Patent ID: 9743846
Date: 2017-08-29
CPC Classifications: A61B

Claim:
1. A venous pressure measurement apparatus comprising: a first cuff configured to be attached to a first portion including a vein and an artery in a living body; a pressure control unit that changes a first applied pressure applied by said first cuff to said first portion by sending a flow of air to the first cuff; a first pulse wave sensor that detects a first pulse wave from the pressure received by said first cuff from said first portion; a second pulse wave sensor configured to detect a second pulse wave including at least an arterial pulse wave in a second portion different from said first portion of said living body; a pressure waveform analyzing processor, comprising an analyzing unit that analyzes differences between said second pulse wave detected by said second pulse wave sensor and said first pulse wave detected by said first pulse wave sensor as a correlation, which are changed as said first applied pressure is changed by said pressure control unit; and a venous pressure calculation unit that calculates a venous pressure based on said first applied pressure and a result of analysis by said analyzing unit.