Method, medium, and apparatus measuring biological signals using multi-electrode module, with a lead search

• US 8,606,353 B2
• Filed: 06/17/2005
• Issued: 12/10/2013
• Est. Priority Date: 06/17/2004
• Status: Active Grant

• Current Assignee: Samsung Electronics Co. Ltd.
• Original Assignee: Samsung Electronics Co. Ltd.
• Inventors: Yeo, Hyung-sok, Lee, Jeong-whan, Song, Mi-jeong, Kim, Sung-Cheol, Hwang, Jin-sang
• Primary Examiner(s): Bertram, Eric D.
• Application Number:
  US11/154,471
• Publication Number:
  US 20060009691A1
• Time in Patent Office: 3,098 Days
• Field of Search: 600/508, 600/509, 600/519, 600/521
• US Class Current: 600/521
• CPC Class Codes: A61B 5/0245 by using sensing means generating electric signals, i.e. ECG signals
• CPC Class Codes: A61B 5/276 Protection against electrode failure
• CPC Class Codes: A61B 5/28 for electrocardiography [ECG]
• CPC Class Codes: A61B 5/282 Holders for multiple electrodes for introduction into the body A61B5/287
• CPC Class Codes: A61B 5/352 Detecting R peaks, e.g. for synchronising diagnostic apparatus; Estimating R-R interval
• CPC Class Codes: A61B 5/6843 Monitoring or controlling sensor contact pressure
• CPC Class Codes: A61N 1/0476 Array electrodes (including any electrode arrangement with more than one electrode for at least one of the polarities)
• CPC Class Codes: A61N 1/0492 Patch electrodes A61N1/0412, A61N1/0428 take precedence
• CPC Class Codes: A61N 1/36185 Selection of the electrode configuration
• CPC Class Codes: A61N 1/3686 configured for selecting the electrode configuration on a lead A61N1/3688 takes precedence

Abstract

A method, medium, and apparatus measuring biological signals using a multi-electrode module, with a lead search method. An apparatus for measuring biological signals by using a multi-electrode module, includes a multi-electrode module having a non-conductive patch and a sensor array including a ground electrode and a plurality of individual electrodes, an electrode selection unit selecting a plurality of electrode pairs including a reference electrode and a measurement electrode from the plurality of individual electrodes depending on a type of the biological signal to be measured, and a signal processing unit for obtaining the biological signals from the plurality of electrode pairs.

Claims

1. An apparatus for measuring biological signals, comprising:

a multi-electrode module comprising a non-conductive patch and a sensor array including a ground electrode and a plurality of individual electrodes;

an electrode selection unit to select a plurality of electrode pairs, including a reference electrode and a measurement electrode, from the plurality of individual electrodes based on a type of biological signal measured; and

a signal processing unit to obtain the biological signals from the plurality of electrode pairs,

wherein the signal processing unit obtains respective biological signals concurrently based on the selected plurality of individual electrodes, with the ground electrode, and each of the selected plurality of individual electrodes being different electrodes and the ground electrode being monitored during the measuring of the heart rate and measurement for the electrocardiograph analysis,

wherein the electrode selection unit comprises;

an operation unit to generate a predetermined control signal based on the type of the biological signal measured based on a user'"'"'s input;

a measurement signal selection unit to select an individual electrode placed at a center of the plurality of individual electrodes, disposed in a substantially circular arc, as the reference electrode for a reference signal, and sequentially selecting from the plurality of individual electrodes as the measurement electrode for a measurement signal based on the individual electrode selected to be the reference electrode;

a measurement signal generating unit to select the individual electrode as the reference electrode for the reference signal and selecting the plurality of individual electrodes disposed on the substantially circular arc as the measurement electrode for the measurement signal; and

a switch unit, in response to the control signal, to selectively connect the multi-electrode module to the measurement signal selection unit or the measurement signal generating unit.

2. An apparatus for measuring biological signals, comprising:

a multi-electrode module comprising a non-conductive patch and a sensor array including a ground electrode and a plurality of individual electrodes;

an electrode selection unit to select a plurality of electrode pairs, including a reference electrode and a measurement electrode, from the plurality of individual electrodes based on a type of biological signal measured; and

a signal processing unit to obtain the biological signals from the plurality of electrode pairs,

wherein the signal processing unit obtains respective biological signals concurrently based on the selected plurality of individual electrodes, with the ground electrode, and each of the selected plurality of individual electrodes being different electrodes and the ground electrode being monitored during the measuring of the heart rate and measurement for the electrocardiograph analysis,

wherein the electrode selection unit comprises;

an operation unit to generate a predetermined control signal based on the type of the biological signal measured based on a user'"'"'s input;

a reference/measurement signal selection unit to sequentially select each of the plurality of individual electrodes, disposed in a substantially circular arc, as the reference electrode for a reference signal, and selecting at least one of remaining plurality of individual electrodes disposed in the substantially circular arc as the measurement electrode, to measure a measurement signal based concurrently on the selected measurement electrode and the selected reference electrode;

a measurement signal generating unit to select an individual electrode, as a center electrode, placed at a center of the plurality of individual electrodes disposed in the substantially circular arc as the reference electrode for the reference signal and shorting output signals of the plurality of individual electrodes disposed in the substantially circular arc, to measure a single measurement signal based concurrently on the shorted plurality of individual electrodes and the selected center electrode; and

a switch unit, in response to the control signal, to selectively connect the multi-electrode module to the reference/measurement signal selection unit or the measurement signal generating unit.

3. The apparatus of claim 2, wherein the reference/measurement signal selection unit adds or shorts output signals of the remaining individual electrodes to provide the measurement signal.