| 摘要 |
<P>PROBLEM TO BE SOLVED: To solve such a problem that a closing part provided on a float does not enter a tube and does not function as a plug, when a drip tube is inclined or a flow rate inside the tube is slow. <P>SOLUTION: In the drip tube connected to the tube at one or both ends to drip and store infusion, an air inflow preventing means is provided inside for stopping the flow of the infusion when the infusion runs out to prevent the inflow of air to the downstream. The air inflow preventing means comprises a float part of specific gravity smaller than the infusion, the closing part for closing the connection part of the tube connected with the drip tube, and a guide part vertically movably disposed inside the tube at all times and capable of guiding the closing part to the tube. <P>COPYRIGHT: (C)2010,JPO&INPIT |
