US Patent 8152498 Peristaltic pump with removable tube

A peristaltic pump having a casing defining a tube race, a flexible tube disposed in the tube race, and a rotor with one or more rollers adapted to act against the flexible tube. The casing has a first section having the tube race and a first part of fitting means, and a second section having the rotor and a second part of the fitting means. The first and second parts of the fitting means are a releasable snap-fit together.