| abstract |
A sensor with a fine needle having a channel formed therein comprises a fine needle portion made of resin and provided with a channel for sucking body fluid, a liquid sump connected with the channel and storing body fluid, a sensor section for detecting a specific component contained in the body fluid stored in the liquid sump, a cover portion, where the sensor section is disposed, arranged to cover the liquid sump, and an air hole connected with the channel formed in the fine needle portion via the liquid sump. |