| 摘要 |
PROBLEM TO BE SOLVED: To solve such problem as liquid leakage with a channel-switching means by preventing opening a solution tank and a channel for supplying a solution to a biosensor to the atmosphere and generating a negative pressure in the solution tank and the channel when the solution is sucked. SOLUTION: The device that is installed in a toilet or the like for analyzing urine or the like supplies calibration and buffer liquid toward such biosensor as a glycosuria sensor 28 into a measurement unit 11 or the like. The device is provided with a calibration liquid tank 24 and a buffer solution tank 26 as well as a rotary valve syringe 18 for switching the channel of each liquid. A cap in structure so that it cannot be completely glued to a liquid injection port even if the cap is clamped is provided at the liquid injection port of the tanks 24 and 26, thus preventing liquid from leaking and allowing air to pass. The rotary valve syringe 18 is a structure for opening the atmosphere at a specific switching position for avoiding the negative pressure of a channel. The sensors of protein, occult bleeding, creatine, sodium ion, and the like can also be used instead of the glycosuria sensor 28. |
