A medical catheter or tube clamp or support structure that is secured to an infant and holds a medical tube in place to prevent the tube from pistoning (axially moving within the infant relative to the entry point). In one embodiment, the medical tube claim comprises a catheter securing system that further includes a base that further includes at least one base member, a tube support member integrally formed with at least one base member that allows the tube to be inserted into an umbilical cord or stub in a relationally secure manner to prevent the tube from pistoning within an infant, and at one least channel for receiving a tube or catheter of a specified size and for securing the tube or catheter.