Needle-free infusion joints are an important part of infusion tubing, and have been widely used in terminals of various tubings. With scientific research and continuous introduction of new products, patients' infusion safety is more guaranteed. However, there are still some hospitals in China. Considering the price, they have not been used yet, but the advantages should be seen from the above advantages. It is believed that the needleless infusion connector will be widely used in the clinic in the near future.


1 How to use the needleless infusion connector
Replace with the catheter or infusion pipeline at the same time, and replace any part of the integrity when necessary; ensure that all parts of the infusion device system are consistent to reduce leakage and damage; use a suitable disinfectant to disinfect the cross-section and surroundings of various interfaces, reduce Risk of contamination; friction should be used when disinfecting the connector, and the wiping time should be at least 15 s to remove the microorganisms attached to the surface of the connector; if the end of the infusion connector used is a spiral mouth design, the infusion solution matched with it
The device should also be a spiral mouth design.

2 Replacement time of needleless infusion connector
The 2011 version of the American Infusion Care Association did not clearly state the replacement time of the needle-free infusion connector, nor is it conclusive in China. Qiu Yingmei ™ and others carried out bacterial culture research on the joint flushing solution, showing that the bacterial growth time of 99% of the flushing solution is 11.58 ~ 25.10; therefore, it is considered safe to replace the infusion joint time <11;

3.3 Need to replace the needleless infusion connector
Connectors fall off for any reason; there is residual blood in the connector; blood needs to be drawn from the catheter before and after culture; the connector is suspected of being contaminated; the provisions of operating procedures or practical guidelines;

4 Operation steps for replacing the infusion connector
① Article preparation: infusion connector, normal saline pre-rinsing solution, 75% ethanol cotton sheet;
② Check the patient and explain the operation process to the patient;
③ Open the outer packaging of the connector and pre-flush the infusion connector with physiological saline;
④ Remove the original infusion connector;
⑤ Disinfuse the infusion with 75% ethanol cotton
Cross section and surrounding of the joint;
⑥ Connect the new infusion connector to ensure a tight connection;
⑦ Connect the syringe and flush the catheter with pulsed positive pressure;
⑧ Record the connector replacement time and signature.


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