5.1 First of all, educate patients

5.1 First of all, educate patients and their families, explain the use and importance of indwelling needles, and teach them to understand the nursing knowledge of indwelling needles, common complications and preventive measures. During catheterization, keep the puncture site dry, clean and avoid showering. Prevent complications such as infection, tube blockage and fluid leakage. Please cooperate during the operation to increase the success rate of the puncture operation.5.2 Choosing the right type of needle to stay in the blood vessel or vein is the key to successful puncture. According to the patient’s age and vascular condition, select clearly visible blood vessels, cut the nodules, fill at 2 cm, large diameter, elastic, no venous valves, easy to fix blood vessels to avoid. Choose the type of indwelling needle according to the thickness of the blood vessel.5.3 You need to master the puncture technique. If the blood vessel is not elastic, the blood flow pressure is low, and the tube diameter is insufficient, the blood vessel should be expanded first and then disinfected. The needle should be at an angle of 15 to 30° with the container, the movement should be light and stable, the direction of the container should be clearly visible, and the container should be inserted into the container immediately. Inject the cannula hose into the blood vessel to secure the outer cannula and gently remove the needle core.Summary of patient health, hospital nurses and nursing relationship with patients. Throughcommunication links, I deeply feel that as a nursing staff, I not only do a good job in meeting the needs of experts, but also in caring for them. Very good. Very skilled in professional skills, caring for the patient's internal health, caring for the patient from both physical and psychological aspects, fully mobilizing the patient's enthusiasm to cooperate with the treatment, it is necessary to eliminate the patient's psychological resistance and ease the contradictions between the patients. And hospitals, this is not only very important for the prevention of intravenous indwelling needle injections and care.