US4139915A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Artificial intraocular lens
Assignee: American Optical Corp
•
Filing: 1977-03-21
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Granted: 1979-02-20
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Expires: 1997-03-21
Abstract
Abstract A lens suitable for implantation in the eye is provided with iris clips formed of plastic filaments each having at least one of its ends fastened to the lens. Ends of the clips to be fastened are ferruled for secure and permanent affixation.
Inventors
- 👤 William Richards
- 👤 Bernard Grolman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:12
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/02; A61F2/14; A61F2/16; A61F2/1602; A61F2/1605; A61F2/1608; A61F2002/1681; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49925; Y10T29/49927; Y10T29/49929
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
57 words
A pseudophakos comprising: a lens formed of materials suitable for implantation in the eye and having at least one opening extending thereinto; an iris clip formed of a filament of plastic materials; and a rigid ferrule affixed to at least one end of said clip, said ferrule being entered into said opening and secured against withdrawal therefrom.
Claim 2
Dependent Claim
57 words
A pseudophakos comprising: a lens formed of materials suitable for implantation in the eye and having at least one opening extending thereinto; an iris clip formed of a filament of plastic materials; and a rigid ferrule affixed to at least one end of said clip, said ferrule being entered into said opening and secured against withdrawal therefrom.
Claim 3
Dependent Claim
14 words
A pseudophakos according to claim 1 wherein said ferrule is swaged against said filament.
Claim 4
Dependent Claim
14 words
A pseudophakos according to claim 1 wherein said ferrule is crimped against said filament.
Claim 5
Dependent Claim
14 words
A pseudophakos according to claim 1 wherein said ferrule is fused to said filament.
Claim 6
Dependent Claim
76 words
A pseudophakos according to claim 1 wherein said ferrule is provided with a shank and an enlarged ball portion, an opening extending into said shank for receiving said end of said filament, said ball portion being of a diametral size greater than that initially afforded said opening in said lens and said ferrule being fixed against withdrawal by material of said lens having been displaced by said ball portion into tightly necked relationship about said shank.
Claim 7
Dependent Claim
49 words
A pseudophakos according to claim 1 wherein said ferrule is of tubular configuration and placed in said opening in said lens with said one end of said clip extended into said tubular ferrule; said end of said clip, ferrule, and adjacent material of said lens all being fused together.
Claim 8
Dependent Claim
16 words
A pseudophakos according to claim 2 wherein said swaged ferrule is additionally fused to said filament.
Claim 9
Dependent Claim
16 words
A pseudophakos according to claim 3 wherein said crimped ferrule is additionally fused to said filament.
References Cited (Backward Citations)
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US3866249A
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Cited
US3996626A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-02-19 | 1982-08-21 | 1983-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-02-19 | 1986-08-21 | 1987-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-02-19 | 1990-08-21 | 1991-02-20 | $7700.00 | Window Closed / Lapsed |