Ulnar nerve entrapment within the cubital tunnel is a common clinical condition. Traditionally, nerve releases have been performed utilizing a long incision on the medial side of the elbow leaving a long scar, usually with some damage to the cutaneous nerves around the elbow and associated morbidity, plus, on the average, a three-to-four day stay in the hospital, With endoscopic techniques, improved results should be possible with one small incision on the postero-medial side of the arm and a much more aesthetic result. This should be possible as an out-patient surgical procedure with decreased overall morbidity. Early mobilization after endoscopic surgery could also aid in an earlier return to work, resulting in a substantial reduction in health care costs. Safe endoscopic release of the ulnar nerve in the cubital tunnel at the elbow with a single 1.5 centimeter incision is possible thus eliminating many problems associated with the commonly used open release procedure. The newly developed technique with associated instrumentation for this surgical procedure was proven to be feasible under the in vitro conditions of this investigation.
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