PROBLEM TO BE SOLVED: To accurately measure a modulus of vascular elasticity in a short time.SOLUTION: A vascular elasticity modulus evaluation device 1 comprises: a pressure detection unit 26 which detects a pulse wave while an external pressure is applied to a blood vessel: and a control unit 10 which forms a pulse wave amplitude indicating dependence characteristics due to the elasticity of the blood vessel from a value detected by the pressure detection unit 26, calculates a minus area in the elevation phase of the pulse wave amplitude and a minus area in the drop phase of the pulse wave amplitude, and derives a modulus of vascular elasticity using the values.SELECTED DRAWING: Figure 1【課題】精度の高い血管弾性率の測定を短時間に行うこと。【解決手段】本発明の血管弾性率評価装置１は、血管に外圧を与えた状態で脈波を検出する圧力検出部２６と、圧力検出部２６の検出値から血管の弾性による依存特性を示す脈波振幅を形成し、脈波振幅の上昇工程におけるプラス面積と下降工程におけるマイナス面積を算出し、それらの値を利用して血管弾性率を導出する制御部１０と、を有するものである。【選択図】図１
