Medical Apparatus Capable of Recording Physiological Signals

• US 20090124869A1
• Filed: 05/08/2008
• Published: 05/14/2009
• Est. Priority Date: 11/08/2007
• Status: Abandoned Application

• Current Assignee: Chung-Yuan Christian University
• Original Assignee: Chung-Yuan Christian University
• Inventors: Tsai, Yuh-Show, HU, Wei-Chih, Li, Ai-Hsien, Su, Jenn-Lung, Chen, Shao-Tien, Miaou, Shaou-Gang, Chu, Yiu-Tong, Shyu, Liang-Yu
• Application Number:
  US12/116,982
• Publication Number:
  US 20090124869A1
• Time in Patent Office: Days
• US Class Current: 600/301
• CPC Class Codes: A61B 5/333 Recording apparatus specially adapted therefor
• CPC Class Codes: A61B 5/369 Electroencephalography [EEG] devices for psychotechnics A61B5/16

Abstract

The present invention related to a medical apparatus capable of recording physiological signals, which uses a EEG detecting circuit to detect the human brain and produce a EEG signal, a ECG detecting circuit to detect the human heart and produce a ECG signal, a microcontroller circuit to receive the EEG and ECG signals and produce a control signal, and a storage unit to receive the control signal and store the EEG and ECG signals. The EEG and ECG signals are correlated. Accordingly, physicians can analyze diseases conveniently.

Claims

1. A medical apparatus capable of recording physiological signals, comprising:

an EEG detecting circuit, detecting the human brain and producing an EEG signal;

an ECG detecting circuit, detecting the human heart and producing an ECG signal;

a microcontroller circuit, receiving the EEG and ECG signals, and producing a control signal; and

a storage signal, receiving the control signal, and storing the EEG and ECG signals, which are correlated.

2. The medical apparatus of claim 1, and further comprising an analysis unit, receiving the EEG and ECG signals according to the control signal, analyzing the EEG and ECG signals, and producing an analysis signal.

3. The medical apparatus of claim 2, and further comprising a transmission interface, coupled between the microcontroller circuit and the analysis unit, transmitting the EEG and ECG signal to the analysis unit.

4. The medical apparatus of claim 3, wherein the transmission interface includes Peripheral Component Interconnect (PCI), Universal Serial Bus (USB), 1394, IEEE802.3 interface, IrDA, or Bluetooth interfaces.

5. The medical apparatus of claim 3, wherein the analysis unit further includes:

a first operation unit, performing operations on the ECG signal, and producing one or more ECG parameter;

a second operation unit, performing operations on the EEG signal, and producing one or more EEG parameter; and

an integration unit, receiving and integrating the ECG and EEG parameters, and producing one or more relevant parameters.

6. The medical apparatus of claim 5, wherein the ECG parameters includes total power (TP), low frequency power (LFP), and high frequency power (HFP).

7. The medical apparatus of claim 5, wherein the EEG parameters includes α

activity, β

activity, δ

activity, and θ

activity.

8. The medical apparatus of claim 1, and further comprising an analog-to-digital converter, converting the analog EEG signal to a digital signal, and transmitting to the microcontroller circuit.

9. The medical apparatus of claim 1, and further comprising an analog-to-digital converter, converting the analog ECG signal to a digital signal, and transmitting to the microcontroller circuit.

10. The medical apparatus of claim 1, and further comprising an input unit, coupled to the microcontroller circuit, and transmitting an input signal for controlling actions of the microcontroller circuit.

11. The medical apparatus of claim 1, and further comprising a display device, coupled to the microcontroller circuit, receiving and displaying the ECG and EEG signals.

12. The medical apparatus of claim 11, wherein the display device is a liquid crystal display (LCD).

13. The medical apparatus of claim 1, wherein the EEG detecting circuit further comprising:

an electrode module, attached to and detecting the human head, and producing the EEG signal;

a first amplification circuit, receiving and amplifying the EEG signal;

a filter circuit, receiving the EEG signal amplified by the first amplification circuit, and filtering the EEG signal; and

a second amplification circuit, receiving the EEG signal filtered by the filer circuit, and amplifying the EEG signal.

14. The medical apparatus of claim 13, wherein the electrode module includes six electrodes.

15. The medical apparatus of claim 13, wherein the filter circuit further include:

a high-pass filter, filtering the low-frequency component of the EEG signal;

a low-frequency filter, filtering the high-frequency component of the EEG signal filtered by the high-pass filter;

a band-reject filter, filtering the noise frequency of the EEG signal filtered by the low-pass filter.

16. The medical apparatus of claim 15, wherein the frequency of the noise frequency is 60 Hz.

17. The medical apparatus of claim 1, wherein the ECG detecting circuit further includes:

an electrode module, attached to and detecting the human heart, and producing the ECG signal;

a first amplification circuit, receiving and amplifying the ECG signal;

a filter circuit, receiving the ECG signal amplified by the first amplification circuit, and filtering the ECG signal; and

a second amplification circuit, receiving the ECG signal filtered by the filer circuit, and amplifying the ECG signal.

18. The medical apparatus of claim 17, wherein the filter circuit further include:

a high-pass filter, filtering the low-frequency component of the ECG signal;

a low-frequency filter, filtering the high-frequency component of the ECG signal filtered by the high-pass filter;

a band-reject filter, filtering the noise frequency of the ECG signal filtered by the low-pass filter.

19. The medical apparatus of claim 18, wherein the frequency of the noise frequency is 60 Hz.

20. The medical apparatus of claim 1, wherein the storage unit is a flash memory.