US 12,245,965 B2
Ostomy appliance with fold-over filter
Gregory J. Czaplewski, Bloomingdale, IL (US); Rachel A. Hunt, Arlington Heights, IL (US); and Mark W. Jockel, Vernon Hills, IL (US)
Assigned to HOLLISTER INCORPORATED, Libertyville, IL (US)
Appl. No. 17/911,967
Filed by Hollister Incorporated, Libertyville, IL (US)
PCT Filed Apr. 28, 2021, PCT No. PCT/US2021/029638
§ 371(c)(1), (2) Date Sep. 15, 2022,
PCT Pub. No. WO2021/225843, PCT Pub. Date Nov. 11, 2021.
Claims priority of provisional application 63/022,327, filed on May 8, 2020.
Prior Publication US 2023/0172747 A1, Jun. 8, 2023
Int. Cl. A61F 5/441 (2006.01); A61F 5/44 (2006.01); A61F 5/445 (2006.01)
CPC A61F 5/441 (2013.01) [A61F 5/4404 (2013.01); A61F 5/445 (2013.01)] 8 Claims
OG exemplary drawing
 
1. An ostomy appliance comprising:
an outer wall having first and second opposed sidewalls joined at an outer periphery, an inlet opening and a filter, wherein the outer wall defines an interior volume comprising a collection area, and
a fastener on an external surface of the outer wall, the fastener movable between a released state in which the ostomy appliance is in an unfolded state, and a fastened state in which the ostomy appliance is a folded state, wherein the ostomy appliance, in the folded state, further includes a crease positioned between the inlet opening and the filter.