Bone fixation means

Details Bone fixation means Bone fixation means

A - Human Necessities

61

B

A61B 17/74 (2006.01) A61B 17/86 (2006.01)

Patent

CA 2558495

The invention relates to a bone fixation means (1) comprising: A) a longitudinal shaft (2) with longitudinal axis (3), and; B) an anchoring element (4), which can be fixed inside a bone and which has the same longitudinal axis (3) and is characterized in that; C) interacting means (5; 6) are provided on the shaft (2) and on the anchoring element (4), which either permit or prevent a rotation of the anchoring element (4) about the longitudinal axis (3) relative to the shaft (2).

La présente invention concerne un système de fixation d'os (1) comprenant : A) une tige longitudinale (2) présentant un axe longitudinal (3) ; et B) un élément d'ancrage (4) qui peut être fixé axialement à la tige (2) et peut être ancré dans un os, ledit élément d'ancrage ayant le même axe longitudinal (3). Selon l'invention, C) des éléments (5, 6) qui coopèrent entre eux, se trouvent sur la tige (2) et sur l'élément d'ancrage (4) et servent à favoriser ou à bloquer la rotation de l'élément d'ancrage (4) autour de l'axe longitudinal (3), par rapport à la tige (2).

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