Hemodialysis Catheter Kit, Standard, Double lumen 12Fr-20cm, curved type 1.The main tube is made of biocompatible Polyurethane,tested for toxicity and hemocompatability,and become softer at body temperature.2.Radiopacity facilitates confirmation of catheter placement.3.Rotating suture wing provides secure external anchoring,availing to adjust position of the tube.4.With heparin cap to prevent infection.5.With distinct marks in clamp to distinguish artery and vein.The extensions are made of medical grade silicone with good elasticity.6.The extensions are curved for jugular vein approaches to make the catheter more comfortable for the patient.