Comparison of the biomechanical properties of a ventral cervical intervertebral anchored fusion device with locking plate fixation applied to cadaveric canine cervical spines
作者： Bernhard Schöllhorn , Alexander Bürki , Christina Stahl , Judith Howard , Franck Forterre
DOI: 10.1111/J.1532-950X.2013.12044.X
关键词: Cadaver 、 Cadaveric spasm 、 Spinal fusion 、 Fixation (surgical) 、 Discectomy 、 Cervical vertebrae 、 Anatomy 、 Bone plate 、 Neutral zone 、 Medicine
摘要: OBJECTIVE: To evaluate fixation properties of a new intervertebral anchored fusion device and compare these with ventral locking plate fixation. STUDY DESIGN: In vitro biomechanical evaluation. ANIMALS: Cadaveric canine C4-C7 cervical spines (n = 9). METHODS: Cervical were nondestructively loaded pure moments in nonconstraining testing apparatus to induce flexion/extension while angular motion was measured. Range (ROM) neutral zone (NZ) calculated for (1) intact specimens, (2) specimens after discectomy purpose-built cage integrated fixation, (3) removal the plate. RESULTS: Both techniques resulted decrease ROM NZ (P < .001) compared segments. There no significant differences between spacer CONCLUSION: An appears provide similar stability that
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