A device for sealing a colon, and for removing stool therefrom by irrigation, comprising an expandable intrarectal balloon segment formed from an everted tube with two ends, for insertion into the rectum to anchor the device, and a tapered transanal segment adapted to remain at least partially outside the rectum during use, wherein the balloon segment and the transanal segment have no common compartment, wherein both segments comprise drainage parts with a drainage lumen for irrigation of stool from the patient, wherein one of the two ends of the everted tube is passed through the lumen of the intrarectal balloon segment as an inner layer, the inner layer being in contact with a funnel element, and wherein the transanal segment is adapted to collapse upon resting of the sphincter, and comprises part of the intrarectal balloon segment, or a different balloon element.
