A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 17/58 (2006.01) A61B 17/70 (2006.01) A61B 17/88 (2006.01)
Patent
CA 2548729
Minimally invasive methods and devices for introducing a spinal fixation element into a surgical site in a patient~s spinal column are provided. In one embodiment, a dissection tool is provided for separating muscles along a muscle plane without causing damage to the muscles. The dissection tool can also include a lumen extending therethrough for receiving a guide wire. The tool allows the guide wire to be positioned relative to a vertebra, and once properly positioned, the tool can be removed to allow a spinal anchor to be delivered along the guide wire and implanted into the vertebra.
L'invention concerne des procédés et des dispositifs à effraction minimale, destinés à introduire un élément de fixation vertébrale dans un site chirurgical sur la colonne vertébrale d'un patient. Dans un mode de réalisation, un outil de dissection sert à séparer les muscles sur un plan musculaire sans endommager les muscles, cet outil de dissection pouvant également être doté d'une lumière le traversant pour recevoir un fil guide. Cet outil permet de positionner le fil guide relativement à une vertèbre et, une fois placé correctement, l'outil peut être retiré pour permettre le placement d'un ancrage vertébral au moyen du fil guide et l'implantation de cet ancrage dans la vertèbre.
Anderson David Greg
Ross George Joseph
Ruberte Ramon Alberto
Selover Sean P.
Sheehy Nancy M.
Depuy Spine Inc.
Norton Rose Canada S.e.n.c.r.l.,s.r.l./llp
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