Mesh comprising ecm

A - Human Necessities – 61 – L

Patent

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Details

A61L 27/36 (2006.01) A61L 27/34 (2006.01) A61L 27/48 (2006.01) A61L 27/56 (2006.01) A61L 27/58 (2006.01) A61L 31/00 (2006.01) A61L 31/10 (2006.01) A61L 31/12 (2006.01) A61L 31/14 (2006.01)

Patent

CA 2679295

Herein is disclosed the utility of discontinuous regions of Extraceullar Matrix Proteins (ECM) in promoting cell growth in a Mesh. When the described scaffolds are applied on top of inert materials, cell in-growth is promoted and the attachment of the mesh is properly secured. In one aspect, the mesh has a side with reduced cellular in-growth and a side with enhanced in-growth. Combining inert materials with cell attractive materials such as ECM can do this. This is particularly advantageous for use as hernia implant. Here, the mesh should adhere only to the abdominal wall (on one side of the mesh) without adhering to the intestines. In one aspect of the invention, the inert material is elongated and coated on both ends. This is particularly advantageous for use as slings. Here, the mesh will adhere to the anchorage points in the ends of the sling, and still allow urethral redistribution as a consequence of bladder emptying.

L'invention concerne l'utilité de régions discontinues de Protéine de Matrice Extracellulaire (ECM) pour favoriser la croissance cellulaire dans une maille. Lorsque les échafaudages décrits sont appliqués sur la partie supérieure de matériaux inertes, la croissance interne des cellules est favorisée et la fixation de la maille est assurée de façon appropriée. Sous un aspect, un côté de la maille présente une croissance cellulaire interne réduite et un côté une croissance interne accrue, ce qui est effectué grâce à la combinaison de matériaux inertes avec des matériaux d'attraction des cellules tels que les ECM. Ceci est particulièrement avantageux pour une utilisation comme implant de hernie. Ici, la maille devrait adhérer uniquement à la paroi abdominale (sur un côté de la maille) sans adhérer aux intestins. Sous un aspect de l'invention, le matériau inerte est allongé et revêtu sur ses deux extrémités, ce qui est particulièrement avantageux pour l'utilisation comme frondes. Ici, la maille adhèrera aux points d'ancrage dans les extrémités de la fronde et permet toujours une redistribution urétrale après vidage de la vessie.

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