A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 17/80 (2006.01) A61B 17/86 (2006.01)
Patent
CA 2499176
The invention relates to a cervical vertebra plate (10) for osteosynthesis, comprising two receiving openings for the screw heads (18) of bone screws (16) in order to secure the cervical vertebra plate to two cervical vertebrae. The receiving openings comprise grooves (22) in the distal region on the periphery thereof and the depth of said grooves increases from a proximal to a distal end. The invention also relates to a bone screw (18) comprising a screw head (16) and a screw shank. The screw head comprises grooves (34) on the outer periphery thereof and the depth of the grooves varies along the length thereof.
L'invention concerne une plaque pour vertèbres cervicales (10), pour l'ostéosynthèse, qui comprend deux ouvertures de réception (14) pour les têtes (18) de vis à os (16) servant à la fixation de ladite plaque sur deux vertèbres cervicales. Lesdites ouvertures de réception présentent, dans la zone distale, sur leur pourtour, des rainures (22) dont la profondeur augmente de l'extrémité proximale à l'extrémité distale. L'invention concerne également une vis à os (18) portant une tête (16) et une tige, ladite tête présentant sur sa périphérie extérieure des rainures (34) dont la profondeur, vu dans le sens de leur longueur, varie.
Depuy Spine Sarl
Gowling Lafleur Henderson Llp
LandOfFree
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