US4621638A
Expired / Lapsed
US
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Hard elastic sutures
Assignee: Technology Holding Co II
•
Filing: 1985-07-15
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Granted: 1986-11-11
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Expires: 2005-07-15
Abstract
Abstract A surgical suture made of a polymer filament having the "hard" elastic properties of reversible elasticity and retention of diameter on stretching.
Inventors
- 👤 Thomas A. Silvestrini
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:42
CPC Classifications
A; A61; A61L; A61L17/00; A61L17/04; A61B; A61B17/00; A61B17/04; A61B17/06; A61B17/06166; A61B2017/0618
Claims Analysis
Total Claims: 24
Claim 1
Independent Claim
15 words
A surgical suture comprising at least one sterile hard elastic filament of a body-compatible polymer.
Claim 2
Dependent Claim
15 words
A surgical suture comprising at least one sterile hard elastic filament of a body-compatible polymer.
Claim 3
Dependent Claim
13 words
A surgical suture as in claim 1 wherein the suture is a monofilament.
Claim 4
Dependent Claim
25 words
A surgical suture as in claim 2 wherein the polymer is selected from the group consisting of polypropylene, poly(butene- 1), ethylene-butylene copolymer, nylon and polyester.
Claim 5
Dependent Claim
15 words
A surgical suture as in claim 3 wherein the monofilament is 0.020-0.039 mm in diameter.
Claim 6
Dependent Claim
15 words
A surgical suture as in claim 2 wherein the monofilament is 0.05-0.199 mm in diameter.
Claim 7
Dependent Claim
24 words
A surgical suture as in claim 2 wherein the polymer is polypropylene or poly(butene-1) and the Young's modulus of the filament is 0.25-5.0 g/denier.
Claim 8
Dependent Claim
14 words
A surgical suture as in claim 1 wherein the suture is a multifilament suture.
Claim 9
Dependent Claim
24 words
A surgical suture as in claim 7 wherein the polymer is selected from the group consisting of polypropylene, poly(butene-1), ethylene-butylene copolymer, nylon and polyester.
Claim 10
Dependent Claim
15 words
A surgical suture as in claim 8 wherein the multifilament suture is a braided suture.
Claim 11
Dependent Claim
14 words
A surgical suture as in claim 1 wherein the polymer is a body-absorbable polymer.
Claim 12
Dependent Claim
24 words
A surgical suture as in claim 10 wherein the polymer is selcted from the group consisting of polyhydroxybutyric acid, polyglycolic acid and polylactic acid.
Claim 13
Dependent Claim
22 words
A needled surgical suture comprising at least one sterile hard elastic filament of a body-compatible polymer attached to a sterile surgical needle.
Claim 14
Dependent Claim
22 words
A needled surgical suture comprising at least one sterile hard elastic filament of a body-compatible polymer attached to a sterile surgical needle.
Claim 15
Dependent Claim
15 words
A needled surgical suture as in claim 12 wherein the polymer is polypropylene or poly(butene-1).
Claim 16
Dependent Claim
27 words
A surgical suture package comprising a sterile enclosure containing a sterile needled surgical suture, the suture comprising at least one hard elastic filament of a body-compatible polymer.
Claim 17
Dependent Claim
27 words
A surgical suture package comprising a sterile enclosure containing a sterile needled surgical suture, the suture comprising at least one hard elastic filament of a body-compatible polymer.
Claim 18
Dependent Claim
15 words
A surgical suture package as in claim 14 wherein the polymer is polypropylene or poly(butene-1).
Claim 19
Independent Claim
19 words
A method of suturing by stitching with at least one sterile hard elastic filament made of a body-compatible polymer.
Claim 20
Independent Claim
19 words
A method of suturing by stitching with at least one sterile hard elastic filament made of a body-compatible polymer.
Claim 21
Dependent Claim
23 words
A method as in claim 16 wherein the polymer is selected from the group consisting of polypropylene, poly(butene-1), ethylene-butylene copolymer, nylon and polyester.
Claim 22
Dependent Claim
19 words
A method as in claim 17 wherein the polymer is polypropylene and the filament is 0.020-0.039 mm. in diameter.
Claim 23
Dependent Claim
16 words
A method as in claim 17 wherein the filament has a Young's modlus of 0.25-5.0 g/denier.
Claim 24
Dependent Claim
14 words
A method as in claim 16 wherein said stitching is performed in corneal surgery.
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) | 1989-11-10 | 1990-05-12 | 1990-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-11-10 | 1994-05-12 | 1994-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-11-10 | 1998-05-12 | 1998-11-11 | $7700.00 | Window Closed / Lapsed |