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    MEDICAL IMPLANT COMPONENT COMPRISING A COMPOSITE BIOTEXTILE AND METHOD OF MAKING
    6.
    发明公开
    MEDICAL IMPLANT COMPONENT COMPRISING A COMPOSITE BIOTEXTILE AND METHOD OF MAKING 审中-公开

    公开(公告)号：EP4215223A1

    公开(公告)日：2023-07-26

    申请号：EP23152527.0

    申请日：2020-03-02

    申请人： DSM IP Assets B.V.

    发明人： De BONT, Nicolaes Hubertus Maria ,  DAVISON, Noel L. ,  WIERMANS, Mandy Maria Jozefina

    IPC分类号： A61L27/16 ,  A61L27/34 ,  C08L23/06 ,  C08L75/04

    摘要： Disclosed herein is a medical implant component comprising a composite biotextile, which biotextile comprises i) a polyolefin fibrous construct comprising at least one strand with titer of 2-250 dtex, tensile strength of at least 10 cN/dtex and comprising high molar mass polyolefin fibers and ii) a coating comprising a biocompatible and biostable polyurethane elastomer comprising a polysiloxane segment and/or having one or more hydrophobic endgroups, wherein the polyurethane coating is present on at least part of the surface of the biotextile and in an amount of 2.5-90 mass% based on composite biotextile. Such composite biotextile, like a partly coated woven fabric, shows an advantageous combination of good biocompatibility, especially hemocompatibility, high strength and pliability, and laser cuttability; allowing to make pieces of fabric having well-defined regular edges that have high suture retention strength.
    The invention also provides a method of making said composite biotextile. Further embodiments concern the use of such biotextile in or as medical implant component for an implantable medical device and the use of such medical implant component in making an implantable medical device; such as in orthopedic applications and cardiovascular implants. Other embodiments include such medical devices or implants comprising said medical implant component.