众所周知，多年来肢体恶性骨肿瘤的治疗一直以截肢作为主要治疗手段，这给患者造成了极大的身心痛苦．降低了患者的生命质量。近年来，虽然出现人工假肢置换、异体骨移植、酒精灭活等保留肢体手段。但多因手术复杂，治疗费用昂贵．合并症多而不被推广．同时也因无法从根本上提 It is well-known that the treatment of malignant bone tumors for many years has been used as the main treatment for amputation of limbs, which has caused great physical and mental pain to patients. Reduces the patient’s quality of life. In recent years, artificial limb replacement such as artificial prosthetic replacement, allogeneic bone transplantation, and alcohol inactivation has occurred. However, due to the complexity of surgery, the cost of treatment is expensive. Many complications are not promoted. At the same time, it cannot be fundamentally