Methods and devices for insertion between adjacent vertebrae in a spine following removing at least a portion of a nucleus from within a disc. In one embodiment, the device includes a member having a flexible wall surrounding an internal volume and a coupler that is secured to the flexible wall. The...http://www.google.fr/patents/US8043381?utm_source=gb-gplus-shareBrevet US8043381 - Minimally invasive interbody device and method
