Patent ID: 8157805
Filing Date: 2012-04-17
Classification: A61B,A61F

Abstract:
1. An encapsulation device for the repair of an articular cartilage defects, the device comprising: a body having a generally annular frame supporting therein a solid shell-like cover portion for disposition adjacent a bone in an area of the cartilage defect; an elongated leg structure comprising a plurality of elongated leg members fixedly connected to the body, each extending from a distal side of said body for disposition in the bone in the area of the cartilage defect, said leg members each having a length which is a plurality of magnitudes greater than a thickness of said body, and being of a generally conical configuration along substantially the length thereof; said annular frame comprising a peripheral frame portion, and said cover portion being integrally formed with said frame portion and disposed within said frame and of a configuration bowed proximally to always provide a bowed proximal end profile for engagement by a complementary-shaped tool head, and adapted to maintain that profile during engagement of said body with the tool head; and each of said leg members being provided with a central channel therein, each of the channels opening on a proximal side of said frame and extending substantially the length of each of said leg members to a point proximate a closed distal end thereof; wherein at least one of said leg members is provided at a distal end thereof with an end portion enlarged beyond a periphery of said leg member at a proximal end of the end portion and a generally crested end portion at a distal end of the end portion.