Endoscopic Release of the Ulnar Nerve at the Elbow: Technique Description and Case Series.

 The endoscopic release of the ulnar nerve reproduces a simple ( ) procedure with smaller incisions, less soft tissue damage, and higher preservation of nerve vascularization. Endoscopy allows the clear visualization of the entire path of the nerve and surrounding noble structures. Moreover, it reveals any signs of compression and allows a safe release of 10 cm distally or proximally to the medial epicondyle.