A resectoscope having a laser fiber, which is mounted to be longitudinally displaceable and emits light at its distal end as well as having a carriage, which is mounted so that it is longitudinally displaceable on the resectoscope and has an elongated bore, which is stationary on the carriage in at least some regions and is designed to receive the laser fiber, and having a clamping device designed for connecting the laser fiber to the carriage by clamping, wherein the clamping device has a clamping body, which is mounted so that it is movable on the carriage across the bore and in which a region of the bore that is moved with the clamping body is arranged.
