Venous indwelling needle flow monitoring device

The utility model discloses a venous indwelling needle flow monitoring device which comprises an indwelling needle, an infusion apparatus and a flow monitoring structure, the indwelling needle is detachably connected with the infusion apparatus, the infusion apparatus is detachably connected with the flow monitoring structure, and the flow monitoring structure comprises a locking structure. The locking structure is movably connected with the flow monitoring structure, and the locking structure is used for locking and fixing the flow monitoring structure and an infusion apparatus. According to the technical scheme, the indwelling needle, the infusion apparatus and the flow monitoring structure are arranged to achieve the effects of recognizing and recording the flow speed in the infusion tube, and when the infusion tube is blocked (such as small thrombus) or the flow speed is too high (liquid leakage), the sensor gives an alarm to remind medical staff. 本实用新型公开了一种静脉留置针流量监测装置，其包括留置针、输液器和流量监测结构，所述留置针与所述输液器可拆卸连接，所