The present disclosure relates to an implant for insertion into an intervertebral space between a first vertebral member and a second vertebral member subsequent to a removal of a third vertebral member between the first vertebral member and the second vertebral member, the implant includes a first end, a second end and an implant body. The first end is to be secured to the first vertebral member. The second end is to be secured to the second vertebral member. The implant body is between the first end and the second end, wherein the implant body provides relative motion between the first end and second end.本揭露係關於一種用於在一第一脊椎件與一第二脊椎件之間的一第三脊椎件的一移除之後插入至該第一脊椎件與該第二脊椎件之間的一椎間空間中的植入體,該植入體包括一第一端、一第二端及一植入體主體。該第一端將固定至該第一脊椎件。該第二端將固定至該第二脊椎件。該植入體主體係在該第一端與該第二端之間,其中該植入體主體在該第一端與該第二端之間提供相對運動。