Thus, even if direct penetration of the ulnar nerve is avoided, simply placing a medial epicondyle entry pin adjacent to the nerve may cause injury, presumably by constriction of the cubital tunnel.

• 所以即使避免了直接穿透尺神经，单纯紧靠尺神经打入内上髁骨圆针也会导致尺神经损伤，其原因可能是限制了肘管。