[Anatomical study and clinical application of the sensory perforator flap from the ulnar palmar digtal artery of the little finger].

Objective: To study the anatomical basis of the sensory perforator flap from the ulnar palmar digtal artery of the little finger and its application in reconstruction of soft tissue defect on the finger pulp.

Methods: The origins and distributions of the blood vessels and nerves of the hypothenar region were observed in 6 fresh cadavers whose upper limbs were perfused with red latex. From September 2013 to November 2015,13 cases with soft tissue defects on the finger pulp were treated.