US4728331A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Endo-extracorporeal implant and fibro-inductive and/or osteo-inductive seal therefor
Assignee: Individual
•
Filing: 1985-08-29
•
Granted: 1988-03-01
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Expires: 2005-08-29
Abstract
Abstract A physiological joint of dental material is provided around an implant for dental or nondental purposes as a fibro-inductor or osteoinductor promoting growth from surrounding tissue to bond the implant in the organism while preventing incursion of bacteria.
Inventors
- 👤 Jean-Jacques Russier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:57
CPC Classifications
A; A61; A61C; A61C8/00; A61C8/0003; A61C8/0004; A61C8/0006; A61K; A61K6/00; A61K6/20; A61K6/80; A61K6/884
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
108 words
A device for implantation in an animal organism having bone tissue covered by connective tissue, said device comprising: an implant adapted to penetrate into said bone tissue and having a shank extending through said connective tissue and projecting therefrom; a sleeve affixed to said shank and surrounding same over a portion of the length of said shank within said connective tissue, said sleeve having an outwardly projecting annular flange juxtaposed with said bone tissue; and an annular body of a fibroinductive material of dental origin affixed to and mounted on said sleeve in direct contact with said connective tissue and separated by said flange from said bone tissue.
Claim 2
Independent Claim
108 words
A device for implantation in an animal organism having bone tissue covered by connective tissue, said device comprising: an implant adapted to penetrate into said bone tissue and having a shank extending through said connective tissue and projecting therefrom; a sleeve affixed to said shank and surrounding same over a portion of the length of said shank within said connective tissue, said sleeve having an outwardly projecting annular flange juxtaposed with said bone tissue; and an annular body of a fibroinductive material of dental origin affixed to and mounted on said sleeve in direct contact with said connective tissue and separated by said flange from said bone tissue.
Claim 3
Dependent Claim
15 words
The device defined in claim 1 wherein said annular body is generally of conical shape.
Claim 4
Dependent Claim
30 words
The device defined in claim 2 wherein said implant has a spike engaging in said bone tissue and said shank is cylindrical and of a smaller diameter than said spike.
Claim 5
Dependent Claim
34 words
The device defined in claim 1 wherein said body is composed of at least one material selected from the group which consists of dentine, dentine organic material, dental enamel and dental enamel organic matrix.
Claim 6
Dependent Claim
14 words
The device defined in claim 4 wherein said body further comprises fibronectin or collagen.
Claim 7
Dependent Claim
21 words
The device defined in claim 1, further comprising a ring of an osteoinductive material between said flange and said bone tissue.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-03-01 | 1991-08-31 | 1992-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-03-01 | 1995-08-31 | 1996-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-03-01 | 1999-08-31 | 2000-03-01 | $7700.00 | Window Closed / Lapsed |