Peristaltic pump configured to receive a fluid line, said peristaltic pump comprising: - a stator comprising a pump race; - a rotor surrounded at least partially by the pump race and configured to rotate about a rotor axis, said rotor comprising: o at least one contrasting element configured to abut against the fluid line, the at least one contrasting element being movable towards and away with respect to the rotor axis and the pump race between: ▪ a released position wherein the at least one contrasting element is away from the pump race, and ▪ an operative position wherein the at least one contrasting element is approached to the pump race and configured to abut against the fluid line, in the released position the at least one contrasting element being at a distance from the pump race higher than in the operative position, o a thrusting element configured to act, at least in the operative position, in thrust on said contrasting element in an outwardly direction towards the pump race; and - a releasing system comprising a releasing member movable between an active position and a rest position; wherein the peristaltic pump is configurable in at least: - an operative configuration wherein the releasing member is moved in the rest position to allow the at least one contrasting element to move in the operative position, the contrasting element being thrusted by the thrusting element in the outwardly direction; and - a released configuration wherein the releasing member is moved in the active position, said releasing member engaging the contrasting element and moving the contrasting element in the released position away from the pump race; characterized in that the releasing member is borne by the stator and is spatially shifted with respect to the rotor axis. - a stator comprising a pump race; - a rotor surrounded at least partially by the pump race and configured to rotate about a rotor axis, said rotor comprising: o at least one contrasting element configured to abut against the fluid line, the at least one contrasting element being movable towards and away with respect to the rotor axis and the pump race between: ▪ a released position wherein the at least one contrasting element is away from the pump race, and ▪ an operative position wherein the at least one contrasting element is approached to the pump race and configured to abut against the fluid line, in the released position the at least one contrasting element being at a distance from the pump race higher than in the operative position, o a thrusting element configured to act, at least in the operative position, in thrust on said contrasting element in an outwardly direction towards the pump race; and o at least one contrasting element configured to abut against the fluid line, the at least one contrasting element being movable towards and away with respect to the rotor axis and the pump race between: ▪ a released position wherein the at least one contrasting element is away from the pump race, and ▪ an operative position wherein the at least one contrasting element is approached to the pump race and configured to abut against the fluid line, in the released position the at least one contrasting element being at a distance from the pump race higher than in the operative position, ▪ a released position wherein the at least one contrasting element is away from the pump race, and ▪ an operative position wherein the at least one contrasting element is approached to the pump race and configured to abut against the fluid line, in the released position the at least one contrasting element being at a distance from the pump race higher than in the operative position, o a thrusting element configured to act, at least in the operative position, in thrust on said contrasting element in an outwardly direction towards the pump race; and - a releasing system comprising a releasing member movable between an active position and a rest position; - an operative configuration wherein the releasing member is moved in the rest position to allow the at least one contrasting element to move in the operative position, the contrasting element being thrusted by the thrusting element in the outwardly direction; and - a released configuration wherein the releasing member is moved in the active position, said releasing member engaging the contrasting element and moving the contrasting element in the released position away from the pump race;