A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 17/56 (2006.01) A61F 2/08 (2006.01)
Patent
CA 2427564
Apparatus and methods for conditioning and pre-tensioning soft tissue grafts during joint repair surgery. The inventive apparatus (10) is configured so as to enable a surgeon to independently apply a desired tensile load onto individual strands of a multiple-stranded soft tissue graft. The inventive methods ensure that each strand of a multiple-strand soft tissue graft is adequately tensioned so as to both "condition" the graft to prevent subsequent stretching, relaxation or elongation following surgery, and pre-tension each strand of the graft to a desired amount so that each contributes to the strength and stability of the joint. The inventive tensioning device is equipped with structure (72) for attaching the device to a patient's limb during the procedure. It has multiple adjustable tension applicators (22) that can be independently manipulated so as to independently apply a desired tensile load onto one or more strands of the soft tissue graft.
Cette invention concerne un appareil et des méthodes de conditionnement et de pré-tensionnement de greffes de tissus mous pendant une intervention chirurgicale de réparation sur une articulation. L'appareil (10) selon l'invention doit permettre au chirurgien d'appliquer indépendamment la charge de traction requise sur les divers torons d'une greffe de tissu mou à torons multiples. Les méthodes selon l'invention garantissent que chacun des torons de ladite greffe est correctement tendu de manière à <= conditionner >=la greffe pour empêcher un étirement, un relâchement ou une élongation après l'intervention chirurgicale et simultanément à pré-tensionner les divers torons pour que chacun d'eux contribue à la robustesse et à la stabilité de l'articulation. Le dispositif de mise sous tension selon l'invention comporte une structure (72) qui permet de le fixer au membre du patient pendant l'intervention. Ce dispositif comporte de multiples applicateurs de tension réglables (22) qui peuvent être sollicités individuellement de manière à ce que la force de traction recherchée puisse être appliquée à un ou à plusieurs des torons de la greffe de tissu mou.
West Hugh S.,jr.
West John R.
Cassan Maclean
West Hugh S.,jr.
West John R.
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