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WO2024254780A1 - Électrode de mesure - Google Patents

Électrode de mesure Download PDF

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Publication number
WO2024254780A1
WO2024254780A1 PCT/CN2023/100164 CN2023100164W WO2024254780A1 WO 2024254780 A1 WO2024254780 A1 WO 2024254780A1 CN 2023100164 W CN2023100164 W CN 2023100164W WO 2024254780 A1 WO2024254780 A1 WO 2024254780A1
Authority
WO
WIPO (PCT)
Prior art keywords
liquid storage
liquid
component
storage component
electrical connection
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
PCT/CN2023/100164
Other languages
English (en)
Chinese (zh)
Inventor
黄惠
徐鑫
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Mindray Animal Medical Technology Co Ltd
Original Assignee
Shenzhen Mindray Animal Medical Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Mindray Animal Medical Technology Co Ltd filed Critical Shenzhen Mindray Animal Medical Technology Co Ltd
Priority to PCT/CN2023/100164 priority Critical patent/WO2024254780A1/fr
Priority to CN202380067051.3A priority patent/CN119894445A/zh
Publication of WO2024254780A1 publication Critical patent/WO2024254780A1/fr
Anticipated expiration legal-status Critical
Pending legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/25—Bioelectric electrodes therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/25—Bioelectric electrodes therefor
    • A61B5/279—Bioelectric electrodes therefor specially adapted for particular uses
    • A61B5/28—Bioelectric electrodes therefor specially adapted for particular uses for electrocardiography [ECG]

Definitions

  • the invention relates to the technical field of life signal detection, and in particular to a measuring electrode.
  • the electrodes used for testing need to be in direct contact with the skin to collect physiological signals. Since animals have a lot of hair on their surface, ordinary electrodes cannot be directly attached to the skin of animals. Generally, the animal needs to be shaved before measurement, which is cumbersome. Moreover, if the animal is awake, it may resist if you shave it, making shaving difficult. If the animal is a pet, shaving will affect the pet's appearance, and the pet owner may also mind.
  • the first electrode structure includes a protrusion and conductive fibers on the protrusion.
  • the protrusion and the conductive fibers are used to contact the animal skin to measure the ECG signal;
  • the second electrode includes a pointed end.
  • the pointed end on the electrode is used to pierce the epidermis of the animal skin to measure the ECG signal.
  • the invention provides a measuring electrode, which is used to solve the problem that the current measuring electrode has poor measurement stability or may injure an animal.
  • a measuring electrode comprising:
  • a liquid storage component wherein the liquid storage component has a liquid storage cavity, and the liquid storage cavity is used to store a conductive liquid; the liquid storage component has a contact surface for contacting a biological body surface, and the contact surface has a liquid discharge channel communicating with the liquid storage cavity; the liquid storage component has a deformable structure, and the liquid storage component is used to discharge the conductive liquid from the liquid discharge channel by deformation, so that the conductive liquid in the liquid storage cavity is electrically connected to the biological body surface; and
  • An electrical connection component is connected to the liquid storage component, the electrical connection component has a first part for electrically connecting to the conductive liquid in the liquid storage chamber, and the electrical connection part also has a second part for electrically connecting to a measuring host.
  • a measuring electrode comprising:
  • a liquid storage component having a liquid storage cavity, the liquid storage cavity storing a conductive liquid; the liquid storage component having a contact surface for contacting a biological body surface, the contact surface having a liquid discharge channel communicating with the liquid storage cavity; the liquid storage component having a deformable structure, the liquid storage component being used to discharge the conductive liquid from the liquid discharge channel by deformation, so that the conductive liquid in the liquid storage cavity is electrically connected to the biological body surface; and
  • An electrical connection component is connected to the liquid storage component, the electrical connection component has a first portion electrically connected to the conductive liquid in the liquid storage chamber, and the electrical connection portion also has a second portion for electrically connecting to a measuring host.
  • a measuring electrode comprising:
  • a liquid storage component wherein the liquid storage component has a liquid storage cavity, wherein the liquid storage cavity stores a conductive liquid; the liquid storage component has a contact surface for contacting a biological body surface, wherein the contact surface has a liquid discharge passage communicating with the liquid storage cavity; the liquid storage component is further provided with a mounting surface away from the contact surface, wherein the mounting surface is provided with a connecting passage communicating with the liquid storage cavity; the liquid storage component has a deformable structure, wherein the liquid storage component is used to discharge the conductive liquid in the liquid storage cavity from the liquid discharge passage by deformation, so that the conductive liquid in the liquid storage cavity is electrically connected to the biological body surface;
  • sealing member being removably disposed on the mounting surface of the liquid storage component, the sealing member covering the connecting channel;
  • An electrical connection component the electrical connection component is used to connect with the mounting surface of the liquid storage component, the electrical connection component has a first part electrically connected to the conductive liquid in the liquid storage chamber through the connecting channel, and the electrical connection component has a second part for electrically connecting to a measuring host.
  • a measuring electrode comprising:
  • a liquid storage component wherein the liquid storage component has a liquid storage cavity, and the liquid storage cavity is used to store a conductive liquid; the liquid storage component has a contact surface for contacting a biological body surface, and the contact surface has a liquid discharge channel connected to the liquid storage cavity; the liquid storage component is also provided with a mounting surface away from the contact surface, and the mounting surface is provided with a connecting channel connected to the liquid storage cavity; the liquid storage component has a deformable structure, and the liquid storage component is used to discharge the conductive liquid in the liquid storage cavity from the liquid discharge channel through deformation, so that the conductive liquid in the liquid storage cavity is electrically connected to the biological body surface;
  • sealing member being removably disposed on the mounting surface of the liquid storage component, the sealing member covering the connecting channel;
  • An electrical connection component the electrical connection component is used to connect with the mounting surface of the liquid storage component, the electrical connection component has a first part electrically connected to the conductive liquid in the liquid storage chamber through the connecting channel, and the electrical connection component has a second part for electrically connecting to a measuring host.
  • a measuring electrode comprising:
  • a liquid storage component the liquid storage component having a liquid storage cavity, the liquid storage cavity being used to store conductive liquid, the liquid storage component having a contact surface for contacting a biological body surface, the contact surface having a liquid discharge channel communicating with the liquid storage cavity;
  • An electrical connection component is connected to the liquid storage component, and the electrical connection component has a conductive surface; in the use state, the straight-line distance between the conductive surface and the contact surface is smaller than the straight-line distance between the conductive surface and the contact surface in the natural state, so as to achieve electrical conduction between the conductive surface and the surface of the biological body.
  • the liquid storage component is an insulating structure.
  • the thickness of the liquid storage component along the axial direction ranges from 3 to 6 mm.
  • the contact surface is a circular surface, and the diameter of the contact surface ranges from 30 to 40 mm, and/or the conductive surface is a circular surface, and the diameter of the conductive surface ranges from 10 to 40 mm.
  • the conductive liquid can be stored in the liquid storage component, the liquid storage component also has a contact surface in contact with the biological surface, the contact surface has a liquid discharge channel, the liquid storage component has a deformable structure, the liquid storage component can discharge the conductive liquid by deformation, and the conductive liquid can be connected between the biological surface and the contact surface, so that during the measurement process, the conductive liquid in the liquid storage cavity can be electrically connected to the biological surface through the discharged conductive liquid; and the electrical connection component has a first part electrically connected to the conductive liquid in the liquid storage cavity, so that during the measurement process
  • the electrical connection component can form an electrical connection with the surface of the biological body through the conductive liquid in the liquid storage chamber and the discharged conductive liquid; the conductive liquid can pass through the hair on the surface of the biological body to be electrically connected with the skin on the surface of the biological body, and can form a stable electrical connection.
  • the conductive liquid forms a flexible electrical connection with a certain deformation ability and can achieve a large-area contact with the surface of the biological body, which can ensure that the electrical connection component always maintains an electrical connection with the skin on the surface of the biological body; and the conductive liquid is used to achieve the electrical connection, and the conductive liquid can be wiped off after the measurement is completed, which will not cause discomfort to the biological body.
  • FIG1 is a schematic diagram of the structure of a measuring electrode in an embodiment
  • FIG2 is a cross-sectional view of a measuring electrode in one embodiment
  • FIG3 is an exploded view of a measuring electrode in one embodiment
  • FIG4 is a schematic diagram of the structure of adding conductive liquid to the measuring electrode in one embodiment
  • FIG5 is a schematic structural diagram of a measuring electrode in wearing state 1 according to an embodiment
  • FIG6 is a schematic structural diagram of a measuring electrode in a second wearing state according to an embodiment
  • FIG7 is a schematic structural diagram of a liquid storage component in an embodiment
  • FIG8a is a bottom view of a liquid storage component in one embodiment
  • FIG8b is a bottom view of a liquid storage component in one embodiment
  • FIG8c is a bottom view of a liquid storage component in one embodiment
  • FIG8d is a bottom view of a liquid storage component in one embodiment
  • FIG9 is a cross-sectional view of a measuring electrode in one embodiment
  • FIG10 a is a cross-sectional view of a measuring electrode in one embodiment
  • FIG10 b is a cross-sectional view of a measuring electrode in one embodiment
  • FIG10c is a cross-sectional view of a measuring electrode in one embodiment
  • FIG10d is a cross-sectional view of a measuring electrode in one embodiment
  • FIG11 is a schematic diagram of the structure of a measuring electrode in an embodiment
  • FIG12 is an exploded view of a measuring electrode in one embodiment
  • FIG13 is a schematic structural diagram of an assembly state of a measuring electrode in one embodiment
  • FIG14 is a cross-sectional view of an assembled state of a measuring electrode in one embodiment
  • FIG15 is a schematic diagram of the structure of a measuring electrode in an embodiment
  • FIG16 is a schematic diagram of an exploded structure of a measuring electrode in an embodiment
  • FIG17 is a cross-sectional view of a measuring electrode in one embodiment
  • FIG18 is a cross-sectional view of a measuring electrode in one embodiment
  • 1-liquid storage component 1a-liquid storage cup, 1b-upper cover, 1c-lower cover, 1d-lower cover sticker, 11-liquid storage cavity, 12-contact surface, 121-convex structure, 13-liquid discharge channel, 14-installation port, 141-card slot, 142-first limiting portion, 15-buffer support member, 16-installation surface, 161-connecting channel, 17-installation hole;
  • 2-electrical connection component 21-base, 211-liquid filling hole, 212-blocking member, 213-connecting member, 214-second limiting portion, 22-electrical connection terminal, 23-conductive surface, 2a-upper terminal, 2b-lower terminal;
  • 3-conductive liquid 4-biological surface, 41-hair; 5-elastic bandage; 6-sealing element; 7-conductive liquid container; 8-measuring host.
  • the measuring electrode uses a protruding structure or a needle-piercing structure to contact the skin of the animal.
  • the protruding structure and the needle-piercing structure are both set to penetrate the hair on the animal's body surface to achieve the measurement of the animal's vital signs.
  • the protruding structure is in point contact with the animal's skin.
  • the animal is prone to shaking its body and other movements, which can easily cause the protruding structure to be intermittently separated from the animal's skin, affecting the continuous measurement of the electrode, and thus causing inaccurate measurement data; and the needle-piercing structure inserted into the animal's body surface tissue will cause a tingling sensation to the animal, and may even cause harm to the animal.
  • the measuring electrode of the present application adopts a new electrical connection method, which uses a conductive liquid to realize the electrical connection between the electrode and the animal's body surface.
  • the conductive liquid can pass through the hair on the animal's body surface to realize a large-area electrical connection with the animal's body surface, thereby improving the stability of the electrical connection.
  • the electrical connection between the measuring electrode and the animal's body surface through the conductive liquid is similar to a flexible connection.
  • the conductive liquid has a certain deformability. When the animal is shaking or moving, the conductive liquid can compensate for the gap between the animal's body surface and the measuring electrode, thereby maintaining the stability and continuity of the electrical connection.
  • the viscous conductive liquid can form a connection state that is not disconnected by drawing, and can better ensure that the measuring electrode is always electrically connected to the animal's body surface.
  • it is only necessary to wipe off the conductive liquid on the animal's body surface which will not damage the animal's body surface and can avoid the squeezing and acupuncture of the animal's body surface by the raised structure and the acupuncture structure.
  • the measuring electrode will be tied to the animal through an elastic bandage. When the animal moves or is active, the disconnection time and distance between the animal's body surface and the measuring electrode are relatively small. Therefore, within a smaller spatial range, the deformation of the conductive fluid is sufficient to maintain the electrical connection between the measuring electrode and the biological body surface.
  • the measuring electrode of the present application mainly includes two parts: a liquid storage component and an electrical connection component.
  • the liquid storage component has a liquid storage cavity, which can store conductive liquid.
  • the liquid storage cavity is an elastic cavity or a flexible cavity. By squeezing the liquid storage component, the conductive liquid in the liquid storage cavity can be squeezed onto the skin of the animal body surface.
  • the electrical connection component is installed on the liquid storage component.
  • the electrical connection component is used to connect with an external device to transmit the measured signal to the measuring host.
  • the measuring electrode can include a variety of electrical connection methods, as follows:
  • the liquid storage component is an insulating structure
  • the electrical connection component is electrically connected to the conductive liquid in the liquid storage chamber.
  • part of the conductive liquid in the liquid storage chamber is squeezed and discharged to the animal's body surface, and the conductive liquid in the liquid storage chamber and the discharged conductive liquid are in a connected state.
  • the electrical connection component is electrically connected to the skin of the biological body surface through the conductive liquid in the liquid storage chamber and the discharged conductive liquid in turn.
  • the second method the liquid storage component is a conductive structure, and the electrical connection component is electrically connected to the liquid storage component.
  • the liquid storage component contacts the surface of the biological body, and part of the conductive liquid in the liquid storage cavity is squeezed and discharged to the surface of the animal.
  • the electrical connection component is electrically connected to the skin on the surface of the biological body through the liquid storage component.
  • the electrical connection component can also be electrically connected to the skin on the surface of the biological body through the liquid storage component and the discharged conductive liquid in sequence; and the electrical connection component can also be electrically connected to the skin on the surface of the biological body through the conductive liquid in the liquid storage cavity and the discharged conductive liquid in sequence.
  • connection and “coupling” mentioned in this application, unless otherwise specified, include direct and indirect connections (couplings).
  • a measuring electrode is provided.
  • the measuring electrode is mainly used for measuring the vital characteristics of the animal body surface.
  • the measuring electrode can be connected to a wearable device such as an elastic bandage, and the wearable device can bind or wear the measuring electrode on the animal.
  • the measuring electrode can also be used for measuring other living things, such as collecting signals from the human head.
  • the measuring electrode uses a conductive liquid as a conductive medium to achieve electrical connection with the skin of the biological body.
  • the conductive liquid can maintain electrical connection, thereby ensuring the stability and accuracy of the measurement of the measuring electrode.
  • the use of a conductive liquid with a certain viscosity has a better and more stable electrical connection effect.
  • the measuring electrode mainly includes a liquid storage component 1 and an electrical connection component 2.
  • the liquid storage component 1 has a liquid storage cavity 11, and the liquid storage cavity 11 is used to store the conductive liquid 3.
  • the liquid storage component 1 can be a flat sac-like structure.
  • the liquid storage component 1 has a contact surface 12 for contacting the surface of the biological body.
  • the contact surface 12 can be a plane.
  • the contact surface 12 has a drainage channel 13 connected to the liquid storage cavity 11.
  • the drainage channel 13 can be a hole-shaped, mouth-shaped, linear slit-shaped structure, etc.
  • the liquid storage cavity 11 is connected to the outside through the drainage channel 13.
  • the liquid storage component 1 has a deformable structure, so that the liquid storage cavity 11 is an elastic cavity.
  • the liquid storage component 1 is used to discharge the conductive liquid 3 in the liquid storage cavity 11 from the discharge channel 13 by deformation.
  • the discharged conductive liquid 3 contacts the biological surface 4.
  • the conductive liquid 3 can pass through the hair 41 on the biological surface 4 and contact the skin of the biological surface 4.
  • the deformable structure of the liquid storage component 1 can be a flexible structure.
  • the deformable structure of the liquid storage component 1 is a structure made of elastic materials such as rubber or silicone.
  • the restraining force will squeeze the deformable structure of the liquid storage component 1 and squeeze out the conductive liquid 3.
  • the entire liquid storage component 1 can be a deformable structure, that is, the entire liquid storage component 1 is an elastic material structure such as rubber or silicone, which can not only form an elastic liquid storage cavity 11, but also form a deformable contact surface 12, so that when the contact surface 12 is placed on the biological surface 4, it can be appropriately deformed according to the shape of the biological surface 4, and can increase the fit between the contact surface 12 and the biological surface 4, and reduce the gap between the biological surface 4 and the contact surface 12 (the two are separated by hair 41), so that less conductive liquid 3 can fill the gap, which is beneficial to improving the stability of the electrical connection.
  • an elastic material structure such as rubber or silicone
  • the liquid storage component 1 may also be configured as a partially deformable structure, for example, the contact surface 12 of the liquid storage component 1 and the portion close to the contact surface 12 are flexible structures, which can also achieve deformation of the liquid storage cavity 11 and deformation fit of the contact surface 12.
  • the liquid storage component 1 may also be configured as other deformable structures, that is, the deformable structure is a non-flexible structure that can be telescopically folded along the opening direction of the liquid discharge channel 13.
  • the deformable structure of the liquid storage component 1 is a non-flexible structure that can be telescopically folded along a direction perpendicular or substantially perpendicular to the contact surface 12, that is, the liquid storage component 1 has a wavy corrugated side wall perpendicular to the contact surface 12.
  • the wavy side wall will telescopically move, and the conductive liquid 3 in the liquid storage chamber 11 can also be discharged.
  • the electrical connection component 2 is connected to the liquid storage component 1, and the electrical connection component 2 is arranged at one end of the liquid storage component 1 away from the contact surface 12.
  • the electrical connection component 2 has a first part and a second part, the first part of the electrical connection component 2 is used to electrically connect to the conductive liquid 3 in the liquid storage cavity 11, and the second part of the electrical connection component 2 is used to electrically connect to the measuring host 8.
  • the electrical connection component 2 transmits the collected signal to the measuring host 8.
  • Part or all of the first part of the electrical connection component 2 extends into the liquid storage cavity 11, or part or all of the first part encloses the cavity wall of the liquid storage cavity 11, and the first part of the electrical connection component 2 is used to electrically connect to the conductive liquid 3 in the liquid storage cavity 11, so that the electrical connection component 2 can be electrically connected to the biological surface 4 through the conductive liquid 3 in the liquid storage cavity 11 and the discharged conductive liquid 3 in turn.
  • the first portion of the electrical connection component 2 may partially or completely extend into the interior of the liquid storage chamber 11, so that the first portion of the electrical connection component 2 is electrically connected to the conductive liquid 3 in the liquid storage chamber 11; or, the first portion of the electrical connection component 2 may partially or completely form a cavity wall enclosing the liquid storage chamber 11, so that the first portion of the electrical connection component 2 is electrically connected to the conductive liquid 3 in the liquid storage chamber 11.
  • the electrical connection component 2 can be used to connect the elastic bandage 5, and the elastic bandage 5 can bind the measuring electrode to the body of the organism.
  • the liquid storage component 1 is squeezed and deformed, and the conductive liquid 3 in the liquid storage cavity 11 is discharged.
  • the discharged conductive liquid 3 can pass through the hair 41 and be electrically connected to the biological surface 4.
  • the electrical connection component 2 can be provided with a connection part connected to the elastic bandage 5, such as a connection ring or other structure.
  • the electrical connection component 2 may include a substrate 21 and an electrical connection terminal 22.
  • the substrate 21 is connected to the liquid storage component 1, and the electrical connection terminal 22 is connected to the side of the substrate 21 facing away from the liquid storage component 1.
  • the substrate 21 may be a plate-like structure.
  • the liquid storage component 1 may be provided with a mounting port 14 at the upper end.
  • the substrate 21 is mounted on the mounting port 14.
  • the edge of the substrate 21 is sealedly connected with the mounting port 14, so that the substrate 21 and the liquid storage component 1 enclose a liquid storage cavity 11.
  • the side of the substrate 21 facing the liquid storage cavity 11 is a conductive surface 23.
  • the conductive surface 23 of the substrate 21 forms the cavity wall of the liquid storage cavity 11.
  • the conductive surface 23 of the substrate 21 (i.e., the side of the substrate 21 facing away from the electrical connection terminal 22) is the first part of the electrical connection component 2.
  • the end of the electrical connection terminal 22 away from the substrate 21 is used for electrical connection with the measuring host 8, and the end of the electrical connection terminal 22 away from the substrate 21 forms the second part of the electrical connection component 2.
  • the contact surface 12 may be a circular surface, and the diameter of the contact surface 12 may be in the range of 30-40 mm, for example, the diameter of the contact surface 12 may be 35 mm.
  • the conductive surface 23 may be a circular surface, and the diameter of the conductive surface 23 may be in the range of 10-40 mm, for example, the diameter of the conductive surface 23 may be 20 mm. In other embodiments, the contact surface 12 and the conductive surface 23 may also be in other shapes, such as square or oval.
  • the thickness range of the liquid storage component 1 along the axial direction is 3-6 mm.
  • the thickness of the liquid storage component 1 is 4 mm.
  • the thickness of the liquid storage component 1 is relatively small, and the height of the liquid storage cavity 11 is also small, so that during the measurement process, the conductive surface 23 can always be connected to the conductive liquid 3 in the liquid storage cavity 11 to ensure the stability of the electrical connection.
  • the straight-line distance between the conductive surface 23 and the contact surface 12 is L1; in the natural state (when the liquid storage component 1 is not deformed), the straight-line distance between the conductive surface 23 and the contact surface 12 is L2, L1 ⁇ L2; in the use state, the conductive surface 23 realizes electrical conduction with the biological body surface 4 through the conductive liquid 3 in the liquid storage cavity 11.
  • the base 21 may be a circular plate structure, and the liquid storage component 1 may be a circular bowl-shaped structure. The base 21 and the liquid storage component 1 are connected to form a circular flat structure.
  • the substrate 21 and the electrical connection terminal 22 are both conductive structures, such as the substrate 21 and the electrical connection terminal 22 are both made of conductive metal.
  • the substrate 21 and the electrical connection terminal 22 can be an integrated structure, and the substrate 21 and the electrical connection terminal 22 can also be fixed together by threaded connection, welding, clamping, etc.
  • the electrical connection terminal 22, the substrate 21, the conductive liquid 3 in the liquid storage chamber 11, the conductive liquid 3 in the liquid discharge channel 13, the discharged conductive liquid 3, and the biological surface 4 are sequentially connected in series to form an electrical connection.
  • the electrical connection component 2 may also include a substrate 21 and an electrical connection wire.
  • the electrical connection wire may be used instead of the electrical connection terminal 22 to achieve electrical connection between the electrical connection component 2 and the measurement host 8 .
  • the side wall of the installation opening 14 of the liquid storage component 1 may be provided with a slot 141, and the edge of the base 21 is connected to the slot 141 to form a sealed connection.
  • the liquid storage component 1 may be made of a material structure such as rubber, silicone, etc., so that the slot 141 of the installation opening 14 has a certain elasticity, the thickness of the base 21 may be slightly greater than the width of the slot 141, and the slot 141 wraps around the edge of the base 21 through elastic deformation to form a sealed connection.
  • the edge of the base 21 may also be sealed and connected to the mounting opening 14 by bonding or the like, so as to achieve a sealed connection between the base 21 and the liquid storage component 1 and enclose the liquid storage cavity 11 .
  • the base 21 may be provided with a liquid adding hole 211, which is in communication with the liquid storage chamber 11, and is used to add the conductive liquid 3 into the liquid storage chamber 11.
  • the liquid adding hole 211 is also provided with a plugging member 212, which may be a plugging structure with a certain elasticity, and the plugging member 212 is detachably connected to the liquid adding hole 211.
  • the blocking piece 212 is pulled out, and the conductive liquid container 7 is plugged into the liquid adding hole 211.
  • the conductive liquid container 7 can inject the conductive liquid 3 into the liquid storage chamber 11 through the liquid adding hole 211.
  • the blocking piece 212 is blocked in the liquid adding hole 211 to achieve sealing of the liquid adding hole 211, thereby preventing the conductive liquid in the liquid storage chamber 11 from overflowing and volatilizing.
  • the plugging member 212 can be connected to the base 21 or the liquid storage part 1 through a flexible connector 213.
  • the plugging member 212 can move through the flexible connector 213 to close and open the liquid filling hole 211.
  • the connector 213 connects the plugging member 212 to the base 21 or the liquid storage part 1, which can prevent the plugging member 212 from being lost.
  • the plugging member 212, the connector 213 and the liquid storage part 1 are an integrated structure, and the three are integrally formed.
  • the connector 213 is parallel to the base 21.
  • the connector 213 can also play the role of a force arm, pressing the plugging member 212 into the liquid filling hole 211 to improve the sealing of the plugging member 212.
  • the connector 213 can also be a connecting wire, which ties the plugging member 212 to the base 21 or the liquid storage part 1, and can also prevent the plugging member 212 from being lost.
  • the liquid adding hole 211 can also be arranged on the side wall of the liquid storage component 1, or the area of the base 21 parallel to the contact surface 12 is about half of that in this embodiment, and the missing half area of the base 21 is extended and closed by the liquid storage component 1, that is, the side of the liquid storage component 1 facing away from the contact surface 12 is provided with a plane, and the liquid adding hole 211 can be arranged on the plane.
  • the liquid adding hole 211 is arranged on the liquid storage component 1, and can also be connected with the liquid storage cavity 11 to realize the filling of the conductive liquid 3.
  • the side wall of the mounting opening 14 is further provided with a first limiting portion 142
  • the base 21 is provided with a second limiting portion 214.
  • the first limiting portion 142 and the second limiting portion 214 are connected to limit the rotational freedom of the base 21 relative to the mounting opening 14, that is, to limit the rotational freedom of the electrical connection component 2 relative to the liquid storage component 1, thereby improving the structural connection stability between the electrical connection component 2 and the liquid storage component 1, and ensuring the stability of the electrical connection.
  • the first limiting portion 142 can also play a role in circumferential positioning, positioning the circumferential position of the liquid adding hole 211, so that after the base 21 is installed in the mounting opening 14, the liquid adding hole 211 can be aligned with the blocking member 212 along the axial direction.
  • the first limiting portion 142 may be a protruding structure extending radially along the mounting opening 14 , and correspondingly, the second limiting portion 214 may be a radial limiting groove at the edge of the base 21 , in which the protruding structure is snapped to limit the rotational freedom of the base 21 .
  • first limiting portion 142 may also be a limiting groove
  • second limiting portion 214 may be a protruding structure, which can also achieve circumferential rotation limiting and circumferential position positioning of the base 21 relative to the mounting opening 14 .
  • FIG5 shows the wearing state 1 of the measuring electrode.
  • the wearing state 1 of the measuring electrode is the state in most of the measuring process, in which the electrical connection component 2 can form a stable electrical connection with the biological surface 4.
  • the measuring electrode can be bound on the biological surface 4 by an elastic bandage 5.
  • the biological surface 4 has hair 41.
  • the contact surface 12 of the measuring electrode is attached to the biological surface 4 under the restraint of the elastic bandage 5.
  • the liquid storage component 1 is squeezed and deformed, and the conductive liquid 3 in the liquid storage component 1 will be squeezed out of the liquid storage cavity 11, and the conductive liquid 3 penetrates between the contact surface 12 and the biological surface 4.
  • FIG. 6 shows the second wearing state of the measuring electrode.
  • the second wearing state of the measuring electrode is that the animal moves during the measurement process, resulting in a certain gap between the contact surface 12 and the biological surface 4.
  • the discharged conductive liquid 3 can fill and compensate for the gap between the contact surface 12 and the biological surface 4, so that the electrical connection component 2 can maintain a stable electrical connection with the biological surface 4.
  • the conductive liquid 3 can be stored in the liquid storage component 1, and the liquid storage component 1 also has a contact surface 12 in contact with the biological surface 4, and the contact surface 12 has a liquid discharge channel 13, and the liquid storage component 1 has a deformable structure, and the liquid storage component 1 can discharge the conductive liquid 3 by deformation, and the conductive liquid 3 can be connected between the biological surface 4 and the contact surface 12, so that during the measurement process, the conductive liquid 3 in the liquid storage cavity 11 can be electrically connected to the biological surface 4 through the discharged conductive liquid 3; and the electrical connection component 2 has a first part electrically connected to the conductive liquid 3 in the liquid storage cavity 11, so that During the measurement process, the electrical connection component 2 can form an electrical connection with the biological surface 4 through the conductive liquid 3 in the liquid storage chamber 11 and the discharged conductive liquid 3; the conductive liquid 3 can pass through the hair on the biological surface 4 to be electrically connected to the skin of the biological surface
  • the conductive liquid 3 forms a flexible electrical connection with a certain deformation ability, and can achieve a large-area contact with the biological surface 4, which can ensure that the electrical connection component always maintains an electrical connection with the skin of the biological surface 4; and the conductive liquid 3 is used to achieve electrical connection, and the conductive liquid 3 can be wiped off after the measurement is completed, which will not cause discomfort to the biological body.
  • the liquid storage chamber 11 does not contain the conductive liquid 3 when the measuring electrode leaves the factory, and the conductive liquid 3 is added to the liquid storage chamber 11 through the liquid filling hole 211 before the measuring electrode is used.
  • the conductive liquid 3 can be stored in the liquid storage chamber 11 for a long time, so that the measuring electrode can be used repeatedly. It should be noted that since the conductive liquid 3 has a certain tension, especially the conductive liquid 3 with a certain viscosity, after the conductive liquid 3 is partially consumed, the conductive liquid 3 can still realize the electrical connection between the electrical connection component 2 and the conductive liquid 3 in the liquid storage chamber 11 through the side wall.
  • the liquid storage chamber 11 of the measuring electrode may contain conductive liquid 3 when it leaves the factory. When a certain amount of conductive liquid 3 in the liquid storage chamber 11 is consumed, the conductive liquid 3 may be added to the liquid storage chamber 11 through the liquid filling hole 211 .
  • the liquid storage component 1 can be a conductive structure, the liquid storage component 1 can be a conductive structure as a whole, or a conductive layer is provided on the outer surface of the liquid storage component 1.
  • the electrical connection component 2 can also realize electrical connection with the biological surface 4 through the liquid storage component 1.
  • the conductive setting of the liquid storage component 1 allows the electrical connection component 2 to have more paths for electrical connection with the biological surface 4, which can improve the stability of the electrical connection between the electrical connection component 2 and the biological surface 4.
  • the electrical connection between the electrical connection component 2 and the biological surface 4 through the liquid storage component 1 can include two electrical connection paths: the first path, the electrical connection component 2, the liquid storage component 1 and the biological surface 4 are electrically connected in sequence; the second path, the electrical connection component 2, the liquid storage component 1, the discharged conductive liquid 3 and the biological surface 4 are electrically connected in sequence.
  • the liquid storage component 1 may also be an insulating structure, and the electrical connection component 2 may achieve electrical connection with the biological body surface 4 through the conductive liquid 3 in the liquid storage cavity 11 and the discharged conductive liquid 3.
  • the contact surface 12 of the liquid storage component 1 may be provided with a plurality of drainage channels 13, and the plurality of drainage channels 13 may be distributed along a circular array or a rectangular array; the plurality of drainage channels 13 may be provided on a circular trajectory, or may be provided on a plurality of concentric circular trajectories. Please refer to FIG. 8a to FIG. 8d, the plurality of drainage channels 13 are distributed on a circular trajectory, and the circular trajectory where the plurality of drainage channels 13 are located is concentric with the circular contact surface 12.
  • the drainage channel 13 may be a drainage hole, a drainage slit, or the like.
  • the drainage channel 13 is a drainage hole, and the aperture of the drainage hole is set small enough so that the conductive liquid 3 will not flow out automatically when there is no squeezing (when the liquid storage component 1 is in an undeformed state); when there is no squeezing (when the liquid storage component 1 is in a deformed state), the drainage hole is slightly opened to discharge the conductive liquid 3;
  • the drainage channel 13 may be a drainage slit structure, and the interface of the drainage slit is a straight line, a cross, or a Y-shape, and when there is no squeezing (when the liquid storage component 1 is in an undeformed state), the drainage slit is in a closed state; when there is no squeezing (when the liquid storage component 1 is in a deformed state), the drainage slit is opened to discharge the conductive liquid 3.
  • the contact surface 12 of the liquid storage component 1 is provided with a protruding structure 121.
  • a plurality of protruding structures 121 may be provided on the contact surface 12, and the liquid discharge channel 13 may be provided on the protruding structure 121.
  • the protruding structure 121 is more likely to pass through the animal hair, so that the liquid discharge channel 13 can directly discharge the conductive liquid 3 onto the skin of the biological surface 4.
  • the provision of the protruding structure 121 also causes the liquid storage component 1 to deform after being worn, which is conducive to the discharge of the conductive liquid 3.
  • the protruding structure 121 may be a semicircular structure or other arc-shaped structures. The smooth end of the protruding structure 121 will not sting the animal.
  • the raised structure 121 is formed by the raised contact surface 12 , that is, the raised structure 121 forms the inner wall of the liquid storage cavity 11 , so that the liquid storage cavity 11 can be deformed after the raised structure 121 contacts and squeezes the biological surface 4 , which is more conducive to the discharge of the conductive liquid 3 .
  • a buffer support 15 is provided in the liquid storage cavity 11 of the liquid storage component 1.
  • the buffer support 15 can provide a certain supporting force to the liquid storage cavity 11 so as to control the deformation of the liquid storage cavity 11 during wearing, that is, control the discharge amount of the conductive liquid 3.
  • the buffer support 15 may include an elastic structure, which can provide elastic support force to the liquid storage chamber 11, so that the liquid storage chamber 11 can slow down the deformation speed of the liquid storage chamber 11 during wearing, and can slow down the discharge speed and discharge amount of the conductive liquid 3.
  • the elastic structure has a better buffering effect.
  • the buffer support 15 is disposed on the cavity wall of the liquid storage cavity 11 close to the contact surface 12 .
  • the buffer support 15 is closer to the contact surface 12 , so that when the liquid storage component 1 is pressed toward the contact surface 12 , the buffer support 15 can provide more stable support.
  • the buffer support 15 can be a sponge, a spring, a columnar structure, or a cone structure.
  • the buffer support 15 is arranged in a direction perpendicular to the contact surface 12, so that the buffer support 15 such as the sponge, spring, columnar structure, cone structure, etc. can provide support force to the liquid storage chamber 11 along the buffer support 15.
  • the sponge can be an integrated structure or a multi-piece structure arranged at intervals; the spring, columnar structure, and cone structure can include multiple structures arranged at intervals, and the spring, columnar structure, and cone structure can be evenly distributed in a circular array or a rectangular array to provide a more stable and uniform support force, so that the multiple drainage channels 13 can discharge uniform conductive liquid 3.
  • the measuring electrode can be a split structure, and the measuring electrode is assembled before use, and the assembled measuring electrode can also realize the signal measurement of the biological body.
  • the measuring electrode with a split structure is conducive to the storage and transportation of the measuring electrode.
  • the measuring electrode includes a liquid storage component 1, an electrical connection component 2 and a sealing member 6, the liquid storage component 1 has a liquid storage cavity 11, and the liquid storage cavity 11 is used to store the conductive liquid 3.
  • the liquid storage component 1 can be a flat sac-like structure, and the liquid storage component 1 has a contact surface 12 for contacting the surface of the biological body, and the contact surface 12 can be a plane.
  • the contact surface 12 has a drainage channel 13 connected to the liquid storage cavity 11, and the drainage channel 13 can be a hole-shaped, mouth-shaped, linear gap-shaped, etc.
  • the liquid storage cavity 11 is connected to the outside through the drainage channel 13.
  • the liquid storage component 1 has a deformable structure, so that the liquid storage cavity 11 is an elastic cavity.
  • the liquid storage component 1 is used to discharge the conductive liquid 3 in the liquid storage cavity 11 from the discharge channel 13 by deformation.
  • the discharged conductive liquid 3 contacts the biological surface 4.
  • the conductive liquid 3 can pass through the hair 41 on the biological surface 4 and contact the skin of the biological surface 4.
  • the deformable structure of the liquid storage component 1 can be a flexible structure.
  • the deformable structure of the liquid storage component 1 is a structure made of elastic materials such as rubber or silicone.
  • the restraining force will squeeze the deformable structure of the liquid storage component 1 and squeeze out the conductive liquid 3.
  • the entire liquid storage component 1 can be a deformable structure, that is, the entire liquid storage component 1 is an elastic material structure such as rubber or silicone, which can not only form an elastic liquid storage cavity 11, but also form a deformable contact surface 12, so that when the contact surface 12 is placed on the biological surface 4, it can be appropriately deformed according to the shape of the biological surface 4, and can increase the fit between the contact surface 12 and the biological surface 4, and reduce the gap between the biological surface 4 and the contact surface 12 (the two are separated by hair 41), so that less conductive liquid 3 can fill the gap, which is beneficial to improving the stability of the electrical connection.
  • an elastic material structure such as rubber or silicone
  • the liquid storage component 1 may also be configured as a partially deformable structure, for example, the contact surface 12 of the liquid storage component 1 and the portion close to the contact surface 12 are flexible structures, which can also achieve deformation of the liquid storage cavity 11 and deformation fit of the contact surface 12.
  • the liquid storage component 1 may also be configured as other deformable structures, such as the deformable structure of the liquid storage component 1 is a non-flexible structure that can be retracted and folded in a direction perpendicular or approximately perpendicular to the contact surface 12, that is, the liquid storage component 1 has a wavy side wall perpendicular to the contact surface 12, and when the liquid storage component 1 is squeezed in a direction perpendicular or approximately perpendicular to the contact surface 12, the wavy side wall will retract and expand, and can also discharge the conductive liquid 3 in the liquid storage chamber 11.
  • the deformable structure of the liquid storage component 1 is a non-flexible structure that can be retracted and folded in a direction perpendicular or approximately perpendicular to the contact surface 12, that is, the liquid storage component 1 has a wavy side wall perpendicular to the contact surface 12, and when the liquid storage component 1 is squeezed in a direction perpendicular or approximately perpendicular to the contact surface 12, the wavy side wall will retract
  • the liquid storage component 1 is further provided with a mounting surface 16 away from the contact surface 12, and the mounting surface 16 may be parallel to the contact surface 12.
  • a connecting channel 161 is provided on the mounting surface 16, and the connecting channel 161 is connected to the liquid storage cavity 11.
  • the connecting channel 161 may be a connecting structure such as a connecting hole or a connecting port.
  • the aperture or caliber of the connecting channel 161 may be larger than the liquid discharge channel 13.
  • the connecting channel 161 with a larger aperture or caliber is conducive to electrical connection with the electrical connection component 2.
  • the liquid storage component 1 may include a liquid storage cup 1a, an upper cover 1b and a lower cover 1c.
  • the upper end of the liquid storage cup 1a has an opening, the lower end surface of the liquid storage cup 1a is a contact surface 12, and the lower end of the liquid storage cup 1a has a liquid discharge channel 13.
  • the upper cover 1b is fixed to the upper end of the liquid storage cup 1a by bonding, welding, etc., and the upper cover 1b seals the opening at the upper end of the liquid storage cup 1a.
  • the upper surface of the upper cover 1b is a mounting surface 16, and the upper cover 1b has a connecting channel 161.
  • the lower cover 1c is removably fixed to the bottom surface (contact surface 12) of the liquid storage cup 1a, and the lower cover 1c may be a release paper or other film structure with bonding properties.
  • the area of the lower cover 1c may be larger than the bottom surface of the liquid storage cup 1a, or the area of the bottom surface of the liquid storage cup 1a is larger than the area of the liquid discharge channel 13 in the bottom surface of the liquid storage cup 1a, so that the lower cover 1c can completely seal all the liquid discharge channels 13.
  • the lower cover 1c may be provided with an easy-tear structure radially protruding from the liquid storage cup 1a, so as to facilitate tearing off the lower cover 1c during use.
  • the upper cover 1b may also be provided with an easy-tear structure, which radially protrudes from the electrical connection component 2, so that after the electrical connection component 2 is installed on the upper cover 1b, the electrical connection component 2 can be separated from the upper cover 1b through the easy-tear structure, and after separation, the conductive liquid 3 can be added for reuse.
  • the drainage channel 13 is configured as a smaller aperture, or the drainage channel 13 is in a closed state, and the lower cover 1c may not be provided, and the conductive liquid 3 in the liquid storage chamber 11 will not automatically flow out.
  • liquid storage cup 1a and the upper cover 1b may be an integral structure.
  • the seal 6 is removably disposed on the mounting surface 16 of the liquid storage component 1, and the seal 6 covers the connecting channel 161, that is, the seal 6 is disposed on the upper surface of the upper cover 1b.
  • the seal 6 and the liquid storage component 1 form a structure, so that the liquid storage component 1 can be stored and transported separately.
  • the seal 6 can be a release paper or other film structure, and the mounting surface 16 can be set as an adhesive surface, and the seal 6 is fixed on the mounting surface 16 by the adhesiveness of the mounting surface 16. After the seal 6 on the mounting surface 16 is torn off, the mounting surface 16 with adhesiveness can be bonded and fixed to the electrical connection component 2.
  • the seal 6 on the mounting surface 16 is torn off, and the electrical connection component 2 is connected to the mounting surface 16 of the liquid storage component 1.
  • the electrical connection component 2 has a first part and a second part. The first part of the electrical connection component 2 is used to electrically connect to the conductive liquid 3 in the liquid storage chamber 11 through the connecting channel 161, and the second part of the electrical connection component 2 is used to electrically connect to the measuring host 8. As a component connected to the outside, the electrical connection component 2 transmits the collected signal to the measuring host 8.
  • the first part of the electrical connection component 2 is used to electrically connect to the conductive liquid 3 in the liquid storage chamber 11, so that the electrical connection component 2 can be electrically connected to the biological surface 4 through the conductive liquid 3 in the liquid storage chamber 11 and the discharged conductive liquid 3 in sequence.
  • the first part of the electrical connection component 2 can partially or completely extend into the interior of the liquid storage chamber 11, so that the first part of the electrical connection component 2 is electrically connected to the conductive liquid 3 in the liquid storage chamber 11; or the first part of the electrical connection component 2 can partially or completely be the cavity wall enclosing the liquid storage chamber 11, which can also make the first part of the connection part 2 electrically connected to the conductive liquid 3 in the liquid storage chamber 11.
  • the electrical connection component 2 may include a substrate 21 and an electrical connection terminal 22, wherein the substrate 21 is connected to the liquid storage component 1, and the electrical connection terminal 22 is connected to the side of the substrate 21 facing away from the liquid storage component 1.
  • the substrate 21 may be a plate-like structure, wherein the side of the substrate 21 facing the liquid storage chamber 11 is a conductive surface 23, and the conductive surface 23 of the substrate 21 is fixedly connected to the mounting surface 16 having adhesive properties, and the conductive surface 23 of the substrate 21 (i.e., the side of the substrate 21 facing away from the electrical connection terminal 22) is the first part of the electrical connection component 2.
  • the end of the electrical connection terminal 22 away from the substrate 21 is used for electrical connection with the measuring host 8, and the end of the electrical connection terminal 22 away from the substrate 21 forms the second part of the electrical connection component 2.
  • the straight-line distance between the conductive surface 23 and the contact surface 12 is L1; in the natural state (when the liquid storage component 1 is not deformed), the straight-line distance between the conductive surface 23 and the contact surface 12 is L2, L1 ⁇ L2; in the use state, the conductive surface 23 realizes electrical conduction with the biological body surface 4 through the conductive liquid 3 in the liquid storage cavity 11.
  • the base 21 may be a circular plate structure, and the liquid storage component 1 may be a circular bowl-shaped structure. The base 21 and the liquid storage component 1 are connected to form a circular flat structure.
  • the substrate 21 and the electrical connection terminal 22 are both conductive structures, such as the substrate 21 and the electrical connection terminal 22 are both made of conductive metal.
  • the substrate 21 and the electrical connection terminal 22 can be an integrated structure, and the substrate 21 and the electrical connection terminal 22 can also be fixed together by threaded connection, welding, clamping, etc.
  • the electrical connection terminal 22, the substrate 21, the conductive liquid 3 in the liquid storage chamber 11, the conductive liquid 3 in the liquid discharge channel 13, the discharged conductive liquid 3, and the biological surface 4 are sequentially connected in series to form an electrical connection.
  • the electrical connection component 2 may also include a substrate 21 and an electrical connection wire.
  • the electrical connection wire may be used instead of the electrical connection terminal 22 to achieve electrical connection between the electrical connection component 2 and the measurement host 8 .
  • the measuring electrode is initially in two structures, and the two structures can be stored and transported separately; when the measuring electrode is used, the seal 6 is torn off to organize the two independent structures together to form a complete measuring electrode.
  • the conductive liquid 3 can be stored in the liquid storage component 1, and the liquid storage component 1 also has a contact surface 12 in contact with the biological surface 4, and the contact surface 12 has a liquid discharge channel 13.
  • the liquid storage component 1 has a deformable structure, and the liquid storage component 1 can discharge the conductive liquid 3 by deformation, and the conductive liquid 3 can be connected between the biological surface 4 and the contact surface 12, so that during the measurement process, the conductive liquid 3 in the liquid storage cavity 11 can be electrically connected to the biological surface 4 through the discharged conductive liquid 3; and the electrical connection component 2 has a first part electrically connected to the conductive liquid 3 in the liquid storage cavity 11, so that During the measurement process, the electrical connection component 2 can form an electrical connection with the biological surface 4 through the conductive liquid 3 in the liquid storage chamber 11 and the discharged conductive liquid 3; the conductive liquid 3 can pass through the hair of the biological surface 4 to electrically connect with the skin of the biological surface 4, and can form a stable electrical connection.
  • the conductive liquid 3 forms a flexible electrical connection with a certain deformation ability, and can achieve a large area contact with the biological surface 4, which can ensure that the electrical connection component always maintains an electrical connection with the skin of the biological surface 4; and the conductive liquid 3 is used to achieve electrical connection, and the conductive liquid 3 can be wiped off after the measurement is completed, which will not cause discomfort to the biological body.
  • the measurement electrodes are arranged in a split manner, which is convenient for the transportation and storage of the measurement electrodes.
  • the measuring electrode can be a disposable measuring electrode, in which the conductive liquid 3 is pre-stored, and no liquid filling hole is provided.
  • the conductive liquid 3 may not be pre-stored in the measuring electrode, and before use, after the seal 6 is torn off, the conductive liquid 3 can be filled into the liquid storage chamber 11 through the connecting channel 161.
  • the measuring electrode can also be a reusable measuring electrode, and after the electrical connection component 2 is removed, the conductive liquid 3 can be filled into the liquid storage chamber 11 through the connecting channel 161 for repeated use.
  • the measuring electrode may not include the sealing member 6, and the liquid storage member 1 and the electrical connection member 2 are fixedly connected, and the electrical connection member 2 and the liquid storage member 1 are fixed as an integral structure.
  • the base 21 of the electrical connection member 2 is fixed to the upper cover 1b by bonding or the like, and the base 21 is electrically connected to the conductive liquid 3 in the liquid storage chamber 11 through the connection channel 161 of the upper cover 1b.
  • the liquid storage member 1 and the electrical connection member 2 of the integral structure can be used directly by the user without assembly.
  • the measuring electrode may not include the seal 6 and the upper cover 1b, and the liquid storage component 1 and the electrical connection component 2 are fixedly connected, and the electrical connection component 2 and the liquid storage component 1 are fixed as an integral structure.
  • the base 21 of the electrical connection component 2 is fixed to the upper end of the liquid storage cup 1a by bonding or the like, and the base 21 and the liquid storage cup 1a enclose a liquid storage cavity 11, and the base 21 is directly electrically connected to the conductive liquid 3 in the liquid storage cavity 11.
  • the liquid storage component 1 and the electrical connection component 2 of the integral structure can be used directly by the user without assembly.
  • part of the electrical connection component 2 can extend into the liquid storage cavity 11.
  • the upper end of the liquid storage component 1 is not provided with a mounting opening 14, and the upper end of the liquid storage component 1 is closed, that is, the liquid storage component 1 itself encloses the liquid storage cavity 11.
  • the electrical connection component 2 is located at the upper end of the liquid storage component 1, and the lower end of the electrical connection component 2 extends through the liquid storage component 1 into the liquid storage cavity 11.
  • the conductive surface 23 of the electrical connection component 2 extends into the liquid storage cavity 11, and the electrical connection component 2 can also be connected to the conductive liquid 3 in the liquid storage cavity 11.
  • the liquid storage component 1 may include a liquid storage cup 1a, an upper cover 1b and a lower cover 1c.
  • the liquid storage cup 1a is a ring-shaped sponge structure, and the liquid storage cup 1a can be compressed and deformed along the axial direction (up and down direction).
  • the upper cover 1b is fixed to the upper end surface of the liquid storage cup 1a, and a mounting hole 17 is provided in the middle of the upper cover 1b.
  • the lower cover 1c is fixed to the lower end surface of the liquid storage cup 1a, and the lower cover 1c is provided with a plurality of drainage channels 13 (drainage holes).
  • the liquid storage cup 1a, the upper cover 1b and the lower cover 1c enclose a liquid storage chamber 11, and the liquid storage chamber 11 can store conductive liquid 3.
  • the electrical connection component 2 may include an upper terminal 2a and a lower terminal 2b.
  • the upper end of the upper terminal 2a is a spherical structure, and the lower end of the upper terminal 2a is a trumpet-shaped structure.
  • the outer diameter of the trumpet-shaped structure at the lower end of the upper terminal 2a is greater than the aperture of the mounting hole 17, so that the upper terminal 2a is fixed on the upper cover 1b to block the mounting hole 17.
  • the upper terminal 2a has a mounting hole extending upward from the bottom surface, and the lower terminal 2b may be an inverted T-shaped structure.
  • the lower terminal 2b passes through the mounting hole 17 from the inner side of the upper cover 1b and is connected to the mounting hole of the upper terminal 2a.
  • the upper terminal 2a and the lower terminal 2b may be threaded or clamped. Both the upper terminal 2a and the lower terminal 2b are conductive structures.
  • the lower surface of the lower terminal 2b forms a conductive surface 23, which is located in the liquid storage chamber 11.
  • the conductive surface 23 can be connected to the conductive liquid 3 in the liquid storage chamber 11.
  • the liquid storage cup 1a, the upper cover 1b and the lower cover 1c can be insulating non-conductive structures, and the electrical connection component 2 can be electrically connected to the biological surface 4 through the conductive surface 23, the conductive liquid 3 in the liquid storage cavity 11 and the discharged conductive liquid 3 in sequence.
  • the liquid storage component 1 may further include a lower cover sticker 1d, which may be a release paper.
  • the lower cover sticker 1d is used to be attached to the bottom surface (contact surface 12) of the lower cover 1c to seal the discharge channel 13, so as to facilitate the sealed storage of the measuring electrode.
  • the cover sticker 1d is torn off and the liquid storage component 1 is placed against the biological surface 4.
  • the upper end of the liquid storage component 1 is not provided with a mounting opening 14, and the upper end of the liquid storage component 1 is closed, that is, the liquid storage component 1 itself encloses a liquid storage cavity 11.
  • the liquid storage component 1 is a conductive structure, and the electrical connection component 2 is fixed to the upper end of the liquid storage component 1.
  • the electrical connection component 2 is electrically connected to the biological surface 4 through the conductive liquid storage component 1.
  • the conductive liquid 3 is discharged from the lower end of the liquid storage component 1, and the electrical connection component 2 can also be electrically connected to the biological surface 4 through the liquid storage component 1 and the conductive liquid 3 in turn, that is, the electrical connection component 2 can be electrically connected to the biological surface 4 through two conductive paths, and the stability of the electrical connection with the biological surface 4 can also be improved.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Veterinary Medicine (AREA)
  • Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Cardiology (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)

Abstract

Électrode de mesure, comprenant : un composant de stockage de liquide, le composant de stockage de liquide étant pourvu d'une cavité de stockage de liquide, la cavité de stockage de liquide étant utilisée pour stocker un liquide électroconducteur, le composant de stockage de liquide ayant une face de contact, la face de contact étant pourvue d'un canal d'évacuation de liquide en communication avec la cavité de stockage de liquide, le composant de stockage de liquide ayant une structure déformable, et le composant de stockage de liquide étant utilisé pour évacuer le liquide électroconducteur à travers le canal d'évacuation de liquide au moyen d'une déformation ; et un composant de connexion électrique, qui est connecté au composant de stockage de liquide. Comme le composant de connexion électrique peut former une connexion électrique avec une surface d'un organisme au moyen du liquide électroconducteur dans la cavité de stockage de liquide et le liquide électroconducteur évacué, et les liquides électroconducteurs peuvent passer à travers les poils ou cheveux sur la surface de l'organisme pour être électriquement connectés à la peau sur la surface de l'organisme, et peuvent former une connexion électrique stable, même si l'organisme se déplace pendant la mesure, les liquides électroconducteurs forment une connexion électrique flexible, et peuvent réaliser un contact de grande surface avec la surface de l'organisme, de telle sorte qu'il peut être garanti que le composant de connexion électrique est toujours électriquement connecté à la peau sur la surface de l'organisme ; et une connexion électrique est mise en œuvre en utilisant les liquides électroconducteurs, et après achèvement de la mesure, les liquides électroconducteurs sont essuyés, et cela permet d'éviter la génération de la sensation d'inconfort pour l'organisme.
PCT/CN2023/100164 2023-06-14 2023-06-14 Électrode de mesure Pending WO2024254780A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/CN2023/100164 WO2024254780A1 (fr) 2023-06-14 2023-06-14 Électrode de mesure
CN202380067051.3A CN119894445A (zh) 2023-06-14 2023-06-14 一种测量电极

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2023/100164 WO2024254780A1 (fr) 2023-06-14 2023-06-14 Électrode de mesure

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040073104A1 (en) * 2001-02-23 2004-04-15 Riccardo Brun Del Re Enhanced pickup-electrode
CN103654772A (zh) * 2012-09-14 2014-03-26 索尼公司 生物信号测量电极以及生物信号测量仪器
CN104068852A (zh) * 2014-06-28 2014-10-01 苏州格林泰克科技有限公司 一种生物电信号传感器
CN108652620A (zh) * 2018-05-30 2018-10-16 华南理工大学 用于采集脑电信号的柔性半干式多层结构电极
CN110811600A (zh) * 2019-11-27 2020-02-21 深圳市科道智能产品有限公司 一种适用于动态生物电检测的智能导联
CN113812954A (zh) * 2021-09-29 2021-12-21 北京脑陆科技有限公司 弹簧式电极
CN216603792U (zh) * 2021-09-27 2022-05-27 未来穿戴技术股份有限公司 电脉冲按摩仪
CN115120869A (zh) * 2022-06-23 2022-09-30 未来穿戴健康科技股份有限公司 一种储液件及可穿戴电刺激按摩仪

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040073104A1 (en) * 2001-02-23 2004-04-15 Riccardo Brun Del Re Enhanced pickup-electrode
CN103654772A (zh) * 2012-09-14 2014-03-26 索尼公司 生物信号测量电极以及生物信号测量仪器
CN104068852A (zh) * 2014-06-28 2014-10-01 苏州格林泰克科技有限公司 一种生物电信号传感器
CN108652620A (zh) * 2018-05-30 2018-10-16 华南理工大学 用于采集脑电信号的柔性半干式多层结构电极
CN110811600A (zh) * 2019-11-27 2020-02-21 深圳市科道智能产品有限公司 一种适用于动态生物电检测的智能导联
CN216603792U (zh) * 2021-09-27 2022-05-27 未来穿戴技术股份有限公司 电脉冲按摩仪
CN113812954A (zh) * 2021-09-29 2021-12-21 北京脑陆科技有限公司 弹簧式电极
CN115120869A (zh) * 2022-06-23 2022-09-30 未来穿戴健康科技股份有限公司 一种储液件及可穿戴电刺激按摩仪

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