The present invention relates to a measuring device of estimating the central arterial blood pressure by detecting an oscillometric signals of the brachial artery in a cuff, which includes: a controlling device of the pressure change in the cuff a recording and saving device of oscillometric signals of the pressure in the cuff and an analytic device of analyzing the oscillometric signals of the pressure in the cuff. The present invention also relates to a method of estimating the central arterial blood pressure by detecting an oscillometric signals of the brachial artery in a cuff, which includes: detecting the oscillometric waveform in the cuff calculating systolic blood pressure of pulse volume recording, last phase systolic blood pressure of pulse volume recording, the value of the area below the waveform during systole and the area below the waveform during diastole dividing the area below the waveform during diastole, and the pressure of reflected wave hiding beneath the waveform of pressure and taking above data into a estimating formula of the central arterial blood pressure which is used to measure the central arterial blood pressure.本發明係關於一種以壓脈帶測量肱動脈脈波震盪訊號以估算中央動脈血壓的測量裝置,其包括一壓脈帶壓力變化調控裝置;一壓脈帶壓力振盪訊號記錄及儲存裝置;及一壓脈帶壓力振盪訊號分析裝置。本發明亦關於一種以壓脈帶測量肱動脈脈波振盪訊號以估算中央動脈血壓的方法,其包括:偵測壓脈帶內之壓力振盪波形,接著算出脈波容積紀錄收縮壓、脈波容積紀錄末期收縮壓、收縮期波形下面積與舒張期波形下面積總合除以舒張期波形下面積之比值及隱藏在此壓力震盪波形之反射波壓力,將上述數據帶入中央動脈血壓方程式,以計算中央動脈血壓。10‧‧‧本發明之裝置20‧‧‧壓脈帶壓力變化調控裝置30‧‧‧壓脈帶壓力振盪訊號記錄及儲存裝置40‧‧‧壓脈帶壓力振盪訊號分析裝置
