| 摘要 |
PROBLEM TO BE SOLVED: To provide a needle thrust amount regulating instrument, capable of easily and reliably injecting a desired quantity of a fluid into skin tissue in a short time at the time of intradermal injection of a fluid injector using a multi-microneedle device.SOLUTION: A microneedle thrust amount regulating instrument 14 for a fluid injector 12 using a multi-microneedle device 10 includes a microneedle thrust amount regulating part 16 having: a first opening 16a which has a predetermined thickness smaller than the projecting height of a plurality of microneedles 10c from a skin contact surface 10a of a body 10b of the device 10, and allows the whole of the skin contact surface to penetrate therethrough; a second opening 16b which allows an area where the plurality of microneedles are disposed on the skin contact surface to penetrate therethrough, and does not allow an area surrounding the plurality of microneedles on the skin contact surface to penetrate therethrough; and a communicating port 16c which communicates the first opening with the second opening to pass the plurality of microneedles between the first opening and the second opening. |
