Patent ID: 8226688
Filing Date: 2012-07-24
Classification: A61B

Abstract:
1. A protection device for protecting adjacent stages Vc of a spinal segment Sr of a vertebral column instrumented by an osteosynthesis device ( 1 ) comprising connection rods ( 4 ), characterized in that the device is constituted of fixation elements ( 110 ) formed of connectors ( 111 ) immobilized in translation and in rotation on the corresponding connection rod ( 4 ) of osteosynthesis device ( 1 ), a support block ( 130 ; 180 ) presenting an inverted U-shaped profile and made of an elastic material in which is housed the spinous process Ve of superjacent vertebra Vc found just above the instrumented spinal segment Sr, at least one ligament ( 150 , 170 , 190 ) allowing spinous process Ve of superjacent vertebra Vc to be joined to support block ( 130 ; 180 ) and the support block ( 130 ; 180 ) to connectors ( 111 ) and a blocking means ( 118 , 123 ) of the corresponding ligament ( 150 , 170 , 190 ), after tensioning, in connectors ( 111 ); wherein each connector ( the grooves (