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Fig. 1 | Journal of Orthopaedic Surgery and Research

Fig. 1

From: Intervertebral-spreader-assisted anterior cervical discectomy and fusion prevents postoperative axial pain by alleviating facet joint pressure

Fig. 1

Cervical vertebral spreader and its usage in vertebral distraction. A Typical images of vertebral spreader. B The Caspar distraction device is first used after removal of the intervertebral disc, and then the vertebral spreader is used to further enlarge the disc space. C The illustration showing the measurement method of intervertebral disc height (IDH), change of IDH (â–³IDH) and interfacet distance (IFD)

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