High precision manufacture of polyurethane products such as spinal disc implants having gradual modulus variation

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United States of America Patent

PATENT NO 8882837
SERIAL NO

11505633

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Abstract

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A process for making a polymeric product having a gradual variation in modulus through at least a portion of the product is disclosed together with an artificial spinal disc formed using the process.

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Patent Owner(s)

Patent OwnerAddress
RANIER LIMITEDGREENHOUSE PARK INNOVENTION CENTRE NEWMARKET ROAD CAMBRIDGE CB1 5AS

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Andrews, Geoffrey Thomas Cambridge, GB 6 267
Cable, Martin Cambridgeshire, GB 10 226
Johnson, Scott Cambridgeshire, GB 195 1764
Snell, Robert Suffolk, GB 17 287

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