| 摘要 |
A first object is to offer a safety device that allows to effectively solve problems regarding transfusion including free-flow issues in the case where the transfusion tube comes off from the transfusion pump, by employing a comparatively simple structure constructed at a low cost. A second object is to offer a safety device that can be newly added to an existing transfusion pump having no safety device. Specifically speaking, the case 100 in a tubular shape having a base, the compression spring 130 , and the clamp 10 having the movable body 120 are set in the socket 20 having a cross-sectional shape of a square bracket. When the clamp 10 is set in the socket 20 , the through-holes 101 and 121 become open, which allows distribution of fluid in the transfusion tube. On the other hand, when the clamp 10 becomes detached from the socket 20 , the tension of the compression spring 130 causes the movable body 120 to slide, and the through-holes 101 and 121 are closed. As a result, the transfusion tube is blocked off, preventing the occurrence of a free flow.
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