Patent US29039A successfully refreshed from Google Patents.
US3883902A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable volume prosthetic assembly
Assignee: Medical Engineering Corp
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Filing: 1973-12-26
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Granted: 1975-05-20
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Expires: 1993-12-26
Abstract
Abstract A surgically implantable variable volume prosthetic assembly including a first flexible implantable prosthesis having an outer shape approximating that of the human breast, a second flexible container or reservoir having a volume greater than the volume of the first prosthesis with a silicone gel completely filling the reservoir and means for sealingly connecting the reservoir to the prosthesis, the reservoir being squeezed to force the gel into the prosthesis after implantation, the connecting means can be severed and sutured to the back of the prosthesis or a valve can be provided in the connecting means to seal the reservoir and implant during storage and after inflation.
Inventors
- 👤 Henry W Lynch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:47
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/02; A61F2/12; Y; Y10; Y10S; Y10S128/00; Y10S128/21
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
109 words
A closed system variable volume prosthetic assembly comprising: a first flexible container adapted to be implanted in the body, a second flexible container having a volume greater than the volume of said first container, a silicone gel completely filling said second container, a tube sealingly connecting said second container to said first container whereby said gel can be squeezed from said second container into said first container after implantation of said first container and said assembly can be autoclaved prior to implant without contaminating the gel, and valve means within said tube for movement to a position closing the tube after the gel has been forced into said container.
Claim 2
Dependent Claim
109 words
A closed system variable volume prosthetic assembly comprising: a first flexible container adapted to be implanted in the body, a second flexible container having a volume greater than the volume of said first container, a silicone gel completely filling said second container, a tube sealingly connecting said second container to said first container whereby said gel can be squeezed from said second container into said first container after implantation of said first container and said assembly can be autoclaved prior to implant without contaminating the gel, and valve means within said tube for movement to a position closing the tube after the gel has been forced into said container.
Claim 3
Dependent Claim
39 words
The assembly according to claim 1 wherein said valve means comprises an enlarged section connected to one end of said tube and a plug positioned in said enlarged section and being movable into said tube for blocking the tube.
Claim 4
Dependent Claim
112 words
A closed variable volume prosthetic assembly comprising: a shell having the shape of a part of the body to be replaced, a reservoir having a volume at least equal to the volume of said container, a medical grade gel filling said reservoir, tube means connecting said reservoir to said shell to form a closed completely sealed container for transporting and storing said gel, and valve means in said tube means for closing said tube means after the gel has been forced into said shell whereby said assembly can be autoclaved prior to use and said reservoir can be squeezed to force the gel from said reservoir into said shell after the implantation.
Claim 5
Dependent Claim
112 words
A closed variable volume prosthetic assembly comprising: a shell having the shape of a part of the body to be replaced, a reservoir having a volume at least equal to the volume of said container, a medical grade gel filling said reservoir, tube means connecting said reservoir to said shell to form a closed completely sealed container for transporting and storing said gel, and valve means in said tube means for closing said tube means after the gel has been forced into said shell whereby said assembly can be autoclaved prior to use and said reservoir can be squeezed to force the gel from said reservoir into said shell after the implantation.
Claim 6
Dependent Claim
41 words
The assembly according to claim 3 wherein said valve means includes a plug in said tube means, said plug having a head for closing said container after implant and an enlarged member for closing said tube after removal from said container.
Claim 7
Dependent Claim
29 words
The assembly according to claim 4 wherein said plug includes a reduced diameter section between said head and enlarged member to indicate the cut off line for said tube.
Claim 8
Dependent Claim
87 words
A sealed variable volume prosthetic assembly comprising: a flexible container adapted to be implanted in the body, a flexible reservoir having a volume greater than the volume of said container, a medical grade gel filling said reservoir, tube means for sealing said reservoir to said container whereby said gel can be squeezed from said reservoir into said container after implantation of said container in the body, and plug means in said tube means for closing said container and said reservoir after separating the reservoir from the container.
Claim 9
Dependent Claim
87 words
A sealed variable volume prosthetic assembly comprising: a flexible container adapted to be implanted in the body, a flexible reservoir having a volume greater than the volume of said container, a medical grade gel filling said reservoir, tube means for sealing said reservoir to said container whereby said gel can be squeezed from said reservoir into said container after implantation of said container in the body, and plug means in said tube means for closing said container and said reservoir after separating the reservoir from the container.
Claim 10
Dependent Claim
56 words
The assembly according to claim 6 wherein said tube means includes a first tube having one end sealed to said container and a second tube having one end connected to said reservoir and the other end to said first tube so that said plug means can be moved through said first tube to close said container.
Claim 11
Dependent Claim
28 words
The assembly accordiNg to claim 7 wherein said closing means comprises a plug having a head for sealing the container and a second portion for sealing the tube.
Claim 12
Dependent Claim
65 words
The assembly according to claim 7 wherein said first tube includes an open enlarged diameter section at said one end disposed within said container and a closed enlarged diameter section at the said other end, and said plug means is disposed in said tube for movement into said closed section, said plug means being movable through said tube into the open section in the container.
Claim 13
Dependent Claim
27 words
The assembly according to claim 9 wherein said plug means includes a head for closing the open section and an enlarged diameter member for closing said tube.
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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) | 1978-05-19 | 1978-11-18 | 1979-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-05-19 | 1982-11-18 | 1983-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-05-19 | 1986-11-18 | 1987-05-20 | $7700.00 | Window Closed / Lapsed |