Patent ID: 8764717

Claim:
A sealing wafer adapted to be arranged in a stoma receiving hole of a base plate, the sealing wafer comprising; a wall connected between an annular orifice and a flange, the flange is located on a distal side of the sealing wafer and is adapted to be attached to the base plate, and the annular orifice of the sealing wafer has an interior surface that defines a through-going hole for receiving a stoma; an inner seal connected to the annular orifice, the inner seal is located on a proximal side of the sealing wafer such that the annular orifice is located between the flange and the inner seal; and an urging part connected to an exterior surface of the wall; wherein the urging part is configured to contact an exterior surface of the inner seal when the inner seal is moved in a direction toward the flange, which allows the inner seal to contact a surface of the stoma.