Needle is kept somewhere thoroughly to controllable blood

The utility model relates to a needle is kept somewhere thoroughly to controllable blood, including puncture needle with keep somewhere the needle main part, keep somewhere the needle main part and include the pipe seat, press from both sides tightly pipe, luer connector, lu ergai, needle -prick prevention protection device, filter and tampon, puncture needle includes needle tubing and pipe, the needle tubing cover in the pipe and together run through in in keeping somewhere the needle main part, keeping somewhere the needle main part and still including controllable part and the tight pipe of extension clamp, controllable part includes safety clamp and capacity signboard, the tight pipe is pressed from both sides in the extension is the extension section of pressing from both sides tight pipe, and the other end of the tight pipe of extension clamp is connected with luer connector, the through -hole has been seted up at both ends around the safety clamp for the extension clamp is tightly managed the cross -un