Novel artery puncture remaining needle

The utility model discloses a novel artery puncture indwelling needle which comprises a sheathing canal (1) and a puncture needle (2), a main channel (11) and a side channel (12) are arranged in the sheathing canal (1), a rotating valve located at the joint of the main channel (11) and the side channel (12) is arranged in the sheathing canal (1), and a catheter (14) capable of being inserted into a blood vessel along with the puncture needle (2) is arranged at one end of the sheathing canal (1). And the main channel (11) and the side channel (12) in the sheathing canal (1) are communicated or closed by rotating the rotating valve. Therefore, blood can be prevented from flowing out of the sheath tube (1) after the puncture needle (2) is pulled out, meanwhile, the side channel (12) which can be independently closed or opened is arranged in the sheath tube (1), and some relevant necessary medical operations can be carried out through the side channel (12). 本实用新型公开了一种新型动脉穿刺留置针，包括：鞘管(1)、穿刺针(2)，鞘管(1)内设有主通道(11)和侧通道(