A drug vessel suitable for aseptic mixing of a drug with a solvent or diluent and for parenteral administration of the resultant solution, which includes a cylindrical vessel body reduced in diameter at both sides thereof to form a narrow mouth portion at each end, and a seal member to be attached to...http://www.google.es/patents/US5348060?utm_source=gb-gplus-sharePatente US5348060 - Drug vessel
