What's the IV catheter with injection port？

IV catheter with injection port is placed inside a vein to provide venous access, in order to reinfuse next time after one infusion. Venous access allows sampling of blood, as well as administration of fluids, medications. With a soft cannula, the intravenous indwelling needle is operated easily, it can generally indwell for 3 days, reduce the patients’ suffering due to penetrating repeatedly, protect blood vessels and reduce the probability of phlebitis.