Patent ID: 7534264
Filing Date: 2009-05-19
Classification: A61B,A61C,A61F,A61L

Abstract:
1. A moisture activated implant device for placement into a tooth extraction site or other bone defect and promoting bone growth in the bone defect, comprising: a dry covering comprised of a water absorbing gelatinizable material that defines an enclosed space, wherein the dry covering consists essentially of oxidized cellulose; and a bone growth promoting material, disposed within the enclosed space defined by the dry covering, selected from the group consisting of hydroxyapatite, beta-tricalcium phosphate, purified coral shell, freeze dried natural bone powder, freeze dried natural bone particles, demineralized natural bone powder, demineralized natural bone particles, demineralized natural bone shards, demineralized natural bone fragments, and combinations thereof, wherein the dry covering encapsulates and retains the bone growth promoting material within the enclosed space prior to use and becomes gelatinous and adhesive upon contact with water so as to retain the bone growth promoting material within a tooth extraction site or other bone defect during use.