Chinese Journal of Clinical Anatomy >
Clinical anatomical study of chain-link island flap based on the descending branches of supracarpal cutaneous branches of the ulnar artery
Received date: 2013-11-10
Online published: 2014-04-21
Objective To provide the anatomical information for covering the defect on the hand and forearm with the chain-link island flap pedicled with the descending branches of supracarpal cutaneous branch of the ulnar artery. Methods A total of 12 fresh cadaveric upper extremities that were divided from the elbow joint were used in the research:10 specimens were perfused with red latex for microanatomy, 2 specimens were perfused with plastic and eroded to be vascular cast mold to observe the origin，course, diameter and linking form of the descending branches of supra carpal cutaneous branch of the ulnar artery. Results The distance from the ulnar styloid process to the fifth metacarpophalangeal joint on the ulnar dorsum of hand was assumed as a unit, the two cluster points of cutaneous clusters of the descending branches of supra carpal cutaneous branch of the ulnar artery were in the location of 18.2%±7.0% that contain 2.3 perforators and 66.4%±16.7% that contain 4.4 perforators. There was no significant difference on the radial and ulnar side distribution of the cutaneous branches arising from the descending branches of supracarpal cutaneous branches of the ulnar artery. The cutaneous branches extended from the descending branches of supra carpal cutaneous branch of the ulnar artery linked each other to form a vascular chain paralleled to the main blood and provided the blood to the skin. Conclusions The chain-link flap is available to repair the small tissue defect in hand or forearms with the reservation the main vessel.
LIU Feng , ZHENG Wei-Mao , LI Hong-Liang , ZHENG Xue-Feng , WANG Yu-Long , DING Zi-Hai- . Clinical anatomical study of chain-link island flap based on the descending branches of supracarpal cutaneous branches of the ulnar artery[J]. Chinese Journal of Clinical Anatomy, 2014 , 32(2) : 137 -140 . DOI: 10.13418/j.issn.1001-165x.2014
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