The operation time is shortened. The aseptic disposable handle is controlled by the power supply, and the disposable handle is set faster. There is no need to clean, check and sterilize before the operation. It reduces the demand for a variety of traditional instruments. The effective removal of nucleus pulposus is accurate and predictable. It can reduce the nerve root decompression. Regardless of the patient's age and the degree of intervertebral disc hydration, it can effectively ablate the tissue safely The cooling and fluid based cutting function eliminates the risk of thermal injury to tissues. The circular non-invasive endoresector design reduces the risk of annulus fibrosus puncture and endplate injury. 0.5cm laser marking device insertion depth indicator controls the insertion depth of the device, reducing the number of times the instrument passes through the surgical site, thus limiting the risk of accidental nerve injury