Prosthetic spinal disc nucleus

Details Prosthetic spinal disc nucleus Prosthetic spinal disc nucleus

1997-06-06

1998-10-20

Milano, Michael J.

Prosthesis (i.e., artificial body members), parts thereof, or ai

Implantable prosthesis

Bone

A61F 244

Patent

active

058240934

ABSTRACT:
An elongated, capsule shaped prosthetic spinal disc nucleus body for implantation into a human inter vertebral spinal disc, made of a hydrogel core and a constraining jacket surrounding the hydrogel core that permits the hydrogel core to deform and reform. The constraining jacket is configured to allow the hydrogel core to hydrate to a predetermined volume and will deform and reform in a desired fashion in response to various loads placed upon the spinal tract. The prosthetic spinal disc nucleus assists in restoring the natural physiology of the human intervertebral disc. By implanting two prosthetic spinal disc nuclei side-by-side into a damaged disc of a human spine, both height and motion can be maintained.

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Clinical Efficacy and Outcome in the Diagnosis and Treatment of Low Back Pain, specifically Chapter 21, Charles Dean Ray, The Artificial Disc, Introduction, History and Socioeconomics, 1992, pp. 205-225.

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