Structure: it is mainly composed of a protective cap, Luer cap, conical fitting, pressure conical fitting, liquid medicine filter, tube, stop clamp, injection site, flow regulator, stopcock and puncture needle parts. 

Function: the product is used in various infusion operations, such as the connection of infusion containers, infusion instruments, infusion sets, etc.; it can also be used to increase the liquid filtration and dosing performance of infusion sets; when combined with infusion, the length of infusion tubes can be increased.

Type: transfusion extension sets, microtubule extension sets, pressure extension sets, connecting tube.