METHOD AND SYSTEM FOR SYNCHRONIZING BLOOD COMPONENT OR TRACE ANALYTE MEASUREMENT WITH HEART PULSE RATE
A system and method for measuring at least one blood component or trace analyte in the blood of a subject, the system including: a heart pulse rate measuring device for measuring a heart pulse rate of the subject, and a blood component or trace analyte measuring device for measuring the at least one blood component or trace analyte, wherein the blood component or trace analyte measuring device is synchronized with the heart pulse rate of the subject to perform a blood component or trace analyte measurement at a point along a measurement interval determined by the heart pulse rate.
1 . A system for measuring at least one blood component or trace analyte in the blood of a subject, the system comprising:
a heart pulse rate measuring device for measuring a heart pulse rate of the subject; and
a blood component or trace analyte measuring device for measuring the at least one blood component or trace analyte, wherein the blood component or trace analyte measuring device is synchronized with the heart pulse rate of the subject to perform a blood component or trace analyte measurement at a point in a measurement interval determined by the heart pulse rate.
2 . The system of claim 1 , wherein the heart pulse rate measuring device comprises a pulse oximeter.
3 . The system of claim 1 , wherein the heart pulse rate measuring device comprises a pressure sensor.
4 . The system of claim 1 , wherein the heart pulse rate measuring device comprises an electrocardiogram.
5 . The system of claim 1 , wherein a plurality of blood component or trace analyte measurements are taken at the same point during a plurality of measurement intervals.
6 . A method for measuring at least one blood component or trace analyte of a subject, the method comprising:
measuring a heart pulse rate of the subject with a heart pulse rate measuring device, and
measuring the at least one blood component or trace analyte with a blood component or trace analyte measuring device, wherein a blood component or trace analyte measurement is synchronized with the heart pulse rate of the subject at a point along a measurement interval determined by the heart pulse rate.
7 . The method of claim 6 , wherein the heart pulse rate measuring device comprises a pulse oximeter.
8 . The method of claim 6 , wherein the heart pulse rate measuring device comprises a pressure sensor.
9 . The method of claim 6 , wherein the heart pulse rate measuring device comprises an electrocardiogram.
10 . The method of claim 6 , wherein a plurality of blood component or trace analyte measurements are taken at the same point during a plurality of measurement intervals.
11 . An apparatus for measuring at least one blood component or trace analyte in the blood of a subject, the apparatus comprising:
a heart pulse rate measuring device for measuring a heart pulse rate of the subject;
a probe comprising a blood component or trace analyte measuring device for measuring the at least one blood component or trace analyte, wherein the blood component or trace analyte measuring device is synchronized with the heart pulse rate of the subject to perform a blood component or trace analyte measurement at a point along a measurement interval determined by the heart pulse rate;
a mounting support for the probe that defines at least one path of translational movement along a surface of the mounting support; and
a biasing element that exerts substantially constant force to provide translational movement of the probe,
wherein the probe is translationally movable along the at least one path in a direction away from an initial point, and the probe is biased by the substantially constant force exerted by the biasing element toward the initial point.
12 . The apparatus of claim 11 , wherein the heart pulse rate measuring device comprises a pulse oximeter.
13 . The apparatus of claim 11 , wherein the heart pulse rate measuring device comprises a pressure sensor.
14 . The apparatus of claim 11 , wherein the heart pulse rate measuring device comprises an electrocardiogram.
15 . The apparatus of claim 11 , wherein the heart pulse rate measuring device is located in the probe.
16 . The apparatus of claim 11 , wherein a plurality of blood component or trace analyte measurements are taken at the same point during a plurality of measurement intervals.
17 . The apparatus of claim 11 , wherein the heart pulse rate measuring device is located in the housing.
18 . A method for measuring at least one blood component or trace analyte of a subject, the method comprising:
measuring a heart pulse rate of the subject with a heart pulse rate measuring device;
providing a source of electromagnetic radiation to a probe in a housing;
supporting a lower surface of at least one of a pair of adjacent fingers or toes of the subject in the housing;
guiding the adjacent fingers or toes of the subject apart from one another such that the probe is positioned at an interstitial location between the fingers or toes of the subject not including the web;
receiving the electromagnetic radiation reflected from the subject; and
measuring the at least one blood component or trace analyte, wherein the blood component or trace analyte measurement is synchronized with the heart pulse rate of the subject at a point along a measurement interval determined by the heart pulse rate.
19 . The method of claim 18 , wherein the heart pulse rate measuring device comprises a pulse oximeter.
20 . The method of claim 18 , wherein the heart pulse rate measuring device comprises a pressure sensor.
21 . The method of claim 18 , wherein the heart pulse rate measuring device comprises an electrocardiogram.
22 . The method of claim 18 , wherein the heart pulse rate measuring device is located in the probe.
23 . The method of claim 18 , wherein a plurality of blood component or trace analyte measurements are taken at the same point during a plurality of measurement intervals.
24 . The method of claim 18 , wherein the heart pulse rate measuring device is located in the housing.