Transverse spinal linking device and system

A - Human Necessities – 61 – B

Patent

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A61B 17/70 (2006.01)

Patent

CA 2689655

A transverse spinal linking device (1 ) links at least one spinal osteosynthesis bar (2) to a transverse bar (3). The device (1 ) includes a first part (11 ) that has a vertical axis and a first jaw (111 ), a second part (12) that has a second jaw (121 ), and a clamping means (13). The first part (11 ) includes a sliding surface (114), which is inclined in relation to the vertical axis, and which mates with at least one sliding surface (124) of the second part (12). The sliding surfaces (114, 124) are configured so that the descent of the second part (12) results in an approach of the jaws (121, 111 ), with the clamping action of the clamping resource (13) causing the fixing and/or the locking of the device (1 ) on the osteosynthesis bar (2) and the fixing and/or the locking of the transverse bar (3).

L'invention porte sur un dispositif de liaison vertébrale transversale (1) qui lie au moins une barre d'ostéosynthèse vertébrale (2) à une barre transversale (3). Le dispositif (1) peut comprendre une première partie (11) qui a un axe vertical et une première mâchoire (111), une seconde partie (12) qui a une seconde mâchoire (121), et une ressource de serrage (13). La première partie (11) peut comprendre une surface coulissante (114), qui peut être inclinée par rapport à l'axe vertical, et qui peut être appariée avec au moins une surface coulissante (124) de la seconde partie (12). Les surfaces coulissantes (114, 124) peuvent être configurées de telle sorte que la descente de la seconde partie (12) conduit à une approche des mâchoires (121, 111), avec l'action de serrage de la ressource de serrage (13) provoquant la fixation et/le verrouillage du dispositif (1) sur la barre d'ostéosynthèse (2) et la fixation et/ou le verrouillage de la barre transversale (3).

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