STOMA BAG WITH FILTRATION SYSTEM Russian patent published in 2016 - IPC A61F5/441 

FIELD: medical equipment.

SUBSTANCE: invention refers to medical equipment, namely to stoma devices. Stoma device comprises two opposite panels including front panel and rear panel, at least partially sealed to each other along their periphery to form outer edge. At that, said panels form bag for collection of body excrements. At that, one of named opposite panels has stomal hole to accommodate around stoma to collect in said bag extractions of body, recovered through stoma. Said bag includes filter for deodorisation of odorous gas from body extractions and discharge holes to discharge said deodorised gas into atmosphere, wherein filter is connected to front panel, and having folds central panel, containing first edge and second edge between said opposite panels, at least partially covering said filter for protection of specified filter and suppress bloat of said bag from gas accumulated in said bag. At that, first edge is attached to outer edge and second edge is secured with gaps to front panel by means of multiple linear welding points for formation of additional material in form of folds, corrugation or bends.

EFFECT: invention increases resistance to clogging, with small dimensions of filter.

4 cl, 4 dwg, 5 tbl