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Fig. 1 | BMC Musculoskeletal Disorders

Fig. 1

From: Biomechanical characteristics of a novel interspinous distraction fusion device in the treatment of lumbar degenerative diseases: a finite element analysis

Fig. 1

(a) The finite analysis model included three vertebrae (L3, L4 and L5), two IVDs (L3/4 and L4/5), four facet joints, and seven ligaments. (b) Four kinds of 3D lumbar models (L3-L5). (A) Intact model. (B) Unilateral decompression model. (C) Internal fixation alone model. (D) Unilateral decompression combined with internal fixation model

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