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EP0128043A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Treated collagen based surgical threads

Assignee: Ethicon Inc
•
Filing: 1984-06-05
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Granted: —
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Expires: 2004-06-05
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Abstract

Abstract A collagen-based surgical thread is disclosed which contains absorbed therein water, a hygroscopic agent, and a nonionic surfactant in an amount sufficient to enhance the pliability of the thread, and, in many cases, the tie down performance.

Inventors

  • 👤 Alastair Wilson Hunter
  • 👤 Simon Bogdansky

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-10-22 21:57
CPC Classifications
A; A61; A61L; A61L17/00; A61L17/14; A61L17/145

Claims Analysis

Total Claims: 11
Claim 1
Independent Claim 26 words
A collagen-based surgical thread containing absorbed therein water, a hygroscopic agent, and a nonionic surfactant in an amount sufficient to enhance the pliability of said thread.
Claim 2
Dependent Claim 26 words
A collagen-based surgical thread containing absorbed therein water, a hygroscopic agent, and a nonionic surfactant in an amount sufficient to enhance the pliability of said thread.
Claim 3
Dependent Claim 16 words
The collagen-based thread of claim 1 wherein said thread is a surgical gut suture or ligature.
Claim 4
Dependent Claim 16 words
The coilagen-based surgical thread of claim 1 or claim 2 wherein said hygroscopic agent is glycerol.
Claim 5
Dependent Claim 19 words
The collagen-based surgical thread of any one of claims 1 -to 3 wherein the thread also contains isopropyl alcohol.
Claim 6
Dependent Claim 21 words
The collagen-based surgical thread of any one of claims 1 to 4 wherein said nonionic surfactant is a polyoxyethylene/polyoxypropylene block copolymer.
Claim 7
Dependent Claim 33 words
A process for producing a flexible collagen based surgical thread having good pliability properties, which comprises immersing a collagen based thread in a solution of water, a hygroscopic agent, and a nonionic surfactant.
Claim 8
Dependent Claim 33 words
A process for producing a flexible collagen based surgical thread having good pliability properties, which comprises immersing a collagen based thread in a solution of water, a hygroscopic agent, and a nonionic surfactant.
Claim 9
Dependent Claim 12 words
The process of claim 6 wherein said solution also contains isopropyl alcohol.
Claim 10
Dependent Claim 16 words
The process of claim 6 or claim 7 wherein the surfactant is a polyoxyethylene/polyoxypropylene block copolymer.
Claim 11
Dependent Claim 23 words
A sterile package comprising the sterile collagen based surgical thread of any one of claims 1 to 5 contained in a sealed package.

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