Electrode structures and wearable devices

Patent metadata

Field	Value
Publication number	US-2025072806-A1
Application number	US-202418954461-A
Country	US
Kind code	A1
Filing date	Nov 20, 2024
Priority date	Nov 28, 2022
Publication date	Mar 6, 2025
Grant date	—

Abstract

Embodiments of the present disclosure provide an electrode structure including: a plurality of electrodes. Each of the plurality of electrodes is flexibly connected to at least another of the plurality of electrodes through a connector. The connection member allows electrically conduction of the connected electrodes. Electrode structures provided by embodiments of the present disclosure have a great elasticity coefficient range, and the electrode structures are adjustable.

First claim

What is claimed is:

1 . An electrode structure, comprising: a plurality of electrodes, wherein
each of the plurality of electrodes is flexibly connected to at least another of the plurality of electrodes through a connector, the connector allows electrical conduction between the connected electrodes, wherein each of the plurality of electrodes has an area of 1 mm 2 to 20 mm 2 .

2 . The electrode structure of claim 1 , wherein the connector includes a conductive structure, and the each of the plurality of electrodes is flexibly connected to the at least another of the plurality of electrodes through the conductive structure.

3 . The electrode structure of claim 2 , wherein the conductive structure has a deformable amount of 5% to 200% along an axial direction of the conductive structure.

4 . The electrode structure of claim 2 , wherein a natural length of the conductive structure is greater than an initial distance between the connected electrodes.

5 . The electrode structure of claim 4 , wherein a ratio of the natural length of the conductive structure to the initial distance between the connected electrodes is 1.5 to 10.

6 . The electrode structure of claim 2 , wherein the conductive structure is detachably connected to the connected electrodes.

7 . The electrode structure of claim 2 , wherein the conductive structure is connected to each of the connected electrodes through a plug-in connection.

8 . The electrode structure of claim 2 , wherein
the conductive structure includes one or more wires, the each of the plurality of electrodes is flexibly connected to the at least another of the plurality of electrodes through at least one of the one or more wires, and the at least one wire allows electrical conduction between the connected electrodes.

9 . The electrode structure of claim 8 , wherein a material of the one or more wires includes at least one of fibers coated with conductive metal, fibers deposited with conductive substances, and polymer composites of mixed conductive material.

10 . The electrode structure of claim 2 , wherein
the conductive structure includes one or more connecting electrodes, the each of the plurality of electrodes is flexibly connected to the at least another of the plurality of electrodes through at least one of the one or more connecting electrodes, and the at least one connecting electrode allows electrical conduction between the connected electrodes.

11 . The electrode structure of claim 10 , wherein the one or more connecting electrodes and the plurality of electrodes are an integrated structure.

12 . The electrode structure of claim 2 , wherein for each of the plurality of electrodes,
a ratio of a maximum size of the electrode along a first direction to a maximum size of the electrode in a second direction is 0.1 to 10, wherein the first direction is perpendicular to the second direction.

13 . The electrode structure of claim 2 , wherein
the electrode structure further includes a substrate, the plurality of electrodes being arranged on the substrate along a first direction and a second direction, respectively, and the electrode structure has different elasticity coefficients along the first and the second direction respectively.

14 . The electrode structure of claim 1 , wherein a ratio of the area of the electrode structure to a sum of the areas of the plurality of electrodes is 1 to 1000.

15 . A wearable device, comprising:
a wearable wearing portion, including a substrate fitting a user's body; at least two first electrodes spaced apart on the substrate and configured to fit a skin to collect physiological signals, respectively; and at least two second electrodes spaced apart on the substrate and electrically connected to each other through a connector, the at least two second electrodes being configured to fit the skin to provide a reference voltage for the physiological signals.

16 . The wearable device of claim 15 , wherein the at least two second electrodes are symmetrical with respect to a mid-sagittal plane of the user when the user wears the wearing portion.

17 . A wearable device, comprising:
a wearable wearing portion, including a substrate fitting a user's body; at least two electrode structures spaced apart on the substrate and configured to fit a skin to collect physiological signals, wherein each of the at least two electrode structures includes a plurality of electrodes, each of the plurality of electrodes is electrically connected to at least another of the plurality of electrodes through a connector, and the electrode structure is configured to collect electrical signals from a same target muscle of the user's body.

18 . The wearable device of claim 17 , wherein at least a portion of the plurality of electrodes are detachably connected to the wearing portion.

19 . The wearable device of claim 17 , wherein each of the plurality of electrodes is flexibly connected to at least another of the plurality of electrodes through the connector.

20 . The wearable device of claim 17 . wherein each of the plurality of electrodes has an area of 1 mm 2 to 20 mm 2 .

Assignees

• Shenzhen Shokz Co Ltd

Inventors

• Zhou Xin
• Liao Fengyun
• Qi Xin

Classifications

• A61B2562/0209

  Special features of electrodes classified in A61B5/24, A61B5/25, A61B5/283, A61B5/291, A61B5/296, A61B5/053 · CPC title

• A61B5/282

  Holders for multiple electrodes (for introduction into the body A61B5/287) · CPC title

• A61B5/389

  Electromyography [EMG] · CPC title

• A61B5/6824

  Arm or wrist · CPC title

• A61B5/291

  for electroencephalography [EEG] · CPC title