PROBLEM TO BE SOLVED: To provide an electronic sphygmomanometer capable of determining whether or not a measurement result includes an error caused by body motion.SOLUTION: An electronic sphygmomanometer 1 for measuring blood pressure of a region to be measured comprises: a cuff pressure control unit for varying pressure of a cuff 20 mounted on the region to be measured a pressure detection unit for detecting a cuff pressure signal showing pressure of the cuff a pulse wave detection unit for extracting a pulse wave signal that is superposed on the cuff pressure signal and shows a pulse wave of the region to be measured, to acquire a string of amplitude shown by the pulse wave signal an envelope curve creation unit for creating an envelope curve by connecting heights of amplitude of the string of amplitude acquired by the pulse wave detection unit an acceleration detection unit for detecting body motion of the region to be measured to generate an acceleration signal a body motion section ratio calculation unit that, on the basis of a detection result from the acceleration detection unit, calculates a body motion section ratio showing a ratio of a body motion occurrence section to a section in which the envelope curve is substantially projected upward and a body motion reporting unit that, on the basis of the body motion section ratio, creates information showing at least three stages of body motion degree and reports the information.SELECTED DRAWING: Figure 2COPYRIGHT: (C)2017,JPO&INPIT【課題】測定結果に対して体動による誤差が含まれかどうかを判断できる電子血圧計を提供する。【解決手段】被測定部位の血圧を測定する電子血圧計1であって、被測定部位に装着されたカフ20の圧力を変化させるカフ圧制御部と、カフの圧力を表すカフ圧信号を検出する圧力検出部と、カフ圧信号に重畳された被測定部位の脈波を表す脈波信号を取り出して、その脈波信号が示す振幅の列を取得する脈波検出部と、脈波検出部によって取得された振幅の列に対して、それらの振幅を結ぶ包絡線を作成する包絡線作成部と、被測定部位の体動を検出して加速度信号を発生する加速度検出部と、加速度検出部の検出結果に基づいて、包絡線が実質的に山をなす区間に対する体動発生区間の割合を示す体動区間割合を算出する体動区間割合算出部と、体動区間割合に基づいて、少なくとも3段階の体動の程度を示す情報を生成して報知する体動報知部とを備える。【選択図】図2
