Patent US4362386A successfully refreshed from Google Patents.
Patent US4261065A successfully refreshed from Google Patents.
US4261065A
Expired / Lapsed
US
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Artificial intraocular lens with forward-positioned optics
Assignee: Iolab Corp
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Filing: 1979-07-27
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Granted: 1981-04-14
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Expires: 1999-07-27
Abstract
Abstract An artificial intraocular lens adapted to fixate in the sclera of the eye while positioned in the anterior chamber with supporting structure to prevent contact between the posterior surface of the lens and the iris, thus preventing postoperative glaucoma.
Inventors
- 👤 Jerald L. Tennant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:57
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/02; A61F2/14; A61F2/16; A61F2002/1681
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
131 words
An artificial lens adapted to be fixed into the sclera of the eye while positioned in the anterior chamber which comprises: (a) an arched unitary structural support adapted to lie entirely within said chamber having coplanar oppositely directed supporting feet which are of a length and dimension to extend to the boundary of said chamber and which are shaped to fix the position thereof within said chamber, and (b) an optical lens formed in said structural support anteriorly convex and posteriorly shaped for spacing the posterior surface of said lens about 0.75 millimeters above the plane of said feet for substantial clearance above the plane of said feet adapted to be positioned with the posterior surface of said lens substantially anterior to the iris of the eye to avoid contact therewith.
Claim 2
Dependent Claim
131 words
An artificial lens adapted to be fixed into the sclera of the eye while positioned in the anterior chamber which comprises: (a) an arched unitary structural support adapted to lie entirely within said chamber having coplanar oppositely directed supporting feet which are of a length and dimension to extend to the boundary of said chamber and which are shaped to fix the position thereof within said chamber, and (b) an optical lens formed in said structural support anteriorly convex and posteriorly shaped for spacing the posterior surface of said lens about 0.75 millimeters above the plane of said feet for substantial clearance above the plane of said feet adapted to be positioned with the posterior surface of said lens substantially anterior to the iris of the eye to avoid contact therewith.
Claim 3
Dependent Claim
57 words
The combination set forth in claim 1 in which said support structure and said lens are both unitary and homogeneous in composition with said support structure including an arch terminating in said feet, the toes of which are spaced apart forming cardioid shaped ends to hold the structure in situ in the anterior chamber of the eye.
Claim 4
Dependent Claim
67 words
The combination set forth in claim 1 in which said two feet extending in diametrically opposed directions away from said lens are interconnected by said arch in which said lens is formed, said arch having the form of a medial slice out of an inverted disc with a bottom shaped to be maintained in spaced relation anteriorly of the iris of the eye to avoid contact therewith.
Claim 5
Dependent Claim
35 words
An artificial lens as defined in claim 3 wherein the supporting members are solid arches interiorly dished spaced above the plane of said feet having parallel vertical sides tangent to the circumference of the lens.
Claim 6
Dependent Claim
26 words
An artificial lens as defined in claim 1 wherein said supporting structure comprises arches interiorly dished having convergent sides tangent to the circumference of the lens.
Claim 7
Dependent Claim
17 words
An artificial lens as defined in claim 1 wherein the edges of each said foot are rectilinear.
Claim 8
Dependent Claim
16 words
An artificial lens as defined in claim 1 wherein the posterior of said lens is planar.
Claim 9
Dependent Claim
112 words
An artificial lens adapted to be fixed into the sclera of the eye while positioned in the anterior chamber which comprises: an optical lens structure anteriorly convex and posteriorly planar; two diametrically opposed coplanar feet extending away from said lens; and two supporting members forming an arch and each unitary with said lens and rooted in said feet outside the perimeter of said lens and supporting said lens with the posterior thereof being positioned substantially anterior to the plane of said feet by spacing the posterior surface of said lens about 0.75 millimeters from the plane of said feet for avoiding contact between said posterior surface and the iris of the eye.
Claim 10
Dependent Claim
112 words
An artificial lens adapted to be fixed into the sclera of the eye while positioned in the anterior chamber which comprises: an optical lens structure anteriorly convex and posteriorly planar; two diametrically opposed coplanar feet extending away from said lens; and two supporting members forming an arch and each unitary with said lens and rooted in said feet outside the perimeter of said lens and supporting said lens with the posterior thereof being positioned substantially anterior to the plane of said feet by spacing the posterior surface of said lens about 0.75 millimeters from the plane of said feet for avoiding contact between said posterior surface and the iris of the eye.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-04-13 | 1984-10-13 | 1985-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-04-13 | 1988-10-13 | 1989-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-04-13 | 1992-10-13 | 1993-04-14 | $7700.00 | Window Closed / Lapsed |