Patent ID: 8506646

Claim:
A medical implant device, comprising: a biocompatible, three-dimensional osteoconductive or osteoinductive implant body, the implant body comprising a sponge including mineral particles disposed uniformly within the sponge, said body including an upper surface, a lower surface, and side walls interconnecting the upper surface and the lower surface, wherein the implant body has a thickness of from 2 cm to 15 cm; and at least one separation-assist line defined in said implant body, said separation-assist line configured to facilitate separation of a first portion of the implant body from a second portion of the implant body by manipulating the implant body to manually break or tear the implant body along the separation-assist line into multiple separate pieces, wherein said separation-assist line comprises at least a first score line extending inwardly from a first surface of said implant body and at least a second score line extending inwardly from a second surface of said implant body, said second score line oppositely faced to and aligned with said first score line, and said first score line and second score line having a depth that comprises 20% to 60% of said thickness of the implant body and the sponge comprising fibrillar and non-fibrillar collagen and the implant comprises a plurality of said separation-assist lines extending only partially across a width of the implant body.