An intervertebral disc prosthesis for placement between a first vertebra and a second vertebra adjacent to the first vertebra. In one embodiment, the intervertebral disc prosthesis includes a resilient member, a first support member and a second support member. The resilient member has an axis and a thickness that aries at least in one direction perpendicular to the axis. The first support member and the second support member are received in the resilient member that is arranged, in use, to be secured to the first vertebra and the second vertebra, respectively. The intervertebral disc prosthesis can generate a coupled motion in more than one possible direction responsive to a possible movement of at least one of the first vertebra and the second vertebra, among the resilient member, the first support member and the second support member.

 
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> Artificial intervertebral disc having a slotted belleville washer force restoring element

> Intervertebral disc with monitoring and adjusting capabilities

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