COMPOSITE BIOMIMETIC TOTAL INTERVERTEBRAL DISC PROSTHESIS

摘要

A disc prosthesis, suitable for replacing an intervertebral disc, comprises a pair of endplates (11, 21) , and an intermediate body (31) , interposed or suitable for being interposed between the endplates. The intermediate body- comprises a nucleus (32) made of hydrogel, around which is wound a peripheral structure (35) made of fibre-reinforced hydrogel .