Threadable knot soft tissue defect repair system

A - Human Necessities – 61 – B

Patent

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Details

A61B 17/04 (2006.01)

Patent

CA 2754720

A soft tissue defect repair system for approximating defects, such as defects in the annulus fibrosus of an intervertebral disc, includes a cannulated rod through which is disposed a suture retrieval device. A strand of suture includes a locking or ratcheting knot pre-tied around the outside of the cannulated rod and a free end that is guided in and out of the soft tissue. A knot pusher fits around the cannulated rod, which is used to push the knot off of the cannulated rod after the stitching of the tissue is accomplished. The defect is approximated by tensioning the free end. Various suturing methods or patterns are disclosed for defect approximation.

La présente invention concerne un système de réparation d'anomalie de tissu mou destiné à se rapprocher des anomalies, telles que des anomalies présentes dans l'anneau fibreux périphérique d'un disque intervertébral. Ledit système comporte une tige de cannulation dans laquelle est disposé un dispositif de récupération d'un fil de suture. Un fil de suture comprend un nud de fermeture ou à cliquet pré-noué autour de l'extérieur de la tige de cannulation et une extrémité libre qui est guidée dans le tissu mou et en dehors. Un poussoir de nud, qui s'adapte autour de la tige de cannulation, est utilisé pour pousser le nud hors de la tige de cannulation une fois la couture du tissu terminée. L'approche de l'anomalie est réalisée par la mise en tension de l'extrémité libre. La présente invention porte en outre sur divers modèles et diverses méthodes de suture pour l'approche d'anomalie.

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