The peristaltic pump (1) comprises a rotor with rollers, a mobile jaw
having an open position and a closed position, and further comprises, on
each side of the rotor, a locating member for said tube adapted to
receive it when it is pressed in and to allow it to slide in the
longitudinal direction in which the locating member extends, said
locating members being disposed in a line between the rotor and the
mobile jaw in the open position.