Derotation instrument with reduction functionality

Details Derotation instrument with reduction functionality Derotation instrument with reduction functionality

A - Human Necessities

61

B

A61B 17/70 (2006.01) A61B 17/88 (2006.01)

Patent

CA 2717758

Instruments and methods are provided for manipulating a bone anchor and a spinal fixation element. The instruments and methods disclosed herein are particularly suited to facilitate rotation of a bone anchor relative to another bone to correct the angular rotation of the vertebrae attached to the bone anchor. The instrument does not require the spinal fixation element to be inserted into the bone anchor prior to manipulation. The instrument further may be used in the insertion of the spinal fixation element into the bone anchor.

La présente invention concerne des instruments et des procédés pour manipuler un ancrage osseux et un élément de fixation spinale. Les instruments et procédés de la présente invention sont particulièrement adaptés pour faciliter la rotation d'un ancrage osseux par rapport à un autre os de façon à corriger la rotation angulaire des vertèbres rattachées à l'ancrage osseux. L'instrument ne nécessite pas que l'élément de fixation spinale soit inséré dans l'ancrage osseux avant la manipulation. L'instrument peut en outre être utilisé pour insérer l'élément de fixation spinale dans l'ancrage osseux.

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