Equipment sets for the sequential administration of medical liquids at dual flow rates having parallel secondary liquid flowpaths wherein one said path is controlled by a liquid sequencing valve

摘要

Equipment sets for the sequential administration of medical liquids wherein a primary liquid can be administered at a flow rate independent of the flow rate of a secondary liquid and prevent the inadvertent administration of air when the secondary liquid is depleted. The sets of this invention employ parallel flowpaths for the secondary liquid and a single liquid sequencing valve to control the flow of the primary liquid and the secondary liquid in one of the parallel flowpaths.