| 摘要 |
PURPOSE: A control device of a ringer injection set is provided which prevents patients' blood from being flown backwardly after an injection solution is drawn from a storage part including an injection liquid. CONSTITUTION: In the control device of the ringer injection set which controls the transfer of the injection solution(16) from the storage part to an injector, it comprises of: a hollow pillar-type case(11); an upper cover(12) which is placed in one edge of the case and wherein an incoming hole(13) to income the injection solution is prepared; a lower cover(14) which is placed in other edge of the case and wherein an exhaust hole(15) to exhaust the injection solution is prepared; and a floater(20) which is placed inside the case to flow and to open and shut the exhaust hole as floating state of the injection by buoyance.
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