How to use the indwelling needle?
When the indwelling needle is used, it is best to ask the professional nurse of the hospital to operate, so as to avoid the adverse consequences of air embolism when it is not used properly. The usage method is as follows:
First of all, it is necessary to prepare the articles. When injecting, it is necessary to choose thick and straight blood vessels with good elasticity, avoid venous valves and joints, and then disinfect the skin, the disinfection range is 8×8 cm. Then remove the protective cap and loosen the needle core. Then connect the scalp needle, exhaust; Then the vein is punctured and the needle is withdrawn; Finally, the catheter was placed into the vein, the tourniquet was released, and the drip rate was adjusted.
The use of indwelling needle can not only reduce the children's pain caused by repeated venipuncture and fear of injection, but also reduce the anxiety of parents. The use of indwelling needle can also reduce the workload of nurses, so intravenous indwelling needle is widely used in clinical practice.







