A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 17/88 (2006.01) A61B 17/16 (2006.01) A61B 17/17 (2006.01) A61B 17/70 (2006.01) A61B 17/80 (2006.01)
Patent
CA 2442967
Systems and methods for stabilizing the spine are provided. For stabilizing the L5-S1 junction, the system includes a plate (7) that has a generally triangular shape with an upper node (8a) and a pair of lower nodes (9a, 10a). The upper node (8a) has a hole (8) through the plate (7) to receive a screw (11) for passage into the L5 vertebra. The loer nodes (9a, 10a) each include a hole (9, 10) through the plate (7) to receive screws (12, 13) for passage into the S1 vertebra. The system further includes a plate (7) having a retaining element (32) for preventing backout of screws inserted through the plate (9). Instruments and methods for attaching the plate to the spinal column are also provided.
L'invention concerne des systèmes et des procédés destinés à stabiliser la colonne vertébrale. Afin de stabiliser la jonction L5-S1, le système comprend une plaque (7) présentant une forme générale triangulaire ayant un noeud supérieur (8a) ainsi qu'une paire de noeuds inférieurs (9a, 10a). Le noeud supérieur (8a) présente un trou (8) à travers la plaque (7) destiné à recevoir une vis (11) permettant le passage dans la vertèbre L5. Les noeuds inférieurs (9a, 10a) présentent chacun un trou (9, 10) à travers la plaque (7) destiné à recevoir les vis (12, 13) permettant un passage dans la vertèbre S1. Le système comprend également une plaque (7) présentant un élément de retenue (32) destiné à empêcher la sortie de vis insérées à travers la plaque (9). L'invention concerne également des instruments et des procédés de fixation de la plaque à la colonne vertébrale.
Dickman Curtis A.
Josse Loic
Lange Eric C.
Lehuec Jean-Charles
Liu Mingyan
Sdgi Holdings Inc.
Smart & Biggar
Warsaw Orthopedic Inc.
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