Apparatus and method for protecting prosthetic joint...

A - Human Necessities – 61 – F

Patent

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A61F 2/30 (2006.01) A61L 27/16 (2006.01) A61B 17/06 (2006.01) A61F 2/00 (2006.01) A61F 2/32 (2006.01) A61F 2/34 (2006.01) A61F 2/36 (2006.01) A61F 2/46 (2006.01)

Patent

CA 2165813

The disclosure relates to a tissue and debris barrier for use in association with implanted joint replacement devices. The barrier comprises a biocompatible mem- brane that is is impermeable to debris. The membrane de- fines an aperture which is positioned about a component of the joint replacement prosthesis. The periphery of the membrane may be mechanically attached by suturing to adjacent tissue or may be provided with areas of selected porosity to promote tissue adherence. The barrier permits full motion of the replacement joint while preventing or impeding tissue and debris from migrating to and from bone implant interfaces.

L'invention concerne une barrière imperméable aux tissus et aux débris, utilisée en association avec des prothèses d'articulations, après implantation. La barrière comprend une membrane biocompatible qui est imperméable aux débris. La membrane délimite une ouverture qui est positionnée autour d'un composant de la prothèse d'articulation. La périphérie de la membrane peut être fixée mécaniquement par des sutures au tissu adjacent ou elle peut être pourvue de zones avec une porosité sélectionnée pour favoriser l'adhérence du tissu. La barrière permet un mouvement complet de la prothèse d'articulation, tout en empêchant ou en limitant la migration de tissu et de débris à destination et en provenance des interfaces os-implant.

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