Tissue scaffold anchor for cartilage repair

Details Tissue scaffold anchor for cartilage repair Tissue scaffold anchor for cartilage repair

A - Human Necessities

61

B

A61B 17/04 (2006.01) A61B 17/064 (2006.01) A61F 2/30 (2006.01) A61B 17/00 (2006.01) A61F 2/00 (2006.01) A61F 2/02 (2006.01) A61F 2/28 (2006.01) A61F 2/46 (2006.01)

Patent

CA 2372713

A device for attaching a tissue replacement scaffold to a bone has a platform positionable in substantially parallel relationship to the bone for retaining the tissue scaffold proximate to the bone. A post extends from the platform and is insertable into a hole formed in the bone. One or more ribs extend from a side surface of the post along a portion of its length. The ribs have an increasing cross-sectional area to establish an increasing interference fit relative to the hole in the bone tissue. The ribs have a sharp edge that grips the sides of the hole in the bone such that the ribs restrict rotation or withdrawal of the device.

La présente concerne un dispositif pour attacher un échafaudage de remplacement de tissu à un os, dont la plate-forme est positionnable de façon à peu près parallèle à l'os pour maintenir l'échafaudage proche de l'os. Une tige s'étend depuis la plate-forme et est insérable dans un trou aménagé dans l'os. Une ou plusieurs nervures s'étendent depuis une surface latérale de la tige le long d'une partie de sa longueur. Les nervures ont une section transversale croissante afin d'établir un ajustement de serrage par rapport au trou dans le tissu osseux. Les nervures sont pourvues d'une arête vive qui agrippe les côtés du trou dans l'os de telle sorte qu'elles empêchent la rotation ou le retrait du dispositif.

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