A method for inflating an inflatable balloon of a catheter for a bowel irrigation system is disclosed. The bowel irrigation system comprises a container for holding a liquid, a catheter, a tubing connecting the container and the catheter, a pump, a control unit, and a pressure sensor. The catheter is adapted for being inserted into a rectum of a user and comprises an inflatable balloon. The pump is adapted for pumping liquid from the container to the balloon through the tubing. The control unit comprises a processor. The pressure sensor is in fluid communication with an interior of the inflatable balloon. The method comprises the steps of providing a liquid in the container and initiating an inflation process comprising a feedback loop comprising the steps of (i) inflating the balloon by a predefined amount of liquid, (ii) assessing a static pressure inside the balloon, and (iii) selecting an output based on the static pressure as assessed according to step (ii), the output being selected from restarting the feedback loop according to step (i), skipping step (i) and proceeding to assessing the static pressure according to step (ii), and terminating the feedback loop. Thereby, a method for providing a stepwise inflation of an inflatable balloon for a bowel irrigation system is provided.L'invention concerne un procédé de gonflage d'un ballonnet gonflable d'un cathéter destiné à un système d'irrigation intestinale. Le système d'irrigation intestinale comprend un récipient pour contenir un liquide, un cathéter, un tube reliant le récipient et le cathéter, une pompe, une unité de commande et un capteur de pression. Le cathéter est conçu pour être inséré dans le rectum d'un utilisateur et comprend un ballonnet gonflable. La pompe est conçue pour pomper le liquide du récipient au ballonnet à travers le tube. L'unité de commande comprend un processeur. Le capteur de pression est en communication fluidique avec l'intérieur du ballonnet gonflable. Le procédé comprend les étap
