Preclinical Evaluation of a Novel 3D-Printed Movable Lumbar Vertebral Complex for Replacement: In Vivo and Biomechanical Evaluation of Goat Model

Figure 2

Schematic and section of MLVC (Processed by SolidWorks). (1) Upper screw hole. (2) Upper lateral plate. (3) Upper artificial endplate. (4) Protruding pillars. (5) Cone-like depressions. (6) Window of bone graft. (7) Lower artificial endplate. (8) Lower lateral plate. (9) Lower screw hole. (10) Upper conical thorn. (11) Vertebral body component. (12) Bone graft warehouse. (13) Lower conical thorn. (14) Lower artificial metal mortar cup. (15) Upper artificial metal mortar cup. (16) Upper high cross-linked polyethylene hemisphere. (17) Upper central column. (18) Lower central column. (19) Lower high cross-linked polyethylene hemisphere.

(a) Front view of MLVC

(b) Posterior view of MLVC

(c) Coronal section view of MLVC

(d) Sagittal section of MLVC