A damping element (1) includes: (a) two spring elements (2, 4) which are coaxial with or parallel to a longitudinal axis (3) and two axially end-side connectors (5, 6), where (b) the first spring element (2) exhibits a spring rate F, (c) the second spring element (4) exhibits a spring rate f, and (d)...http://www.google.fr/patents/US20050056979?utm_source=gb-gplus-shareBrevet US20050056979 - Damping element and device for stabilisation of adjacent vertebral bodies
Damping element and device for stabilisation of adjacent vertebral bodies
Numéro de demande: 10/497,794 Numéro de publication: US 2005/0056979 A1 Date de dépôt: 28 mars 2002 Brevet délivré: US7377921 ( Date de délivrance 27 mai 2008)