The specially designed rotary cutting needle of our percutaneous disk discectomy rotary cutter removes the nucleus pulposus protruding from the intervertebral disk, and aspirates it out of patient body, to decrease disk pressure, to alleviate or eliminate disk pressing surrounding nerve, thus to treat pain. Scope of Application Disk rotary cutter is used to decrease cervical and lumbar disk pressure. Configuration Puncture needle (with core), dia. 1.6mm, length 150mm, core dia. 1.3mm, 2 pcs; Rotary cutter, 1 pc. Features About 2ml of nucleus pulposus can be cut and aspirated directly, and exact decompression can be observed by naked eye.Tiny rotary cutter head won't damage fibrous rings. Puncture channel can heal by itself within a short time after operation, and won't develop into a tunnel from which nucleus pulposus flows out.After rotary cutting, nucleus pulposus has multiple hollow cavities, and optimum treatment can be achieved if used together with ozone therapy for easier ablation by ozone.Easy, safe and fast operation.Delicate, exquisite and portable device needs no external power supply, with sufficient power itself and rotary cutting capacity for a long time.