Medical fixation devices with improved torsional drive head

Details Medical fixation devices with improved torsional drive head Medical fixation devices with improved torsional drive head

A - Human Necessities

61

B

A61B 17/04 (2006.01) A61B 17/86 (2006.01) A61B 17/88 (2006.01) A61B 17/00 (2006.01)

Patent

CA 2613138

The present invention provides a fixation device that includes an elongate shank defining a longitudinal axis and having at least one engaging member for applying the fixation device within tissue and securing the fixation device in the tissue once implanted formed thereon, and a drive head having a proximal end, a distal end and a radial cross-sectional geometry, where the drive head is mated to the elongate shank, and includes at least one anti-rotational member integral therewith, fixation device kits utilizing the fixation device, and methods of fixation in tissue are also provided.

La présente invention concerne un dispositif de fixation comprenant une tige allongée définissant un axe longitudinal et sur lequel est formé au moins un élément d~engagement destiné à appliquer le dispositif de fixation dans un tissu et à le fixer à celui-ci une fois implanté. Le dispositif comprend en outre une tête de guidage comportant une extrémité proximale, une extrémité distale et présentant une géométrie radiale en section transversale, ladite tête de guidage étant accouplée à la tige allongée et comprenant au moins un élément antirotation formé d~une seule pièce avec celle-ci. La présente invention concerne en outre des ensembles de dispositifs de fixation utilisant le dispositif de fixation précité et des procédés de fixation de ceux-ci dans les tissus.

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