国产精品∧Ⅴ在线观看_日韩成人影院是一个直播平台_午夜福利在线观看网址免费版_最近的免费中文字幕视频_国内偷拍经典精品_a级卡电影日本护士视频_亚洲午夜国内自产拍在线观看_ccav成人污污免费下载_日韩亚洲欧美中文在线网_成人A∨电影天堂

產(chǎn)品特點(diǎn)

◆ Hollow and expansion screw design enhances the holding force to sclerotin and is applicable to osteoporosis, expansion of screw path due to repeated screw placement during surgery, spinal revision surgery, etc

適應(yīng)癥

◆ This system is mostly suitable for stabilization surgery for thoracic vertebra and abdominal vertebratrauma, degeneration, deformity, tumor, tuberculosis, etc

禁忌癥

◆ Active general infection, gestation, anabolic disorder, and severe osteoporosis
◆ Local infection at implant site
◆ Generalizedmetastatic tumor, resulting in osteolytic defect of adjacent vertebral body
◆ Drug abuse, mental disease, general neurological disease, and immune suppressiondisorder
◆ Allergy to metals
◆ Patients are unwilling to restrict activity or disobey medical advice