... co-extrusion technology will be applied in the multi-layer catheter production line● Application of the LineMainly for producing all kinds ... catheters, such as, the oxygen catheter, blood transfusion catheter,indwelling catheter, drainage catheter, central venous catheter, anesthesia catheter, urethral catheter, capillary catheter, perforated catheter, etc.Suitable materials are PVC, PE ...