Medical treatment blood taking needle

The utility model relates to a medical treatment blood taking needle, including cylinder, syringe needle and a blood sampling section of thick bamboo, be equipped with the piston in the cylinder, the piston is connected with piston rod one end, the piston rod other end is connected with the push pedal, be equipped with the sealing layer on piston one side, be equipped with the fixed loop in the cylinder, be equipped with the round hole in the middle of the fixed loop, be connected between cylinder lower extreme and the blood sampling section of thick bamboo, be equipped with the antiskid cover on the cylinder outer wall. The utility model discloses sealing layer when not using on the piston withstands the round hole on the fixed loop, and seal in the chamber of will drawing blood, can prevent to cause external the infection like this, and the piston removes during the use, in the direct suction blood sampling section of thick bamboo of blood, can prevent that the filth from falling into the needle tubing and polluting the blood preparation, can guarantee the accuracy of inspecting result, has reduced medical staff's intensity of labour, through setting up the antiskid cover, can increase the frictional force between nursing staff's hand and the cylinder, avoid taking place the landing phenomenon.