Patent ID: 8795185

Claim:
A portable blood pressure measuring apparatus comprising: a blood pressure measurer for measuring a wrist or finger blood pressure, wherein the wrist or finger blood pressure is an arterial pressure measured at a wrist or a finger; a Pulse Wave Velocity (PWV) measurer for measuring a PWV; a controller for controlling compensation of the wrist or finger blood pressure using the measured PWV so that the wrist or finger blood pressure corresponds to a brachial blood pressure; and a display for displaying the compensated wrist or finger blood pressure, wherein the controller controls the compensation of the wrist or finger blood pressure using one of the following equations: P brachial =a+b×P wrist or finger +c ×PWV P brachial =a+b×P wrist or finger +c ×PWV+ d ×PWV 2 P brachial =a+b×P wrist or finger +c ×PWV+ d ×PWV 2 +e ×PWV 3 where P brachial is a brachial blood pressure P wrist or finger is a blood pressure measured at the wrist or finger, PWV is a PWV, and a, b, c, d and e are empirical constants for compensating the wrist or finger blood pressure value.