US3681787A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Implantable breast prosthesis filled with gels of different densities
Assignee: MOXNESS PRODUCTS Inc
•
Filing: 1971-03-26
•
Granted: 1972-08-08
•
Expires: 1991-03-26
Abstract
Abstract A breast prosthesis having a porous polyester fabric for connecting the prosthesis to the chest wall and filled with layers of silicon gel material of varying viscosity to provide a more natural appearance of the breast.
Inventors
- 👤 Colette Perras
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:05
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/02; A61F2/12
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
15 words
The prosthesis according to claim 1 wherein said container is formed from an organopolysiloxane polycarbonate.
Claim 2
Dependent Claim
15 words
The prosthesis according to claim 1 wherein said strip is formed from a polyester fabric.
Claim 3
Dependent Claim
36 words
The prosthesis according to claim 1 wherein said silicone gel includes a liner of viscous gel around the outer section of said container and a less viscous gel provided inwardly of said liner of viscous gel.
Claim 4
Dependent Claim
24 words
The prosthesis according to claim 4 wherein said liner of said viscous gel is vulcanized to said container and to said less viscous gel.
Claim 5
Dependent Claim
82 words
A surgically implantable breast prosthesis comprising, a container formed from an organopolysiloxane polycarbonate and having an outer shape approximating that of the human breast, a solid rim tapered outwardly to a fine edge provided around the outer periphery of said container, a silicone gel filling the inside of the container, said gel being more viscous around the outer periphery than in the center of said container, and a fabric strip attached to the back of said rim to provide for tissue ingrowth.
Claim 6
Dependent Claim
37 words
The breast prosthesis according to claim 6 wherein said silicone gel includes a liner of viscous gel around the outer section of said container and a less viscous gel provided inwardly of said liner of viscous gel.
Claim 7
Dependent Claim
25 words
The breast prosthesis according to claim 7 wherein said liner of said viscous gel is vulcanized to said container and to said less viscous gel.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-08-08 | 1976-02-07 | 1976-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-08 | 1980-02-07 | 1980-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-08 | 1984-02-07 | 1984-08-08 | $7700.00 | Window Closed / Lapsed |