A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 17/70 (2006.01)
Patent
CA 2148606
2148606 9506440 PCTABS00036 The clamp (1) comprises a pair of hooks (2, 3) adapted to bear on at least two cervical vertebrae (for example C1, C2) and each having a tubular portion (6, 7). The diameters of the latter are such as to permit the fitting and the sliding of one portion in the other and consequently the adjustment of the relative position of the two hooks. They are fixed in this position by a permanent deformation of the walls of the tubular portions (6, 7) by a suitable ancillary tool. The clamp provides better stability than known devices, since the two hooks (2, 3) of the clamp cannot move apart owing to their interconnection by deformation of material which clamps them in position relative to each other and avoids the use of components such as nuts and screws. Further, this clamp is small in size and is placed in position by the surgeon in a particularly simple manner.
Crampon (1) comprenant une paire de crochets (2, 3) conçus pour reposer sur deux vertèbres cervicales au moins (par exemple C1, C2), et comprenant chacun une partie tubulaire (6, 7) dont le diamètre est tel qu'il permet à une partie de s'adapter à et de coulisser sur l'autre et par conséquent de régler la position relative des deux crochets. Ils sont maintenus en place par une déformation permanente des parois de la partie tubulaire (6, 7) obtenue par un dispositif annexe. Le crampon assure une meilleure stabilité que les systèmes connus étant donné que les deux crochets (2, 3) ne peuvent s'écarter puisqu'étant maintenus par la déformation permanente du matériau les reliant, ne demandant ni vis ni écrous. En outre, ce crampon est de petite taille et d'une mise en place aisée.
Assaker Richard
Robic
Societe de Fabrication de Materiel Orthopedique - Sofamor
LandOfFree
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