An insert structure is proposed for insertion into an orifice, a canal, a tube and the like of a human or animal creature such as an ear canal, an intestinal tract, a gullet, etc. The insert structure comprises at least one longitudinally extending insert member (3) and a plurality of at least nearly perpendicularly extending further members (5, 7, 9), placed longitudinally at a distance to each other along the insert member, the further members (5, 7, 9) being at least of a flexible and/or soft material.