An implantable apparatus for moving a fluid to or from a cavity in a human or mammal patient, comprising: - a fluid movement device, (250, 100) - an energy source (254, 123, 123a) adapted to supply energy to said fluid movement device, and - at least one connecting tube connected to said fluid movement device, the fluid movement device and the tube forming a fluid moving arrangement, wherein the arrangement is adapted to be implanted inside the body of the patient, and wherein said tube is to be interconnecting one part, a treatment area, of the body with another part of the body, a delivery area, and said fluid movement device is adapted to move fluid from the one part of the body via the connecting tube to the other part of the body and characterized in; that the at least one connecting tube is provided with a combined securing and sealing device (258, 96) adapted for long term securing the tube onto an organ, comprising a net structure (258, 96) at a distance from the tube end, and being adapted to by overgrowth of human fibrotic tissue attaching the net to the tissue or organ, wherein the tube is adapted to be inserted into an organ of the patient with a net structure on the outside in at least one of the delivery area and treatment area, wherein said tube is adapted to enter said organ in a tube passageway, wherein the combined securing and sealing device is adapted for long term closing of the tube passageway around the tube and for long term securing the tube onto an organ, wherein the combined securing and sealing device comprises a patch comprising the net mounted onto the tube adapted to a seal of overgrowth of human fibrotic tissue over the net and the patched part of said organ. - a fluid movement device, (250, 100) - an energy source (254, 123, 123a) adapted to supply energy to said fluid movement device, and - at least one connecting tube connected to said fluid movement device, the fluid movement device and the tube forming a fluid moving arrangement, wherein the arrangement is adapted to be implanted inside the body of the patient, and wherein said tube is to be interconnecting one part, a treatment area, of the body with another part of the body, a delivery area, and said fluid movement device is adapted to move fluid from the one part of the body via the connecting tube to the other part of the body and characterized in; that the at least one connecting tube is provided with a combined securing and sealing device (258, 96) adapted for long term securing the tube onto an organ, comprising a net structure (258, 96) at a distance from the tube end, and being adapted to by overgrowth of human fibrotic tissue attaching the net to the tissue or organ, wherein the tube is adapted to be inserted into an organ of the patient with a net structure on the outside in at least one of the delivery area and treatment area, wherein said tube is adapted to enter said organ in a tube passageway, wherein the combined securing and sealing device is adapted for long term closing of the tube passageway around the tube and for long term securing the tube onto an organ, wherein the combined securing and sealing device comprises a patch comprising the net mounted onto the tube adapted to a seal of overgrowth of human fibrotic tissue over the net and the patched part of said organ.