US Patent 7087016 Health management device and health management system

A health management device comprises at least four electrodes provided on a main body of an intelligent terminal unit; a constant current generating unit which applies a constant current to at least two electrodes among said at least four electrodes; a voltage detecting unit which detects a voltage of at least two electrodes among said at least four electrodes; a numeral input unit provided on said intelligent terminal unit; a display unit provided on said intelligent terminal unit; a switching unit which switches a function as an intelligent terminal unit into a function as a health management device and vice versa; and a control unit which calculates a health management indicator based on data input from said numeral input unit and a detected data from said voltage detecting unit and displays a calculated result on said display unit when said function being switched into the function as the health management device by said switching unit.