VERTEBRAL BODY POSTERIOR APPROACHING ARTIFICIAL DISC FOR CAUSING LORDOSIS

摘要

The present invention relates to a vertebral body posterior approaching artificial disc for causing lordosis and capable of being inserted between adjacent vertebrae. The vertebral body posterior approaching artificial disc comprises: a body having a rectangular shape without a side, and inserted between adjacent vertebrae to support upper and lower vertebrae and provide the upper and lower vertebrae with elasticity; and a support means including an upper plate support unit for supporting an upper plate of the body by being closely placed on the lower surface of the upper plate of the body, a lower plate support unit for supporting a lower plate of the body by being closely placed on the upper surface of the lower plate of the body, and a connection frame for connecting the upper plate support unit with one end of the lower plate support unit. According to the present invention, a vertebral body can be forwardly, backwardly, and laterally moved while lordosis is maintained. Moreover, a minimal invasive surgery (MIS) can be performed in a posterior of a vertebral body, so a patient can be rapidly recovered. Furthermore, an artificial disc inserted in a vertebral body is opened by using a distractor, and an artificial disc support means is fitted therebetween, so an operation can be simply performed and lordosis can be effectively maintained. In addition, the artificial disc is inserted while being overlapped, so a lateral width is relatively narrower than a forward and backward length and only a small part of a disc and annulus fibrosus thereof may be removed.;COPYRIGHT KIPO 2016