Novel marrow infusion puncture device

The utility model discloses a novel bone marrow infusion puncture device which comprises a puncture needle, a hand support, a body, a cover body, a catheter, a three-way connecting pipe, an adjuster,a filter, a catheter connector and a needle core. According to the utility model, the cover body, the conduit and the three-way connecting pipe are utilized; the medullo-puncture needle can be connected with an infusion apparatus (or a blood transfusion apparatus) through the main pipeline and the catheter connector, the side hole channel of the three-way connecting pipe is connected with the injector (or the infusion apparatus) according to disease requirements, medicine can be infused repeatedly, the connecting position does not need to be disconnected during repeated medicine adding, operation is convenient, simplicity and practicability are achieved, efficiency is high, and pain of patients and medical expenses are reduced. 本实用新型公开了一种新型骨髓输液穿刺装置，包括穿刺针、手托、本体、盖体、导管、三通连接管、调节器、过滤器、导管连接头和针芯；本实用新型利用盖体、导管和三通连接管，可以将骨穿针