Ostomy bag including a multiple layer filter

Details Ostomy bag including a multiple layer filter Ostomy bag including a multiple layer filter

1990-07-03

1991-12-24

Yasko, John D.

Surgery

Means and methods for collecting body fluids or waste material

Receptacle attached to or inserted within body to receive...

553854, 55387, A61F 544

Patent

active

050748513

ABSTRACT:
A bag or pouch for receiving discharge from the human body is made of two superposed sheets of synthetic plastics material joined around their edges and has a filter attached to an upper part of an interior surface of one of the walls, there being a hole or slit in the wall to allow gases exiting the filter to pass to the exterior of the bag or pouch, and an intervening wall is included to separate the filter region from the remainder of the interior of the bag or pouch, said wall being characterized by having a series of scattered holes therein, there being from 100 to 300 holes per square inch (155000 to 465000 holes per square meter) and each hole having a maximum dimension of from 130 to 340 microns. A filter is disclosed for use with the bag which includes the following components laminated together in the following order:

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