 4
Dependent Claim
33 words
A pseudophakos according to claim 2 wherein one end of each of a pair of anterior and posterior iris clips is extended into and anchored within each of said openings in said lens.
Claim 5
Dependent Claim
45 words
A pseudophakos according to claim 3 wherein said openings are disposed successively and substantially equally spaced apart in a circular pattern and said anterior and posterior iris clips are extended alternately from one of said openings to the next adjacent openings in said succession thereof.
Claim 6
Dependent Claim
34 words
A pseudophakos according to claim 2 wherein the corresponding opposite ends of each of a pair of anterior and posterior iris clips are anchored in a single pair of said openings of precontrolled size.
Claim 7
Dependent Claim
24 words
A pseudophakos according to claim 1 wherein the wire of each anterior and posterior iris clip is formed into the configuration of a loop.
Claim 8
Dependent Claim
22 words
A pseudophakos according to claim 1 wherein the wire of each anterior iris clip is formed into the configuration of a strut.
Claim 9
Dependent Claim
26 words
A pseudophakos according to claim 1 wherein said anterior iris clips are formed of a plastic material and said posterior iris clips are formed of metal.
Claim 10
Dependent Claim
19 words
A pseudophakos according to claim 1 wherein said anterior and posterior iris clips are all formed of a metal.
Claim 11
Dependent Claim
20 words
A pseudophakos according to claim 1 wherein said anterior and posterior iris clips are all formed of a plastic material.
References Cited (Backward Citations)
US3673616A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-07-27 | 1980-01-26 | 1980-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-07-27 | 1984-01-26 | 1984-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-07-27 | 1988-01-26 | 1988-07-27 | $7700.00 | Window Closed / Lapsed |