Patent ID: 7670378

Claim:
Implant for insertion into a bone cavity or between two adjacent vertebral bodies of a human or animal spine, said implant comprising: a fluid-tight outer layer; a plurality of interconnected cavities within the fluid-tight outer layer, the plurality of interconnected cavities having a sponge-like structure and being in fluidic connection with one another and designed to be brought from a normal position into an insertion position, wherein: in said normal position the implant encompasses a maximum total volume and in said insertion position the implant encompasses an insertion volume, which is smaller than the maximum total volume, a net volume encompassed in the normal position by the plurality of cavities in fluidic connection with one another is smaller than the maximum total volume; the implant is a self-expandable implant, which, starting from the insertion position, automatically expands into the normal position; and the implant is made from a bioresorbable material.