A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 17/70 (2006.01)
Patent
CA 2602953
A system for stabilization of the spinal column, including an elongate support member (22) extending along an axis (L) and a plurality of anchor members (24) configured for anchoring to respective vertebrae. A first of the anchor members (24a) is engaged to the support member (22) in a manner that substantially prevents axial movement of the support member (22) relative to the first anchor member (24a), and a second of the anchor members (24b) is engaged to the support member (22) in a manner that allows substantially unconstrained axial movement of the support member (22) relative to the second anchor member (24b). In a further embodiment, a third of the anchor members (24c) is engaged to the support member (22) in a manner that also allows substantially unconstrained axial movement of the support member (22) relative to the third anchor member (24c), with the second and third anchor members (24b, 24c) positioned on opposite sides of the first anchor member (24a).
L'invention concerne un système de stabilisation de la colonne vertébrale, comprenant un élément support allongé (22) s'étendant le long d'un axe (L) et une pluralité d'éléments d'ancrage (24) configurés pour s'ancrer aux vertèbres respectives. Un premier des éléments d'ancrage (24a) est engagé sur l'élément support (22) de manière à empêcher sensiblement tout mouvement axial de l'élément support (22) par rapport au premier élément d'ancrage (24a), et un deuxième des éléments d'ancrage (24b) est engagé sur l'élément support (22) de manière à permettre sensiblement un mouvement axial sans contrainte de l'élément support (22) par rapport au deuxième élément d'ancrage (24b). Dans un autre mode de réalisation, un troisième des éléments d'ancrage (24c) est engagé sur l'élément support (22) de manière à permettre sensiblement un mouvement axial sans contrainte de élément support (22) par rapport au troisième élément d'ancrage (24c), le deuxième et le troisième éléments d'ancrage (24b, 24c) étant positionnés sur des côtés opposés du premier élément d'ancrage (24a).
Armstrong Rex W.
Johnson Christopher E.
Mccarthy Richard E.
Smart & Biggar
Warsaw Orthopedic Inc.
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