EP0334024A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Prosthetic tubular article
Assignee: Wyeth Holdings LLC
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Filing: 1989-02-20
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Granted: —
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Expires: 2009-02-20
Abstract
Abstract The invention involves the use of at least two different absorbable and at least two different nonabsorbable components to fabricate tubular articles of all sizes and specifically for repair of the peripheral vascular system and for coronary bypass use.
Inventors
- 👤 Barry Lee Dumican
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-23 18:21
CPC Classifications
A; A61; A61L; A61L17/00; A61L27/00; A61L27/50; A61L27/58; A61F; A61F2/00; A61F2/02; A61F2/04; A61F2/06; A61L27/14; A61L27/18; A61L27/26; A61L27/40; A61L27/44; A61L27/507; C; C08; C08G; C08G63/00; C08G63/64; C08L; C08L67/00; C08L67/04; C08L69/00; A61F2/30; A61F2002/30001; A61F2002/30003; A61F2002/30004; A61F2002/30032; A61F2002/30108; A61F2002/30199; A61F2002/30224; A61F2002/30235; A61F2230/00; A61F2230/0063; A61F2230/0069; A61F2250/00; A61F2250/0014; A61F2250/003; A61F2250/0031
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
25 words
A quadricomponent tubular article useful in prosthetic surgery having a plurality of fibers manufactured from at least two different absorbable and two different nonabsorbable polymers.
Claim 2
Dependent Claim
25 words
A quadricomponent tubular article useful in prosthetic surgery having a plurality of fibers manufactured from at least two different absorbable and two different nonabsorbable polymers.
Claim 3
Dependent Claim
34 words
The article of claim 1 comprising a vascular graft having at least one of the absorbable polymers being a copolymer, the copolymer comprising up to about 50% by weight of glycolic acid ester linkages.
Claim 4
Dependent Claim
32 words
The article of claim 1 or 2 wherein at least one of the nonabsorbable polymers is selected from the group consisting of a poly(C₂-C₁₀ alkylene terephthalate), poly(C₂-C₆ alkylene), polyamide, polyurethane, and polybutester.
Claim 5
Dependent Claim
33 words
The article of claim 2 wherein the copolymer is manufactured from the monomer glycolic acid and from one or none monomers selected from the group consisting of lactic acid, trimethylene carbonate and ε-caprolactone.
Claim 6
Dependent Claim
50 words
The article of claim 1 having a plurality of three different fibers, the first and second fibers manufactured from two different absorbable polymers, and the third fiber manufactured from a nonabsorbable polymer, the improvement comprising a fourth fiber, and the third and fourth fibers manufactured from two different nonabsorbable polymers.
Claim 7
Dependent Claim
30 words
The article of claim 5 wherein at least one of the absorbable polymers is selected from the group consisting of poly(glycolic acid), poly(lactic acid), polydioxanone, and blends of the same.
Claim 8
Dependent Claim
26 words
The article of claim 6 wherein at least the first, second and third fibers are separately texturized by either a false twist or a knit/deknit process.
Claim 9
Dependent Claim
70 words
The article of claim 6 comprising a vascular graft wherein the first fiber is manufactured from a copolymer of glycolic acid and trimethylene carbonate; the second fiber is manufactured from a homopolymer of glycolic acid; the third fiber is manufactured from a polymer selected from the group consisting of polyethylene terephthalate, polybutylene terephthalate, a polybutester, and blends of the same; and the fourth fiber is manufactured from a spandex polymer.
Claim 10
Dependent Claim
55 words
The knitted or woven article of claim 8 wherein the first fiber comprises about 35 to 55%; the second fiber comprises about 15 to 35%; the third fiber comprises about 10 to 20% of polyethylene terephthalate; and the fourth fiber comprises about 5 to 15%, all percentages based on the total weight of the article.
Claim 11
Dependent Claim
35 words
The article of claim 1 or 2 or 4 or 5 or 6 or 7 comprising an external support, said support having at least one fiber, said fiber helically wrapped and attached to said article.
References Cited (Backward Citations)
No citation records indexed.
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