Patent US4692919A successfully refreshed from Google Patents.
Patent US3711870A successfully refreshed from Google Patents.
US3711870A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Artificial lens implant
Assignee: Individual
•
Filing: 1971-12-07
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Granted: 1973-01-23
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Expires: 1991-12-07
Abstract
Abstract A lens suitable for implantion in the eye is provided with a resilient flange and the flange is sutured to the ciliary muscle of the eye to position and retain the lens in the same position as the original lens.
Inventors
- 👤 R Deitrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:41
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/02; A61F2/14; A61F2/16; A61F2002/1681
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
97 words
A lens for implantation in the posterior chamber of the eye in the same position as the original lens, comprising: a resilient flange tenaciously bonded to the lens, said lens and said flange being made from material that is non-toxic and nonirritating to the eye, said resilient flange extending continuously around the outer periphery of said lens and being sized for close contact with the ciliary muscle of the eye, whereby said flange is adapted to be sutured to the ciliary muscle of the eye to retain the lens in the same position as the original lens.
Claim 2
Dependent Claim
97 words
A lens for implantation in the posterior chamber of the eye in the same position as the original lens, comprising: a resilient flange tenaciously bonded to the lens, said lens and said flange being made from material that is non-toxic and nonirritating to the eye, said resilient flange extending continuously around the outer periphery of said lens and being sized for close contact with the ciliary muscle of the eye, whereby said flange is adapted to be sutured to the ciliary muscle of the eye to retain the lens in the same position as the original lens.
Claim 3
Dependent Claim
12 words
The lens of claim 1 wherein the flange is an adhesive silicone.
References Cited (Backward Citations)
US2952023A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-01-23 | 1976-07-24 | 1977-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-23 | 1980-07-24 | 1981-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-23 | 1984-07-24 | 1985-01-23 | $7700.00 | Window Closed / Lapsed |