Defibrillation electrode plate and defibrillation device
By combining a gradient nanocomposite conductive layer, a conductive gel storage layer, and an anti-warping edge reinforcement structure, the problems of unstable conductivity and poor safety in the use of existing defibrillation electrode pads are solved, achieving efficient and safe defibrillation.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHENZHEN XFT MEDICAL LTD
- Filing Date
- 2025-06-09
- Publication Date
- 2026-05-15
AI Technical Summary
Existing defibrillator electrode pads suffer from unstable conductivity, short lifespan, and poor safety. In particular, they are prone to conductivity decay, local high-current burns to the patient's skin, and edge detachment during frequent defibrillation or prolonged application.
The design employs a combination of a gradient nanocomposite conductive layer, a conductive gel storage layer, a biocompatible bottom layer, and an anti-lifting edge reinforcement structure. The gradient nanocomposite conductive layer distributes the high-voltage current evenly, the conductive gel storage layer releases the conductive gel through a pressure-responsive microcapsule structure, the anti-lifting edge reinforcement structure improves adhesion, and the conductive performance self-test indicator area ensures the stability and safety of the electrode sheet.
It achieves uniform transmission of high-voltage current in defibrillator electrodes, extends service life, improves conductivity stability and safety, reduces the risk of skin burns from localized high current density, and has a self-testing function to reduce medical risks.
Smart Images
Figure CN224235911U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of medical device technology, and more specifically, to a defibrillation electrode pad and a defibrillation device. Background Technology
[0002] A defibrillator is a medical device that uses a strong pulse of electrical current to eliminate cardiac arrhythmias and restore sinus rhythm. In emergency situations such as cardiopulmonary resuscitation (CPR), defibrillation is a crucial step. Its core principle is to efficiently and safely deliver the electrical current generated by the defibrillator to the patient's heart through good skin contact, correcting life-threatening arrhythmias. As the core component of a defibrillator, defibrillation electrodes have become particularly critical due to the widespread deployment of public automated external defibrillators (AEDs) and the increasing demand for frequent defibrillation operations in hospitals. Their performance stability, storage life, and safety have become especially vital.
[0003] In related technologies, defibrillator electrodes in defibrillators often use a single metal conductive layer combined with hydrogel as the conductive medium. However, while these electrodes can meet basic defibrillation needs in the short term, the conductivity of the single conductive material is prone to decay during frequent defibrillation or prolonged application, thus affecting defibrillation effectiveness. The conductive gel easily loses its conductivity and adhesion when exposed to the environment for extended periods or stored in poor conditions, causing the electrodes to fail to conduct electricity properly and affecting defibrillation effectiveness. These electrodes are also highly susceptible to the patient's surface environment during use, with the edges easily lifting and detaching, further impacting defibrillation effectiveness. Furthermore, these electrodes are often designed as homogeneous materials, which prevents the dispersion of high-voltage current, potentially leading to localized high current and burns to the patient. Moreover, these electrodes lack a conductivity self-testing function, making it impossible to assess the conductivity of the defibrillator before use, thus compromising defibrillation effectiveness. Therefore, the defibrillator electrodes used in existing defibrillators suffer from poor performance stability, short lifespan, and poor safety during use. Utility Model Content
[0004] The purpose of this application is to provide a defibrillation electrode pad and a defibrillation device that can improve the service life, conductivity stability and safety of the defibrillation electrode pad.
[0005] The embodiments of this application are implemented as follows:
[0006] A first aspect of this application provides a defibrillator electrode pad, which includes: a gradient nanocomposite conductive layer, a conductive gel storage layer, a biocompatible bottom layer, and an anti-warping edge reinforcement structure.
[0007] The lower surface of the gradient nanocomposite conductive layer is bonded to the upper surface of the conductive gel storage layer;
[0008] The lower surface of the conductive gel storage layer is bonded to the upper surface of the biocompatible substrate;
[0009] The upper surface of the anti-lifting edge reinforcement structure is bonded to the lower surface of the biocompatible substrate, and the lower surface of the anti-lifting edge reinforcement structure is made of a material with a viscosity greater than a preset value.
[0010] As one possible implementation, the gradient nanocomposite conductive layer includes: a first conductive region, a second conductive region, and a third conductive region. The first conductive region is located in the central region of the gradient nanocomposite conductive layer, and the second conductive region is located between the first conductive region and the third conductive region. Both the second conductive region and the third conductive region are annular regions, and the first conductive region is a circular region.
[0011] The first conductive region is composed of a first conductive material, the second conductive region is composed of a second conductive material, and the third conductive region is composed of a third conductive material, with the conductivity of the first, second, and third conductive materials decreasing sequentially.
[0012] As one possible implementation, the first conductive material is a graphene composite material, the second conductive material is a composite material of graphene and conductive polymer, and the third conductive material is a flexible conductive polymer material.
[0013] As one possible implementation, the first conductive material is a carbon nanotube composite material, the second conductive material is a composite material of carbon nanotubes and conductive polymers, and the third conductive material is a flexible conductive polymer material.
[0014] As one possible implementation, the conductive gel storage layer includes multiple pressure-responsive microcapsule structures, each of which stores conductive gel.
[0015] When pressure is applied, the pressure-responsive microcapsule structure releases conductive gel.
[0016] As one possible approach, the biocompatible substrate is made of medical-grade silicone material.
[0017] As one possible implementation, the anti-warping edge reinforcement structure is a two-layer composite structure, which includes an inner layer, an outer layer, and a micro-serrated structure.
[0018] The inner and outer layers are connected by a micro-serrated structure.
[0019] As one possible implementation, the defibrillation electrode pads described above also include: an upper protective film;
[0020] The lower surface of the upper protective film is attached to the upper surface of the gradient nanocomposite conductive layer.
[0021] As one possible implementation, a conductivity self-test indicator area is provided on the lower surface of the upper protective film. The conductivity self-test indicator area includes: a first indicator area, a second indicator area, and a third indicator area.
[0022] The first indicator area is aligned with the first conductive area, the second indicator area is aligned with the second conductive area, and the third indicator area is aligned with the third conductive area.
[0023] The first, second, and third indicator areas are each composed of a color-changing material that is sensitive to electrical conductivity.
[0024] A second aspect of this application provides a defibrillation device that includes the defibrillation electrode pads described in the first aspect.
[0025] The beneficial effects of the embodiments of this application include:
[0026] This application provides a defibrillator electrode pad with a hierarchical structure consisting of a gradient nanocomposite conductive layer, a conductive gel storage layer, a biocompatible bottom layer, and an anti-lifting edge reinforcement structure. The lower surface of the gradient nanocomposite conductive layer is bonded to the upper surface of the conductive gel storage layer, the lower surface of the conductive gel storage layer is bonded to the upper surface of the biocompatible bottom layer, and the lower surface of the biocompatible bottom layer is bonded to the upper surface of the anti-lifting edge reinforcement structure. An adhesive material is attached to the lower surface of the anti-lifting edge reinforcement structure, allowing it to contact the human skin. The gradient nanocomposite conductive layer uniformly distributes the high-voltage current of the defibrillator electrode pad in a gradient pattern, effectively preventing the formation of high-current-density, high-heat areas on the electrode pad. The high-voltage current, uniformly distributed in the gradient nanocomposite conductive layer, is transmitted through the conductive gel released from the conductive gel storage layer to the biocompatible bottom layer, and then through the biocompatible bottom layer and the anti-lifting edge reinforcement structure to the human heart, thereby achieving defibrillation. Furthermore, the anti-lifting edge reinforcement structure increases the adhesion between the defibrillator electrode pads and the skin, and also increases the contact area. This structure helps maintain the defibrillator electrode pads firmly attached to the skin surrounding the heart for extended periods, ensuring accurate transmission of the high-voltage current to the heart. This, in turn, improves the lifespan, conductivity stability, and safety of the defibrillator electrode pads. Attached Figure Description
[0027] To more clearly illustrate the technical solutions of the embodiments of this application, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this application and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.
[0028] Figure 1 This is a schematic diagram of the structure of the first type of defibrillation electrode pad provided in the embodiments of this application;
[0029] Figure 2 A schematic diagram of a gradient nanocomposite conductive layer provided in an embodiment of this application;
[0030] Figure 3 This is a schematic diagram of the structure of a conductive gel storage layer provided in an embodiment of this application;
[0031] Figure 4 This is a schematic diagram of an anti-warping edge reinforcement structure provided in an embodiment of this application;
[0032] Figure 5 This is a schematic diagram of the structure of the second type of defibrillation electrode pad provided in the embodiments of this application;
[0033] Figure 6 This is a schematic diagram of the structure of a conductivity self-test indicator area provided in an embodiment of this application;
[0034] Figure 7 This is a schematic diagram of the structure of a defibrillator provided in an embodiment of this application.
[0035] Figure descriptions: 10: Defibrillator electrode pad; 101: Gradient nanocomposite conductive layer; 1011: First conductive region; 1012: Second conductive region; 1013: Third conductive region; 102: Conductive gel storage layer; 1021: Pressure-responsive microcapsule structure; 103: Biocompatible bottom layer; 104: Anti-warping edge reinforcement structure; 1041: Inner layer; 1042: Outer layer; 1043: Microscopic serrated structure; 105: Upper protective film; 1051: Conductivity self-test indicator area; 511: First indicator area; 512: Second indicator area; 513: Third indicator area; 20: Defibrillator device. Detailed Implementation
[0036] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. The components of the embodiments of this application described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.
[0037] Therefore, the following detailed description of the embodiments of this application provided in the accompanying drawings is not intended to limit the scope of the claimed application, but merely to illustrate selected embodiments of the application. All other embodiments obtained by those skilled in the art based on the embodiments of this application without inventive effort are within the scope of protection of this application.
[0038] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.
[0039] In the description of this application, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of the invention is in use. They are used only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application. In addition, the terms "first," "second," and "third," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance.
[0040] In the description of this application, it should also be noted that, unless otherwise expressly specified and limited, the terms "set up," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.
[0041] Currently, defibrillation electrodes used in defibrillation devices typically employ a single metal conductive layer (such as aluminum foil or carbon film) combined with hydrogel as the conductive medium. The electrodes transmit current to the patient's heart via this medium to achieve defibrillation. However, while these electrodes can meet basic defibrillation needs for a short time, they have several drawbacks in practical applications. Firstly, the single conductive material used in these electrodes is prone to conductivity degradation under frequent defibrillation or prolonged skin contact, especially after high-voltage discharge, where the structure of the conductive medium is easily altered. This can lead to discontinuous conductivity or a continuous increase in resistance, thus affecting defibrillation effectiveness. Secondly, the homogeneous conductive layer of these electrodes cannot disperse high-voltage current, easily forming localized high-current-density areas that may burn the patient's skin. Thirdly, the conductive gel is prone to drying and hardening under poor storage conditions or prolonged exposure to air, causing it to lose its original conductivity and adhesion, affecting the normal conductivity of the electrodes and consequently impacting defibrillation effectiveness. Furthermore, during defibrillation device use, factors such as patient movement, sweating, or prolonged contact with the device can easily cause the edges of the defibrillation electrode pads to lift and detach, resulting in poor conductivity and affecting defibrillation effectiveness. In addition, existing defibrillation electrode pads lack a self-testing function for conductivity, making it impossible to determine the effectiveness of the conductive material or gel before using the defibrillator, which increases medical risk. Therefore, existing defibrillation electrode pads suffer from uneven conductivity, poor performance stability, short lifespan, and poor safety during use.
[0042] Therefore, this application provides a defibrillator electrode pad, which is composed of an upper protective film, a gradient nanocomposite conductive layer, a conductive gel storage layer, a biocompatible bottom layer, and an anti-lifting edge reinforcement structure. A conductivity self-test indicator area is deployed on the lower surface of the upper protective film, which is attached to the upper surface of the gradient nanocomposite conductive layer. The conductivity of the gradient nanocomposite conductive layer is automatically detected through the conductivity self-test indicator area. The lower surface of the gradient nanocomposite conductive layer is attached to the upper surface of the conductive gel storage layer. The gradient nanocomposite conductive layer contains multiple conductive regions. The conductive areas decrease sequentially from the inside out. The lower surface of the conductive gel storage layer adheres to the upper surface of the biocompatible substrate. The conductive gel storage layer contains multiple pressure-responsive microcapsule structures, each storing conductive gel. When a microcapsule senses pressure, it releases the conductive gel. The lower surface of the biocompatible substrate adheres to the upper surface of the anti-lifting edge reinforcement structure. The lower surface of the anti-lifting edge reinforcement structure is coated with an adhesive material. This anti-lifting edge reinforcement structure enhances the adhesion between the defibrillator and the patient's skin, ensuring stable contact between the defibrillator electrode pads and the patient's skin for an extended period, thereby guaranteeing the defibrillation effect. This approach improves the lifespan, conductivity stability, and safety of the defibrillator electrode pads.
[0043] The defibrillation electrode pads and defibrillation device provided in the embodiments of this application will be explained in detail below with reference to the accompanying drawings.
[0044] Figure 1 See the schematic diagram of a defibrillation electrode pad provided in this application. Figure 1 The defibrillator electrode 10 provided in this application embodiment includes: a gradient nanocomposite conductive layer 101, a conductive gel storage layer 102, a biocompatible bottom layer 103, and an anti-warping edge reinforcement structure 104.
[0045] Optionally, the gradient nanocomposite conductive layer 101 is a functional material layer with a gradient conductivity distribution, which is formed by combining an insulating substrate material and a conductive material through a specific process; the conductive gel storage layer 102 is a functional layer for storing conductive gel; the biocompatible bottom layer 103 is a functional layer for direct contact with human skin; and the anti-lifting edge reinforcement structure 104 is a functional structure for enhancing the adhesion between the defibrillator electrode pad 10 and human skin.
[0046] The lower surface of the gradient nanocomposite conductive layer 101 is bonded to the upper surface of the conductive gel storage layer 102.
[0047] Optionally, the lower surface of the gradient nanocomposite conductive layer 101 is attached to the upper surface of the conductive gel storage layer 102. The gradient nanocomposite conductive layer 101 is used to uniformly diffuse the high voltage current, and the conductive gel released through the conductive gel storage layer 102 transmits the high voltage current toward the human heart.
[0048] The lower surface of the conductive gel storage layer 102 is bonded to the upper surface of the biocompatible bottom layer 103.
[0049] Optionally, the lower surface of the conductive gel storage layer 102 is attached to the upper surface of the biocompatible bottom layer 103, and the conductive gel storage layer 102 transmits the high voltage current released by the gradient nanocomposite conductive layer 101 to the biocompatible bottom layer 103 through the conductive gel released internally.
[0050] The upper surface of the anti-warping edge reinforcement structure 104 is attached to the lower surface of the biocompatible bottom layer 103, and the lower surface of the anti-warping edge reinforcement structure 104 is made of a material with an adhesiveness greater than a preset value.
[0051] Optionally, the upper surface of the anti-lifting edge reinforcement structure 104 is attached to the lower surface of the biocompatible bottom layer 103. The anti-lifting edge reinforcement structure 104 can keep the defibrillator electrode pad 10 fixed on the skin near the human heart for a long time, so that the high voltage current generated by the defibrillator electrode pad 10 can be effectively transmitted to the human heart to achieve the purpose of defibrillation.
[0052] In this embodiment, a defibrillator electrode pad with a hierarchical structure consisting of a gradient nanocomposite conductive layer, a conductive gel storage layer, a biocompatible bottom layer, and an anti-lifting edge reinforcement structure is used. The lower surface of the gradient nanocomposite conductive layer is bonded to the upper surface of the conductive gel storage layer, the lower surface of the conductive gel storage layer is bonded to the upper surface of the biocompatible bottom layer, and the lower surface of the biocompatible bottom layer is bonded to the upper surface of the anti-lifting edge reinforcement structure. An adhesive material is attached to the lower surface of the anti-lifting edge reinforcement structure, allowing it to contact the human skin. The gradient nanocomposite conductive layer uniformly distributes the high-voltage current of the defibrillator electrode pad in a gradient pattern, effectively preventing the formation of high-current-density, high-heat areas on the defibrillator electrode pad. The high-voltage current, uniformly distributed in the gradient nanocomposite conductive layer, is transmitted through the conductive gel released from the conductive gel storage layer to the biocompatible bottom layer, and then through the biocompatible bottom layer and the anti-lifting edge reinforcement structure to the human heart, thereby achieving defibrillation. Furthermore, the anti-lifting edge reinforcement structure increases the adhesion between the defibrillator electrode pads and the skin, and also increases the contact area. This structure helps maintain the defibrillator electrode pads firmly attached to the skin surrounding the heart for extended periods, ensuring accurate transmission of the high-voltage current to the heart. This, in turn, improves the lifespan, conductivity stability, and safety of the defibrillator electrode pads.
[0053] In one alternative implementation, see [link to implementation details]. Figure 2The defibrillator electrode 10 provided in this application embodiment includes a gradient nanocomposite conductive layer 101 comprising a first conductive region 1011, a second conductive region 1012, and a third conductive region 1013. The first conductive region 1011 is located in the central region of the gradient nanocomposite conductive layer 101, the second conductive region 1012 is located between the first conductive region 1011 and the third conductive region 1013, both the second conductive region 1012 and the third conductive region 1013 are annular regions, and the first conductive region 1011 is a circular region.
[0054] Optionally, the gradient nanocomposite conductive layer 101 is divided into a central region, an intermediate region, and an edge region. The central region is designated as a first conductive region 1011, the intermediate region as a second conductive region 1012, and the edge region as a third conductive region 1013. The conductivity of the first conductive region 1011, the second conductive region 1012, and the third conductive region 1013 gradually decreases, so that the gradient nanocomposite conductive layer 101 forms a gradient distribution pattern in which the conductivity diffuses from the inside to the outside. This ensures that the high voltage current of the defibrillator electrode 10 can be uniformly conducted, avoiding the problem of local overheating of the defibrillator electrode 10.
[0055] The first conductive region 1011 is made of a first conductive material, the second conductive region 1012 is made of a second conductive material, and the third conductive region 1013 is made of a third conductive material, with the conductivity of the first conductive material, the second conductive material, and the third conductive material decreasing sequentially.
[0056] Optionally, the conductivity of the first conductive material, the second conductive material, and the third conductive material decreases sequentially, that is, the conductivity of the third conductive material is weaker than that of the second conductive material, and the conductivity of the second conductive material is weaker than that of the first conductive material.
[0057] In one optional embodiment, the first conductive material is a graphene composite material, the second conductive material is a composite material of graphene and conductive polymer, and the third conductive material is a flexible conductive polymer material.
[0058] Optionally, the first conductive material used in the first conductive region 1011 can be a highly conductive graphene composite material. Graphene composite material refers to a two-dimensional crystalline material composed of a single layer of carbon atoms. Graphene composite material has extremely high electrical conductivity and mechanical strength, which can ensure that the central region of the gradient nanocomposite conductive layer 101 has high conductivity.
[0059] Optionally, the second conductive material used in the second conductive region 1012 can be a composite material of graphene and conductive polymer, that is, the second conductive material used in the second conductive region 1012 is a homogeneous conductive material formed by mixing graphene and conductive polymer. Here, conductive polymer refers to an organic polymer that can conduct electricity, such as PEDOT:PSS, etc., and this application does not specifically limit its use.
[0060] Optionally, the third conductive material used in the third conductive region 1013 can be a flexible conductive polymer material, that is, the third conductive region 1013 uses a conductive organic polymer to conduct electricity.
[0061] It is worth noting that the conductive materials used in the first conductive region 1011, the second conductive region 1012, and the third conductive region 1013 are different, so that the gradient nanocomposite conductive layer 101 can form a gradient design in which the conductivity gradually decreases from the first conductive region 1011, the second conductive region 1012 to the third conductive region 1013. This can ensure that the high voltage current of the defibrillator electrode 10 diffuses evenly from the center to the edge, reducing the risk of skin burns caused by the formation of high current density areas.
[0062] In one optional embodiment, the first conductive material is a carbon nanotube composite material, the second conductive material is a composite material of carbon nanotubes and conductive polymers, and the third conductive material is a flexible conductive polymer material.
[0063] Optionally, the first conductive material used in the first conductive region 1011 can also be a high-content carbon nanotube composite material. Carbon nanotube composite material refers to hollow nanomaterials made of graphite. Carbon nanotube composite material has excellent conductivity and can also ensure that the central region of the gradient nanocomposite conductive layer 101 has a high conductivity.
[0064] For example, the carbon nanotube content in the first conductive material used in the first conductive region 1011 can be 25 wt%, and the conductivity of the first conductive region 1011 exceeds 105 S / m. This application does not make any specific limitation in this regard.
[0065] Optionally, the second conductive material used in the second conductive region 1012 can be a composite material of carbon nanotubes and conductive polymers, that is, the second conductive material used in the second conductive region 1012 is a homogeneous conductive material formed by mixing carbon nanotubes and conductive polymers. It is worth noting that the content of carbon nanotubes in the second conductive material used in the second conductive region 1012 is lower than the content of carbon nanotubes in the first conductive material used in the first conductive region 1011.
[0066] For example, the carbon nanotube content in the second conductive material used in the second conductive region 1012 can be 12wt%, and the conductivity of the second conductive region 1012 exceeds 1045 S / m. This application does not make any specific limitation in this regard.
[0067] In one alternative implementation, see [link to implementation details]. Figure 3 The conductive gel storage layer 102 in the defibrillator electrode 10 provided in this application embodiment includes a plurality of pressure-responsive microcapsule structures 1021, and each pressure-responsive microcapsule structure 1021 stores conductive gel.
[0068] Optionally, multiple pressure-responsive microcapsule structures 1021 are randomly deployed in the conductive gel storage layer 102. Each pressure-responsive microcapsule structure 1021 has a different size and is used to store conductive gel. The pressure-responsive microcapsule structure 1021 only releases the conductive gel when it senses external pressure, allowing the high-voltage current in the defibrillator electrode 10 to be conducted to the patient's heart, achieving defibrillation. It is worth noting that the pressure-responsive microcapsule structure 1021 can be implemented using microencapsulated gel particles; this application does not specifically limit its implementation.
[0069] It is worth noting that the pressure-responsive microcapsule structure 1021 is formed by encapsulating conductive gel in a micron-sized shell. The pressure-responsive microcapsule structure 1021 can delay the release of conductive gel, thereby protecting the conductive gel.
[0070] When the pressure-responsive microcapsule structure 1021 is subjected to pressure, the pressure-responsive microcapsule structure 1021 releases conductive gel.
[0071] Optionally, the average particle size of the pressure-responsive microcapsule structure 1021 is adapted to the skin texture characteristics of the human body. The average particle size of the pressure-responsive microcapsule structure 1021 can be between 50 micrometers and 100 micrometers, and this application does not make a specific limitation in this regard.
[0072] Optionally, the pressure-responsive microcapsule structure 1021 only begins to slowly release the conductive gel when subjected to external pressure, thereby ensuring good conductivity of the defibrillator electrode pad 10. Once the pressure-responsive microcapsule structure 1021 begins to slowly release the conductive gel, it can continuously maintain a low impedance between the defibrillator electrode pad 10 and the human skin, ensuring a continuously effective current pathway.
[0073] It is worth noting that when the defibrillator 20 is not in use, the pressure-responsive microcapsule structure 1021 does not sense external pressure and will not release the conductive gel, thus ensuring that the conductive gel does not dry out and cause conductivity failure.
[0074] In one optional embodiment, the biocompatible substrate 103 of the defibrillator electrode pad 10 provided in this application embodiment is made of medical-grade silicone material.
[0075] Optionally, the biocompatible underlayer 103 refers to the base material layer that directly contacts the defibrillator electrode pad 10 with human skin. The biocompatible underlayer 103 is mainly used to ensure safe interaction between the defibrillator electrode pad 10 and the human body. Specifically, the biocompatible underlayer 103 is made of medical-grade silicone material, which ensures that the contact surface between the defibrillator electrode pad 10 and human skin is soft and comfortable, will not cause allergies in patients, and ensures good contact and biocompatibility between the defibrillator device 20 and human skin.
[0076] It is worth noting that the biocompatible substrate 103 is a silicone contact surface with a certain thickness to ensure the comfort of using the defibrillator 20. The thickness of the biocompatible substrate 103 can be 0.2 mm, 0.3 mm, etc., and this application does not make a specific limitation on it.
[0077] In one alternative implementation, see [link to implementation details]. Figure 4 The anti-warping edge reinforcement structure 104 in the defibrillator electrode pad 10 provided in this application embodiment is a double-layer composite structure, which includes: an inner layer 1041, an outer layer 1042, and a micro-serrated structure 1043.
[0078] Optionally, an anti-lifting edge reinforcement structure 104 is added to the defibrillator electrode pad 10. The anti-lifting edge reinforcement structure 104 is a double-layer composite structure, which includes an inner layer 1041, an outer layer 1042, and a micro-serrated structure 1043. The inner layer 1041 is made of a high-viscosity silicone material. When the defibrillator 20 is used, the inner layer 1041 of the anti-lifting edge reinforcement structure 104 can be firmly adhered to the human body surface, which can enhance the adhesion between the defibrillator 20 and the human skin, so that the defibrillator electrode pad 10 can be stably placed in a specific position on the human skin for a long time. The outer layer 1042 can be made of a high-elasticity thermoplastic elastic material, so that the anti-lifting edge reinforcement structure 104 can be adapted to various sizes of defibrillator electrode pads 10.
[0079] The inner layer 1041 and the outer layer 1042 are connected by a micro-serrated structure 1043.
[0080] Optionally, the inner layer 1041 and the outer layer 1042 are connected via a micro-serrated structure 1043, which can increase the contact area and stability between the defibrillator electrode 10 and human skin.
[0081] Optionally, the edge thickness of the anti-lifting edge reinforcement structure 104 gradually decreases from the inside to the outside, which can achieve a bonding effect without obvious transition marks.
[0082] In addition, the anti-lifting edge reinforcement structure 104 can effectively prevent the biocompatible substrate 103 from shifting due to external stress and human skin, and can also effectively prevent the edges of the biocompatible substrate 103 from lifting during use.
[0083] In one alternative implementation, see [link to implementation details]. Figure 5 The defibrillation electrode pad 10 provided in this application embodiment also includes an upper protective film 105.
[0084] Optionally, the upper protective film 105 can be regarded as the upper shell of the defibrillator electrode pad 10. The upper protective film 105 has functions such as waterproofing, breathability, and anti-pollution. The upper protective film 105 can protect the gradient nanocomposite conductive layer 101 and the conductive gel storage layer 102 from the influence of the external environment. The upper protective film 105 can be made of polyurethane (PU) material, and this application does not specifically limit it.
[0085] The lower surface of the upper protective film 105 is attached to the upper surface of the gradient nanocomposite conductive layer 101.
[0086] Optionally, the upper protective film 105 can be considered as a hollow shell with a certain thickness, and the gradient nanocomposite conductive layer 101, the conductive gel storage layer 102, and the biocompatible bottom layer 103 are all disposed inside the upper protective film 105. Among them, the upper surface of the gradient nanocomposite conductive layer 101 is attached to the inner surface of the upper protective film 105.
[0087] It is worth noting that the thickness of the upper protective film 105 can be 0.1 mm, 0.2 mm, etc., and this application does not make a specific limitation on it.
[0088] In one alternative implementation, see [link to implementation details]. Figure 6 The upper protective film 105 of the defibrillator electrode pad 10 provided in this application embodiment has a conductivity self-test indication area 1051 on its lower surface. The conductivity self-test indication area 1051 includes a first indication area 511, a second indication area 512 and a third indication area 513.
[0089] Optionally, a conductivity self-test indicator area 1051 is deployed on the lower surface of the upper protective film 105 in the defibrillator electrode pad 10. The conductivity self-test indicator area 1051 has a conductivity self-test function. The lower surface of the upper protective film 105 is tightly bonded to the gradient nanocomposite conductive layer 101, meaning the conductivity self-test indicator area 1051 can be considered as being bonded to the gradient nanocomposite conductive layer 101. The conductivity self-test indicator area 1051 can detect the conductivity of the gradient nanocomposite conductive layer 101 in real time and display the color corresponding to the current conductivity of the gradient nanocomposite conductive layer 101. Based on the color displayed by the conductivity self-test indicator area 1051, the conductivity performance of the defibrillator electrode pad 10 can be determined, reducing medical risks.
[0090] It is worth noting that, in order to ensure the intuitiveness of the conductivity self-test results, the upper protective film 105 is mostly set as a transparent protective film, so that users can directly observe the color displayed in the conductivity self-test indicator area 1051, and thus determine the conductivity of the defibrillator 20.
[0091] The first indicator area 511 is aligned with the first conductive area 1011, the second indicator area 512 is aligned with the second conductive area 1012, and the third indicator area 513 is aligned with the third conductive area 1013.
[0092] Optionally, the first indicator area 511 is aligned and attached to the first conductive area 1011 in the vertical direction. The first indicator area 511 is used to detect the conductivity of the first conductive area 1011 and display an indicator color that matches the current conductivity of the first conductive area 1011.
[0093] Optionally, the second indicator area 512 is aligned and attached to the second conductive area 1012 in the vertical direction. The second indicator area 512 is used to detect the conductivity of the second conductive area 1012 and display an indicator color that matches the current conductivity of the second conductive area 1012.
[0094] Optionally, the third indicator area 513 is aligned and attached to the third conductive area 1013 in the vertical direction. The third indicator area 513 is used to detect the conductivity of the third conductive area 1013 and display an indicator color that matches the current conductivity of the third conductive area 1013.
[0095] The first indicator area 511, the second indicator area 512, and the third indicator area 513 are each made of a color-changing material that is sensitive to electrical conductivity.
[0096] Optionally, the first indicator area 511, the second indicator area 512, and the third indicator area 513 are all made of a color-changing material that is sensitive to conductivity. The color-changing materials used in the first indicator area 511, the second indicator area 512, and the third indicator area 513 can be the same or different, and this application does not make any specific limitation in this regard.
[0097] Optionally, when the color-changing material sensitive to conductivity used in the first indicator area 511 detects that the conductivity of the first conductive area 1011 has reached a preset value, the color of the first indicator area 511 can change from a safety color to a danger warning color, such as from green to red, to prompt the user to replace the conductive material of the first conductive area 1011. The preset value refers to the conductivity provided by the conductive material of the first conductive area 1011 when it is about to fail.
[0098] Similarly, when the color-changing material sensitive to conductivity used in the second indicator area 512 detects that the conductivity of the second conductive area 1012 reaches a preset value, the color of the second indicator area 512 can change from a safety color to a danger warning color; when the color-changing material sensitive to conductivity used in the third indicator area 513 detects that the conductivity of the third conductive area 1013 reaches a preset value, the color of the third indicator area 513 can change from a safety color to a danger warning color.
[0099] It is worth noting that the normal conductivity of the first conductive region 1011, the second conductive region 1012, and the third conductive region 1013 are all different, and the conductivity risk thresholds set for the first indicator region 511, the second indicator region 512, and the third indicator region 513 are also different. This application does not make specific limitations on this.
[0100] Optionally, the first indicator area 511, the second indicator area 512, and the third indicator area 513 can also be regarded as a whole. The conductivity self-test indicator area 1051 senses the overall resistance value of the gradient nanocomposite conductive layer 101 through the color-changing materials that are sensitive to conductivity deployed in each indicator area. When the overall resistance value of the gradient nanocomposite conductive layer 101 reaches the preset resistance threshold, the conductivity self-test indicator area 1051 changes color to indicate to the user that the conductivity of the current defibrillator electrode 10 is poor.
[0101] It is worth noting that, because the defibrillator electrode pad 10 designed in this application can efficiently store conductive gel and can self-test the conductivity of the gradient nanocomposite conductive layer 101, it facilitates timely maintenance of the defibrillator electrode pad 10. Thus, the service life of the defibrillator electrode pad provided in this application is significantly improved compared to the service life of traditional defibrillator electrode pads.
[0102] In one alternative implementation, see [link to implementation details]. Figure 7This application provides a defibrillator 20, in which the aforementioned defibrillator electrode pads 10 are deployed. The defibrillator 20 performs defibrillation via the defibrillator electrode pads 10. The structure of the defibrillator electrode pads 10 will not be described in detail here.
[0103] The above are merely specific embodiments of this application, but the scope of protection of this application is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.
[0104] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.
Claims
1. A defibrillation electrode pad, characterized in that, The defibrillation electrode pad includes: a gradient nanocomposite conductive layer, a conductive gel storage layer, a biocompatible bottom layer, and an anti-warping edge reinforcement structure; The lower surface of the gradient nanocomposite conductive layer is attached to the upper surface of the conductive gel storage layer; The lower surface of the conductive gel storage layer is attached to the upper surface of the biocompatible substrate; The upper surface of the anti-lifting edge reinforcement structure is attached to the lower surface of the biocompatible substrate, and the lower surface of the anti-lifting edge reinforcement structure is made of a material with an adhesiveness greater than a preset value.
2. The defibrillation electrode pad according to claim 1, characterized in that, The gradient nanocomposite conductive layer includes: a first conductive region, a second conductive region, and a third conductive region. The first conductive region is located in the central region of the gradient nanocomposite conductive layer, and the second conductive region is located between the first conductive region and the third conductive region. Both the second conductive region and the third conductive region are annular regions, and the first conductive region is a circular region. The first conductive region is composed of a first conductive material, the second conductive region is composed of a second conductive material, and the third conductive region is composed of a third conductive material, wherein the conductivity of the first conductive material, the second conductive material, and the third conductive material decreases sequentially.
3. The defibrillation electrode pad according to claim 2, characterized in that, The first conductive material is a graphene composite material, the second conductive material is a composite material of graphene and conductive polymer, and the third conductive material is a flexible conductive polymer material.
4. The defibrillation electrode pad according to claim 2, characterized in that, The first conductive material is a carbon nanotube composite material, the second conductive material is a composite material of carbon nanotubes and conductive polymers, and the third conductive material is a flexible conductive polymer material.
5. The defibrillation electrode pad according to claim 1, characterized in that, The conductive gel storage layer includes multiple pressure-responsive microcapsule structures, and each pressure-responsive microcapsule structure stores conductive gel. When the pressure-responsive microcapsule structure is subjected to pressure, it releases conductive gel.
6. The defibrillation electrode pad according to claim 1, characterized in that, The biocompatible substrate is made of medical-grade silicone material.
7. The defibrillation electrode pad according to claim 1, characterized in that, The anti-warping edge reinforcement structure is a double-layer composite structure, which includes an inner layer, an outer layer, and a micro-serrated structure. The inner layer and the outer layer are connected via the micro-serrated structure.
8. The defibrillation electrode pad according to claim 2, characterized in that, The defibrillation electrode pads also include: an upper protective film; The lower surface of the upper protective film is attached to the upper surface of the gradient nanocomposite conductive layer.
9. The defibrillation electrode pad according to claim 8, characterized in that, The lower surface of the upper protective film is provided with a conductivity self-test indicator area, which includes a first indicator area, a second indicator area and a third indicator area. The first indicator area is aligned with the first conductive area, the second indicator area is aligned with the second conductive area, and the third indicator area is aligned with the third conductive area; The first indicator area, the second indicator area, and the third indicator area are each made of a color-changing material that is sensitive to electrical conductivity.
10. A defibrillator, characterized in that, The defibrillation device includes defibrillation electrode pads as described in any one of claims 1-9.