Patent ID: 8343222
Filing Date: 2013-01-01
Classification: A61B,A61F

Abstract:
1. An articulating intervertebral disc prosthesis including: a first member having a vertebra engaging portion, which engages in use a first vertebra, and a bearing surface; a second member having a vertebra engaging portion, which engages in use a second vertebra, and a bearing surface, which abuts the first member bearing surface to form a first articulating bearing joint; and first and second motion restraint elements adapted to provide articulation restraint of the first articulating bearing joint at pre-determined limits of articulation, thereby defining the limits of the entire range of articulation of the first articulating bearing joint; wherein the first and second elements are part of the first and second members respectively; and wherein the first and second elements abut each other throughout the entire range of articulation of the first articulating bearing joint to thereby form a second articulating bearing joint which bears throughout the entire range of articulation of the first articulating bearing joint.