Craniocerebral drilling drainage device

The utility model provides a craniocerebral drilling drainage device. The craniocerebral drilling drainage device solves the technical problems that an existing craniocerebral drilling drainage device is complex in structure, cumbersome to operate, poor in drainage effect and poor in safety. The craniocerebral drilling drainage device is provided with a cranium drill, a cranium cone, a drainage tube and a drainage device suit, wherein the drainage device suit is provided with a tee joint, a liquid inlet tube, a dropper, a liquid outlet tube and a liquid collecting bag, the drainage tube is connected with the tee joint, the tee joint is connected with the liquid inlet tube, the liquid inlet tube is connected with the dropper, the dropper is connected with the liquid outlet tube, and the liquid outlet tube is connected with the liquid collecting bag. The craniocerebral drilling drainage device is further provided with a rubber ring, a threaded tube and a needle core, the drainage tube is provided with a drainage hole and a threaded connector and is sleeved with a threaded tube sleeve, the threaded tube is sleeved with the rubber ring, the needle core is located inside the drainage tube, the drainage tube is provided with a blind end, and the liquid inlet tube is provided with a switch. The craniocerebral drilling drainage device can be widely applied to craniocerebral drilling drainage.