Patent US4633296A successfully refreshed from Google Patents.
EP0241838A2
Expired / Lapsed
EP
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Antithrombogenic material
Assignee: Saitama Daiichi Pharmaceutical Co Ltd
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Filing: 1987-04-06
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Granted: —
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Expires: 2007-04-06
Abstract
Abstract An antithrombogenic material is described, comprising an expanded polytetrafluoroethylene base having a collagen layer provided on the surface thereof, and further provided thereon a composite layer of collagen and a mucopolysaccharide, and said collagen is crosslinked with a crosslinking agent.
Inventors
- 👤 Makoto Kodama
- 👤 Tsukasa Sakai
- 👤 Keishiro Tsuda
- 👤 Koichi Okita
- 👤 Shigeru Asako
- 👤 Masaharu Komamiya
- 👤 Hiroshi Oinuma
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-24 21:52
CPC Classifications
A; A61; A61L; A61L33/00; A61L33/0005; A61L33/0011; A61L33/0029; A61L33/06; A61L33/062; Y; Y10; Y10S; Y10S128/00; Y10S128/08
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
38 words
An antithrombogenic material comprising an expanded polytetrafluoroethylene base having a collagen layer provided on the surface thereof, and further provided thereon a composite layer of collagen and a mucopolysaccharide, and said collagen is crosslinked with a crosslinking agent.
Claim 2
Dependent Claim
38 words
An antithrombogenic material comprising an expanded polytetrafluoroethylene base having a collagen layer provided on the surface thereof, and further provided thereon a composite layer of collagen and a mucopolysaccharide, and said collagen is crosslinked with a crosslinking agent.
Claim 3
Dependent Claim
16 words
An antithrombogenic material as in claim l, wherein said crosslinking agent is a polyvalent aldehyde compound.
Claim 4
Dependent Claim
21 words
An antithrombogenic material as in claim 2, wherein said polyvalent aldehyde compound is at least one of glutaraldehyde and dialdehyde starch.
Claim 5
Dependent Claim
27 words
An antithrombogenic material as in claim l, wherein said mucopolysaccharide is selected form the group consisting of heparin, hyaluronic acid, a chondroitin sulfate, and a mixture thereof.
References Cited (Backward Citations)
No citation records indexed.
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