Bondable expansion plug for soft tissue fixation

Details Bondable expansion plug for soft tissue fixation Bondable expansion plug for soft tissue fixation

A - Human Necessities

61

B

A61B 17/04 (2006.01) A61F 2/08 (2006.01) A61B 19/00 (2006.01)

Patent

CA 2328237

This invention is an expandable soft tissue fixation assembly (10) for use in anchoring soft tissue to bone. The assembly includes a tab (16) connected to an anchor (18), a sleeve (20) adapted to surround the anchor (18), and a flange (19) adapted to hold a soft tissue segment next to a bone. The sleeve (20) is inserted into a blind hole (12) in a bone, and a section of soft tissue is placed over the hole (12) next to the bone. Energy is applied to the flange (19) while a predetermined axial tension is applied to the tab (16) to compress a flared portion of the anchor against the sleeve (20). An upper tube portion of the anchor and the flange (19) are bonded together. The applied axial force on the tab separates it from the anchor, leaving the assembly anchored in the bone, the soft tissue section anchored in place between the flange (19), and the bone.

L'invention concerne un ensemble dilatable de fixation de tissus mous destiné à s'utiliser pour l'ancrage de tissus mous aux os. L'ensemble comprend une attache reliée à une ancre, un manchon adapté de manière à entourer l'ancre et un rebord adapté pour retenir un segment de tissu mou à côté d'un os. Le manchon est introduit dans un trou borgne d'un os et une section de tissu mou est placée au-dessus du trou à côté de l'os. On applique une énergie sur le rebord et une tension axiale prédéterminée sur l'attache pour comprimer une partie biseautée de l'ancre contre le manchon. On fait adhérer une partie de tube supérieur de l'ancre au rebord et la force axiale appliquée sur l'attache la sépare de l'ancre, laissant l'ensemble ancré à l'os et la section de tissu mou en place entre le rebord et l'os.

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