Screw delivery system and method

Details Screw delivery system and method Screw delivery system and method

A - Human Necessities

61

B

A61B 17/16 (2006.01) A61B 17/17 (2006.01) A61B 17/58 (2006.01) A61B 17/88 (2006.01) A61B 17/00 (2006.01) A61B 19/00 (2006.01)

Patent

CA 2392360

A screw delivery system and method are disclosed for use in a variety of surgical indications. The screw delivery system generally comprises an outer cannula (100), a guide (140), and various interventional devices such as bone drill bits (160) and taps (200) as well as an implant driver (260) for inserting a screw. The method disclosed varies by indication, but is ordinarily intended for use as a minimally invasive procedure which is a combination of percutaneous and open techniques wherein a small midline incision is made over a surgical site and the screw delivery system provides a percutaneous portal through an incision distant from the small midline incision over the surgical site.

Cette invention a trait à un système, ainsi qu'à la technique correspondante, de mise en place de vis, à utiliser dans le cadre de diverses interventions chirurgicales. En règle générale, ce système de mise en place de vis est constitué d'une canule extérieure (100), d'un guide (140) et de divers dispositifs d'intervention tels que des outils de forage pour os (160), des filets taraudeurs (200) ainsi qu'un ensemble de commande de pose (260) servant à l'insertion d'une vis. La technique selon cette invention, qui varie en fonction des cas, est normalement prévue pour être utilisée en tant que mode opératoire le moins effractif possible, en l'occurrence une combinaison de techniques percutanées et ouvertes. Dans le cadre de ces techniques, on fait une petite incision médiane sur le site de l'intervention, le système de mise en place de vis assure une porte percutanée par une incision distante de la petite incision médiane sur le site de l'intervention.

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