1、Product introduction：The product can establish aisle in lumbar posterior decompression with fusion surgery. The product is disposable and made from medical polymer materials.
2、Indications: For the establishment of lumbar posterior surgical access.
3、Clinical advantage of product：（a）panoramic lighting，closed surgery field, exposure vertebral pedicle-- vertebral pedicle;（b）The system makes doctors see directly in surgery, decompressing and fusing accurately through X-ray.（c）Different types of expansion channels are combined to meet the needs of multiple patients.（d） Expanding the sleeve step-by-step. a simple measurement technology, effective expansion.（e） For avoiding cross-infection , the system is disposable.