PHASE CHANGE COMPOSITION CONTAINING CARBON NANO MATERIALS AND PREPARATION METHOD THEREOF

摘要

Disclosed is a device for controlling a medicinal fluid supply amount. The device for controlling a medicinal fluid supply amount comprises: a fixing member including three medicinal fluid inflow holes where a different medicinal fluid amount is inserted and a medicinal fluid discharge hole which discharges the medicinal fluid inserted to the medicinal fluid inflow holes; and a medicinal fluid control unit which is coupled to the fixing member, selectively opens the medicinal fluid inflow holes depending on operation of a user, and controls the medicinal fluid amount leading to the medicinal fluid discharge hole.