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Venous Transfusion Needle Filter
Venous Transfusion Needle Filter
Self-sealing filter is a kind of porous plastic product which is made by UHMW-PE with special additibe. Air can go through the porous filter but when liquid contact with it, it swells up immediately and cut off the liquid flow. Its function is like a poro
Product Description
Infusion Needle Filter
Venous Transfusion Needle Filter


Self-sealing filter is a kind of porous plastic product which is made by UHMW-PE with special additibe. Air can go through the porous filter but when liquid contact with it, it swells up immediately and cut off the liquid flow. Its function is like a porous valve. 

Porous self-sealing filters are installed at the end of infusion needle. When venous transfusion starts, the air inside infusion tube can be vented through it but the liquid will be stopped when swells up. It protects the environment, meanwhile reduce the waste of infusion liquid. 

Dimensions can be tailor makde at customer request. 

Material: UMHW-PE 
Sealing pressure can be up to 50kPa
Dimension accuracy can be up to 0.01mm