An artificial intervertebral disc having a pair of opposing baseplates, for seating against opposing vertebral bone surfaces, uses a semispherical, bored bearing that is secured to the baseplates with compression locking posts and one or more retaining caps. The compression locking posts extend through...http://www.google.es/patents/US7393361?utm_source=gb-gplus-sharePatente US7393361 - Artificial intervertebral disc having a bored semispherical bearing with a compression locking post and retaining caps
Artificial intervertebral disc having a bored semispherical bearing with a ...
