Fig. 1From: Biomechanical analysis of a novel height-adjustable nano-hydroxyapatite/polyamide-66 vertebral body: a finite element studyConstruction of the nonliner 3D FE models and geometry of the three prostheses. a 3D FE model of the disc. b L1-sacrum vertebra. c Novel height-adjustable nano-hydroxyapatite/polyamide-66 vertebral body. d Titanium mesh cage. e Artificial vertebral bodyBack to article page