An intervertebral prosthetic disc is disclosed and can be installed within an intervertebral space between a first vertebra and a second vertebra. The intervertebral prosthetic disc can include a first component that can have a first compliant layer that can be configured to engage the first vertebra...http://www.google.es/patents/US20070179618?utm_source=gb-gplus-sharePatente US20070179618 - Intervertebral prosthetic disc
