Mode-adjustable eye magnetic stimulator

Abstract

The utility model discloses an eye magnetic stimulator with an adjustable mode. The mode-adjustable eye magnetic stimulator comprises a wearable device, magnetic stimulation devices and a control device, the wearable device can be worn on the head of a human body, the magnetic stimulation devices are arranged on the wearable device, each magnetic stimulation device comprises x magnetic field generating devices, the x magnetic field generating devices are sequentially connected to form an annular structure, and the x magnetic field generating devices are arranged on the wearable device. The x magnetic field generating devices are independently and electrically connected with the control device, the control device is used for providing current for the magnetic field generating devices, enabling each magnetic field generating device to generate a first magnetic field, enabling the magnetic field directions of the first magnetic fields generated by every two adjacent magnetic field generating devices to be opposite, and enabling the magnetic field directions of the first magnetic fields generated by every two adjacent magnetic field generating devices to be opposite; the magnetic field direction of the second magnetic field is parallel to the circumferential direction of the annular structure, x is larger than or equal to 4, and x is an even number.

Description

Technical Field

[0001] This utility model specifically relates to an eye magnetic stimulator with adjustable modes, belonging to the field of magnetic therapy technology. Background Technology

[0002] Magnetic eye stimulation (MEPS) is a treatment method that uses magnetic fields to stimulate the eyes, aiming to improve eye health and vision. This method uses the energy of the magnetic field to promote blood circulation in the eyes and relieve eye fatigue. It also has a positive intervention effect on some eye diseases.

[0003] Most existing eye magnetic stimulators use magnets to generate the magnetic field. For example, one existing eye magnetic stimulator uses therapeutic magnetic blocks to provide the magnetic field. Because the magnetic field on the surface of the magnet is basically fixed, the magnetic field strength of the magnetic actuator is not adjustable; at most, it can only be adjusted by the distance, which is inconvenient. To adjust the magnetic field, one existing eye magnetic stimulator uses copper wire wound into a stimulation coil, with a maximum magnetic field strength of 1T. However, the control device for this strong magnet directly uses a TMS (transcranial magnetic stimulation) device, resulting in a bulky main unit and high output energy, causing severe heating of the magnetic stimulator coil. Therefore, the maximum frequency cannot exceed 200Hz. Summary of the Invention

[0004] The main objective of this invention is to provide an eye magnetic stimulator with adjustable modes, thereby overcoming the shortcomings of the prior art.

[0005] To achieve the aforementioned objectives, the technical solution adopted by this utility model includes:

[0006] The first aspect of this utility model provides a mode-adjustable eye magnetic stimulator, comprising: a wearable device, a magnetic stimulating device, and a control device. The wearable device is wearable on the human head, and the magnetic stimulating device is disposed on the wearable device. Each magnetic stimulating device includes x magnetic field generating devices, which are sequentially connected to form a ring structure. Each of the x magnetic field generating devices is independently electrically connected to the control device. The control device is used to provide current to the magnetic field generating devices and to generate a first magnetic field in each magnetic field generating device, such that the magnetic field directions of the first magnetic fields generated by two adjacent magnetic field generating devices are opposite, and to generate a second magnetic field between the ends of two adjacent magnetic field generating devices near the same end of the inner region of the ring structure, wherein the magnetic field direction of the second magnetic field is parallel to the circumference of the ring structure, x≥4, and x is an even number. The control device is also capable of adjusting the current waveform, with different current waveforms corresponding to different magnetic field modes.

[0007] When the wearable device is worn on the human head and the control device supplies current to the magnetic field generating device, x magnetic field generating devices surround the human head, some of the magnetic field generating devices are located in front of the eyes, the magnetic field direction of the first magnetic field is parallel to the central axis of the human face, the magnetic field direction of the second magnetic field is parallel to the circumference of the human head, and the magnetic field lines of the first magnetic field and the second magnetic field pass through the human eyes and brain.

[0008] Furthermore, x magnetic field generating devices are spaced apart and arranged in parallel.

[0009] Furthermore, the magnetic field generating device includes an iron core and a conductive coil wound around the outside of the iron core. The conductive coil is electrically connected to the control device. The two end faces of the iron core are located on the upper and lower sides of the eyes, respectively, along the extension direction of the central axis of the human face. The peak value of the magnetic field is located at the two end faces of the iron core. The central axis of the conductive coil is parallel to the central axis of the human face.

[0010] Furthermore, the iron core comprises a plurality of metal sheets stacked together.

[0011] Furthermore, the metal sheet includes an iron sheet or an iron alloy sheet.

[0012] Furthermore, the conductive coil comprises enameled wire with an insulating layer, and the diameter of the conductive coil is 0.05mm to 2mm.

[0013] Furthermore, the magnetic field generating device also includes a housing, which is non-magnetic. The iron core and the conductive coil are encapsulated inside the housing. The housings of x magnetic field generating devices are fixedly connected by non-magnetic connectors to form the ring structure.

[0014] Furthermore, both the encapsulation shell and the connector are plastic components.

[0015] In a more specific implementation, the mode-adjustable eye magnetic stimulator includes: a plurality of magnetic field generating devices, which are spaced apart and arranged in parallel on the wearable device, and the plurality of magnetic field generating devices are respectively arranged to form two ring structures, which are respectively arranged around the eye, and the iron cores contained in the plurality of magnetic field generating devices are all arranged in parallel.

[0016] Furthermore, the wearable device includes a wearable ring, which includes at least one adjustable elastic band. The inner diameter of the wearable ring changes with the expansion and contraction of the elastic band. The wearable ring and the elastic band are non-magnetic.

[0017] Furthermore, the control device includes a power supply, a switching circuit, a drive module, and an output selection module. The switching circuit is electrically connected to the drive module and the power supply, respectively. The drive module is also electrically connected to the output selection module. The switching circuit is electrically connected to the magnetic field generating device. The power supply is used to output direct current. The output selection module is used to output different pulse signals to change the frequency of the waveform output by the drive module. The drive module is used to output waveforms of different frequencies to the switching circuit to control the conduction time of the switching circuit, thereby changing the current waveform of the output current of the control device.

[0018] Furthermore, the power supply includes a power supply circuit, a power frequency transformer, and a rectifier bridge circuit connected in sequence, and the rectifier bridge circuit is electrically connected to the switching circuit.

[0019] Furthermore, the control device also includes a control panel, which is equipped with an output selection button, a start / stop button, and an indicator light. The output selection button is electrically connected to the output selection module, and the start / stop button and the indicator light are electrically connected to the switching circuit.

[0020] A second aspect of this utility model provides an eye care method, comprising:

[0021] The adjustable eye magnetic stimulator is worn on the head of the human body, with the magnetic field generating device surrounding the head and partially positioned in front of the eyes.

[0022] A current is applied to the magnetic field generating device by a control device, causing each of the magnetic field generating devices to generate a first magnetic field, and causing the magnetic field directions of the first magnetic fields generated by two adjacent magnetic field generating devices to be opposite, and causing a second magnetic field to be generated between the ends of two adjacent magnetic field generating devices near the same end of the inner region of the annular structure, the magnetic field directions of the first magnetic field and the second magnetic field intersect, the magnetic field direction of the first magnetic field is parallel to the central axis of the human face, the magnetic field direction of the second magnetic field is parallel to the circumference of the human head, and the magnetic field lines of the first magnetic field and the second magnetic field pass through the eyes and brain of the human body.

[0023] Furthermore, the eye care method also includes: changing the current waveform of the output current of the control device to change the magnetic field mode of the magnetic field in which the eye is located.

[0024] Furthermore, the current waveform output by the control device to the magnetic field generator is a square wave or a sine wave.

[0025] Compared with the prior art, the advantages of this utility model include:

[0026] This utility model provides an adjustable eye magnetic stimulator with a simple structure and a smaller, lighter size, making it easy to wear and use.

[0027] The adjustable eye magnetic stimulator provided in this embodiment delivers a magnetic field that passes longitudinally through the eye, providing a gentler magnetic field and thus improving the eye care effect.

[0028] This utility model provides an adjustable eye magnetic stimulator that is powered by DC power from a control device. By adjusting the mode, it generates a square wave or sine wave current. The current then passes through a conductive coil to generate a magnetic field. Different magnetic field modes generate different induced electric fields in the human eye, thereby producing a small current stimulation to the eye. Attached Figure Description

[0029] Figure 1 This is a schematic diagram of the overall structure of an adjustable eye magnetic stimulator provided in a typical embodiment of this utility model.

[0030] Figure 2 is a schematic diagram of the magnetic field generating device in an adjustable eye magnetic stimulator applying a magnetic field to the eye in a typical embodiment of this utility model.

[0031] Figure 3 This is a schematic diagram of the magnetic field generating device in a mode-adjustable eye magnetic stimulator provided in a typical embodiment of this utility model.

[0032] Figure 4 This is a schematic diagram of the packaging shell of the magnetic field generating device in a mode-adjustable eye magnetic stimulator provided in a typical embodiment of this utility model;

[0033] Figure 5 This is a schematic diagram of the control device in a mode-adjustable eye magnetic stimulator provided in a typical embodiment of this utility model.

[0034] Figure 6 This is a schematic diagram of the power supply structure in a mode-adjustable eye magnetic stimulator provided in a typical embodiment of this utility model.

[0035] Figure 7 This is a circuit diagram showing the connection between the switching circuit and the magnetic field generating device;

[0036] Figure 8 , Figure 9 These are current waveforms for square waves and sine waves, respectively. Detailed Implementation

[0037] In view of the shortcomings of the prior art, the inventor of this case, through long-term research and extensive practice, has proposed the technical solution of this utility model. The following will further explain and illustrate the technical solution, its implementation process and principle in conjunction with the accompanying drawings and specific implementation examples. Unless otherwise specified, all functional components used in the embodiments of this utility model are known to those skilled in the art and can be obtained commercially. Therefore, no specific product models are limited or described here.

[0038] Those skilled in the art should understand that in the disclosure of this utility model, the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model 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, the above terms should not be construed as a limitation of this utility model.

[0039] Example

[0040] Please see Figure 1 An adjustable eye magnetic stimulator includes a wearable device, multiple magnetic field generators 9, and a control device 12. The wearable device is worn on the human head. The multiple magnetic field generators 9 are mounted on the wearable device and are sequentially connected to form a ring structure. Each of the multiple magnetic field generators 9 is electrically connected to the control device 12. The control device 12 provides current to the multiple magnetic field generators 9 and causes them to generate a first magnetic field. The magnetic field directions of the first magnetic fields generated by two adjacent magnetic field generators 9 are opposite. A second magnetic field is generated between the ends of two adjacent magnetic field generators 9 near the same end of the ring structure. When the wearable device and the magnetic field generators 9 are worn on the human head, the multiple magnetic field generators 9 surround the human head. The magnetic field direction of the first magnetic field is parallel to the extension direction of the central axis of the human face, and the multiple second magnetic fields are parallel to the circumference of the ring structure formed by the multiple magnetic field generators 9. Figure 2a , Figure 2b As shown, an induced current is generated in the eye, and the control device 12 can also adjust the current waveform. Different current waveforms correspond to different magnetic field modes. Different magnetic field modes generate different induced electric fields in the human eye, thereby generating a small current stimulation to the eye.

[0041] In this embodiment, the wearable device includes a wearable ring 11 with at least one adjustable telescopic strap 10. It should be noted that the wearable ring 11 is rigid as a whole and is sufficient to support multiple magnetic field generating devices 9. The telescopic strap 10 can be rigid or flexible. The size of the wearable structure can be changed by adjusting the length of the telescopic strap 10 to fit different human bodies. The adjustable structure of the telescopic strap 10 is prior art. For example, the telescopic strap 10 can be an elastic band or other stretchable structure. For example, the telescopic strap 10 can be fixedly connected by a structure such as a buckle. The telescopic strap 10 and the main body of the wearable ring 11 can also be fixedly connected by a structure such as a buckle. It should be noted that the wearable ring and the telescopic strap are non-magnetic.

[0042] In this embodiment, multiple magnetic field generating devices 9 are fixedly distributed on the wearable ring 11. The multiple magnetic field generating devices 9 form a ring structure. Furthermore, the axes of the iron cores and conductive coils contained in the multiple magnetic field generating devices 9 are arranged in parallel. The multiple magnetic field generating devices 9 can work simultaneously or sequentially, thereby better generating the effect of magnetic stimulation.

[0043] In this embodiment, please refer to the following: Figure 1 , Figure 3 and Figure 4 The magnetic field generating device 9 includes an encapsulation shell 22 and an iron core 20 and a conductive coil 21 encapsulated inside the encapsulation shell 22. Multiple encapsulation shells 22 of the magnetic field generating devices 9 are fixedly connected by non-magnetic connectors to form a ring structure. Both the encapsulation shell 22 and the connectors are plastic components. The iron core 20 is formed by stacking multiple layers of sheet-like metal sheets. The conductive coil 21 is wound around the outside of the iron core 20 to form a reversible magnet. The encapsulation shell 22 is a plastic shell, the iron core 20 is made of pure iron or an iron alloy, and the conductive coil 21 is enameled wire with an insulating layer. It should be noted that the conductive coil 21 is arranged around the axis of the iron core 20. For example, the outer diameter of the conductive coil 21 is 10mm, the inner diameter is 5mm, and the height is 20mm. The magnetic field strength can also be changed by altering the size of the conductive coil 21, i.e., changing it to an outer diameter of 15mm, an inner diameter of 10mm, and a height of 20mm.

[0044] In this embodiment, please refer to Figures 5-6The control device 12 includes a control panel 1 and a power supply 13, a switching circuit 14, a drive module 15, and an output selection module 16 encapsulated inside the control panel 1. The switching circuit 14 is electrically connected to the drive module 15 and the power supply 13, respectively. The drive module 15 is also electrically connected to the output selection module 16. The switching circuit 14 is electrically connected to the magnetic field generator 9 via a cable 8. The power supply 13 is used to output DC power. The output selection module 16 is used to output different pulse signals to change the frequency of the waveform output by the drive module 15. The drive module 15 is used to output waveforms of different frequencies to the switching circuit 14 to control the conduction time of the switching circuit 14, thereby changing the current waveform of the output current of the control device. Specifically, different output waveforms can be selected through the output selection module 16, so that the drive module 15 can control the on and off time of the switching circuit by outputting waveforms of different frequencies, thereby flexibly adjusting the method and intensity of magnetic stimulation.

[0045] In this embodiment, the power supply 13 includes a power supply circuit 17, a power frequency transformer 18, and a rectifier bridge circuit 19 connected in sequence. The power supply circuit 17 converts the AC power into the DC power required by the power supply 13. The power frequency transformer 18 transforms the input AC mains voltage to a voltage lower than the AC mains voltage by using different turns ratios on the primary and secondary sides. Specifically, the power supply circuit 17 is connected to the AC mains, the rectifier bridge circuit 19 is connected to the switch circuit 17, and the switch circuit 17 is connected to the conductive coil of the magnetic field generating device 9. With this structure, the AC mains power supplies the power frequency transformer 18, which transforms the AC mains voltage to a voltage lower than the AC mains voltage. The rectifier bridge circuit 19 then converts the AC mains voltage into DC power. Finally, the switch circuit 14 discharges the magnetic field generating device 9. After the conductive coil is energized, a magnetic field is generated, with the peak value of the magnetic field at the end face of the iron core. In this embodiment, the rectifier bridge circuit 19 includes a rectifier bridge and related circuits with capacitors as the main components or composed of capacitors and inductors, and the switching circuit 14 includes switching devices such as MOSFETs or IGBTs that have high-frequency switching functions.

[0046] In this embodiment, the main functional element of the driving module 15 is a transistor. The driving module 15 may include a single transistor or a push-pull circuit composed of multiple transistors. The transistor is turned on by a pulse signal, thereby controlling the operation of the switching circuit 14. Furthermore, the driving module 15 controls the conduction time of the switching circuit 14 by outputting waveforms of different frequencies, thereby achieving different therapeutic effects.

[0047] In this embodiment, please refer to the following: Figure 7The drive module 11 outputs a PWM, maintaining a constant period for each PWM. Initially, the duty cycle is 0%. As time progresses, the duty cycle gradually increases, eventually reaching 50%. Then, as time progresses again, the duty cycle gradually decreases, eventually returning to 0%, thus achieving a set of sinusoidal wave outputs. After this control, the waveform acting on the load (magnetic stimulation actuator 5) becomes: the initial waveform amplitude is 0, the amplitude gradually increases until it reaches its maximum, and then gradually decreases until it returns to 0. An inductor L is added, with a suitable inductance value selected, to achieve voltage boosting, thereby increasing the magnetic field strength.

[0048] In this embodiment, the switching circuit of this invention includes a MOSFET or IGBT, a device capable of high-frequency turn-on and turn-off. The magnetic stimulation actuator acts as a load, with one end connected to the power supply and the other end connected to the drain (D) of the MOSFET or the collector (C) of the IGBT. When the MOSFET or IGBT is turned on, the voltage applied to the magnetic stimulation actuator is the power supply voltage. To increase the voltage on the magnetic stimulation actuator, thereby increasing the magnetic field strength without changing the power supply voltage, an inductor is added to the load. One end of this inductor is connected to the power supply, and the other end is connected to the magnetic stimulation actuator, i.e., the inductor and the magnetic stimulation actuator are connected in series. As is well known, an inductor, as an energy storage element, has a voltage boosting function, meaning that when the MOSFET or IGBT is turned on, the voltage applied to the magnetic stimulation actuator can be twice the power supply voltage, generating a stronger magnetic field to enhance the magnetic stimulation effect on the eye.

[0049] In this embodiment, the rectifier bridge circuit 19 is electrically connected to the switch circuit 14. The output selection module 16 provides a selection signal through external output selection buttons 5 and 6, thereby outputting a corresponding pulse signal to the drive module 15, thus changing the output waveform of the control device 12, such as a square wave (e.g., ...). Figure 8 As shown), sine wave (such as) Figure 9 (as shown in the image) etc.

[0050] In this embodiment, the control panel is equipped with output selection buttons 5 and 6, a start / stop button 7, and indicator lights 2, 3, and 4. Output selection buttons 5 and 6 are electrically connected to the output selection module 16, and the start / stop button 7 and indicator lights 2, 3, and 4 are electrically connected to the switching circuit 14. After the power is turned on, press the output selection buttons 5 and 6 to select the desired output mode, such as square wave or sine wave, and then press the start / stop button 7 to perform eye care. Pressing the start / stop button 7 will stop the eye magnetic stimulator from working.

[0051] In this embodiment, when performing eye care using the adjustable eye magnetic stimulator, the adjustable eye magnetic stimulator is worn on the head. Multiple magnetic field generating devices 9 surround the head, with some devices located in front of the eyes. The central axes of the conductive coils of all magnetic field generating devices 9 are parallel and parallel to the face. A current is applied to the magnetic field generating devices by a control device. The external magnetic field directions of the first magnetic field generated by two adjacent magnetic field generating devices 9 are opposite and parallel to the eyes / face. A second magnetic field is also generated between the ends of two adjacent magnetic field generating devices 9 at the same end. The magnetic field direction of the second magnetic field extends circumferentially along the head. The magnetic field lines of the first and second magnetic fields pass through the eyes, inducing a current in the eyes. The current waveform of the output current of the control device is changed to change the magnetic field mode of the magnetic field around the eyes. Through the magnetic field provided by the adjustable eye magnetic stimulator of this invention, the magnetic field lines pass through the eyes approximately perpendicularly (e.g., Figure 2b As shown in the image, this magnetic induction curve passes through the eye more smoothly, which helps with daily eye care.

[0052] This utility model provides an adjustable eye magnetic stimulator that is powered by DC power from a control device. By adjusting the mode, it generates a square wave or sine wave current. The current then passes through a conductive coil to generate a magnetic field. Different magnetic field modes generate different induced electric fields in the human eye, thereby producing a small current stimulation to the eye.

[0053] It should be understood that the above embodiments are merely illustrative of the technical concept and features of this utility model, and are intended to enable those skilled in the art to understand the content of this utility model and implement it accordingly. They should not be construed as limiting the scope of protection of this utility model. All equivalent changes or modifications made in accordance with the spirit and essence of this utility model should be included within the scope of protection of this utility model.

Claims

1. A modally adjustable ocular magnetic stimulator, characterized in that, include: The device comprises a wearable device, a magnetic stimulation device, and a control device. The wearable device is worn on the human head. The magnetic stimulation device is mounted on the wearable device. Each magnetic stimulation device includes x magnetic field generating devices, which are connected sequentially to form a ring structure. Each of the x magnetic field generating devices is independently electrically connected to the control device. The control device is used to provide current to the magnetic field generating devices and to generate a first magnetic field in each magnetic field generating device. The magnetic field directions of the first magnetic fields generated by two adjacent magnetic field generating devices are opposite. The control device also generates a second magnetic field between the ends of two adjacent magnetic field generating devices near the same end of the inner region of the ring structure. The magnetic field direction of the second magnetic field is parallel to the circumference of the ring structure. x ≥ 4, and x is an even number. The control device can also adjust the current waveform, with different current waveforms corresponding to different magnetic field modes. When the wearable device is worn on the human head and the control device supplies current to the magnetic field generating device, x magnetic field generating devices surround the human head, some of the magnetic field generating devices are located in front of the eyes, the magnetic field direction of the first magnetic field is parallel to the central axis of the human face, the magnetic field direction of the second magnetic field is parallel to the circumference of the human head, and the magnetic field lines of the first magnetic field and the second magnetic field pass through the human eyes and brain.

2. The adjustable ocular magnetic stimulator according to claim 1, characterized in that: x magnetic field generating devices are spaced apart and arranged in parallel.

3. The adjustable ocular magnetic stimulator according to claim 1, characterized in that: The magnetic field generating device includes an iron core and a conductive coil wound around the outside of the iron core. The conductive coil is electrically connected to the control device. The two end faces of the iron core are located on the upper and lower sides of the eyes, respectively, along the extension direction of the central axis of the human face. The peak value of the magnetic field is located at the two end faces of the iron core. The central axis of the conductive coil is parallel to the central axis of the human face.

4. The adjustable ocular magnetic stimulator according to claim 3, characterized in that: The iron core comprises multiple metal sheets stacked together.

5. The mode-adjustable ocular magnetic stimulator according to claim 4, characterized in that: The metal sheet includes an iron sheet or an iron alloy sheet.

6. The modally adjustable ocular magnetic stimulator according to claim 3, characterized in that: The conductive coil comprises enameled wire with an insulating layer, and the diameter of the conductive coil is 0.05mm to 2mm.

7. The mode-adjustable ocular magnetic stimulator according to claim 4, characterized in that: The magnetic field generating device also includes a housing, which is non-magnetic. The iron core and the conductive coil are encapsulated inside the housing. The housings of x magnetic field generating devices are fixedly connected by non-magnetic connectors to form the ring structure.

8. The modally adjustable ocular magnetic stimulator according to claim 7, characterized in that: Both the outer casing and the connector are plastic components.

9. The modally adjustable ocular magnetic stimulator according to claim 1, characterized in that: The wearable device includes a wearable ring, which includes at least one adjustable telescopic band. The inner diameter of the wearable ring changes as the telescopic band expands and contracts. The wearable ring and the telescopic band are non-magnetic.

10. The modally adjustable ocular magnetic stimulator according to claim 1, characterized in that: The control device includes a power supply, a switching circuit, a drive module, and an output selection module. The switching circuit is electrically connected to the drive module and the power supply, respectively. The drive module is also electrically connected to the output selection module. The switching circuit is electrically connected to the magnetic field generator. The power supply is used to output direct current. The output selection module is used to output different pulse signals to change the frequency of the waveform output by the drive module. The drive module is used to output waveforms of different frequencies to the switching circuit to control the conduction time of the switching circuit, thereby changing the current waveform of the output current of the control device.

11. The modally adjustable ocular magnetic stimulator according to claim 10, characterized in that: The power supply includes a power supply circuit, a power frequency transformer, and a rectifier bridge circuit that are connected in sequence. The rectifier bridge circuit is electrically connected to the switching circuit.

12. The modally adjustable ocular magnetic stimulator according to claim 10, characterized in that: The control device also includes a control panel, which is equipped with an output selection button, a start / stop button, and an indicator light. The output selection button is electrically connected to the output selection module, and the start / stop button and the indicator light are electrically connected to the switching circuit.

Images