Patent ID: 8425609
Filing Date: 2013-04-23
Classification: A61F

Abstract:
1. A method of assembling an artificial intervertebral disc comprising: inserting a first locking post of a first retaining cap through a first baseplate aperture in a first baseplate and at least partially through a first bearing bore in a bearing; and inserting a second locking post of a second retaining cap through a second baseplate aperture in a second baseplate and at least partially through a second bearing bore in the bearing, the first and second bearing bores each having a different diameter, wherein the first and second locking posts engage with one another and the first and second baseplates are rotatably retained on the bearing, such that the first and second baseplates and the bearing are configured to rotate relative to one another after implantation of the artificial intervertebral disc into a patient, and wherein each of the first and second retaining caps has a flange.