TWI722779B - Magnetic stimulation device having planar coil structure - Google Patents

Abstract

A magnetic stimulation device having planar coil structure is disclosed. It contains a power supply module, a current control module, a plurality of planar coil modules and a plurality of electrical connection modules. In the planar coil module of the present invention, the coil structure has a flat and thin design and can be modularized. Compared with the existing magnetic stimulation devices, the overall structure of the present invention is light, thin, short, convenient to carry and use, and can be installed on clothing or built in a mobile device to provide a convenient magnetic stimulation treatment.

Description

Magnetic stimulation device with planar coil structure

The present invention relates to a magnetic stimulation device, in particular to a magnetic stimulation device having a flattened planar coil structure that can be installed on clothing or built in a mobile device, and can perform magnetic stimulation on the human body to improve physical fitness.

In recent years, due to the development of electromagnetic field technology, many bio-magnetic field researches have begun to lead the trend. Bio-magnetic field research has been applied in various fields, including the promotion of plant seed growth and biological health research. Some studies have also shown that weak magnetic fields can promote cell division and growth (ME Maffei, Magnetic field effects on plant growth, development, and evolution, Frontiers in plant science. 5 (2014) 445); Changes can cause differences in metabolic rate (A. Lerchl, et al., Marked rapid alterations in nocturnal pineal serotonin metabolism in mice and rats exposed to weak intermittent magnetic fields, Biochemical and biophysical research communications. 169 (1) (1990) 102- 108); in the research of human body, it was also found that low-frequency fixed magnetic field can promote the human leukemic cell line (J. Sabo, et al., Effects of static magnetic field on human leukemic cell line HL-60, Bioelectrochemistry. 56 (1-2) ) (2002) 227-231). Therefore, the application of magnetic fields has also set off an important research direction in the scientific community: Magnetic Stimulation has gradually attracted attention.

In terms of basic medical research, magnetic stimulation has the following results: In patients with abnormal heart rate, magnetic intradermal acupuncture at Neiguan found a 74% improvement (Shang Rong et al., Magnetic intradermal acupuncture at Neiguan prevented supraventricular sex 38 cases of arrhythmia, Chinese Medicine Research 14 (4) (2001) 62-63); the use of low-pulse magnetic fields found that it can reduce depression in patients with brain trauma (L. Baker-Price, MA Persinger, Weak, but complex pulsed magnetic fields may reduce depression following traumatic brain injury, Perceptual and motor skills. 83 (2) (1996) 491-498); E. coli cells in an environment of 25 times the magnetic field of the geomagnetic field, the sensitivity of their ion channels will increase (J Dobson, et al., Preliminary evidence for weak magnetic field effects on mechanosensitive ion channel subconducting states in Escherichia coli, Electromagnetic Biology and Medicine. 21 (1) (2002) 89-95). In the research of traditional Chinese medicine, it was found that after 12 weeks of external application with magnetic traditional Chinese medicine paste, the number of immune cells can be significantly improved (Fang Feng, Shen Qian, The effect of external application of magnetic traditional Chinese medicine paste on the cellular immune function of susceptible infants, Chinese Acupuncture 17 (1 ) (1997) 15-16). In the study of acupoint magnetic field, magnets were placed on the acupoints of Neiguan, Zusanli, and Guanyuan in men, and it was found that it can increase the quantity and activity of sperm (Zhou Chuanyun, Zhang Ruixue, Preliminary Study on the Mechanism of Acupoint Magnetic Therapy, Journal of Anhui Traditional Chinese Medicine 21 (3 ) (2002) 8-10). Therefore, we can know that using a low-energy magnetic field has a good effect on physiological regulation.

As the research results of magnetic stimulation are getting more and more fruitful, many commercial technologies are also appearing in front of people, such as Taiwan Invention Patent No. I528984, Model Patent No. M562133, Invention Application No. 201922313, etc. These technologies have some common characteristics: they are bulky and expensive, making them difficult to carry and use at home or when going out. In addition, most of the existing technologies are also about Repetitive Transcranial Magnetic Stimulation (rTMS), which has poor versatility. The main reason is that the volume of the magnetic stimulation generating device cannot be reduced due to the control of the magnetic field strength. If you want to reduce the volume of the magnetic stimulation generator, you can refer to China Patent Publication No. CN105242224, a similar coil structure of a close-fitting double-layer planar radio frequency coil for composite insulator detection. However, the subject of this patent is radio frequency coils, which are high-frequency radiation and cannot be applied to low-frequency current magnetic fields; the latter is necessary for magnetic stimulation technology.

Therefore, in order to implement the results of magnetic stimulation research in life and improve people's health, it is necessary to have a miniaturized magnetic stimulation device so that people can use it without operating pressure. Preferably, the coil of the magnetic stimulation device can be planarized and modularized, and then installed on clothing or built-in in a mobile device to become a part of life.

This paragraph of text extracts and compiles certain features of the present invention. Other features will be revealed in subsequent paragraphs. Its purpose is to cover the spirit and scope of the additional patent application, various modifications and similar arrangements.

In order to meet the above requirements, the present invention discloses a magnetic stimulation device with a planar coil structure, including: a power supply module to provide power; a current control module electrically connected to the power supply module, including: a signal generator , Generating a current waveform signal; and a current switch, electrically connected to the signal generator, using the current waveform signal to adjust the waveform of the current from the power supply module as an adjusted output current; and at least one planar coil module, including : A first insulating substrate; and a planar coil formed on the first insulating substrate. Both ends of the planar coil form a loop with the current switch, and receive the adjusted output current to generate a corresponding varying intensity magnetic field. Wherein, if the number of the planar coil module is one, the planar coil is directly electrically connected to the current switch; if the number of the planar coil module is more than two, the end points of the planar coils of the two adjacent planar coil modules are connected in series Connected, the unconnected end points of the planar coils of the first and last planar coil modules are directly electrically connected to the current switch.

The present invention discloses another magnetic stimulation device with a planar coil structure, including: a power supply module, which provides power; a current control module, which is electrically connected to the power supply module, includes: a signal generator, which generates a current A waveform signal; and a current switch electrically connected to the signal generator, the current waveform signal is used to adjust the waveform of the current from the power supply module as an adjusted output current; and at least one planar coil module, including: at least one second An insulating substrate; and a plurality of planar coils are arranged parallel to each other, and two adjacent planar coils are electrically connected and formed on both sides of the same first insulating substrate. Wherein, if the number of the planar coil module is one, the end points of the two outermost planar coils are directly electrically connected to the current switch to form a loop; if the number of the planar coil module is more than two, two adjacent ones The end points of the outermost planar coil of the planar coil module are connected in series, and the unconnected end points of the outermost planar coils of the first and last planar coil modules are directly electrically connected to the current switch; the planar coil receives the adjusted output current to generate Corresponding to the varying intensity magnetic field, the current flows in the same direction of rotation among a plurality of planar coils in the same planar coil module, and the strongest magnetic field generated by each planar coil is substantially aligned with each other.

Preferably, the planar coil module may further include an iron core located where the intensity of the magnetic field generated by the planar coil module due to the current is strongest, so as to enhance the overall magnetic permeability of the planar coil module.

Preferably, the current control module may further include a current limiter electrically connected between the power supply module and the current switch to limit the current from the power supply module.

Preferably, two adjacent planar coils are electrically connected by electroplating through a through hole formed on the first insulating substrate.

Preferably, the power supply module may include at least one primary battery, at least one secondary battery, or a power supply.

Preferably, the signal generator is a waveform generator, pulse generator or clock generator.

Preferably, the waveform of the current waveform signal is a sine wave, a half sine wave, a pulse wave or a fixed waveform.

Preferably, the planar coil can be formed by metal foil etching, metal wire winding or conductive adhesive printing.

Preferably, the material of the first insulating substrate is bakelite, tissue paper, epoxy resin, glass cloth, glass fiber, phenolic resin, glass, polyimide or polyester.

The magnetic stimulation device with a planar coil structure may further include a plurality of electrical connection modules electrically connecting the planar coil module and the current switch to form a loop. Each electrical connection module includes: a second insulating substrate; at least one A wire is formed on the second insulating substrate; and a waterproof protective layer covering the at least one wire and the second insulating substrate to protect the at least one wire from external moisture.

Preferably, the material of the second insulating substrate is polyimide or polyester.

Preferably, the material of the waterproof protective layer is a polyimide film or a polyethylene terephthalate film.

According to the present invention, the planar coil is formed around a specific pattern. The planar coil module receives the adjusted output current to generate an electrical stimulation magnetic field generally between 0 and 1000 Gauss.

The coil structure of the present invention has a flat and thin plane design and can be modularized. Compared with the existing magnetic stimulation device, the overall structure of the present invention is light, thin and short, and convenient to carry and use, and can be installed on clothing or built in a mobile device to meet the above requirements.

The present invention will be described more specifically by referring to the following embodiments.

Please refer to Fig. 1, which is a system block diagram of a magnetic stimulation device with a planar coil structure according to an embodiment of the present invention. The magnetic stimulation device with a planar coil structure includes: a power supply module 100, a current control module 200, two planar coil modules 300, and three electrical connection modules 400. The following is a detailed description of the composition, function and mutual operation of each module.

The power supply module 100 is a main component for supplying power. According to the spirit of the present invention, the power provided by the power supply module 100 may be direct current or alternating current. In terms of form, the power supply module 100 can be a battery box containing at least one primary battery (such as alkaline batteries, mercury batteries) or at least one secondary battery (such as lithium batteries), and two or more batteries can be connected in parallel or in series. Way to provide electricity). The power supply module 100 may also be a power supply, which uses a transformer to convert city power into direct current, or even directly provides step-down alternating current.

The current control module 200 is electrically connected to the power supply module 100 and includes a signal generator 210, a current switch 220, and a current limiter 230. The function of the signal generator 210 is to generate a current waveform signal. The waveform of the current waveform signal can be a periodic waveform, such as a sine wave, a half sine wave, or a pulse wave. The waveform of the current waveform signal can also be a fixed waveform, and the waveform is essentially unchanged for a period of time. In some embodiments, the aforementioned basic waveform can be adjusted to change the high frequency (for example, 1 MHz) periodic wave or aperiodic wave. According to the present invention, the signal generator 210 can be a waveform generator, a pulse generator or a clock generator. In this embodiment, the current control module 200 is a waveform generator. In terms of type, the current control module 200 can be a single-chip microcomputer. According to a preset program or receiving external programmable pulse or waveform settings, the programmable waveform generator can control the current switch 220 to generate the desired current waveform.

As described above, the current switch 220 is electrically connected to the signal generator 210, and the current waveform signal is used to adjust the waveform of the current from the power supply module 100 as an adjusted output current. In other words, the adjusted output current itself has a waveform that changes with time (such as a sine wave, a half sine wave, or a pulse wave), or a current that is fixed within a period of time.

The current limiter 230 is electrically connected between the power supply module 100 and the current switch 220 to limit the current from the power supply module 100. The current limiter 230 is a protection circuit that allows a certain amount of current to enter the current control module 200, and its purpose is to protect the safety of users. However, in other embodiments, since the current amount of the power supply module 100 is small, the current limiter 230 may not be provided, and the power supply module 100 is directly connected to the current switch 220.

Please refer to FIG. 2, which is a schematic cross-sectional view of a planar coil module 300. The planar coil module 300 includes a first insulating substrate 310, a planar coil 320, and a waterproof protective layer 330 covering the planar coil 320 and part of the first insulating substrate 310. The planar coil 320 is formed on the first insulating substrate 310 and is protected by the waterproof protective layer 330 from corrosion. In accordance with the spirit of the present invention, the planar coil module 300 can be in the form of a printed circuit board (soft or hard types are available). Therefore, the planar coil 320 can be formed by metal foil etching or conductive adhesive printing. The material of the first insulating substrate can be, but is not limited to, bakelite, tissue paper, epoxy resin, glass cloth, glass fiber, phenolic resin, glass, etc. Polyimide or polyester. In addition, the planar coil module 300 may not be in the form of a printed circuit board, and the planar coil 320 is formed by winding a metal wire and fixed on the first insulating substrate 310. At this time, the material of the first insulating substrate 310 is not limited to the aforementioned items, and may include non-metallic and electrically insulating materials.

Both ends of the planar coil 320 form a loop with the current switch 220, and receive and adjust the output current to generate a corresponding varying intensity magnetic field (generate an induced magnetic field). Please refer to FIG. 3, which shows the magnetic stimulation area 360 generated inside the planar coil 320. The part of the human body that this area faces is the area that receives magnetic stimulation. Due to the different winding shapes of the coils, there is a place 350 (as shown in Figure 1) where the magnetic field strength generated by the current is the strongest in the magnetic stimulation area 360. The magnetic field strength at this place can be referred to the solenoid magnetic field formula B=µ ₀ ·N·I, Where µ ₀ is the air permeability (4π×10⁻⁷ T·m·A⁻ ¹ ), N is the number of coils, and I is the current intensity. Under the same current intensity, increasing the number of coils of the planar coil 320 can increase the magnetic field intensity. Outside of the area 350 where the intensity of the magnetic field generated by the current is the strongest, the magnetic field intensity of the area within the magnetic stimulation area 360 will be less than the value calculated by the aforementioned formula. For all positions in the magnetic stimulation area 360, the change of the magnetic field intensity in each position will be different due to the different waveforms of the adjusted output current itself. Fig. 4 shows the change of the magnetic field intensity generated by a fixed waveform current over time. In this magnetic field emission, the maximum magnetic field strength is about 100 Gauss. According to the past literature, a low-energy fixed magnetic field (0~1000 Gauss) has curative stimulating effect on living organisms. Therefore, in all embodiments of the present invention, the electrical stimulation magnetic field generated by the planar coil module by the adjusted output current is generally between 0 and 1000 Gauss. Fig. 5 shows the change of the magnetic field intensity generated by the sine wave current over time. In this magnetic field emission, the intensity of the magnetic field changes in a sine wave between +100 Gauss and -100 Gauss with time, with a fixed period of 0.01 second, and a 100Hz low frequency fixed frequency sine wave magnetic field is emitted. If the sine wave current is changed to a half sine wave current, the change mode will correspondingly change between 0 and -100 Gauss, or between 0 and +100 Gauss. Fig. 6 shows the change of the magnetic field intensity generated by the pulse wave current over time. In this magnetic field emission, the maximum magnetic field intensity is about 100 Gauss, the fixed signal period is T=0.01 seconds, and a low-frequency (100Hz) pulsed magnetic field is emitted. Among them, the effective duty cycle (duty cycle) of each transmission is 50%, and the implementation of the duty cycle can be adjusted by the signal generator 210 according to application requirements (refer to FIG. 1). Fig. 7 shows the change of the magnetic field intensity generated by the pulse wave modulated high-frequency current over time. In this magnetic field emission, with a fixed magnetic field strength of ±95 Gauss, a fixed signal period of T0.01 seconds, a low-frequency (100Hz) signal period of radio frequency magnetic field is transmitted, and the duty ratio of each emission is 50%. In this example, the RF frequency is 1MHz (modulated high-frequency wave), and the magnetic field oscillates rapidly within ±95 Gauss in accordance with the modulated waveform during each effective transmission period (shown with black stripes).

According to the present invention, the number of the planar coil module 300 may be at least one. If the number of planar coil modules 300 is one, the planar coil 320 is directly electrically connected to the current switch 220; if the number of planar coil modules is more than two (as shown in Figure 1), the planar coils of two adjacent planar coil modules 300 The end points of 320 are connected in series, and the unconnected end points of the planar coils 320 of the first and last two planar coil modules 300 are directly electrically connected to the current switch 220 to form a loop.

In addition, the planar coil module 300 may include an iron core 370 located at 350 where the intensity of the magnetic field generated by the current of the planar coil module 300 is strongest, so as to enhance the overall magnetic permeability of the planar coil module 300, thereby enhancing the magnetic field strength. The iron core 370 can be selectively installed in any planar coil module 300 according to actual needs.

According to the present invention, the number of electrical connection modules 400 is not limited, and varies with the number of planar coil modules 300. The electrical connection module 400 is electrically connected to the planar coil module 300 and the current switch 220 to form a loop. In practice, the most basic type of the electrical connection module 400 is a wire, and a better way is to adopt a method similar to a flexible printed circuit board. Therefore, please refer to FIG. 8 (the figure is a cross-sectional view of an electrical connection module). In this embodiment, each electrical connection module 400 includes a second insulating substrate 410, at least one wire 420, and a waterproof protective layer 430. . The wire 420 is formed on the second insulating substrate 410, similar to the planar coil 320, and can be formed on the second insulating substrate 410 by metal foil etching or conductive adhesive printing. The material of the second insulating substrate 410 may be, but is not limited to, polyimide or polyester. The waterproof protective layer 430 (shown by the dotted line in FIG. 1) covers the wire 420 and the second insulating substrate 410 to protect the at least one wire 420 from external moisture. The material of the waterproof protective layer 430 may be a polyimide film or a polyethylene terephthalate film. In terms of form, if all the planar coil modules 300 and the electrical connection modules 400 are made on the same second insulating substrate 410, it is feasible to form a circuit connected to each other with copper foil. At this time, the electrical connection module 400 The number can be called one. However, considering practicality, the planar coil module 300 needs to be located at some specific locations, such as acupuncture points, which can provide therapeutic effects for improving physical health. Therefore, between the planar coil module 300, between the planar coil module 300 and the current control module 200, or even It is the electrical connection between the current control module 200 and the power supply module 100, both of which are connected by the electrical connection module 400 respectively.

In the previous embodiment, the planar coil module has only one planar coil. However, in accordance with the spirit of the present invention, the planar coil module may have more than two planar coils, which are stacked in parallel with each other. The advantage of this is that in the limited area of the planar coil module, more turns of the planar coil are formed in a three-dimensional manner to strengthen the magnetic field intensity generated by the planar coil module. Please refer to Fig. 9, which is described with another embodiment of a magnetic stimulation device with a planar coil structure.

The magnetic stimulation device with a planar coil structure in FIG. 9 is similar to the structure in the previous embodiment, except that the planar coil module 300 used in this embodiment has two planar coils, and the number of planar coil modules 300 is only one. (Therefore, the number of electrical connection modules 400 becomes two). In order to simplify the description, the types and functions of the power supply module 100, the current control module 200, and the electrical connection module 400 are as described above, and will not be repeated here, but it should be emphasized that the number of the planar coil modules 300 is at least One is not limited to the one in this embodiment. Please refer to FIG. 10, which is a cross-sectional view of the planar coil module 300 of this embodiment. The planar coil module 300 includes a first insulating substrate 311, a first planar coil 321, a second planar coil 322, a first waterproof protective layer 331, and a second waterproof protective layer 332. The first planar coil 321 and the second planar coil 322 are arranged parallel to each other, and are electrically connected adjacently and formed on both sides of the first insulating substrate 311. The electrical connection is electrically connected through a through hole 3111 formed on the first insulating substrate 311 using a plating material 340 for electroplating.

In this embodiment, the number of planar coil modules is one, and the end points of the first planar coil 321 and the second planar coil 322 are directly electrically connected to the current switch 220 to form a loop. The function of the first planar coil 321 and the second planar coil 322 is to receive the adjusted output current to generate a corresponding varying intensity magnetic field. It should be noted that a technical feature of the present invention is that current flows in the same direction of rotation among a plurality of planar coils in the same planar coil module, and each planar coil is substantially aligned at the strongest magnetic field generated by the current. In order to have a better understanding of this technical feature, please refer to FIG. 11, which is a schematic diagram of the first planar coil 321 and the second planar coil 322 viewed from the direction of the arrow in FIG. 10. The current flows in from the end point in the arrow direction on the left side of the first planar coil 321 and flows out from an inner end 3211 of the first planar coil 321 in a clockwise direction. Since the inner end 3211 is electrically connected to an inner end 3221 of the second planar coil 322, the current flows into the inner end 3221 along the way, and flows out from the end of the second planar coil 322 in the direction of the arrow on the right side in a clockwise direction. Each planar coil receives the adjusted output current to generate a corresponding varying intensity magnetic field. Since the current direction between the upper and lower plane coils is the same, the magnetic field strength is the addition of the two. And because the strongest point 350 of the magnetic field generated by the current is substantially aligned (up and down direction), the lines of magnetic force will not interfere with each other and reduce the overall magnetic field strength. Preferably, an iron core can also be arranged at the strongest area 350 of the magnetic field generated by the current to enhance the overall magnetic permeability of the planar coil module 300.

In the previous embodiment, the planar coil module has one or two planar coils. But in practice, there can be more planar coils. Such an example will be illustrated by the following examples.

Please see Figure 12 and Figure 13. FIG. 12 shows the structure of different planar coil modules under the structure of the magnetic stimulation device with the planar coil structure of FIG. 1, and FIG. 13 is a cross-sectional view of the planar coil module 300 of this embodiment. The planar coil module 300 includes a first planar coil 323, a second planar coil 324, a third planar coil 325, a fourth planar coil 326, an upper first insulating substrate 312, a middle first insulating substrate 313, A lower first insulating substrate 314, a first waterproof protection layer 333, and a second waterproof protection layer 334. The plane coils are arranged parallel to each other, and two adjacent plane coils are electrically connected and formed on both sides of the same first insulating substrate. For example, the first planar coil 323 and the second planar coil 324 are electrically connected (electrically connected through a through hole 3121 formed on the upper first insulating substrate 312 using electroplating material 340 for electroplating) and are formed on both sides of the upper first insulating substrate 312 ; The second plane coil 324 and the third plane coil 325 are electrically connected (through a through hole 3131 formed on the first insulating substrate 313 in the middle layer and electrically connected using electroplating material 340) and formed on both sides of the first insulating substrate 313 in the middle layer ; The third planar coil 325 and the fourth planar coil 326 are electrically connected (through a through hole 3141 formed on the lower first insulating substrate 314 using electroplating material 340 for electroplating and electrically connected) and formed on both sides of the lower first insulating substrate 314 . As mentioned above, the technical feature of the present invention is that current flows in the same direction of rotation among a plurality of planar coils in the same planar coil module, and each planar coil is substantially aligned where the intensity of the magnetic field generated by the current is strongest. In order to have a better understanding of the technical features, please refer to Figure 13, which shows the first planar coil 323, the second planar coil 324, the third planar coil 325 and the fourth planar coil 326 from the direction of the arrow in Figure 12 Look at the past schematic. The current flows in from the end point in the arrow direction on the left of the first planar coil 323 and flows out from an inner end 3231 of the first planar coil 323 in a clockwise direction. Since the inner end 3231 is electrically connected to an inner end 3241 of the second planar coil 324, the current flows into the inner end 3241 along the way, and flows out from an outer end 3242 of the second planar coil 324 in a clockwise direction. Then, the outer terminal 3242 is electrically connected to an outer terminal 3252 of the third planar coil 325, so the current continues to flow to an inner terminal 3251 of the third planar coil 325 in a clockwise direction. Finally, since the inner end 3251 is electrically connected to an inner end 3261 of the fourth planar coil 326, the current flows into the inner end 3261 along the way, and flows out from the upper arrow end of the fourth planar coil 326 in a clockwise direction. . Each planar coil receives the adjusted output current to generate a corresponding varying intensity magnetic field, and the direction of the current between the four planar coils is the same, so that the magnetic field intensity is the addition of the four. And because the strongest point 350 of the magnetic field generated by the current is substantially aligned (up and down direction), the lines of magnetic force will not interfere with each other and reduce the overall magnetic field strength. On the whole, a three-dimensional structure is added to increase the strength of the magnetic field.

In other embodiments, if the number of planar coil modules 300 is more than two, the end points of the outermost planar coils (the first planar coil 323 and the fourth planar coil 326) of the two adjacent planar coil modules 300 are string Then, the unconnected end points of the outermost planar coils of the first and last planar coil modules 300 are directly electrically connected to the current switch 220.

According to the present invention, the shape of the planar coil is not limited to a square shape, but can be formed around a specific pattern. As shown in FIG. 14, the planar coil module 300 may include three different shapes of planar coil electrical connections. In this example, the shapes of the three planar coils are circular, star, and heart-shaped. However, it should be noted that the strongest point 350 of the magnetic field generated by the current of the planar coils should be substantially aligned.

Although the present invention uses the human body as the subject of magnetic stimulation, it can also be extended to all living organisms (animals and plants) for extensive medical and biological operation research.

Although the present invention has been disclosed in the above embodiments, it is not intended to limit the present invention. Anyone with ordinary knowledge in the technical field can make some changes and modifications without departing from the spirit and scope of the present invention. Therefore, The scope of protection of the present invention shall be subject to those defined by the attached patent scope.

100: Power supply module 200: Current control module 210: signal generator 220: Current switch 230: current limiter 300: Planar coil module 310: The first insulating substrate 311: first insulating substrate 3111: Through hole 312: Upper first insulating substrate 3121: Through hole 313: Intermediate first insulating substrate 3131: Through hole 314: Lower first insulating substrate 3141: Through hole 320: Planar coil 3221: inner endpoint 321: The first plane coil 3211: inner endpoint 322: second plane coil 3221: inner endpoint 323: The first plane coil 3231: inner endpoint 324: Second Planar Coil 3241: inner endpoint 3242: Outer endpoint 325: Third Plane Coil 3251: inner endpoint 3252: Outer endpoint 326: Fourth Planar Coil 3261: inner endpoint 330: Waterproof protective layer 331: The first waterproof protective layer 332: second waterproof protective layer 333: The first waterproof protective layer 334: second waterproof protective layer 340: Electroplating material 350: The strongest point of the magnetic field generated by the current 360: Magnetic stimulation area 370: iron core 400: Electrical connection module 410: second insulating substrate 420: Wire 430: Waterproof protective layer

Fig. 1 is a system block diagram of a magnetic stimulation device with a planar coil structure according to an embodiment of the present invention; Fig. 2 is a schematic cross-sectional view of a planar coil module; Fig. 3 shows a magnetic stimulation area generated inside a planar coil; Fig. 4 Figure 5 shows the change of the magnetic field intensity generated by a sine wave current over time; Figure 6 shows the change of the magnetic field intensity generated by a pulse wave current over time; Figure 5 shows the change of the magnetic field intensity generated by a sine wave current over time; Figure 6 shows the change over time of the magnetic field intensity generated by a pulse wave current; 7 shows the change of the magnetic field intensity generated by the pulse wave modulated high-frequency current with time; FIG. 8 is a cross-sectional view of an electrical connection module; FIG. 9 is a magnetic stimulation with a planar coil structure according to another embodiment of the present invention The system block diagram of the device; FIG. 10 is a cross-sectional view of the planar coil module of another embodiment; FIG. 11 is a schematic diagram of the first planar coil and the second planar coil viewed from the direction of the arrow in FIG. 10; FIG. 12 is in the diagram 1 is a cross-sectional view of the structure of different planar coil modules under the framework of the magnetic stimulation device with a planar coil structure; Fig. 13 is a schematic diagram of the planar coil of the embodiment in Fig. 12; and Fig. 14 shows three different shapes of planes The coil is electrically connected.

100: Power supply module

200: Current control module

210: signal generator

220: Current switch

230: current limiter

300: Planar coil module

350: The strongest point of the magnetic field generated by the current

370: iron core

400: Electrical connection module

Claims (15)

A magnetic stimulation device with a planar coil structure, including: A power supply module to provide power; A current control module, electrically connected to the power supply module, includes: A signal generator to generate a current waveform signal; and A current switch, electrically connected to the signal generator, using the current waveform signal to adjust the waveform of the current from the power supply module as an adjusted output current; and At least one planar coil module, including: A first insulating substrate; and A planar coil is formed on the first insulating substrate, both ends of the planar coil form a loop with the current switch, and receive the adjusted output current to generate a corresponding varying intensity magnetic field, Wherein, if the number of the planar coil module is one, the planar coil is directly electrically connected to the current switch; if the number of the planar coil module is more than two, the end points of the planar coils of the two adjacent planar coil modules are connected in series Connected, the unconnected end points of the planar coils of the first and last planar coil modules are directly electrically connected to the current switch. A magnetic stimulation device with a planar coil structure, including: A power supply module to provide power; A current control module, electrically connected to the power supply module, includes: A signal generator to generate a current waveform signal; and A current switch, electrically connected to the signal generator, using the current waveform signal to adjust the waveform of the current from the power supply module as an adjusted output current; and At least one planar coil module, including: At least one first insulating substrate; and A plurality of planar coils are arranged parallel to each other, and two adjacent planar coils are electrically connected and formed on both sides of the same first insulating substrate, Wherein, if the number of the planar coil module is one, the end points of the two outermost planar coils are directly electrically connected to the current switch to form a loop; if the number of the planar coil module is more than two, two adjacent ones The end points of the outermost planar coil of the planar coil module are connected in series, and the unconnected end points of the outermost planar coils of the first and last planar coil modules are directly electrically connected to the current switch; the planar coil receives the adjusted output current to generate Corresponding to the varying intensity magnetic field, the current flows in the same direction of rotation among a plurality of planar coils in the same planar coil module, and the strongest magnetic field generated by each planar coil is substantially aligned with each other. The magnetic stimulation device with a planar coil structure as described in item 1 or item 2 of the scope of patent application, wherein the planar coil module further includes an iron core located where the intensity of the magnetic field generated by the planar coil module due to the current is strongest, In order to enhance the overall magnetic permeability of the planar coil module. For the magnetic stimulation device with a planar coil structure described in item 1 or item 2 of the scope of patent application, the current control module further includes a current limiter electrically connected between the power supply module and the current switch for pairing The current from the power supply module is limited. The magnetic stimulation device with a planar coil structure as described in item 2 of the scope of patent application, wherein two adjacent planar coils are electrically connected by electroplating through a through hole formed on the first insulating substrate. The magnetic stimulation device with a planar coil structure as described in item 1 or item 2 of the scope of patent application, wherein the power supply module includes at least one primary battery, at least one secondary battery or a power supply. For the magnetic stimulation device with a planar coil structure as described in item 1 or item 2 of the scope of patent application, the signal generator is a waveform generator, a pulse generator or a clock generator. The magnetic stimulation device with a planar coil structure as described in item 1 or item 2 of the scope of patent application, wherein the waveform of the current waveform signal is a sine wave, a half sine wave, a pulse wave or a fixed waveform. The magnetic stimulation device with a planar coil structure as described in item 1 or item 2 of the scope of patent application, wherein the planar coil is formed by metal foil etching, metal wire winding or conductive adhesive printing. The magnetic stimulation device with a planar coil structure as described in item 1 or item 2 of the scope of patent application, wherein the material of the first insulating substrate is bakelite, tissue paper, epoxy resin, glass cloth, glass fiber, phenolic resin, Glass, polyimide or polyester. For example, the magnetic stimulation device with a planar coil structure described in item 1 or item 2 of the scope of the patent application further includes a plurality of electrical connection modules, which are electrically connected to the planar coil module and the current switch to form a loop. Connection module, including: A second insulating substrate; At least one wire formed on the second insulating substrate; and A waterproof protective layer covers the at least one wire and the second insulating substrate to protect the at least one wire from external moisture. The magnetic stimulation device with a planar coil structure as described in item 11 of the scope of patent application, wherein the material of the second insulating substrate is polyimide or polyester. The magnetic stimulation device with a planar coil structure as described in item 11 of the scope of patent application, wherein the material of the waterproof protective layer is a polyimide film or a polyethylene terephthalate film. The magnetic stimulation device with a planar coil structure as described in item 1 or item 2 of the scope of patent application, wherein the planar coil is formed around a specific pattern. The magnetic stimulation device with a planar coil structure as described in item 1 or item 2 of the scope of patent application, wherein the planar coil module is subjected to the adjusted output current to generate an electrical stimulation magnetic field between 0 and 1000 Gauss.

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