DURCHFLUSSMENGENSCHALTVORRICHTUNG

摘要

A fluid flow rate switching device providing a plurality of precise user selectable flow rates. Generally, the device includes a housing having a port and a plurality of passages. Respectively disposed in each of the passages is a rigid capillary tube for regulating the flow rate of a therapeutic fluid through the passages. Further, a valve is rotatably connected to the housing for operably connecting and disconnecting the port from one or more of the passages.