SPINE14-1305 Video 1
VIDEO 1. Foraminoplasty was performed. The hypertrophied inferior facet joint was removed using a high-speed drill. The cannula was then inserted into the epidural space. The longer side of the beveled cannula was placed to the dorsal aspect to protect the nerve root and dura. The HNP fragments were removed. Copyright Koichi Sairyo. Published with permission.
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