US Patent 11801156 Anti-reflux component for a stomal output collecting bag

Disclosed is a collecting bag configured to collect urine or stomal fluids from a stoma of a user, particularly a urostomy. Further discloses is an anti-reflux component to prevent reflux of collected fluids from a collecting volume to an inlet opening of a collecting bag. The anti-reflux component includes interior, proximal and distal contoured sheets connected to each other such as to define a passage between them towards the collecting volume. The sheets are further attached to each other to define two or more non linear connection zones.