Suture anchor

A - Human Necessities – 61 – B

Patent

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Details

A61B 17/04 (2006.01)

Patent

CA 2466476

A suture anchor (12) includes a placement portion (76) frangably connected to an attachment portion (78). The attachment portion includes an outwardly projecting barb (90). During insertion of the suture anchor within a bore hole formed on a bone, the barb scores at least a portion of the bone bounding the bore hole. Once the suture anchor is disposed within the bore hole, a withdrawal force is applied to the suture anchor such that the attachment portion thereof rotates within the bore hole and disconnects from the placement portion. In an alternative embodiment, the suture anchor can be formed without the outwardly projecting barb.

L'invention concerne un ancrage de suture (12) comprenant une partie de placement (76) reliée de manière frangible à une partie de fixation (78). La partie de fixation comprend un ardillon (90) faisant saillie vers l'extérieur. Lors de l'insertion de l'ancrage de suture à l'intérieur d'un trou formé sur un os, l'ardillon se coince contre au moins une partie de l'os délimitant le trou. Une fois que l'ancrage de suture est disposé à l'intérieur du trou, une force de retrait est appliquée à l'ancre de suture, de façon de la partie de fixation de cette dernière tourne à l'intérieur du trou, et se détache de la partie de fixation. Dans un autre mode de réalisation, l'ancrage de suture peut être formé sans l'ardillon faisant saillie vers l'extérieur.

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