Patent ID: 7249693

Claim:
A fluid dispenser for germ-free fluid comprising a through passage connecting an inlet opening for fluid contained in a supply container made of flexible material and a delivery opening for dispensing said fluid and having therein at least one oligodynamically active substance that is in contact with the fluid; a metering pump operating without air pressure compensation, whereby no pressure compensation takes place in the container through the inflow of air during the operation of said metering pump, said pump having a spring means being in contact with the fluid, an inlet valve for closing said inlet opening, and an outlet valve, and an outlet passage being part of said through passage leading from said outlet valve to the delivery opening, wherein a decontamination means is provided in the upper part of said outlet passage said decontamination means comprising a material capable of interacting with germs via an oligodynamical substance selected from the group consisting of silver, silver salts, other silver compounds, alloys and nanomers thereof in either metallic or salt form or as a chemical compound thereof.