Quilted implantable graft

A - Human Necessities – 61 – L

Patent

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Details

A61L 27/24 (2006.01) A61L 27/36 (2006.01) A61L 27/58 (2006.01) B32B 5/26 (2006.01)

Patent

CA 2728240

Described are embodiments of a multi-laminate or multiple layer implantable surgical graft comprising remodelable collagenous sheet material, the graft including one or more interweaving members to stitch together the graft to help prevent the layers from delaminating or separating during handling and the initial stages of remodeling. The interweaving members may comprise lines of suture, thread, individual stitches, strips of material, etc. that are woven through the layers of biomaterial in a desired pattern. In one embodiment, the interweaving members comprise a pharmacologically active substance, such as a drug, growth factors, etc. to elicit a desired biological response in the host tissue. In another embodiment, the graft further comprises a reinforcing material, such as a synthetic mesh, within the layers of remodelable biomaterial and stitched together by one or more interweaving members.

L'invention concerne des modes de réalisation d'un greffon chirurgical implantable multistratifié ou multicouches comprenant un matériau de feuille collagène remodelable, le greffon comprenant un ou plusieurs éléments entrelacés afin d'assembler le greffon par suture pour contribuer à empêcher la délamination ou la séparation des couches pendant la manipulation et les étapes initiales de remodelage. Les éléments entrelacés peuvent comprendre des lignes de suture, des fils, des points de suture individuels, des bandes de matériau, etc. qui sont entrelacés à travers les couches de biomatériau selon un motif désiré. Dans un mode de réalisation, les éléments entrelacés comprennent une substance pharmacologiquement active, comme un médicament, des facteurs de croissance, etc. destinés à induire une réponse biologique désirée dans le tissu hôte. Dans un autre mode de réalisation, le greffon comprend en outre un matériau de renfort, comme une toile synthétique, à l'intérieur des couches de biomatériau remodelable et assemblé par suture avec un ou plusieurs des éléments entrelacés.

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