US5147383A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Suture coated with a polyvinyl ester
Assignee: Ethicon Inc
•
Filing: 1991-11-12
•
Granted: 1992-09-15
•
Expires: 2011-11-12
Abstract
Abstract A surgical suture having a coating thereon of at least one polyvinyl ester, and a method for improving the knot tiedown performance of a suture by first coating a polyvinyl ester solution onto the surface of the suture and then removing the solvent from the coated suture.
Inventors
- 👤 Rao S. Bezwada
- 👤 Alastair W. Hunter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 00:06
CPC Classifications
A; A61; A61L; A61L17/00; A61L17/14; A61L17/145
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
36 words
A suture wherein the outer surface thereof is coated with at least one homopolymer of a vinyl ester monomer in an amount between about 0.3 to about 20 percent of the weight of the coated suture.
Claim 2
Dependent Claim
36 words
A suture wherein the outer surface thereof is coated with at least one homopolymer of a vinyl ester monomer in an amount between about 0.3 to about 20 percent of the weight of the coated suture.
Claim 3
Dependent Claim
19 words
The suture of claim 1 wherein the surface thereof is coated with one homopolymer of a vinyl ester monomer.
Claim 4
Dependent Claim
26 words
The suture of claim 2 wherein the homopolymer is represented by repeating units of the formula: ##STR2## where R is C 6-30 straight or branched alkyl.
Claim 5
Dependent Claim
12 words
The suture of claim 3 wherein R is C 14-18 straight alkyl.
Claim 6
Dependent Claim
11 words
The suture of claim 4 wherein the homopolymer is polyvinyl steasrate.
Claim 7
Dependent Claim
19 words
The issue of claim 5 wherein the molecular weight of the homopolymer is between about 200,00 and about 500,000.
Claim 8
Dependent Claim
22 words
The suture of claim 6 wherein the he suture is a monofilament or multifilament suture with or without one or more needles.
Claim 9
Dependent Claim
13 words
The suture of claim 7 wherein the he suture is a multifilament suture.
Claim 10
Dependent Claim
13 words
The suture of claim 8 wherein he multifilament suture is an nonabsorbable suture.
Claim 11
Dependent Claim
12 words
The suture of claim 9 wherein the he suture is a polyester.
Claim 12
Dependent Claim
11 words
The suture of claim 10 wherein the polyester is polyethylene terephthalate.
References Cited (Backward Citations)
US2072303A
Cited
US3942532A
Cited
US4027676A
Cited
US4124748A
Cited
US4201216A
Cited
US4185637A
Cited
US4693939A
Cited
US4844067A
Cited
US4983180A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1995-09-15 | 1996-03-16 | 1996-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-09-15 | 2000-03-16 | 2000-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-09-15 | 2004-03-16 | 2004-09-15 | $7700.00 | Window Closed / Lapsed |