11只1月龄新西兰白兔,随机分成2组。第一组5只,第二组6只。以盐酸赛拉嗪和氯胺酮肌肉注射麻醉,各种操作均在无菌条件下完成。第一组动物,先分离耳背中央动脉、静脉、神经,再以小片髂骨包绕,12个月后取标本。第二组动物同法制备预成骨瓣,在制备完成后30d,将预成血管化骨以血管神经束为蒂,经皮 Eleven New Zealand white rabbits aged 1 month were randomly divided into two groups. The first group of 5, the second group of 6. Anesthetic with intramuscular injection of xylazine hydrochloride and ketamine, various operations are done under sterile conditions. The first group of animals, the first separation of the dorsal middle artery, veins, nerves, and then a small piece of ilium, 12 months later to take specimens. The second group of animals with the same method to prepare preoperative bone flap, 30d after the preparation is completed, the pre-vascularized bone pedicle vascular pedicle, percutaneous