Patent US5147383A successfully refreshed from Google Patents.
US5147383A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Suture coated with a polyvinyl ester
Assignee: Ethicon Inc
•
Filing: 1991-11-12
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Granted: 1992-09-15
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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 01:16
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.
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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) | 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 |