Damping element

A - Human Necessities – 61 – B

Patent

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Details

A61B 17/70 (2006.01) F16F 1/12 (2006.01) F16F 3/10 (2006.01)

Patent

CA 2469005

The invention relates to a damping element (1) comprising: (A) two spring elements (2; 4), which are coaxial or parallel to a longitudinal axis (3), and connecting parts (5; 6), which can be connected to the spring elements (2; 4) while being axially located at the ends thereof, whereby; (B) the first spring element (2) has a spring rate F; C) the second spring element (4) has a spring rate f, whereby; D) spring rates F and f differ from one another. The invention also relates to a device for stabilizing adjacent vertebral bodies comprising: A) N pedicel screws or pedicel hooks (12), whereby N >= 3; B) of which at least one pedicel screw or one pedicel hook (12) comprises a holding means (13), which simultaneously enables two parallel longitudinal fixing elements (7) to be held, and; C) an element (14) that functions as a spring and is provided for fixing between the at least one pedicel screw or pedicel hook (12), which is provided with holding means (13), and another adjacent pedicel screw or pedicel hook (12).

L'invention concerne un élément amortisseur (1) comprenant (A) deux éléments élastiques (2, 4) parallèles ou coaxiaux à un axe longitudinal et des éléments de liaison (5, 6) qui peuvent être reliées auxdits éléments élastiques (2, 4) tout en étant situés à leurs extrémités de manière axiale, (B) le premier élément élastique (2) présentant une constante de rappel F, (C) le second élément élastique (4) présentant une constante de rappel f, et (D) lesdites constantes de rappel F et f étant différentes l'une de l'autre. L'invention concerne également un dispositif de stabilisation de corps vertébraux adjacents comprenant : (A) N vis pédiculaires ou crochets pédiculaires (12), N >= 3, (B) au moins une vis pédiculaire ou un crochet pédiculaire (12) comprenant un moyen de réception (13), qui permet la réception simultanée de deux éléments de fixation (7) parallèles longitudinaux ; et (C) un élément (14) qui fonctionne comme un ressort, est fixé entre la ou les vis pédiculaire(s) ou le ou les crochet(s) pédiculaires(12) doté(s) de moyens de suspension (13) et une autre vis pédiculaire ou crochet pédiculaire (12) adjacente.

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