Selectively demineralized bone-derived implants are provided. In one embodiment, a bone sheet for implantation includes a demineralized field surrounding mineralized regions. In another embodiment, a bone defect filler includes a demineralized cancellous bone section in a first geometry. The first geometry...http://www.google.fr/patents/US7608113?utm_source=gb-gplus-shareBrevet US7608113 - Demineralized bone implants
