Patent US2084468A successfully refreshed from Google Patents.
US5425762A
Expired / Lapsed
US
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Prosthetic implants and process for obtaining the same
Assignee: Individual
•
Filing: 1993-06-01
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Granted: 1995-06-20
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Expires: 2013-06-01
Abstract
Abstract A surgically implantable prosthetic device wherein dry particles of hydrogel/silicone combinations are contained within an envelope. The dry character of the device allows it to be sterilized without adverse affect, while injection of water or physiological fluid after implantation causes it to swell to proper size and texture.
Inventors
- 👤 Guy-Henri Muller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:57
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/02; A61F2/12; A61F2210/00; A61F2210/0061
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
45 words
A surgically implantable prosthesis, comprising: an envelope; and a plurality of individual dry particles contained within said envelope wherein each particle consists of a hydrogel intimately associated with silicone whereby injection of a water or physiological fluid into said envelope causes said particles to swell.
Claim 2
Dependent Claim
45 words
A surgically implantable prosthesis, comprising: an envelope; and a plurality of individual dry particles contained within said envelope wherein each particle consists of a hydrogel intimately associated with silicone whereby injection of a water or physiological fluid into said envelope causes said particles to swell.
Claim 3
Dependent Claim
22 words
The surgically implantable prosthesis of claim 1, characterized in that each dry particle is a granule of silicone coated with said hydrogel.
Claim 4
Dependent Claim
21 words
Implant according to claim 1, characterized in that each dry particle is a porous microsphere of silicone impregnated with said hydrogel.
Claim 5
Dependent Claim
33 words
Implant according to claim 1, characterized in that each dry particle is a granule of an hybrid hydrogel obtained by copolymerization between said hydrogel and said silicone wherein said silicone is a polysiloxane.
Claim 6
Dependent Claim
23 words
The surgically implantable prosthesis of claim 1, characterized in that said hydrogel is biodegradable, its degradation products being non-toxic for the human organism.
Claim 7
Dependent Claim
36 words
Implant according to any of claim 4, characterized in that the hydrogel is not biodegradable and as a result of said copolymerization, is bonded to said silicone, wherein said hybrid hydrogel can be removed by suction.
Claim 8
Dependent Claim
38 words
The surgically implantable prosthesis of claim 1, characterized in that the envelope is a thin membrane made of silicone elastomer that is self-healing pursuant to being temporarily pierced by a needle for injection of water or physiological serum.
Claim 9
Dependent Claim
25 words
The surgically implantable prosthesis of claim 1, characterized in that the external envelope is a self-healing membrane made of a copolymer of hydrogel and silicone.
References Cited (Backward Citations)
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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) | 1998-06-19 | 1998-12-19 | 1999-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2002-06-19 | 2002-12-19 | 2003-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2006-06-19 | 2006-12-19 | 2007-06-20 | $7700.00 | Window Closed / Lapsed |