Electrode for measuring bio potential, method of manufacturing the electrode, and system for measuring physiological signal

Patent metadata

Field	Value
Publication number	US-9144387-B2
Application number	US-201313762301-A
Country	US
Kind code	B2
Filing date	Feb 7, 2013
Priority date	Feb 7, 2012
Publication date	Sep 29, 2015
Grant date	Sep 29, 2015

Abstract

An electrode for measuring a bio potential includes a conductive adhesive having one side configured to have at least two metal electrodes attached thereto while the electrode is being used, and another side configured to be attached to a living body while the electrode is being used, the conductive adhesive having a predetermined area and a predetermined thickness; and a supporting element configured to support the conductive adhesive while the conductive adhesive is attached to the living body; wherein an impedance is formed between the at least two metal electrodes while the at least two metal electrodes are attached to the side of the conductive adhesive, the impedance depending on a thickness of the conductive adhesive and having a value that prevents the at least two metal electrodes from being shorted together.

First claim

What is claimed is:

1. An electrode that measures a bio potential, the electrode comprising:
at least two metal electrodes;
a conductive adhesive having
one side configured to have the at least two metal electrodes attached thereto while the electrode is being used, and
another side configured to be attached to a living body while the electrode is being used, the conductive adhesive having a predetermined area and a predetermined thickness;

a supporting element disposed at a third side of the conductive adhesive while the conductive adhesive is attached to the living body; and
an adhesion material coated on one side of the supporting element, the supporting element and the adhesion material comprising different materials relative to one another,
wherein
an impedance is formed between the at least two metal electrodes while the at least two metal electrodes are attached to the side of the conductive adhesive,
the impedance depending on a thickness of the conductive adhesive and having a value that prevents the at least two metal electrodes from being shorted together.

2. The electrode of claim 1 , wherein
the one side of the supporting element is configured to face the living body while the conductive adhesive is attached to the living body, and
the adhesion material is configured to contact and adhere to the living body while the conductive adhesive is attached to the living body.

3. The electrode of claim 1 , wherein the impedance further depends on a distance between points on the conductive adhesive where the at least two metal electrodes are attached to the conductive adhesive.

4. The electrode of claim 1 , wherein the impedance further depends on areas of the at least two metal electrodes.

5. The electrode of claim 1 , wherein the impedance further depends on a composition of the conductive adhesive.

6. The electrode of claim 1 , further comprising a conductor configured to attach to or insert into the conductive adhesive;
wherein the conductive adhesive and the conductor are configured to filter an electrical signal.

7. The electrode of claim 1 , further comprising
a first protective film directly attached to the one side of the conductive adhesive and the supporting element, and
a second protective film directly attached to the other side of the conductive adhesive and the adhesion material.

8. The electrode of claim 1 , wherein the adhesion material is coated on only the one side of the supporting element.

9. The electrode of claim 1 , wherein the supporting element does not comprise an adhesive material.

10. The electrode of claim 1 , wherein the supporting element and the adhesion material form a perimeter around the conductive adhesive.

11. An electrode that measures a bio potential, the electrode comprising:
at least two metal electrodes;
at least two terminals respectively corresponding to the at least two metal electrodes and respectively connected to the at least two metal electrodes;
a conductive adhesive having one side to which the at least two metal electrodes are attached, and another side configured to be attached to a living body while the electrode is being used, the conductive adhesive having a predetermined area and a predetermined thickness;
a supporting element disposed at a third side of the conductive adhesive while the conductive adhesive is attached to the living body; and
an adhesion material coated on one side of the supporting element, the supporting element and the adhesion material comprising different materials relative to one another,
wherein
an impedance is formed between the at least two metal electrodes attached to the side of the conductive adhesive,
the impedance depending on a thickness of the conductive adhesive and having a value that prevents the at least two metal electrodes from being shorted together.

12. The electrode of claim 11 , wherein the at least two metal electrodes are configured to directly connect to a physiological signal measuring system.

13. The electrode of claim 11 , wherein the at least two terminals are configured to be connected to a physiological signal measuring system to connect the at least two metal electrodes to the physiological signal measuring system.

14. The electrode of claim 11 , wherein
the one side of the supporting element is configured to face the living body while the conductive adhesive is attached to the living body,
the adhesion material is configured to contact and adhere to the living body while the conductive adhesive is attached to the living body.

15. The electrode of claim 11 , wherein the impedance further depends on a distance between points on the conductive adhesive where the at least two metal electrodes are attached to the conductive adhesive.

16. The electrode of claim 11 , wherein the impedance further depends on areas of the at least two metal electrodes.

17. The electrode of claim 11 , wherein the impedance further depends on a composition of the conductive adhesive.

18. The electrode of claim 11 , further comprising a conductor configured to attach to or insert into the conductive adhesive;
wherein the conductive adhesive and the conductor are configured to filter an electrical signal.

19. A system that measures a physiological signal, the system comprising:
at least two metal electrodes;
an electrode, comprising:
a conductive adhesive having
one side to which the at least two metal electrodes are attached, and
another side configured to be attached to a living body while the electrode is being used, the conductive adhesive having a predetermined area and a predetermined thickness;

a supporting element disposed at a third side of the conductive adhesive while the conductive adhesive is attached to the living body; and
an adhesion material coated on one side of the supporting element, the supporting element and the adhesion material comprising different materials relative to one another;

an amplifier configured to amplify a difference between signals detected by two metal electrodes selected from the at least two metal electrodes to produce an amplified signal; and
a processor configured to process the amplified signal;
wherein
an impedance is formed between the at least two metal electrodes attached to the side of the conductive adhesive,
the impedance depending on a thickness of the conductive adhesive and having a value that prevents the at least two metal electrodes from being shorted together.

20. The system of claim 19 , further comprising a conductor configured to attach to or insert into the conductive adhesive;
wherein the conductive adhesive and the conductor are configured to filter an electrical signal.

21. The system of claim 19 , further comprising a metal electrode selection unit configured to select the two metal electrodes from the at least two metal electrodes.

22. The system of claim 19 , wherein the processor is further configured to process the amplified signal to obtain processed data by executing a predetermined program; and
the system further comprises:
a storage unit configured to store the predetermined program and the processed data; and
a wireless transmission and reception unit configured to transmit the processed data to an external device.

23. A system that measures a physiological signal, the system comprising:
an electrode, comprising:
at least two metal electrodes;
at least two terminals respectively corresponding to the at least two metal electro

Assignees

• Samsung Electronics Co Ltd

Inventors

• Ko Byung-Hoon
• Lee Tak-Hyung
• Kim Youn-Ho
• Shin Kun-Soo

Classifications

• A61B2562/0215

  Silver or silver chloride containing · CPC title

• A61B5/0533

  Measuring galvanic skin response · CPC title

• Y10T29/4921

  with bonding · CPC title

• A61B2562/0217

  Electrolyte containing · CPC title

• A61B5/28

  for electrocardiography [ECG] · CPC title