Patent ID: 9101483
Filing Date: 2015-08-11
Classification: A61F

Abstract:
1. An ostomy bag with a front wall, a rear wall with a waste inlet opening, an intermediate filter element having a first wall and a second wall, with the first wall closer to the front wall of the ostomy bag than the second wall is to the front wall of the ostomy bag, and at least one deodorising filter is positioned at the first wall or the second wall of the intermediate filter element or in contact with both the first wall and the second wall of the intermediate filter element; wherein gas-inlets for the deodorising filter are provided in both the first wall and the second wall of the intermediate filter element; wherein the first wall of the intermediate filter element is connected to the rear wall of the ostomy bag by a connection zone of the intermediate filter element and the second wall of the intermediate filter element is connected to the front wall of the ostomy bag by the connection zone of the intermediate filter element; and wherein the intermediate filter element is an insert interposed between the rear wall and the front wall of the ostomy bag so that a top portion of the ostomy bag has four layers of foil formed as a concertina structure, the first wall and the second wall of the intermediate filter element are welded together at the connection zone; wherein the first wall and the second wall of the intermediate filter element have a rounded top portion generally corresponding to the top portion of the ostomy bag, with the first wall of the intermediate filter element connected to the rear wall by the rounded top portion and the second wall of the intermediate filter element connected to the front wall by the rounded top portion.