Department of Hand Surgery Union Hospital Tongji Medical College Huazhong University of Science and Technology Wuhan 430022 China;
Department of Hand Surgery Union Hospital Tongji Medical College Huazhong University of Science and Technology Wuhan 430022 China;
Department of Hand Surgery Union Hospital Tongji Medical College Huazhong University of Science and Technology Wuhan 430022 China;
muscle feeding artery; recipient vessel; end-to-end anastomosis; end-to-side anastomosis;