The present invention relates to an anti-reflux valve (10) comprising a mesh scaffolding formed by a plurality of filaments (28), the mesh scaffolding having a distal scaffolding end (14), characterized in that one of the plurality of filaments has a greater length to form a loop (34), the loop extending a distance from the distal scaffolding end, and a valve (36) connected to, and extending longitudinally from, the mesh scaffolding, wherein the valve comprises the loop.
