Dynamic implanted vertebral orthesis

A - Human Necessities – 61 – B

Patent

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Details

A61B 17/70 (2006.01) A61B 17/02 (2006.01) A61B 17/58 (2006.01) A61B 17/88 (2006.01)

Patent

CA 2170276

The invention relates to a dynamic implanted vertebral orthesis preserving at least partially the natural physiological mobility of vertabrae by effecting and maintaining a correction of the relative position of the vertabrae and/or the efforts exerted on the vertabrae, without osteosynthesis, graft or arthrodesis, and comprising anchoring elements (1, 2, 3) fixed to the vertabrae and holding means (4a, 4b, 21a, 21b, 22a, 22b, 23a, 23b, 24a, 24b) which are associated to the anchoring elements (1, 2, 3) and which maintain the vertebrae with respect to each other in a corrected position, characterized in that the means (4a, 4b, 21a, 21b, 22a, 22b, 23a, 23b, 24a, 24b) have or are comprised of elastic return means exerting elastic return forces whose orientation and intensity are determined in order to maintain the vertebrae in a correct position against natural deformation forces or to reduce the efforts exerted on the vertebrae while preserving their mobility.

L'invention concerne une orthèse vertébrale implantée dynamique préservant au moins pour partie la mobilité physiologique naturelle des vertèbres en permettant, sans ostéosynthèse, greffe ni arthrodèse, d'effectuer et de maintenir une correction de la position relative des vertèbres et/ou des efforts exercés sur les vertèbres, comprenant des éléments d'ancrage (1, 2, 3) fixés sur les vertèbres et des moyens (4a, 4b, 21a, 21b, 22a, 22b, 23a, 23b, 24a, 24b) de maintien associés aux éléments d'ancrage (1, 2, 3) pour maintenir les vertèbres les unes par rapport aux autres en position corrigée, caractérisée en ce que les moyens (4a, 4b, 21a, 21b, 22a, 22b, 23a, 23b, 24a, 24b) de maintien comportent ou sont constitués de moyens de rappel élastique exerçant des forces de rappel élastique dont l'orientation et la valeur sont déterminées pour maintenir les vertèbres en position corrigée à l'encontre des forces naturelles de déformation ou pour réduire les efforts exercés sur les vertèbres en conservant leur mobilité.

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