A COLLECTING BAG FOR AN OSTOMY APPLIANCE

A collecting bag (20) for an ostomy appliance including an insert member which includes two layers (36, 38) of polymeric film located between a proximal wall (25a) and a distal wall (25b) of the collecting bag at least at a top half of the bag. One of the layers of polymeric film of the insert member comprises a penetrable or weakened zone (52) which is adapted to be penetrated by a conduit or similar by a means for delivering a cleaning liquid. The collecting bag makes it possible for a user to clean the peristomal skin surface or area with a cleaning liquid with the collecting bag still being attached to the user's body.