Body surface bio-potential sensor having multiple electrodes and apparatus including the same

• US 20050154273A1
• Filed: 01/10/2005
• Published: 07/14/2005
• Est. Priority Date: 01/08/2004
• Status: Active Grant

• Current Assignee: Samsung Electronics Co. Ltd.
• Original Assignee: Samsung Electronics Co. Ltd.
• Inventors: Shin, Kun-soo, Yeo, Hyung-sok, Kim, Kyung-ho, Lee, Jeong-hwan, Whang, Jin-sang
• Granted Patent: US 7,359,744 B2
• Time in Patent Office: Days
• US Class Current: 600/393
• CPC Class Codes: A61B 2562/028 Microscale sensors, e.g. electromechanical sensors [MEMS]
• CPC Class Codes: A61B 5/274 using snap or button fasteners
• CPC Class Codes: A61B 5/282 Holders for multiple electrodes for introduction into the body A61B5/287
• CPC Class Codes: A61B 5/291 for electroencephalography [EEG]
• CPC Class Codes: A61B 5/685 Microneedles

Abstract

In a body surface bio-potential sensor, and an apparatus for detecting biomedical signals having the same, the body surface bio-potential sensor includes a flexible membrane having a wire layer, a plurality of electrodes attached on a first surface of the membrane at predetermined intervals, each of the plurality of electrodes having a plurality of needles on a surface thereof, each of the plurality of needles having a predetermined height, and a cohesive layer covering the first surface of the membrane, the cohesive layer exposing regions of the flexible membrane corresponding to positions of the plurality of electrodes.

Claims

1. A body surface bio-potential sensor, comprising:

a flexible membrane having a wire layer;

a plurality of electrodes attached on a first surface of the membrane at predetermined intervals, each of the plurality of electrodes having a plurality of needles on a surface thereof, each of the plurality of needles having a predetermined height; and

a cohesive layer covering the first surface of the membrane, the cohesive layer exposing regions of the flexible membrane corresponding to positions of the plurality of electrodes.

2. The sensor as claimed in claim 1, wherein the predetermined height of each of the plurality of needles is about 5 μ

m or less.

3. The sensor as claimed in claim 1, further comprising a terminal for outputting electrical signals to an external unit, the terminal being provided on a second surface of the membrane, the second surface being opposite to the first surface, and being electrically connected to the plurality of electrodes.

4. The sensor as claimed in claim 2, further comprising a terminal for outputting electrical signals to an external unit, the terminal being provided on a second surface of the membrane, the second surface being opposite to the first surface, and being electrically connected to the plurality of electrodes.

5. The sensor as claimed in claim 2, further comprising a magnetic means for connecting the flexible membrane to an external unit for processing signals from the plurality of electrodes.

6. The sensor as claimed in claim 5, wherein the magnetic means is a plurality of magnets.

7. The sensor as claimed in claim 1, further comprising a magnetic means for connecting the flexible membrane to an external unit for processing signals from the plurality of electrodes.

8. The sensor as claimed in claim 7, wherein the magnetic means is a plurality of magnets.

9. The sensor as claimed in claim 1, further comprising a release base film on the cohesive sheet.

10. An apparatus for detecting biomedical signals, comprising:

a sensor; and

a transmitter removably attached to the sensor to transmit electrical signals from the sensor as radio signals,

wherein the sensor includes;

a flexible membrane having a wire layer;

a plurality of electrodes attached on a first surface of the membrane at predetermined intervals, each of the plurality of electrodes having a plurality of needles on a surface thereof, each of the plurality of needles having a predetermined height; and

a cohesive layer covering the first surface of the membrane, the cohesive layer exposing regions of the flexible membrane corresponding to positions of the plurality of electrodes.

11. The apparatus as claimed in claim 10, wherein the predetermined height of each of the plurality of needles is about 5 μ

m or less.

12. The apparatus as claimed in claim 11, wherein the membrane and the transmitter each comprise a terminal, the terminals having complementary structures and being operable to deliver biomedical signals from the plurality of electrodes.

13. The apparatus as claimed in claim 11, wherein the membrane and the transmitter comprise a magnetic means for providing a removable attaching structure.

14. The apparatus as claimed in claim 13, wherein the magnetic means is a plurality of magnets.

15. The apparatus as claimed in claim 11, wherein the terminal of the membrane is provided on a second surface of the membrane, the second surface being opposite to the first surface.

16. The apparatus as claimed in claim 10, wherein the membrane and the transmitter each comprise a terminal, the terminals having complementary structures and being operable to deliver biomedical signals from the plurality of electrodes.

17. The apparatus as claimed in claim 16, wherein the terminal of the membrane is provided on a second surface of the membrane, the second surface being opposite to the first surface.

18. The apparatus as claimed in claim 10, wherein the membrane and the transmitter comprise a magnetic means for providing a removable attaching structure.

19. The sensor as claimed in claim 18, wherein the magnetic means is a plurality of magnets.

20. The apparatus as claimed in claim 10, further comprising a release base film on the cohesive sheet.