Cone Hemi Laminectomy Self Retaining Retractor Hinged Arms Right Arm Hook (250mm) (10inch)This self retaining retractor is used to hold back the edges of a laminectomy, which is a type of surgery that involves removing a portion of the vertebral bone to access the spinal cord. The hinged arms and hook allow the surgeon to adjust the angle and depth of the retractor for optimal access to the surgical site. The 250mm (10 inch) size is suitable for most laminectomy procedures.