Department of Orthopedics Hospital Medical University Provincial Key Laboratory of Bone and Cartilage Regenerative Medicine Hospital Medical University Province;
Hebei Medical University Province;
Department of Orthopedics Branch of Southern Hospital Province;
Department of Anatomy of Basic Medical Sciences Medical University Province;
Department of Orthopedics 74th Group Military Hospital of PLA Province;
artificial nerve graft; bioactive; human hair keratin; INTERLEUKIN-1Β; MACROPHAGES; nerve graft; nerve growth factor; nerve repair; peripheral nervous injury; Schwann cells;