US 12,318,324 B2
Ostomy appliance
Clare Holden, Flintshire (GB); Alice Young, Flintshire (GB); and Kevin Evans, Flintshire (GB)
Assigned to CONVATEC LIMITED, Flintshire (GB)
Filed by ConvaTec Limited, Flintshire (GB)
Filed on Jun. 1, 2021, as Appl. No. 17/335,644.
Application 17/335,644 is a continuation of application No. PCT/GB2021/051336, filed on Jun. 1, 2021.
Claims priority of application No. 2008232 (GB), filed on Jun. 2, 2020.
Prior Publication US 2021/0369486 A1, Dec. 2, 2021
Int. Cl. A61F 5/441 (2006.01); A61F 5/44 (2006.01); A61F 5/442 (2006.01); A61F 5/443 (2006.01)
CPC A61F 5/441 (2013.01) [A61F 5/4404 (2013.01); A61F 5/442 (2013.01); A61F 5/443 (2013.01)] 19 Claims
OG exemplary drawing
 
1. An ostomy appliance comprising:
an inner wall and an outer wall that define a cavity for containing a stomal output, the ostomy appliance having an upper section, a lower section and a waisted section that is located between the upper section and the lower section;
the inner wall comprising, within the upper section:
an inlet for receiving the stomal output into the cavity;
the upper section having a maximum width (A) that is greater than a maximum width (B) of the lower section;
the waisted section having a minimum width (C) that is less than the maximum width (B) of the lower section; and
the waisted section having a left-hand edge that is smoothly rounded and a right-hand edge that is smoothly rounded, and that both the left-hand edge and the right-hand edge smoothly blend, respectively, into left-hand edges and right-hand edges of the upper section and the lower section;
wherein the left-hand edge and the right-hand edge of the waisted section are each concavely-curved having a radius of curvature of 30 mm or greater.