PROBLEM TO BE SOLVED: To provide an excellently portable vital measuring instrument which has a fluid bag on which a subject is placed is downsized, and which is capable of measuring the respiration rate accurately regardless of downsizing of the fluid bag.SOLUTION: A vital measuring instrument 10 comprises: a fluid bag 20 in which a fluid is sealed a detection unit 50 for detecting, by way of the fluid, the pressure variation inside the fluid bag caused by the respiratory movement of the subject placed on the fluid bag a measurement unit 52 for measuring the respiration rate of the subject on the basis of the detection results of the detection unit a fluid feeding channel 40 which is in communication with the fluid bag and keeps the fluid in circulation between the fluid bag and the detection unit and a deformation prevention unit 60 for preventing the fluid feeding channel from being deformed due to the subject being placed on the fluid bag.COPYRIGHT: (C)2015,JPO&INPIT【課題】被検者が載置される流体袋の小型化が図られるとともに、流体袋の小型化に関わらず、呼吸数を精度よく計測することが可能な携帯性に優れたバイタル計測器を提供する。【解決手段】バイタル計測器10は、流体が封入された流体袋20と、流体袋に載置された被検者の呼吸運動に伴う流体袋内の圧力の変動を流体を介して検知する検知部50と、検知部の検知結果に基づいて被検者の呼吸数を計測する計測部52と、流体袋に連通され、流体袋と検知部との間において流体を流通可能に保持する送流路40と、流体袋への被検者の載置に伴う送流路の変形を防止する変形防止部60と、を有している。【選択図】図2
