The present application discloses intervertebral implants and methods of using the implants. The implants may include inferior and superior surfaces, and a sidewall that together form the body of the implant. An inner chamber is formed between the surfaces and the sidewall. An opening extends through...http://www.google.fr/patents/US7658766?utm_source=gb-gplus-shareBrevet US7658766 - Intervertebral implants with covered inner chamber and methods of use
Intervertebral implants with covered inner chamber and methods of use