Orthopedic bone fixation

A - Human Necessities – 61 – B

Patent

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Details

A61B 17/04 (2006.01) A61B 17/68 (2006.01) A61C 8/00 (2006.01)

Patent

CA 2664661

The present invention provides a bone anchor (27, 53, 80, 81), the bone anchor comprising a hollow cylindrical housing (22, 55, 85), buttress means (23, 56, 59) attached to the distal end of said cylindrical housing (22, 55, 85) comprising one or more releasable anchors (23a, 56a, 59a, 59u), a threaded rod rotatably placed within the internal space of said housing, said threaded rod is mechanically linked to the buttress means (23, 56, 59), wherein said anchors (23a, 56a, 59a, 59u) are capable of being moved between an open conformation and a closed conformation and vice versa by means of manipulating the proximal end of said threaded rod (24, 58).

La présente invention concerne un dispositif d'ancrage osseux (27, 53, 80, 81), le dispositif d'ancrage osseux étant constitué d'un boîtier cylindrique creux, (22, 55, 85), d'un moyen de contrefort (23, 56, 59) fixé à l'extrémité distale dudit boîtier cylindrique (22, 55, 85) comportant un ou plusieurs points d'ancrage libérables (23a, 56a, 59a, 59u), d'une tige filetée placée de manière à pouvoir pivoter dans l'espace interne dudit boîtier, ladite tige filetée étant liée mécaniquement au moyen de contrefort (23, 56, 59) et lesdits points d'ancrage (23a, 56a, 59a, 59u) étant susceptibles de basculer d'une conformation ouverte à une conformation fermée et vice versa grâce à une manipulation de l'extrémité proximale de ladite tige filetée (24, 58).

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