| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a drug solution detector that detects drop of anesthetic, at low cost. <P>SOLUTION: The drug solution detector includes two sets of sensors 11 and 12 each comprising a light-emitting device and a light-receiving device, provided across a falling locus of a drug solution. The sensors 11 and 12 are disposed with their optical axes different from each other. The amount of reflection of light emitted from the sensors 11 and 12 on a liquid column and the amount of absorption of the light into the liquid column are changed by the different optical axes. Both signal values output from the sensors 11 and 12 are compared with each other, to indicate drop of the anesthetic when both the signal values are detected. <P>COPYRIGHT: (C)2013,JPO&INPIT |
