Described is an apparatus for administering liquids to a human intravenously via an implanted port. The apparatus includes a primary catheter in fluid communication with a hollow needle and connectable to a bag for providing liquid； a push-button mechanism coupled to the hollow needle and configured so that depressing the push button mechanism inserts the hollow needle into the implanted port to provide liquid communication from the primary catheter, via the hollow needle, to the implanted port； and the primary catheter embedded within a flexible, polymer sheath, wherein the flexible polymer sheath has a removable cover on a front surface to protect the push button mechanism and adhesive on at least a portion of the back surface, the adhesive being covered with a removable backing.
