Percutaneous nephroscope puncture sheath capable of regulating and controlling intrarenal pressure

The invention discloses a percutaneous nephroscope puncture sheath capable of regulating and controlling intrarenal pressure. The percutaneous nephroscope puncture sheath comprises a sheath tube, a grip, a liquid tube, a flushing suction pump, a flushing fluid bag, a controller, a transmission line and a piezoelectric film sensor. The piezoelectric film sensor is arranged in an interlayer of a sheath body of the puncture sheath, and is used for monitoring intrarenal pressure, a monitoring result is fed back to a controller in real time, the controller controls work of a negative pressure suction pump, and the intrarenal pressure is maintained within a standard range by pumping out water in the kidney, reducing the intrarenal pressure or injecting water into the kidney. 本发明公开了一种可调控肾内压的经皮肾镜穿刺鞘，包括：鞘管、握把、液体管、冲洗吸引泵、冲洗液袋、控制器、传输线、压电薄膜传感器；该穿刺鞘鞘体夹层内有压电薄膜传感器，通过压电薄膜传感器监测肾内压，监测结果实时反馈至控制器，由控制器控制负压抽吸泵的工作，通过抽出肾内水，降低肾内压，或者向肾内注水，以此将肾内压维持在标准范围内。