A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 17/70 (2006.01) A61B 17/84 (2006.01)
Patent
CA 2665430
An anchor assembly for use with a fixation system for stabilizing one or more spinal bone segments by means of an elongated stabilizer includes an anchor base that receives a fastener and includes s a first coupling feature including guide slots and a recessed channel for receiving the elongated stabilizer. The anchor assembly further includes a cap that has a second coupling feature that is complementary to the first coupling feature and includes structures that are laterally received in the base guide slots for mating the cap to the base, as well as a stop element that in combination with the first coupling feature limits the lateral movement of the cap in the guide slots. The cap includes a retaining element that is driven into engagement with the elongated stabilizer so as to lock and retain the elongated stabilizer in place within the anchor assembly.
La présente invention concerne un ensemble ancrage à utiliser avec un système de fixation afin de stabiliser un ou plusieurs segments d'os vertébraux à l'aide d'un stabilisateur allongé. Ledit ensemble ancrage comprend une base d'ancrage, qui reçoit un élément de fixation et comporte un premier élément de couplage pourvu de fentes de guidage, et un canal évidé recevant le stabilisateur allongé. L'ensemble ancrage se compose aussi d'un capuchon qui possède un second élément de couplage complémentaire au premier élément de couplage et comprend des structures qui sont reçues latéralement dans les fentes de guidage de la base afin d'accoupler le capuchon à la base, ainsi qu'un élément d'arrêt qui, une fois combiné au premier élément de couplage, limite le mouvement latéral des fentes de guidage. Le capuchon comprend un élément de retenue entraîné de manière à s'engager dans le stabilisateur allongé afin de verrouiller et de retenir ce dernier en place dans l'ensemble ancrage.
Cammisa Frank
Pierce Javin
Cammisa Frank
Pierce Javin
Robic
LandOfFree
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