Vagus nerve stimulation device

Abstract

The utility model discloses a vagus nerve stimulation device, which comprises a shell, a control mainboard and two electrodes, and is characterized in that the shell comprises an outer shell and two electrode connecting bases, and the electrode connecting bases are convexly arranged at one end of the outer shell; the two electrode connecting bases are arranged in a spaced mode, each electrode is correspondingly arranged on one electrode connecting base, and the control mainboard is arranged in the shell and electrically connected with the two electrodes.

Description

Technical Field

[0001] The utility model relates to the technical field of medical devices, and in particular to a vagus nerve stimulation device. Background Art

[0002] The vagus nerve is one of the cranial nerves, equivalent to the 10th cranial nerve. It originates in the brain and distributes to the face, chest, and abdomen. As a mixed nerve containing parasympathetic nerve fibers, it regulates the parasympathetic nerves that act on the heart, lungs, and digestive tract. It has the longest and most complex structure of the 12 cranial nerves, containing both sensory and motor fibers.

[0003] It is understood that the vagus nerve stimulation device used to treat epilepsy and depression has been approved by the US Food and Drug Administration (FDA) to stimulate the cervical branch located in the neck.

[0004] In the prior art, methods for stimulating the cervical branch include: 1. Invasive technology, which requires performing an operation to directly cut the skin and expose the cervical branch of the vagus nerve, then wrap a conductor, i.e., a coil, around the outside and install a microchip. It is not applicable to the field of self-treatment of ordinary people. 2. Non-invasive technology, such as transcutaneous electrical nerve stimulation (TENS) technology using a pulse generator. When using this technology to stimulate the vagus nerve, two electrode patches are attached to the neck position at intervals, and the pulse generator transmits low-voltage and low-amplitude electric pulses to the neck position through the two electrode patches, thereby stimulating the vagus nerve in the neck. However, if the two electrode patches are too close or too far apart, sensing problems may occur, resulting in ineffective stimulation of the vagus nerve. In addition, the pulse generator is large in size and inconvenient for users to carry. Utility Model Content

[0005] In view of the deficiencies of the existing technology, a vagus nerve stimulation device is provided.

[0006] To achieve the above-mentioned purpose, the utility model provides a shell, a control mainboard and two electrodes. The shell includes an outer shell and two electrode connection bases. The electrode connection base is protruded from one end of the outer shell; the two electrode connection bases are arranged at intervals, and each electrode is correspondingly arranged at an electrode connection base. The control mainboard is arranged in the shell, and the control mainboard is electrically connected to the two electrodes respectively.

[0007] According to one embodiment of the present invention, the distance D between the two electrodes connecting the bases ranges from 20 mm to 25 mm.

[0008] According to one embodiment of the present invention, each electrode is made of stainless steel.

[0009] According to one embodiment of the present invention, the electrode includes a contact portion and a connecting portion, the contact portion is connected to one end of the connecting portion, the other end of the connecting portion is provided on the electrode connecting base, and the connecting portion is electrically connected to the control mainboard.

[0010] According to one embodiment of the present invention, the electrode includes a contact portion and a connecting portion, the contact portion is connected to one end of the connecting portion, the other end of the connecting portion is provided on the electrode connecting base, and the connecting portion is electrically connected to the control mainboard.

[0011] According to one embodiment of the present invention, a plurality of buttons are further included. The plurality of buttons are arranged on one side of the housing, and each button is connected to the control mainboard.

[0012] According to one embodiment of the present invention, an expansion connector is further included. The expansion connector is arranged in the shell and is electrically connected to the control motherboard; a connection hole is opened on one side of the shell, and one end of the expansion connector is exposed in the connection hole.

[0013] According to one embodiment of the present invention, a cover is further included, which is disposed on the outer shell and covers the two electrode connection bases.

[0014] According to one embodiment of the present invention, a status display light is further included. The status display light is arranged on the housing and is electrically connected to the control mainboard.

[0015] According to one embodiment of the present invention, it also includes a clamping portion, which is located between the two electrode connection bases, and clamping positions are formed on opposite sides of the clamping portion; the cover body includes a main body and two clamping parts, which are arranged at intervals on the inner side of the main body, and each clamping part corresponds to a clamping position.

[0016] The beneficial effect of the present invention is that by setting the two electrodes at a fixed interval, the user does not need to manually adjust the distance between the two electrodes during use. The two electrodes maintain a correct distance to stimulate the user's vagus nerve, so that the vagus nerve stimulation achieves the best use effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0018] Figure 1 is a perspective view of a vagus nerve stimulation device in an embodiment;

[0019] Figure 2 is a top view of a vagus nerve stimulation device in an embodiment;

[0020] Figure 3 Schematic diagram of the electrodes in the embodiment;

[0021] Figure 4 is another perspective view of the vagus nerve stimulation device in the embodiment;

[0022] Figure 5 is a schematic diagram of a cover body in an embodiment;

[0023] Figure 6 This is an enlarged view of part A in the embodiment.

[0024] Description of Reference Numerals

[0025] 1-shell; 10-housing; 11-electrode connection base; 12-connection hole; 13-charging port; 131-charging terminal; 2-electrode; 21-contact portion; 211-contact surface; 22-connection portion; 3-button; 4-cover; 41-main body; 42-clamping piece; 5-status display light; 6-clamping portion; 61-clamping position. DETAILED DESCRIPTION

[0026] The following diagrams illustrate various embodiments of the present invention. For clarity, many practical details will be included in the following description. However, it should be understood that these practical details are not intended to limit the present invention. In other words, in some embodiments of the present invention, these practical details are not essential. Furthermore, to simplify the drawings, some commonly used structures and components are depicted in simplified schematic form.

[0027] In addition, in the present invention, descriptions such as "first" and "second" are only used for descriptive purposes and do not specifically refer to the order or sequence, nor are they used to limit the present invention. They are only used to distinguish components or operations described with the same technical terms, and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in this field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0028] Please refer to Figure 1 , Figure 1It is a stereoscopic diagram of a vagus nerve stimulation device. In this embodiment, a vagus nerve stimulation device is provided, which includes a shell 1, a control motherboard (not shown in the figure) and two electrodes 2. Among them, the shell 1 includes an outer shell 10 and two electrode connection bases 11, the two electrode connection bases 11 are protruding from one end of the outer shell 10, and the two electrode connection bases 11 are arranged at intervals. The electrode connection base 11 is used for the installation of the electrode 2, and each electrode 2 is correspondingly arranged on an electrode connection base 11, so that the two electrodes 2 are arranged on the electrode connection base 11 at a fixed distance. The control motherboard is arranged in the outer shell 10, and the control motherboard is electrically connected to the two electrodes 2 respectively.

[0029] During actual use, the two electrodes 2 are placed on the user's skin surface. The control board sends an electrical signal to the two electrodes 2. The electrical signal then passes through the two electrodes 2 and forms a loop with the human epidermis, causing the current to stimulate the user's skin surface. Because the spacing between the two electrodes 2 is fixed, the user does not need to manually adjust the spacing between the two electrodes 2 during use. The two electrodes 2 are kept at the correct distance for use, eliminating the uncertainty of the spacing between the two electrodes 2 and ensuring the stimulation effect of the vagus nerve stimulation device.

[0030] In addition, by integrating the electrodes 2 and the control mainboard into the housing 1, the volume is effectively reduced, making the vagus nerve stimulation device convenient for daily carrying and use.

[0031] Please refer to Figure 2 , Figure 2 This is a top view of the vagus nerve device. Furthermore, the distance D between the two electrodes 2 ranges from 20mm to 25mm. Preferably, the distance D between the two electrodes 2 is 23mm, which represents the average spacing between electrodes 2 placed on the vagus nerve pulse. When the electrodes 2 are placed vertically against the user's neck, the two electrodes 2 are positioned at a fixed distance from each other on the vagus nerve in the neck, thereby precisely stimulating the vagus nerve.

[0032] Please refer to Figure 2 and Figure 3 , Figure 3 Each electrode 2 includes a contact portion 21 and a connecting portion 22 , wherein the contact portion 21 is connected to one end of the connecting portion 22 , and the other end of the connecting portion 22 is inserted into the electrode connection base 11 , and the connecting portion 22 of the electrode 2 is electrically connected to the control motherboard.

[0033] In this embodiment, the connection portion 22 is connected to the electrode connection base 11 via a threaded structure, so that the electrode 2 is fixedly connected to the electrode connection base 11. The connection portion 22 is electrically connected to the control motherboard via a wire. During actual use, the control motherboard generates a current signal, which is transmitted through the wire to the connection portion 22, and then the connection portion 22 is transmitted to the contact portion 21. At this point, the two electrodes 2 form a circuit with the skin, thereby generating stimulation.

[0034] Furthermore, the major axis L of a certain cross-section of the contact portion 21 is in the range of 17 mm to 22 mm, the minor axis W of a certain cross-section of the contact portion 21 is in the range of 14 mm to 18 mm, and the thickness H of the contact portion 21 is in the range of 4 mm to 8 mm. Preferably, in this embodiment, the major axis L of the contact portion 21 is 19 mm, the minor axis W is 16 mm, and the thickness H of the contact portion 21 is 6 mm.

[0035] Furthermore, the cross-section of the contact portion 21 is elliptical, so that the contact portion 21 has smooth edges to avoid damaging the user's skin. In addition, the edges of the electrode 2 are all smooth curved surfaces, so that when the electrode 2 contacts the user's skin, it is not easy to damage the skin.

[0036] Contact portion 21 is formed with a flat contact surface 211. During use, contact surface 211 conforms to the surface of human skin. This flat surface improves the conformity of electrode 2 to the surface of human skin and effectively increases the contact area between electrode 2 and the surface of human skin, thereby enhancing the stimulation effect of the vagus nerve stimulation device and improving user comfort.

[0037] In addition, both electrodes 2 are made of stainless steel. Stainless steel has good electrical conductivity, is corrosion-resistant, and is easy to clean, which can effectively increase the service life of the vagus nerve stimulation device.

[0038] Please refer to Figure 1 Furthermore, the vagus nerve stimulation device includes a plurality of buttons 3, which are used to control the operating state of the vagus nerve stimulation device. The plurality of buttons 3 are protruding from one side of the housing 1 and are each connected to the control board. In this embodiment, there are five buttons 3, which are used to control the vagus nerve stimulation device on and off, increase and decrease gears, switch operating modes, and start and stop.

[0039] Please refer to Figure 4 , Figure 4 This is another perspective view of the vagus nerve stimulation device. The device also includes a status indicator light 5, which is located on one side of the housing 10 and is electrically connected to the control board. The status indicator light 5 indicates the different operating states of the vagus nerve stimulation device through different lighting states.

[0040] The vagus nerve stimulation device also includes an expansion connector (not shown) housed within housing 10 and electrically connected to the control board. A connection hole 12 is defined on one side of housing 10, with one end of the expansion connector exposed within hole 12, facilitating external connection.

[0041] The expansion connector can be used to connect to an earpiece. During use, the earpiece is plugged into the expansion connector via a data cable, connecting the earpiece to the vagus nerve stimulation device. Electrical signals can be transmitted from the vagus nerve stimulation device to the earpiece, making the vagus nerve stimulation device versatile. In this embodiment, the expansion connector is a 3.5mm female single-ended receptacle.

[0042] Furthermore, a power supply battery (not shown) is included. The power supply battery is located within the housing 10 and is electrically connected to the control board. The housing 1 has a charging port 13, which is provided with a charging terminal 131. The charging terminal 131 is electrically connected to the control board. When charging, the battery can be charged by connecting the charging terminal 131.

[0043] Preferably, in this example, the power supply battery is a 3.7V, 1200mAh lithium battery, and the charging terminal is a TAPE-C interface.

[0044] Please refer to Figure 5 , Figure 5 Schematic diagram of the cover. The vagus nerve stimulation device also includes a cover 4, which is movably connected to one end of the housing 10. When connected to the housing 10, the cover 4 covers the two electrode connection bases 11 and the electrodes 2, thereby preventing dust and other foreign matter from contaminating the electrodes 2. When not in use, the cover 4 is placed on the housing 10 to protect the electrodes 2 from contamination. When in use, the cover 4 is removed for normal operation.

[0045] Please refer to Figure 5 and Figure 6 , Figure 6 This is an enlarged view of section A. The cover 4 comprises a main body 41 and two clips 42, spaced apart on the inner side of the main body 41. A corresponding clip portion 6 is provided on the housing 1, positioned between the two electrode connection bases 11. Clips 61 are formed on opposite sides of the clip portion 6, each corresponding to a clip 42. When the cover 4 is placed on the housing 1, the clips 42 engage in the clips 61, securing the cover 4 to the housing 1.

[0046] In summary, by setting the two electrodes 2 at a fixed interval, the user does not need to manually adjust the distance between the two electrodes 2 during use. The correct distance between the two electrodes 2 is maintained to stimulate the user's vagus nerve, so that the vagus nerve stimulation achieves the best use effect.

[0047] The above description is merely an embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that various modifications and variations of the present invention are possible. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention are intended to be included within the scope of the claims of the present invention.

Claims

1. A vagus nerve stimulation device, characterized in that: include: A shell (1), a control mainboard and two electrodes (2), wherein the shell (1) comprises an outer shell (11) and two electrode connection bases (12), wherein the electrode connection base (12) is protruding from one end of the outer shell (11); the two electrode connection bases (11) are arranged at intervals, and each electrode (2) is correspondingly arranged on one electrode connection base (11); the control mainboard is arranged in the shell (1), and the control mainboard is electrically connected to the two electrodes (2) respectively.

2. The vagus nerve stimulation device according to claim 1, characterized in that The distance D between the two electrode connection bases (11) ranges from 20 mm to 25 mm.

3. The vagus nerve stimulation device according to claim 1, wherein Each electrode (2) is made of stainless steel.

4. The vagus nerve stimulation device according to claim 1, wherein The electrode (2) comprises a contact portion (21) and a connecting portion (22), wherein the contact portion (21) is connected to one end of the connecting portion (22), the other end of the connecting portion (22) is arranged on the electrode connecting base (11), and the connecting portion (22) is electrically connected to the control main board.

5. The vagus nerve stimulation device according to claim 4, characterized in that: The range of the long axis L of a certain cross section of the contact portion (21) is 17 mm to 22 mm, the range of the short axis W of a certain cross section of the contact portion (21) is 14 mm to 18 mm, and the range of the thickness H of the contact portion (21) is 4 mm to 8 mm.

6. The vagus nerve stimulation device according to claim 1, characterized in that It also includes a plurality of buttons (3), which are arranged on one side of the housing (10), and each button (3) is connected to the control mainboard.

7. The vagus nerve stimulation device according to claim 1, characterized in that The invention also includes an expansion connector, which is arranged in the housing (10) and is electrically connected to the control main board; a connection hole (12) is opened on one side of the housing (10), and one end of the expansion connector is exposed in the connection hole (12).

8. The vagus nerve stimulation device according to claim 1, wherein It also includes a cover body (4), which is arranged on the housing (10) and covers the two electrode connection bases (11).

9. The vagus nerve stimulation device according to claim 1, wherein It also includes a status display light (5), which is arranged on the housing (10) and is electrically connected to the control mainboard.

10. The vagus nerve stimulation device according to claim 1, wherein The cover (4) further comprises a clamping portion (6), the clamping portion (6) being located between the two electrode connection bases (11), and clamping positions (61) being formed on opposite sides of the clamping portion (6); the cover (4) comprises a main body (41) and two clamping members (42), the two clamping members (42) being arranged at intervals on the inner side of the main body (41), and each clamping member (42) corresponding to one of the clamping positions (61).

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