Patent ID: 7611498

Claim:
An arrangement for coupling an intravenous hose having a roller clamp with an infusion pump with a housing to deliver a medicinal solution to a patient, comprising: a hose clamp that can be coupled with the intravenous hose and can be displaced between an open position, in which the medicinal solution can flow through the hose, and a closed position, in which the hose is closed by the hose clamp, a device mounted on the door or lid of the housing, that can be engaged with the hose clamp to bring it to the open position from the closed position, wherein the hose clamp has clamping surfaces in the form of legs which can move relative one another about a hinge, the legs being enveloped on their outside by a biased clamping spring, wherein the device is formed by an expander rib that is fastened on the inside of the door and can be brought into engagement with the legs of the hose clamp so that to produce the open position after closing the door to expand the legs, wherein the housing has a receiver, into which the hose clamp can be snapped, and wherein a locking device is present in the housing that prevents the closing of the door if the hose clamp is not inserted into the receiver and permits the closing of the door when the hose clamp is fully inserted wherein the locking device is formed by a locking slide biased by means of a spring, said locking slide interacting with a stop on the inside of the door and slides on an inclined surface of the stop when the hose clamp is inserted into the infusion pump to bring about the open position and the door is closed.