Push the pre-punched CRRT machine to the bedside and put it away.
Open the package of CRRT, and disinfect the bypass tee before and after extracorporeal membrane oxygenation oxygenator in turn with sterile gauze;
Ensure that the extracorporeal membrane oxygenation tee is closed, remove the heparin cap and disinfect the interface with sterile gauze;
Connect the syringe and pump back 2ml blood from extracorporeal membrane oxygenation bypass, and put it on gauze to observe whether there is blood clot. If there is a blood clot, pump back 2ml until there is no blood clot. Always hold the end of the syringe during operation to prevent blood from being ejected due to excessive pressure. Make sure that the tee is closed before removing the syringe.
Connect CRRT arteriovenous catheter (posterior membrane blood drawing, anterior membrane blood drawing) to draw blood;
Make sure that the connectors are tightly connected, and then wrap the protective interface with gauze.
CRRT ashore: After blood transfusion, close the extracorporeal membrane oxygenation bypass tee and clamp the arteriovenous end clamp of hemodialysis pipeline. Open the lower package of CRRT and sterilize the joint of extracorporeal membrane oxygenation and CRRT by aseptic operation.
Separate the connection between extracorporeal membrane oxygenation and CRRT, disinfect the bypass interface of extracorporeal membrane oxygenation, rinse with 10ml saline and close the tee, connect the tee with heparin cap and wrap it with gauze.