Prosthetic disc and method of implanting

Details Prosthetic disc and method of implanting Prosthetic disc and method of implanting

A - Human Necessities

61

F

3/101

A61F 2/44 (2006.01)

Patent

CA 1321678

Charles D. Ray et al ABSTRACT OF THE DISCLOSURE PROSTHETIC DISC AND METHOD OF IMPLANTING By implanting two prosthetic disc capsules side- by-side into a damaged disc of a human spine, both height and motion, including front-to-back bending, can be maintained. The prosthetic disc capsules have an outer layer of strong, inert fibers intermingled with a bioresorbable material which attracts tissue ingrowth, a bladder enveloped by the layer, and a thixotropic gel filling the bladder. The prosthetic disc capsules can be surgically implanted by 1) jacking apart the vertebrae adjacent a damaged disc, 2) forming a substantially sagital bore in the damaged disc near each of its lateral edges, and 3) inserting one of the capsules axially into each bore.

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