PROBLEM TO BE SOLVED: To provide a pressure device excellent in convenience capable of easily confirming that a target pressure is reached by a hand sensation without impairing operability.SOLUTION: A pressure device 10 includes: a cylindrical body 20 having an accommodation part 21 which is filled with a pressurization medium and a discharge port 23 disposed on the tip side of the accommodation part a pressurization part 30 configured so as to reciprocate in the accommodation part of the cylindrical body for pumping the pressurization medium through the discharge port in conjunction with the forward movement a pusher 50 for operating the reciprocating movement of the pressurization part a storage part 60 coupled in fluid communication with the storage part through a communication port 70 formed at a predetermined position between a tip part 22a and a base end part 22b of the accommodation part 21 and a communication switching part 80 for switching between the communication and the non-communication between the accommodation part and the storage part according to a change in the internal pressure of the accommodation part accompanying the reciprocating movement of the pressurization part.COPYRIGHT: (C)2016,JPO&INPIT【課題】操作性を損なうことなく、手元の感覚で目標圧に到達したことを容易に確認することが可能な利便性に優れた加圧装置を提供する。【解決手段】加圧装置10は、加圧媒体が充填される収容部21および収容部の先端側に設けられた吐出口23を備える筒体20と、筒体の収容部内を往復動可能に構成され、前進移動に伴い吐出口を介して加圧媒体を圧送する加圧部30と、加圧部の往復動を操作するための押し子50と、収容部21の先端部22aと基端部22bとの間の所定の位置に形成された連通口70を介して収容部に流体連通される貯留部60と、加圧部の往復動に伴う収容部の内圧の変化に応じて収容部と貯留部の連通-非連通を切り替える連通切り替え部80と、を有している。【選択図】図3
