PROBLEM TO BE SOLVED: To provide a microneedle unit which facilitates supply of a liquid body in a microneedle which expresses a function by the supply of the liquid body.SOLUTION: A microneedle unit 10 includes: a liquid body housing part 11 which houses a liquid body and has a supply passage 11b for supplying the liquid body to the outside a microneedle 31 which has a base body 32 having a surface facing the supply passage 11b and has a projection part 33 on a surface on the opposite side of the surface facing the supply passage 11b of the surfaces of the base body 32 and a pull-out member 21 comprising a plug part for blocking the supply passage 11b and an operational part which is positioned outside the liquid housing part 11 for performing the operation for moving the plug part to open at least a part of the supply passage 11b.COPYRIGHT: (C)2015,JPO&INPIT【課題】液状体の供給によって機能を発現するマイクロニードルにおいて、液状体の供給を容易にするマイクロニードルユニットを提供する。【解決手段】マイクロニードルユニット10は、液状体を収容して、液状体を外部に供給する供給通路11bを有する液状体収容部11と、供給通路11bと対向する面を有した基体32を備え、基体32が有する面のうち、供給通路11bと対向する面とは反対側の面に突起部33を有するマイクロニードル31と、供給通路11bを塞ぐ栓部、および、液状体収容部11の外部に位置して、供給通路11bの少なくとも一部を開けるように栓部を動かす操作が行われる操作部とから構成される引出部材21を備える。【選択図】図1
