Port system with opposing clamping jaws

A port for a catheter, the port comprising:

• a chamber for receiving active substances, the chamber arranged in a housing and closed off by a piercable membrane,
• a connecting piece, the connecting piece capable of connecting to the catheter and in fluid communication with the chamber;
• movable clamping jaws, the clamping jaws having clamping faces that are situated opposite one another, the clamping jaws being movable from a first position, in which the clamping jaws are spaced away from the housing laterally, to a second position in which the clamping jaws fix the catheter in place between their clamping faces by a clamping action, the clamping jaws being connected to the housing when the clamping jaws are in each of the first position and the second position, and
• wherein the clamping jaws are movable relative to each other capable of clamping a catheter therebetween.