STOMA BAG Russian patent published in 2014 - IPC A61F5/447 

FIELD: medicine.

SUBSTANCE: invention refers to medicine. A stoma bag involves an external chamber and an internal chamber. The external chamber comprises an upper part and a lower part. The internal chamber can comprise a non-return valve. The non-return valve limits the waste outflow from the lower part of the bag into the upper part. The non-return valve can accommodate a displacement device. The displacement device can be longer than bases of the internal chamber walls. The bag can comprise a washing system that provides the simultaneous washing of the internal and external chambers. A washing tube for the washing system can have some slots along the washing tube. The washing tube is provided in the internal chamber and the lower part of the external chamber.

EFFECT: stoma bag prevents the stoma region from a substantial contact with the excretions and waste gastric fluids.

20 cl, 7 dwg