| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a changeover device for the flow velocity of a fluid capable of setting a plurality of accurate flow velocities to enable a user to select the flow velocities. <P>SOLUTION: This changeover device for the flow velocity of the fluid is equipped with a housing, which is a switch for selecting the flow velocity of a medical fluid and has a port and a plurality of flow channels, a plurality of strong capillary tubes, which regulate the flow velocity of the medical fluid and are respectively arranged to the flow channels and the valve which is operably connected to a plurality of the strong capillary tubes and the housing and movable so as to be selectively connected to and detached from the port from at least one flow channel. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
