The accessory is used to the infusion bag

The utility model discloses an accessory is used to the infusion bag, including the accessory body and the gasket on its lumen upper portion that is provided, wherein, fixed welding has the clamping ring on the last port of accessory body, and the clamping ring includes the presser foot that is used for the welded pressure disk and is used for the pressure equipment gasket, and the presser foot provides in the bottom of pressure disk, said pressure disk with the fixed welding back of last port of said accessory body, presser foot dip nozzle intracavity portion and pressure equipment come the pressure equipment setting up piece on the upper surface of gasket. The utility model relates to an accessory is used to the infusion bag can realize adding drug and infusion function. The one of which body structure doing benefit to when production infusion to need not the seal lid again and in order to realize sealed to the body, reduce welding processes, reduces and leads to the fact contaminative risk to the liquid medicine because of the secondary welding, through set up the clamping ring on the gasket, effectively strengthen the installation fastness of gasket, can effectively avoid because of the not hard up condition that the weeping appears of gasket in the use. This product structural design is simple, and the quality is light, possesies great cost advantage.