ECG device, ECG lead signal generating circuit, and related method

• US 9,167,981 B2
• Filed: 10/08/2013
• Issued: 10/27/2015
• Est. Priority Date: 10/08/2013
• Status: Active Grant

• Current Assignee: MediaTek, Inc.
• Original Assignee: MediaTek, Inc.
• Inventors: Kuo, Jing-Lin, Hsu, Chien-Hua, Lee, Chien-Chih
• Primary Examiner(s): Gedeon, Brian T
• Application Number:
  US14/048,057
• Publication Number:
  US 20150099957A1
• Time in Patent Office: 749 Days
• Field of Search: None
• US Class Current: 1/1
• CPC Class Codes: A61B 5/327 Generation of artificial ECG signals based on measured signals, e.g. to compensate for missing leads

Abstract

Embodiments of the invention disclose an ECG device, an ECG signal processing method, an ECG lead signal generating circuit, an ECG signal generating method, another ECG device, another ECG signal processing method, and an ECG electrode assembly. The ECG device has an electrode assembly and an ECG lead signal generating circuit. The electrode assembly has three cardio enclosure electrodes for acquiring three cardio enclosure voltages, respectively. The ECG lead signal generating circuit has a first precordial lead generator. The first precordial lead generator is configured to generate a first modified precordial lead according to the three cardio enclosure voltages, wherein the three cardio enclosure voltages are sufficient for generating the first modified precordial lead.

Claims

1. An ECG lead signal generating circuit, comprising:

a first precordial lead generator, configured to generate a first modified precordial lead according to three cardio enclosure voltages, wherein the three cardio enclosure voltages are sufficient for generating the first modified precordial lead; and

a second precordial lead generator, configured to generate a second modified precordial lead according to the three cardio enclosure voltages, wherein the three cardio enclosure voltages are sufficient for generating the second modified precordial lead;

wherein the ECG lead signal generating circuit is configured to receive the 3 cardio enclosure voltages and m precordial voltages to generate 8+m modified leads accordingly, where m is equal to 0, 1, 2, 3, or 4.

2. An ECG device comprising the ECG lead signal generating circuit of claim 1, wherein the ECG device further comprises:

an electrode assembly, comprising three cardio enclosure electrodes for acquiring the three cardio enclosure voltages, respectively, wherein the first precordial lead generator and the second precordial lead generator are coupled to the electrode assembly;

wherein the electrode assembly further comprises m precordial electrodes for acquiring the m precordial voltages, where the ECG lead signal generating circuit is configured to generate the 8+m modified leads according to the 3 cardio enclosure voltages and the m precordial voltages.

3. An ECG lead signal generating circuit, comprising:

a first precordial lead generator, configured to generate a first modified precordial lead according to three cardio enclosure voltages, wherein the three cardio enclosure voltages are sufficient for generating the first modified precordial lead;

wherein the ECG lead signal generating circuit is configured to receive the 3 cardio enclosure voltages and n precordial voltages to generate 7+n modified leads accordingly, where n is equal to 0, 1, 2, 3, 4, or 5.

4. An ECG device comprising the ECG lead signal generating circuit of claim 3, wherein the ECG device further comprises:

an electrode assembly, comprising three cardio enclosure electrodes for acquiring the three cardio enclosure voltages, respectively, wherein the first precordial lead generator is coupled to the electrode assembly;

wherein the electrode assembly further comprises n precordial electrodes for acquiring the n precordial voltages, where the ECG lead signal generating circuit is configured to generate the 7+n modified leads according to the 3 cardio enclosure voltages and the n precordial voltages.

5. An ECG signal generating method, comprising:

generating a first modified precordial lead according to three cardio enclosure voltages, wherein the three cardio enclosure voltages are sufficient for generating the first modified precordial lead;

generating a second modified precordial lead according to the three cardio enclosure voltages, wherein the three cardio enclosure voltages are sufficient for generating the second modified precordial lead; and

receiving m precordial voltages, where m is equal to 0, 1, 2, 3, or 4, and 8+m modified leads are generated according to the 3 cardio enclosure voltages and the m precordial voltages.

6. An ECG signal processing method comprising the ECG signal generating method of claim 5, wherein the ECG signal processing method further comprises:

acquiring the three cardio enclosure voltages from three cardio enclosure electrodes, respectively; and

acquiring the m precordial voltages from m precordial electrodes.

7. An ECG signal generating method, comprising:

generating a first modified precordial lead according to three cardio enclosure voltages, wherein the three cardio enclosure voltages are sufficient for generating the first modified precordial lead; and

receiving n precordial voltages, where n is equal to 0, 1, 2, 3, 4, or 5, and 7+n modified leads are generated according to the 3 cardio enclosure voltages and the n precordial voltages.

8. An ECG signal processing method comprising the ECG signal generating method of claim 7, wherein the ECG signal processing method further comprises:

acquiring the three cardio enclosure voltages from three cardio enclosure electrodes, respectively; and

acquiring the n precordial voltages from n precordial electrodes.

9. An ECG device, comprising:

an electrode assembly, comprising three cardio enclosure electrodes for acquiring three cardio enclosure voltages, respectively, and a precordial electrode for acquiring a precordial voltage; and

an ECG lead signal generating circuit, comprising;

a first precordial lead generator, coupled to the electrode assembly, configured to generate a first modified precordial lead according to the three cardio enclosure voltages but not according to the precordial voltage;

wherein the electrode assembly further comprises n precordial electrodes for acquiring n precordial voltages, where n is equal to 0, 1, 2, 3, 4, or 5, and the ECG lead signal generating circuit is configured to generate 7+n modified leads according to the 3 cardio enclosure voltages and the n precordial voltages.

10. An ECG signal processing method, comprising:

acquiring three cardio enclosure voltages from three cardio enclosure electrodes, respectively, and acquiring a precordial voltage from a precordial electrode;

generating a first modified precordial lead according to the three cardio enclosure voltages but not according to the precordial voltage; and

acquiring n precordial voltages from n precordial electrodes, where n is equal to 0, 1, 2, 3, 4, or 5, and 7+n modified leads are generated according to the 3 cardio enclosure voltages and the n precordial voltages.

11. An ECG electrode assembly, comprising:

three cardio enclosure electrodes for acquiring three cardio enclosure voltages, wherein six modified leads and a modified precordial lead are able to be generated according to the three cardio enclosure voltages.

12. The ECG electrode assembly of claim 11, further comprising n precordial electrodes for acquiring n precordial voltages, where n is equal to 0, 1, 2, 3, 4, or 5, and 7+n modified leads are able to be generated according to the 3 cardio enclosure voltages and the n precordial voltages.