Spinal rod parallel coupler

Details Spinal rod parallel coupler Spinal rod parallel coupler

A - Human Necessities

61

B

A61B 17/56 (2006.01) A61B 17/58 (2006.01) A61F 2/30 (2006.01)

Patent

CA 2634541

A spinal rod coupler (10) used for joining spinal rods in a parallel fashion. The coupler is adapted to join rods of different thicknesses or flexibilities while occupying a minimal amount of volume inside a patient . The coupler preferably has a V-shaped channel (20) adapted to receive the spinal rods such that the spinal rods make a line contact with the V-shaped channel at two points in cross section. The coupler also has at least one blocker (50) adapted to exert force against the spinal rod or rods in order to hold the spinal rod in the coupler.

L'invention concerne un coupleur de tiges vertébrales (10) servant à joindre des tiges vertébrales de manière parallèle. Le coupleur selon l'invention permet de joindre des tiges d'épaisseurs ou de souplesses différentes tout en occupant un minimum de volume à l'intérieur du patient. Le coupleur selon l'invention comprend, de préférence, un conduit en V (20) servant à recevoir les tiges vertébrales de sorte que les tiges vertébrales sont en contact linéaire avec le conduit en V sur deux points en coupe transversale. Le coupleur comprend également au moins un élément de blocage (50) exerçant une force sur la ou les tiges vertébrales afin de les maintenir en place dans le coupleur.

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