A break in the integrity or continuity of a bone is called a fracture. As we age, bone aging and osteoporosis are prone to fracture, so fracture is a common and frequent disease among the elderly, and also a geriatric disease with a high disability rate. The vertebrae are mainly composed of cancellous bone, and because of the osteoporosis of the elderly, compression fractures can easily occur as a result of mutual compression and collapse of bone tissue. In general, most spinal compression fractures occur unknowingly without an obvious history of injury. Those who are not in severe pain do not need strict bed rest; those who are in severe pain need to be bedridden for a short period of time, take painkillers, and can turn around casually in bed; the elderly should not be bedridden for a long time either, and can wear lumbar braces if necessary. Such fractures often occur many times in different parts of the body in the elderly, causing hunchback in the elderly. So far, there is no effective and safe method to restore the already osteoporotic bone tissue to normal. Therefore, osteoporotic spinal compression fractures have become a serious health risk for the elderly. A safe and effective treatment for such compression fractures has been lacking. Previous methods of treating vertebral compression fractures include: 1. medication. This is not effective. 2. Bed rest. Because reduced activity exacerbates bone loss and further worsens osteoporosis. 3. Anesthesia and analgesia. May be ineffective because it can only relieve pain, not correct the deformity. 4. Wearing a brace. Effective in the short term, but does not provide long-term functional improvement. 5. Open surgical treatment. It is only suitable for a small number of patients with neurological symptoms, and the surgery itself is invasive and aggravates bone loss. In recent years, a new technique has been introduced for the clinical treatment of osteoporotic spinal compression fractures, which we call vertebral kyphoplasty or balloon-expandable vertebroplasty. The principle is to drill a hole in the compressed vertebral body and deliver a specially designed airbag about 15 mm in size into the center of the vertebral body, then inflate the airbag, which gradually holds up the collapsed vertebral body. When the shape of the vertebral body returns to that of a normal vertebral body, the airbag is removed and bone cement is injected through the hole into the cavity in the center of the vertebral body. The bone cement sets and is harder than the original bone, which ensures that the recovered vertebrae will not be compressed again. And the deformity of the spine is corrected. After several years of clinical application, our department has confirmed that the clinical efficacy of this technique is satisfactory, and it is minimally invasive, as long as the operation is performed through skin puncture under local anesthesia, and the operation time is usually about half an hour. deformities. In addition, this technique can treat not only compression fractures of the spine in the elderly, but also tumors such as intravertebral hemangioma and myeloma, as well as vertebral burst fractures, and has a broad clinical application.