An ostomy pouching device for the removal of biological waste from a patient.An embodiment of an ostomy pouching device includes an outer container housingan innerbag for receiving waste from a patient's bowel. The device includes a bowelconnector toconnect the bowel to the inner bag. The outer container includes an air exitaperture throughwhich air may exit the container as it is displaced as the inner bag expands,and a gas tunnelfor removing gas from the inner bag.