Pad-type magnetic stimulation device

Abstract

The present invention relates to a pad-type magnetic stimulation device for providing non-invasive treatment by applying a magnetic field to nerve cells or muscle cells of the body. The pad-type magnetic stimulation device of the present invention comprises: a pad-type case unit which includes an upper case unit including a body contact surface and a lower case unit coupled to the lower portion of the upper case unit to form an inner space; a magnetic field generating coil included in the inner space to generate a magnetic field; a cooling unit which cools the magnetic field generating coil by generating an air flow in the inner space; and a guide unit which provides a space in which the magnetic field generating coil is seated, and guides the air flow in the vicinity of the magnetic field generating coil.

Description

Pad-type magnetic stimulation device

[0001] The present invention relates to a pad-type magnetic stimulation device, and more particularly, to a magnetic stimulation device that provides non-invasive treatment by applying a magnetic field to nerve cells or muscle cells of the body.

[0002] Neuromagnetic stimulation (NMS) or pulsed electro-magnetic field (PEMF) therapy is a treatment method used to treat inflammation, swelling, and pain caused by damage to soft tissues such as skin, muscles, tendons, and ligaments due to musculoskeletal disorders. It directly delivers electromagnetic fields to the damaged tissue, inducing microcurrents to promote the recovery of damaged cells. Core-muscle strength magnetic stimulation (CSMS) also strengthens core muscles by applying high-frequency magnetic stimulation to repeatedly contract and relax muscles more than 40 times per second.

[0003] To administer these various types of magnetic stimulation, a stimulator containing a coil of a certain diameter is gradually moved to find the point that produces the greatest stimulation. The stimulation intensity is then determined based on a threshold value, and the area is repeatedly stimulated.

[0004] Traditionally, efforts have been made to develop structures that enhance the strength of the magnetic field while simultaneously focusing it effectively on the desired target area through the structural design of various magnetic generating coils. Because the electrical activity induced by the coil is highly focused and decays rapidly with distance from the coil center, coil design technology and the development of coil structures that ensure proper contact with the target area are crucial for optimal stimulation.

[0005] Furthermore, the recommended treatment time for pulsed electromagnetic field (PEMF) is approximately 20 minutes per day, five days a week, requiring frequent treatments. For example, repeated magnetic stimulation therapy of approximately 20 to 50 minutes per day over several days has been reported to promote nerve regeneration and functional pain relief in chronic pain patients. Several experimental studies have demonstrated that PEMF significantly influences physiological processes, specifically enhancing the metabolism of fibroblasts, chondrocytes, and osteoblasts and modulating the effects of hormones and neurotransmitters on receptors in various cells.

[0006] However, existing PEMF magnetic stimulation devices are not portable, making it difficult to accommodate these treatment cycles within the domestic medical market. Therefore, there is a pressing need for a compact PEMF therapy device that can be easily used at home.

[0007] The present invention has been devised to solve the above-mentioned conventional problems, and proposes a magnetic stimulation device having a movable pad-shaped applicator.

[0008] In addition, the present invention proposes a pad-type magnetic stimulation device having a magnetic field generating unit that generates a magnetic field to apply a magnetic field to a body part and a cooling unit that cools heat generated from the magnetic field generating unit.

[0009] In addition, the present invention proposes a pad-type magnetic stimulation device that can optimize cooling performance by forming a flow path as a cooling section to facilitate air circulation and efficiently control heat generation from a magnetic field generating section.

[0010] In order to achieve the above object, the pad-type magnetic stimulation device of the present invention is a pad-type magnetic stimulation device that provides non-invasive stimulation by applying a magnetic field to nerve cells or muscle cells of the body, and includes a pad-shaped case part, an upper case part including a body contact surface, and a lower case part coupled to a lower portion of the upper case part to form an internal space, and a magnetic generating coil included in the internal space that generates a magnetic field; a cooling part that generates an air flow in the internal space to cool the magnetic generating coil; and a guide part that provides a space in which the magnetic generating coil is seated and guides an air flow around the magnetic generating coil.

[0011] In addition, the pad-type magnetic stimulation device of the present invention can guide the air introduced from the first side of the lower case part so that it sequentially flows through the upper surface of the magnetic generating coil and the lower surface of the magnetic generating coil and flows out through the second side of the lower case part.

[0012] In addition, the pad-type magnetic stimulation device of the present invention may include a guide portion, a bottom surface on which the magnetic generating coil is mounted, a first vertical portion formed to have a predetermined height along the outer circumference of the bottom surface and surrounding the outer circumference of the magnetic generating coil, and a second vertical portion formed to have a predetermined height in a central region of the bottom surface and supporting the inner circumference of the magnetic generating coil.

[0013] In addition, the pad-type magnetic stimulation device of the present invention may include a protruding rib that protrudes from the bottom surface and supports the lower surface of the magnetic generating coil so that the magnetic generating coil is spaced apart from the bottom surface.

[0014] In addition, the pad-type magnetic stimulation device of the present invention may include a through hole formed so as to penetrate the bottom surface in at least a portion of the bottom surface, in the guide portion.

[0015] In addition, the pad-type magnetic stimulation device of the present invention includes a cooling unit, a first ventilation hole formed on one side of the lower case part and allowing external air to flow into the internal space, a second ventilation hole formed on the other side of the lower case part and allowing air in the internal space to flow out, and a blower arranged on the side of the second ventilation hole and allowing air in the internal space to flow out, and the blower may be arranged on the lower side of the through hole.

[0016] In addition, in the pad-type magnetic stimulation device of the present invention, when the upper case part and the lower case part are combined, the second vertical part can come into contact with the back surface of the upper case part.

[0017] As described above, the pad-type magnetic stimulation device of the present invention has a magnetic field generating unit that generates a magnetic field and a cooling unit that cools the heat generated from the magnetic field generating unit, thereby enabling a user to perform PEMF stimulation for pain relief or muscle strengthening without time and space constraints.

[0018] In addition, according to the pad-type magnetic stimulation device of the present invention, a device can be provided that can optimize cooling performance by forming a flow path as a cooling section to facilitate circulation of external air and efficiently control heat generation of a magnetic field generating section, thereby cooling the heat generation of the magnetic field.

[0019] In addition, the present invention can significantly improve the heat control performance of a magnetic stimulation device in a part adjacent to the human body by improving the cooling efficiency of the area between the magnetic field generating unit and the user's body part.

[0020] In addition, the magnetic generating coil included in the pad-type magnetic stimulation device of the present invention uses an OFC (oxygen-free copper) coil that minimizes elements that interfere with the flow of current, thereby lowering the impedance of the coil, thereby reducing heat generated from the coil and maximizing the magnetic generating efficiency.

[0021] FIG. 1 is a perspective view illustrating a pad-type magnetic stimulation device according to one embodiment of the present invention as viewed from above.

[0022] FIG. 2 is a perspective view illustrating a pad-type magnetic stimulation device according to one embodiment of the present invention as viewed from below.

[0023] Figure 3 is an exploded perspective view of a pad-type magnetic stimulation device according to one embodiment of the present invention.

[0024] Figure 4 is a perspective view showing a guide part included in the pad-type magnetic stimulation device of the present invention.

[0025] Figure 5 is a cross-sectional view schematically illustrating the flow of air flowing into and out of the pad-type magnetic stimulation device of the present invention.

[0026] Figure 6 is a perspective view schematically illustrating the flow of air flowing into and out of the pad-type magnetic stimulation device of the present invention.

[0027] Fig. 7 is a perspective view illustrating a magnetic generating coil included in the pad-type magnetic stimulation device of the present invention.

[0028] Figure 8 shows a cross-sectional view of the magnetizing coil of Figure 7 taken along line AA'.

[0029] Fig. 9 shows a cross-sectional view of the magnetizing coil of Fig. 7 taken along line BB'.

[0030] Fig. 10 shows a CC' cross-sectional view of the magnetizing coil of Fig. 7.

[0031] Figure 11 is a drawing schematically illustrating the structure of a magnetic generating coil.

[0032] Figure 12 is a graph comparing the results of a heating temperature experiment of a magnetic generating coil included in the present invention and another type of magnetic generating coil.

[0033] The advantages and features of the present invention, and the methods for achieving them, will become clearer with reference to the embodiments described in detail below together with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but may be implemented in various different forms. These embodiments are provided solely to ensure that the disclosure of the present invention is complete and to fully inform those skilled in the art of the scope of the invention, and the present invention is defined solely by the scope of the claims.

[0034] Although terms like "first" and "second" are used to describe various components, these components are not limited by these terms. These terms are used merely to distinguish one component from another. Therefore, it should be understood that a "first" component referred to below may also be a "second" component within the technical scope of the present invention.

[0035] In the examples below, terms such as “include” or “have” mean that a feature or component described in the specification is present, and do not preclude the possibility that one or more other features or components may be added.

[0036] For convenience of explanation, the sizes of components in the drawings may be exaggerated or reduced. For example, the sizes and shapes of each component shown in the drawings are arbitrarily shown for convenience of explanation, and thus the present invention is not necessarily limited to what is shown.

[0037] Identical reference numerals throughout the specification refer to identical components.

[0038] The individual features of the various embodiments of the present invention can be partially or wholly combined or combined with each other, and as can be fully understood by those skilled in the art, various technical connections and operations are possible, and each embodiment can be implemented independently of each other or can be implemented together in a related relationship.

[0039] Hereinafter, the pad-type magnetic stimulation device (1000) of the present invention will be described in detail with reference to the attached drawings.

[0040] FIG. 1 is a perspective view showing a pad-type magnetic stimulation device (1000) according to one embodiment of the present invention as viewed from above, FIG. 2 is a perspective view showing a pad-type magnetic stimulation device (1000) according to one embodiment of the present invention as viewed from below, FIG. 3 is an exploded perspective view of a pad-type magnetic stimulation device (1000) according to one embodiment of the present invention, and FIG. 4 is a perspective view showing a guide part (300) included in the pad-type magnetic stimulation device (1000) of the present invention.

[0041] The pad-type magnetic stimulation device (1000) of the present invention is a device that provides non-invasive stimulation by applying a magnetic field to nerve cells or muscle cells of the body. The pad-type magnetic stimulation device (1000) of the present invention may be a PEMF (pulsed electromagnetic field) device, a neuromagnetic stimulation (NMS) device, or a core-muscle strength magnetic stimulation (CSMS) device.

[0042] The pad-type magnetic stimulation device (1000) of the present invention includes a magnetic generating coil (100), a case part (200), a guide part (300), and a cooling part (400).

[0043] The magnetic generating coil (100) is a coil wound to a predetermined diameter, which generates a magnetic field. The magnetic generating coil (100) generates a magnetic field and applies the field to nerve or muscle cells in the body. The specific structure and materials of the magnetic generating coil (100) will be described later with reference to FIGS. 7 to 12.

[0044] The case part (200) is a configuration that forms the outer shape of the applicator of the magnetic stimulation device (1000) of the present invention, and has a pad shape as illustrated in FIGS. 1 and 2. The case part (200) includes an upper case part (210) and a lower case part (220). The case part (200) includes an upper case part (210) that includes a body contact surface (211) and a lower case part (220) that is coupled to the lower portion of the upper case part (210) to form an internal space. The magnetic generating coil (100) described above is included in the internal space formed by the case part (200).

[0045] The case portion (200) is exemplified as having an overall hexagonal shape, but the scope of the present invention is not limited to this shape, and various pad shapes such as circular and polygonal shapes can be applied, of course. The case portion (200) has an overall flat and wide shape, and the upper case portion (210) is formed flat to provide a space where a part of the user's body can be placed.

[0046] The body contact surface (211) included in the upper case (210) is a surface for placing the user's body part where pain treatment, etc. is to be performed. The body contact surface (211) may correspond to an area where the magnetic field generated from the generating coil (100) is focused.

[0047] In a magnetic stimulation device (1000), cooling of the area between the magnetic generating coil (100) that generates a magnetic field and the user's body contact area is important. In other words, a technique for effectively cooling the area between the magnetic generating coil (100) and the body contact surface (211) is important. The body contact surface (211) should preferably be controlled to a temperature of 40 degrees or lower even if the temperature of the magnetic generating coil (100) rises. The present invention enables efficient cooling of the body contact surface (211) side through the structure and arrangement of the guide portion (300) and the cooling portion (400).

[0048] The guide part (300) provides a space in which the magnetic generating coil (100) is installed and guides the air flow around the magnetic generating coil (100).

[0049] The guide part (300) guides the air introduced from the first side of the lower case part (220) to sequentially flow over the upper surface of the magnetic generating coil (100) and the lower surface of the magnetic generating coil (100) and then flow out to the second side of the lower case part (220). A specific air circulation path will be described later with reference to FIGS. 5 and 6 below.

[0050] The guide portion (300) includes a bottom surface (310), a first vertical portion (320), and a second vertical portion (330). As illustrated in Fig. 4, the guide portion (300) may have a shape roughly like a plate.

[0051] The bottom surface (310) of the guide portion (300) is the surface on which the magnetic generating coil (100) is mounted, and is preferably formed to correspond to the shape and size of the magnetic generating coil (100). For example, the bottom surface (310) may be formed in a circular shape.

[0052] The first vertical portion (320) of the guide portion (300) is formed to have a predetermined height along the outer circumference of the bottom surface (310). The first vertical portion (320) is formed to surround the outer circumference of the magnetic generating coil (100) when the magnetic generating coil (100) is mounted on the bottom surface (310).

[0053] The first vertical portion (320) is a portion that guides air so that air introduced from the lower case portion (220) can be introduced toward the upper surface of the magnetic generating coil (100). The first vertical portion (320) is formed higher than the bottom surface (310), and is preferably formed to have a height corresponding to the upper surface of the magnetic generating coil (100) when the magnetic generating coil (100) is installed.

[0054] The second vertical portion (330) of the guide portion (300) is formed to have a predetermined height in the central region of the bottom surface (310). The second vertical portion (330) is formed to support the inner circumference of the magnetic generating coil (100) when the magnetic generating coil (100) is mounted on the bottom surface (310).

[0055] The second vertical portion (330) is a portion that guides air so that air introduced toward the upper surface of the magnetic generating coil (100) can move toward the lower surface of the magnetic generating coil (100) through the central region of the magnetic generating coil (100). The second vertical portion (330) is formed higher than the bottom surface (310), and when the magnetic generating coil (100) is installed, it is preferable that it is formed higher than the upper surface of the magnetic generating coil (100). The second vertical portion (330) can come into contact with the back surface of the upper case portion (210) when the upper case portion (210) and the lower case portion (220) are combined.

[0056] The guide portion (300) includes a plurality of protruding ribs (311) formed on the bottom surface (310). The protruding ribs (311) protrude from the bottom surface (310) and support the lower surface of the magnetic generating coil (100) so that the magnetic generating coil (100) is spaced apart from the bottom surface (310).

[0057] Furthermore, the protruding ribs (311) form a path for air flowing into the lower surface of the magnetic generating coil (100). The air flowing into the lower surface of the magnetic generating coil (100) through the plurality of protruding ribs (311) can pass through the lower surface. By including the plurality of protruding ribs (311), the time that the air for cooling stays in the vicinity of the magnetic generating coil (100) can be increased, thereby increasing the heat exchange time for cooling.

[0058] Additionally, the guide portion (300) includes a through hole (312) formed to penetrate the bottom surface (310) in at least a portion of the bottom surface (310).

[0059] The through hole (312) is configured to discharge heated air that has undergone heat exchange on the lower surface of the magnetic generating coil (100) to the outside. Referring to Fig. 3, a blower (420) such as a fan is placed on the lower side of the through hole (312).

[0060] The cooling unit (400) cools the heat generated from the magnetic generating coil (100) by generating an air flow in the internal space formed by the case unit (200). The cooling unit (400) includes a ventilation hole (410) through which air flows in and out between the external and internal space of the device, and a blower (420) that generates an air flow.

[0061] The ventilation hole (410) may specifically include a first ventilation hole (411) that allows external air to enter the internal space and a second ventilation hole (412) that allows internal air to exit the internal space. The first ventilation hole (411) and the second ventilation hole (412) are functionally distinct and may have the same shape. In addition, the first ventilation hole (411) and the second ventilation hole (412) may vary depending on the arrangement of the blower (420) and are not limited to the positions illustrated in FIGS. 2 and 3 .

[0062] The first ventilation hole (411) is formed on one side of the lower case part (220) and allows external air to enter the internal space of the case part (200). The first ventilation hole (411) includes a plurality of holes penetrating the lower case part (220). The second ventilation hole (412) is formed on the other side of the lower case part (220) and allows air in the internal space to flow out to the outside of the device. The second ventilation hole (412) includes a plurality of holes penetrating the lower case part (220).

[0063] Here, one side and the other side of the lower case portion (220) mean different positions, and are not limited to positions that are opposite or facing each other. The first ventilation hole (411) and the second ventilation hole (412) are illustrated as forming an angle of approximately 45 degrees, but this is an exemplary position. This means that the first ventilation hole (411) and the second ventilation hole (412) are formed at positions that are spaced apart from each other.

[0064] A blower (420) is positioned on the side of the second ventilation hole (412). The blower (420) may be a fan that induces air circulation, or a configuration such as a blower may also be applied. The blower (420) is positioned on the side of the second ventilation hole (412) to discharge heated air from the internal space to the outside.

[0065] Hereinafter, the circulation path of cooling air through the guide unit (300) and cooling unit (400) will be described in more detail with reference to FIGS. 5 and 6.

[0066] Fig. 5 is a cross-sectional view schematically illustrating the flow of air flowing into and out of a pad-type magnetic stimulation device (1000) of the present invention. Fig. 5 illustrates a lateral cross-section in a state where a magnetic generating coil (100) is mounted on a guide portion (300) and a case portion (200) is coupled.

[0067] As described above, a blower (420) may be placed on the lower side of the through hole (312) of the case portion (300). The blower (420) generates a flow of air in the internal space, and this flow of air is illustrated by a solid arrow. According to the illustrated path, air flows in from the lower side of the magnetic generating coil (100), sequentially flows over the upper surface of the magnetic generating coil (100) and the lower surface of the magnetic generating coil (100), and flows out through the lower side of the magnetic generating coil (100).

[0068] External air is introduced into one side of the lower case part (220) through the first ventilation hole (411) described above. The first vertical part (320) of the guide part (300) guides the air so that the air introduced from the lower case part (220) can be introduced toward the upper surface of the magnetic generating coil (100). In other words, the first vertical part (320) serves to prevent the air introduced from the lower case part (220) from being introduced toward the lower surface of the magnetic generating coil (100). The air guided toward the upper surface of the magnetic generating coil (100) by the first vertical part (320) cools the space between the magnetic generating coil (100) and the body contact surface (211). Thereafter, the second vertical part (330) guides the air so that the air that has passed through the upper surface of the magnetic generating coil (100) can move toward the lower surface of the magnetic generating coil (100) through the central region of the magnetic generating coil (100). Air flowing into the lower surface of the self-generating coil (100) passes through the lower surface through the protruding rib (311). Thereafter, the air flows out to the outside through the through hole (312) formed in the bottom surface (310).

[0069] Meanwhile, the second vertical section (330) may be in contact with the back surface of the upper case section (210) so that negative pressure can be formed in the internal space through the blower (420).

[0070] FIG. 6 is a perspective view schematically illustrating the flow of air flowing into and out of the pad-type magnetic stimulation device (1000) of the present invention.

[0071] The pad-type magnetic stimulation device (1000) of the present invention includes, as described above, a first ventilation hole (411) for introducing external air into the internal space and a second ventilation hole (412) for discharging internal air to the outside. At this time, since the first ventilation hole (411) and the second ventilation hole (412) are formed at positions that are misaligned with each other, the air flow is misaligned between the inlet side and the outlet side, as illustrated in Fig. 6.

[0072] Referring to Fig. 6, air introduced from the lower side of the magnetic generating coil (100) sequentially flows through the upper side of the magnetic generating coil (100) and the lower side of the magnetic generating coil (100), and flows out through the lower side of the magnetic generating coil (100). At this time, air introduced into one side of the magnetic generating coil flows out to the other side, and it is preferable that the paths for introduction and discharge are separated from each other as shown.

[0073] Hereinafter, the magnetic generating coil (100) will be described in more detail with reference to FIGS. 7 to 12.

[0074] FIG. 7 is a perspective view illustrating a magnetic generating coil (100) included in a pad-type magnetic stimulation device (1000) of the present invention, FIG. 8 illustrates a cross-sectional view of the magnetic generating coil taken along line AA', FIG. 9 illustrates a cross-sectional view of the magnetic generating coil taken along line BB', FIG. 10 illustrates a cross-sectional view of the magnetic generating coil taken along line CC', and FIG. 11 is a drawing schematically illustrating the structure of the magnetic generating coil.

[0075] Referring to FIG. 8, the magnetic generating coil (100) includes a coil bundle (110, 120) including unit coil strands (111, 121) made of copper material, and a hollow tube (130, 140) surrounding the coil bundle (110, 120). The magnetic generating coil (100) may be a disc-shaped coil in which the coil bundle (110, 120) and the hollow tube (130, 140) are wound as one body.

[0076] The coil bundle (110, 120) includes a first coil bundle (110) and a second coil bundle (120) connected in parallel with the first coil bundle (110).

[0077] The coil bundle (110, 120) is formed by gathering multiple unit coil strands (111, 121). The first coil bundle (110) is formed by gathering multiple unit coil strands (111), and the second coil bundle (120) is formed by gathering multiple unit coil strands (121).

[0078] Here, it is preferable that each unit coil strand (111, 121) be formed of an OFC (oxygen free copper) coil having a low oxygen to copper ratio.

[0079] OFC coil refers to a high-purity copper wire of 99.9% or higher that does not contain oxides except for copper. The higher the oxygen content in the coil, the more the current flow is hindered, and conversely, the higher the purity of the copper, the more smoothly the current flow can proceed. The OFC coil used in the magnetic generation coil (100) has a lower oxygen content than a general coil, and thus has lower resistance or impedance, and therefore, the magnetic generation coil (100) of the present invention has the advantage of low heat generation.

[0080] It is preferable that the OFC coil used in the magnetic generating coil (100) be a coil selected between AWG 8 and AWG 12, which is the standard specification for wire diameter (or cross-sectional area). When an OFC coil with a diameter within the above range is selected and used, it can be confirmed that heat generation is controlled without separate cooling during non-invasive treatment using the magnetic generating coil (100) of the present invention. Specific heat generation control performance will be described later with reference to FIG. 12.

[0081] The hollow tube (130, 140) includes a first tube (130) that wraps around a first coil bundle (110) and a second tube (140) that wraps around a second coil bundle (120).

[0082] The first tube (130) wraps around the first coil bundle (110), and the second tube (140) wraps around the second coil bundle (120). These hollow tubes (130, 140) may be PVC tubes made of a flexible material. The hollow tubes (130, 140) serve to encapsulate the coil bundles (110, 120).

[0083] At this time, the first tube (130) and the second tube (140) may be in close contact with each other and at least partially connected. As illustrated in FIG. 2, a portion of the outer circumference of the first tube (130) and the second tube (140) may be connected so that the cross-section has a figure-8 shape. The first tube (130) and the second tube (140) may be formed in a form in which they are in close contact with each other in the longitudinal direction.

[0084] The self-generating coil (100) may be a disc-shaped coil in which a coil bundle (110, 120) and a hollow tube (130, 140) are wound as one body, as shown in FIG. 7.

[0085] Here, the diameter (D1) of the magnetic generating coil (100) may be 100 mm to 300 mm. More preferably, the first diameter (D1) may be 150 mm to 250 mm.

[0086] The disc-shaped magnetic generating coil (100) can be formed into a two-layer structure. Referring to FIG. 9, the magnetic generating coil (100) includes a first layer (10) and a second layer (20). The above-described first coil bundle (110) and second coil bundle (120) can form the first layer (10) and the second layer (20) of the disc-shaped coil, respectively.

[0087] The self-generating coil (100) further includes an input-side coil bundle (150) and an output-side coil bundle (160).

[0088] The first coil bundle (110) forming the first layer (10) of the disc-shaped magnetic generating coil (100) and the second coil bundle (120) forming the second layer (20) can be connected in parallel to the input-side coil bundle (150) and the output-side coil bundle (160).

[0089] Referring to Fig. 11, the input side coil bundle (150) is connected to the first end (112) of the first coil bundle (110) and the first end (122) of the second coil bundle (120). The output side coil bundle (160) is connected to the second end (113) of the first coil bundle (110) and the second end (123) of the second coil bundle (120).

[0090] Here, it is preferable that the diameter (d2) of the input side coil bundle (150) be larger than the diameter (d1) of the first coil bundle (110).

[0091] Additionally, the diameter of the output side coil bundle (160) may be the same as the diameter (d2) of the input side coil bundle (150), and the diameter of the second coil bundle (120) may be the same as the diameter (d1) of the first coil bundle (110).

[0092] A connection part (30) may be included at a point connecting the input side coil bundle (150) and the first coil bundle (110) and the second coil bundle (120) and / or at a point connecting the output side coil bundle (160) and the first coil bundle (110) and the second coil bundle (120). The connection part (30) electrically connects the input side coil bundle (150), the first coil bundle (110) and the second coil bundle (120).

[0093] The input-side tube (170) wraps around the input-side coil bundle (150). The input-side tube (170) is a hollow tube like the first tube (130) and the second tube (140), and may be a flexible PVC tube. The hollow input-side tube (170) serves to encapsulate the input-side coil bundle (150). Similarly, an output-side tube (180) may be provided, and the output-side tube (180) wraps around the output-side coil bundle (160).

[0094] Meanwhile, the magnetic generating coil (100) may further include a support member (40). Referring to FIG. 7, the support member (40) serves to support a disc-shaped coil in which a coil bundle (110, 120) and a hollow tube (130, 140) are wound as one body. The support member (40) may be a belt-shaped member capable of simultaneously wrapping and supporting multiple coils wound in layers of the magnetic generating coil (100).

[0095] The following is an example of conditions such as current, voltage, and frequency applied to the self-generating coil (100).

[0096] Current = 500 ~ 900 A (PP)

[0097] Voltage = 100 ~ 1000V (PP)

[0098] Frequency = 1 ~ 100 Hz

[0099] However, it should be noted that these figures are exemplary and do not limit the scope of the present invention.

[0100] Meanwhile, Fig. 12 is a graph comparing the results of a heating temperature experiment of a magnetic generating coil included in the present invention and another type of magnetic generating coil.

[0101] The illustrated comparative coil 1 is a solid type copper coil used in conventional magnetic generating coils, and the illustrated comparative coil 2 is a coil formed of a coil bundle wound with multiple unit coil strands like the coil of the present invention, but is formed of a tin material. The coil of the embodiment corresponds to the magnetic generating coil (100) of the present invention.

[0102] Comparison Coil 1, Comparison Coil 2, and Example Coil all have the same conductor diameter of 12AWG, and the inner diameter of the wound disc is Ø90, and the outer diameter is Ø300. Under room temperature conditions of 26°C, current was applied to each coil, and temperature measurements were taken three times after approximately one hour. The temperatures shown represent the average of the three measurements.

[0103] While the temperature of Comparative Coil 1 and Comparative Coil 2 rapidly increased to 32.9°C and 32°C, respectively, the magnetic generating coil (100) of the present invention showed a lower temperature increase of 31.2°C compared to Comparative Coil 1 and Comparative Coil 2.

[0104] A temperature difference of approximately 1°C like this demonstrates the effectiveness of significant heat control performance. Since magnetic therapy is typically performed for more than 20 minutes using a magnetically generated coil, the magnetically generated coil (100) of the present invention, which exhibits a lower temperature rise than comparative coils, can reduce heat generated from the coil during magnetic therapy lasting several tens of minutes and maximize magnetically generated efficiency.

[0105] Although the magnetic generating coil (100) included in the present invention is exemplified as having an overall circular shape as described above, it is not limited thereto. The magnetic generating coil (100) may be a coil wound to have various shapes, such as an oval, a figure-of-eight, a disk shape, or a polygon, when viewed from above or below vertically.

[0106] Although embodiments of the present invention have been described with reference to the attached drawings, those skilled in the art will appreciate that the present invention can be implemented in other specific forms without altering the technical spirit or essential characteristics of the present invention. Therefore, the embodiments described above should be understood to be illustrative in all respects and not restrictive.

Claims

1. A pad-type magnetic stimulation device that provides non-invasive stimulation by applying a magnetic field to the body's nerve cells or muscle cells. A pad-shaped case portion, comprising an upper case portion including a body contact surface and a lower case portion joined to the lower portion of the upper case portion to form an internal space. A magnetic generating coil which is included in the above internal space and generates a magnetic field; A cooling unit that generates air flow in the internal space to cool the magnetic generating coil; and A pad-type magnetic stimulation device, comprising: a guide section providing a space in which the magnetic generating coil is installed and guiding air flow around the magnetic generating coil.

2. In paragraph 1, The above guide section, A pad-type magnetic stimulation device that guides air introduced from the first side of the lower case portion to sequentially flow through the upper surface of the magnetic generating coil and the lower surface of the magnetic generating coil and to flow out through the second side of the lower case portion.

3. In paragraph 2, The above guide section, The bottom surface on which the above magnetic generating coil is mounted, A first vertical portion formed to have a predetermined height along the outer perimeter of the above-mentioned floor surface and wrapping around the outer perimeter of the above-mentioned magnetic generating coil; and A pad-type magnetic stimulation device, comprising a second vertical portion formed to have a predetermined height in the central area of ​​the floor surface and supporting the inner periphery of the magnetic generating coil.

4. In paragraph 3, The above guide section, A pad-type magnetic stimulation device comprising a protruding rib that protrudes from the bottom surface and supports the lower surface of the magnetic generating coil so that the magnetic generating coil is spaced from the bottom surface.

5. In paragraph 3, The above guide section, A pad-type magnetic stimulation device comprising a through hole formed to penetrate the floor surface in at least a portion of the floor surface.

6. In paragraph 5, The above cooling unit, A first ventilation hole formed on one side of the lower case portion and allowing external air to flow into the internal space; A second ventilation hole formed on the other side of the lower case portion and allowing air in the internal space to escape to the outside; It includes a blower device arranged on the side of the second vent to discharge air from the internal space, The above blower is a pad-type magnetic stimulation device positioned on the lower side of the through hole.

7. In paragraph 3, A pad-type magnetic stimulation device, wherein when the upper case part and the lower case part are combined, the second vertical part comes into contact with the back surface of the upper case part.

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