Cervical Retractor Medial BladeDDP Elite USA Cervical Retractor Medial Blade is an added component to be used alongside the cervical retractor for medial retraction. All five blades are made from stainless steel and a ball snap closure making them a tight fit. Each blade also features teeth that are variety in their size and curvature making it possible to find a suitable blade for soft tissue retraction in a number of neurosurgical scenarios and approaches to the spinal cord.