US4457757A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for draining aqueous humour
Assignee: Individual
•
Filing: 1981-07-20
•
Granted: 1984-07-03
•
Expires: 2001-07-20
Abstract
Abstract Ridged plates, concave on one side, match the curvature of the sclera of an eyeball to which they are fitted in side by side fashion. The plates each include an outwardly projecting ridge encompassing a space. A first tube extends between the plates to communicate the spaces and a second tube communicates one space through the sclera with the interior chamber of the eye.
Inventors
- 👤 Anthony C. B. Molteno
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:21
CPC Classifications
A; A61; A61M; A61M27/00; A61F; A61F9/00; A61F9/007; A61F9/00781
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
174 words
A device for draining aqueous humour from an eye comprising first and second ridged bodies which are adapted for side by side attachment to the sclera of one eye, each ridged body having disposed thereon, on the surface thereof opposite that deposited on the sclera, a ridge so as to extend outwardly of the eyeball when said attachment is made, and encompassing a space, a first tube extending between the ridged bodies and communicating with said spaces encompassed by the ridges, and a second tube communicating with said space encompassed by the ridge of the first ridged body and being sufficiently long to communicate through the sclera with the anterior chamber of the eye to which the ridged bodies are attached, said ridged bodies comprising plates each having on one side, said ridge, said plates being imperforate internally of said ridge, said plates on their other sides being concavely curved so as to closely match the sclera of an eyeball and said device being sized to fit on said sclera of said single eye.
Claim 2
Independent Claim
174 words
A device for draining aqueous humour from an eye comprising first and second ridged bodies which are adapted for side by side attachment to the sclera of one eye, each ridged body having disposed thereon, on the surface thereof opposite that deposited on the sclera, a ridge so as to extend outwardly of the eyeball when said attachment is made, and encompassing a space, a first tube extending between the ridged bodies and communicating with said spaces encompassed by the ridges, and a second tube communicating with said space encompassed by the ridge of the first ridged body and being sufficiently long to communicate through the sclera with the anterior chamber of the eye to which the ridged bodies are attached, said ridged bodies comprising plates each having on one side, said ridge, said plates being imperforate internally of said ridge, said plates on their other sides being concavely curved so as to closely match the sclera of an eyeball and said device being sized to fit on said sclera of said single eye.
Claim 3
Dependent Claim
25 words
A device as claimed in claim 1, characterized in that the plates are substantially circular and the ridges are raised rim portions of the plates.
Claim 4
Dependent Claim
33 words
A device as claimed in claim 1, characterized in that the ridged bodies each have a plurality of suture receiving holes through a portion thereof which is not encompassed by the said ridge.
Claim 5
Dependent Claim
33 words
A device as claimed in claim 3, characterized in that the holes are formed through the ridges of the ridged bodies so as not to communicate with the spaces encompassed by the ridges.
Claim 6
Dependent Claim
19 words
A device as claimed in claim 1, characterized in that the tubes are made of a physiologically inert material.
Claim 7
Dependent Claim
19 words
A device as claimed in claim 1, characterized in that the ridged bodies are made of physiologically inert material.
References Cited (Backward Citations)
US1246971A
Cited
US3726284A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-07-03 | 1988-01-02 | 1988-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-07-03 | 1992-01-02 | 1992-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-07-03 | 1996-01-02 | 1996-07-03 | $7700.00 | Window Closed / Lapsed |