Ostomy bag vent system for use in venting a gas from an interior of an ostomy collection pouch Patent N° EP4120968A1 Paul Rea January 28, 2026 Previous patent image Next patent image Ostomy bag vent system for use in venting a gas from an interior of an ostomy collection pouch View on Google Patents Ostomy bag vent system for use in venting a gas from an interior of an ostomy collection pouch Download PDF