A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 17/70 (2006.01) A61B 17/86 (2006.01)
Patent
CA 2419560
A mobile dynamic implantable spinal apparatus (10) comprising at least one fixed bracket (16a) secured on a correcting rod (12) and at least one mobile carrier (18a) slidably mounted on the correcting rod (12). The fixed bracket (16a) and the mobile carrier (18a) each include a body and a pedicle screw (20) or a transverse process hook articulated to the body. The distribution of the degrees of freedom between the carrier (18a) and the rod (12), and the pedicle screws (20) or hooks and the carrier (18a) and the fixed bracket (16a) provide a non-rigid assembly which preserves some of the natural mobility of the vertebrae and disk, and the potential growth of the spinal column.
L'invention concerne un appareil rachidien (10) implantable dynamique et mobile comprenant au moins un verrou fixe (16a) sur une tige de correction (12) et au moins un support mobile (18a) solidaire coulissant de la tige de correction (12). Le verrou fixe (16a) et le support mobile (18a) comportent chacun un corps et une vis à pédicule (20) ou un crochet transversal de fabrication s'articulant au corps. La distribution des degrés de liberté entre le support (18a) et la tige (12), et les vis à pédicule (20) ou les crochets et le support (18a) et le verrou fixe (16a) forme un ensemble qui préserve dans une certaine mesure la mobilité naturelle des vertèbres et du disque, ainsi que la croissance potentielle de la colonne vertébrale.
Dujovne Ariel R.
Rivard Charles-Hilaire
Hopital Sainte-Justine
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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