Patent ID: 8800759

Claim:
A kit for the preparation and aspiration of a suspension or solution formed by mixing a first product with a second product, the kit comprising: a first bottle containing the first product; a second bottle containing the second product, the second bottle having a dropper neck; and a bushing distinct from the first and second bottles having a receptacle configured to attach to the first bottle and receive the dropper neck, wherein the receptacle has a shape that matches with a shape of the dropper neck, the bushing further including a stopper and a cap, the stopper configured to cooperate with the receptacle, the stopper having a shape that matches with the shape of the receptacle, the shape of the stopper being similar to the shape of the dropper neck and having a closed bottom end that seals the receptacle and prevents transfer of material from the dropper neck to the receptacle when the stopper is mated to the receptacle, wherein the cap has an inner wall, an outer wall, and a cut-out between the inner wall and the outer wall, an upper part of the stopper configured to be housed in the cut-out.