WO2023145705A1 - 磁気治療装置 - Google Patents

磁気治療装置 Download PDF

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Publication number
WO2023145705A1
WO2023145705A1 PCT/JP2023/002004 JP2023002004W WO2023145705A1 WO 2023145705 A1 WO2023145705 A1 WO 2023145705A1 JP 2023002004 W JP2023002004 W JP 2023002004W WO 2023145705 A1 WO2023145705 A1 WO 2023145705A1
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WO
WIPO (PCT)
Prior art keywords
frequency
coil
signal
biostimulation
signal wave
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2023/002004
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English (en)
French (fr)
Japanese (ja)
Inventor
康二 中澤
正樹 村上
証英 原田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nipro Corp
Harada Electronics Industry Co Ltd
Original Assignee
Nipro Corp
Harada Electronics Industry Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nipro Corp, Harada Electronics Industry Co Ltd filed Critical Nipro Corp
Priority to EP23746916.8A priority Critical patent/EP4470607A4/en
Priority to JP2023576909A priority patent/JPWO2023145705A1/ja
Priority to US18/730,202 priority patent/US20250099775A1/en
Publication of WO2023145705A1 publication Critical patent/WO2023145705A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N2/00—Magnetotherapy
    • A61N2/004—Magnetotherapy specially adapted for a specific therapy
    • A61N2/008—Magnetotherapy specially adapted for a specific therapy for pain treatment or analgesia
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/40—Applying electric fields by inductive or capacitive coupling ; Applying radio-frequency signals
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N2/00—Magnetotherapy
    • A61N2/004—Magnetotherapy specially adapted for a specific therapy
    • A61N2/006—Magnetotherapy specially adapted for a specific therapy for magnetic stimulation of nerve tissue
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N2/00—Magnetotherapy
    • A61N2/02—Magnetotherapy using magnetic fields produced by coils, including single turn loops or electromagnets

Definitions

  • the present invention relates to a treatment apparatus for treating pain in an affected area by generating a biostimulation signal wave and irradiating the affected area with a magnetic field generated by a coil using the signal wave to stimulate cells in the affected area. .
  • Patent Document 1 As a device for treating pain in a diseased part by irradiating the diseased part of a living body with a magnetic field to stimulate cells in the diseased part, for example, the one described in Patent Document 1 is conventionally known.
  • a high-frequency coil and a low-frequency coil in a shape are arranged side by side, or a loop-shaped high-frequency coil and a low-frequency coil are stacked in a housing, and these coils are used as a transmission circuit and a battery. By accommodating them together in a housing, they are configured to be portable.
  • a magnetic field is generated by the high-frequency output coil and the low-frequency output coil by using a high-frequency signal and a low-frequency signal of a constant frequency output from the transmission circuit, and the housing is applied to the affected part of the living body. Irradiate the affected area with a magnetic field to stimulate the cells in the affected area, and the stimulation promotes the production of neurotrophic factors in the cells of the affected area, promoting the repair, growth, differentiation, and proliferation of the cells to treat pain in the affected area. do.
  • U.S. Patent Application Publication No. 2004/0010001 also includes a system for electromagnetic induction therapy and the like, including one or more ergonomic or body-contoured probes positioned proximate to a coil. one or more conductive coils configured to generate an electromagnetic or magnetic field that is focused onto a target nerve, muscle, or other body tissue, the one or more sensors detecting the stimulus; Utilized to provide feedback regarding the effectiveness of the applied electromagnetic induction therapy, the controller varies the current through the coil to target nerves, muscles, or other components based on feedback provided by sensors or the patient. An adjustable one is disclosed to adjust the magnetic field focused on the body tissue.
  • the sensor described in Patent Document 2 detects electrical conduction of nerves stimulated by electromagnetic therapy, and does not directly detect high-frequency magnetic field strength, probe abnormalities, etc., and the communication means is also specified.
  • the coil and the sensor are prepared separately, and the connection with the control unit is also made by separate wiring. Therefore, no consideration has been given to the problem of accommodating the signal line for communication between the probe and the main unit and the wiring for supplying high-frequency current in the same signal cable.
  • the present invention has been made in view of such technical circumstances, and detects a high-frequency signal by detecting the magnetic field strength generated from a magnetic therapy device, and increases the output of the high-frequency signal to treat pain in the affected area. At the same time as obtaining the therapeutic effect necessary for the treatment, the magnetic field strength generated by the high-frequency signal is monitored so that it does not become excessive, and if the magnetic field strength becomes excessive, the output of the high-frequency signal is immediately stopped.
  • An object of the present invention is to provide a magnetic therapy device that can ensure its safety.
  • the magnetic therapy apparatus of the present invention generates a signal wave for biostimulation, irradiates a magnetic field for stimulating an affected part generated in a coil with the signal wave for biostimulation, and irradiates the affected part of a living body with the affected part.
  • the device body having a signal wave output unit for generating and outputting a biostimulation signal wave of a first frequency; formed separately from the device body, having a first coil connected to the signal wave output section with a signal cable and supplied with a biostimulation signal wave of a first frequency output from the signal wave output section; wherein the first coil is formed as a planar body on both or one side of a flexible thin plate, and the magnetic field intensity adjacent to the first coil is formed on both or one side of the flexible thin plate.
  • a detection coil is formed.
  • the magnetic field strength detection coil is formed on the outermost edge of the flexible thin plate
  • the frequency of the biostimulation signal wave of the first frequency is (c) the probe detects the magnetic field strength generated in the first coil by the biostimulation signal wave of the first frequency detected by the magnetic field strength detection coil
  • the signal wave output unit also generates and outputs a biostimulation signal wave of a second frequency different from the first frequency
  • the probe is configured to detect the (e) a second coil to which the signal cable is connected to the signal wave output section and to which the signal wave for biostimulation of the second frequency is supplied from the signal wave output section; It is considered that the frequency of the stimulation signal wave is more preferably 1 kHz or more and 3 kHz or less.
  • the signal wave output unit of the apparatus main body generates and outputs the biostimulation signal wave of the first frequency
  • the first coil of the probe formed separately from the apparatus main body generates the signal. It is connected to the wave output section by a signal cable and supplied with the biostimulation signal wave of the first frequency output from the signal wave generation section, and the biostimulation signal wave of the first frequency generates a high frequency alternating magnetic field for stimulation of the affected area.
  • the biostimulation signal wave of the first frequency is detected by the magnetic field intensity detection coil adjacent to the first coil, the magnetic field intensity of the magnetic field generated in the first coil is detected, Monitor. Therefore, the magnetic therapy apparatus of the present invention can moderately maintain the magnetic field generated in the first coil without the magnetic field strength generated in the first coil becoming excessive. As a result, the magnetic therapy apparatus of the present invention can prevent output runaway due to the first coil and ensure its safety.
  • the magnetic therapy apparatus of the present invention by applying a probe separate from the apparatus main body to the affected part of the living body, output runaway by the first coil can be prevented, and the high-frequency alternating magnetic field generated by the first coil can be prevented.
  • the cells in the affected area are stimulated, and the stimulation activates the damaged sensory cells in the affected area, induces neurotrophic factors, and is expected to reduce neuropathy in the affected area.
  • the magnetic field strength detection coil detects the magnetic field strength in the first coil.
  • the generated magnetic field strength can be detected. Therefore, the strength of the magnetic field generated in the first coil is monitored, and when an abnormality in the strength of the magnetic field is detected, the alarm control unit can output an alarm signal (for example, sounding an alarm sound, displaying an alarm message, etc.).
  • the magnetic therapy apparatus of the present invention prevents the magnetic field strength from becoming excessive, or when the magnetic field strength becomes excessive, immediately stops the output of the biostimulation signal wave of the first frequency. can generate a high-frequency alternating magnetic field for stimulating the affected area with moderate intensity.
  • the fluctuation of the frequency of the biostimulation signal wave of the first frequency is within a predetermined range centered at 250 MHz, preferably 250 MHz ⁇ 20%, more preferably 250 MHz ⁇ 10%. may be within the range of In this manner, the high-frequency alternating magnetic field formed by the biostimulation signal wave of the first frequency of 250 MHz at the center has a high effect of activating the damaged sensory cells and inducing neurotrophic factors, so that the affected area can be stimulated. It can be expected to increase the effect of alleviating neuropathy.
  • the signal wave output unit also generates and outputs a biostimulation signal wave having a second frequency different from the first frequency
  • the probe outputs the signal wave output unit. It may also have a second coil connected by a signal cable and supplied with the biostimulation signal wave of the second frequency output from the signal wave output section. If the probe also has a second coil, it may further include a magnetic field intensity detection coil for detecting the magnetic field generated by the second coil.
  • the stimulation applied by irradiating the affected area with the low-frequency alternating magnetic field for the affected area stimulation generated by the second coil by the signal wave for biostimulation of the second frequency stimulates sensory nerves (A ⁇ fibers: tactile sensation). Since it reaches the brain (sensory area) from the dorsal horn of the spinal cord, it can be expected that the brain recognizes the pleasure of touch and activates the descending antinociceptive system to bring about analgesic and relaxing effects.
  • the frequency of the biostimulation signal wave of the second frequency may be 1 KHz or more and 3 KHz or less.
  • the stimulation by the low-frequency alternating magnetic field of 1 kHz or more and 3 kHz or less generated in the second coil by the biostimulation signal wave of the second frequency reaches the brain from the dorsal horn of the spinal cord through the sensory nerves. Since it is easy to use, it can be expected to bring about a higher analgesic effect and a neuropathy-reducing effect such as a relaxing effect.
  • FIG. 1 is a perspective view showing the overall appearance of a magnetic therapy device according to one embodiment of this invention
  • FIG. It is a front view which shows the external appearance of the apparatus main body of the magnetic therapy apparatus of the said embodiment. It is the schematic which shows the external appearance of the probe of the magnetic therapy apparatus of the said embodiment.
  • 3(a) is a front view
  • FIG. 3(b) is a top view
  • FIG. 3(c) is a cross-sectional view of the right side AA.
  • It is a printed wiring diagram showing the coil arrangement of the magnetic therapy apparatus of the above embodiment.
  • FIG. 4(a) is a top view
  • FIG. 4(b) is a rear view.
  • It is a block diagram which shows the structure of the magnetic therapy apparatus of the said embodiment with a functional block. It is the graph which the probe of the magnetic therapy apparatus of the said embodiment detected the magnetic field strength which generate
  • FIG. 1 is a perspective view showing the overall appearance of a magnetic therapy device 100 according to one embodiment of this invention.
  • the magnetic therapy apparatus 100 includes a device main body 101, a probe 102, a signal cable 103 connecting the probe 102 to the device main body 101, and a detachable insertion into the device main body 101. and a power cable (not shown) to be attached.
  • the magnetic therapy apparatus 100 of the present embodiment generates a signal wave for biostimulation, irradiates the affected part of the living body with a magnetic field generated by a coil with the signal wave for biostimulation, and stimulates the cells of the affected part. It is a magnetic therapy device for treating pain.
  • a device main body 101 provided in the magnetic therapy device 100 has a signal wave output unit that generates and outputs a biostimulation signal wave of a first frequency.
  • the apparatus main body 101 includes a resin casing 104 and a touch input (capacitance) display 105 that is housed in the casing 104 obliquely upward and exposed from an opening 104 a on the front surface of the casing 104 .
  • the display 105 is a color liquid crystal
  • the number of display pixels can be set to 1024px ⁇ 768px.
  • a battery 106 for supplying a power source necessary for operating the magnetic therapy device 100 is built in the projecting portion 104 b on the rear lower side of the casing 104 .
  • the specifications of the battery 106 can be set as appropriate.
  • a rechargeable lithium secondary battery can be used as the battery 106, and the continuous operation time can be set to 8 to 24 hours or more, and the charging time can be set to 14 hours or less.
  • the magnetic therapy apparatus 100 is connected to a signal wave output section with a signal cable 103, and has a first coil supplied with a biostimulation signal wave of a first frequency output from the signal wave output section. It has a separately formed probe 102 .
  • the probe 102 is a member for generating a magnetic field by applying it to the affected part of the living body when using the magnetic therapy apparatus 100 of the present embodiment, and irradiating the affected part with the magnetic field to treat the pain of the affected part.
  • the magnetic therapy device 100 may include at least one probe 102, and the number of probes 102 may be increased as needed.
  • the signal cable 103 may be configured integrally with the apparatus main body 101 and the probe 102, may be configured to be detachable (inlet) from the apparatus main body 101 and the probe 102, or may be configured separately.
  • the cable length of the signal cable 103 can be appropriately set according to the application of the magnetic therapy device 100 .
  • the cable length of the signal cable 103 may be set to 0.5 to 2.0 m.
  • the magnetic therapy apparatus 100 of this embodiment is provided with a probe 102 that is separate from the apparatus main body 101 . Therefore, by applying only the probe 102 to the affected part of the living body, the affected part can be irradiated with the magnetic field generated by the high-frequency output coil, for example.
  • the probe 102 does not contain a signal wave generator and a power supply. Therefore, the probe 102 can be designed to be more compact than the device body 101 . As a result, when using the magnetic therapy device 100, the probe 102 does not become bulky, does not get caught on clothing, and does not come off from the affected area.
  • FIG. 2 is a front view showing the appearance of the device main body of the magnetic therapy device according to this embodiment.
  • an alarm stop button 107 and a power switch button 108 are provided on the left and right sides of the opening 104a on the front surface of the casing 104 of the main body 101 of the apparatus.
  • three sockets 109 for plugging the signal cables 103 are arranged side by side to enable the connection of the three probes 102 to the device body 101. ing.
  • the number of sockets 109 can be appropriately set according to the number of probes 102 installed.
  • FIG. 3 is a schematic diagram showing the appearance of the probe provided in the magnetic therapy apparatus of this embodiment.
  • FIG. 3(a) is a front view of the probe.
  • the probe 102 provided in the magnetic therapy apparatus 100 includes a substantially rectangular plate-like probe housing 110 and a flexible thin plate housed therein. and a circuit section 111 for protecting the formed electric circuit and the like.
  • the circuit section 111 is formed on the surface of the plate-shaped probe housing 110 so as to swell.
  • FIG. 3(b) is a top view of the probe provided in the magnetic therapy device
  • FIG. 3(c) is a cross-sectional view of the right side AA of the probe provided in the magnetic therapy device.
  • the circuit section 111 is formed on the surface of the plate-like probe housing 110 for the purpose of protecting the electric circuits and the like formed on the flexible thin plate 112 . It is formed in a pyramidal shape rising toward the side.
  • a signal cable 103 is connected to the center of the circuit section 111 .
  • the rear surface 113 of the plate-shaped probe housing 110 is a contact surface with the affected area, and is an irradiation surface for irradiating the affected area with a high-frequency alternating magnetic field for stimulating the affected area having an appropriate intensity.
  • an alarm signal for example, alarm sound, alarm message display, alarm vibration
  • the alarm control unit provided in the magnetic therapy apparatus.
  • the plate-shaped probe housing 110 is preferably made of a flexible material in order to maintain the flexibility of the probe 102 .
  • the plate-shaped probe housing 110 is preferably made of a soft resin that is excellent in water resistance, heat resistance, etc., and does not affect the human body even when it comes into contact with the affected skin.
  • the material forming the plate-like probe housing 110 is not particularly limited as long as it satisfies the above characteristics, and examples thereof include silicon resin, elastomer, and rubber material.
  • the plate-shaped probe housing 110 can be manufactured by resin molding such as injection molding and RIM molding.
  • the shape of the plate-shaped probe housing 110 can accommodate the flexible thin plate 112 and is preferably set substantially the same as the first coil 102 a formed on the flexible thin plate 112 .
  • FIG. 4 is a printed wiring diagram showing the coil arrangement of the magnetic therapy device of this embodiment.
  • the probe 102 included in the magnetic therapy apparatus 100 of the present embodiment is supplied with a biostimulation signal wave of a first frequency output from the signal wave output section of the apparatus main body 101.
  • 1 coil 102a The first coil 102 a is formed as a planar body on one or both sides of a flexible thin plate 112 housed inside the probe 102 .
  • a magnetic field strength detection coil 102b adjacent to the first coil 102a is formed on both or one side of the flexible thin plate 112. As shown in FIG.
  • the probe 102 included in the magnetic therapy apparatus 100 of the present embodiment includes a magnetic field intensity detection coil 102b adjacent to the first coil 102a, so that the first frequency for biostimulation is output by the first coil 102a.
  • the magnetic therapy apparatus 100 of the present embodiment includes the first coil 102a housed inside the probe 102 and the magnetic field strength detection coil 102b adjacent to the high-frequency output coil, thereby outputting a high-frequency signal. The safety of the magnetic therapy device is ensured by increasing the magnetic field to obtain the therapeutic effect necessary to treat pain in the affected area and by detecting excessive high-frequency alternating magnetic fields to prevent them from being generated.
  • the first coil 102 a may be formed on both the front and back surfaces of the flexible thin plate 112 . Also, the first coil 102 a may be formed on either one of the front surface and the rear surface of the flexible thin plate 112 .
  • the magnetic field intensity detection coil 102b may be formed adjacent to the first coil 102a, may be formed at the outermost edge of the flexible thin plate 112, or may be formed inside the first coil 102a. may be formed at the position of
  • FIG. 4(a) is a top view of a printed wiring diagram.
  • an electric circuit 114, a first coil 102a, a magnetic field strength detection coil 102b, a second coil 102c, etc. are arranged on the surface of the flexible thin plate 112.
  • the first coil 102a is arranged as an annular disk on the upper surface (surface) of the flexible thin plate 112
  • the magnetic field intensity detection coil 102b is arranged as an annular disk outside adjacent to the first coil 102a. are doing.
  • a spiral second coil 102c is arranged inside the first coil 102a.
  • the electric circuit 114 arranged on the flexible thin plate 112 includes a circuit for detecting the magnetic field generated from the high frequency detected by the magnetic field intensity detecting coil 102b, a temperature detecting element, and a CPU to detect the operating state.
  • a circuit or the like is formed for this purpose.
  • the first coil 102a generates a high-frequency alternating magnetic field for stimulating the affected area with the signal wave for biostimulation of the first frequency, which is output from the signal wave output section of the device main body 101 and supplied via the signal cable 103.
  • the second coil 102c generates a low-frequency alternating magnetic field for stimulating the affected area with the signal wave for biostimulation of the second frequency, which is output from the signal wave output section of the apparatus main body 101 and supplied via the signal cable 103.
  • printed wiring is formed on the surface of the flexible thin plate 112 housed in the plate-shaped probe housing 110, and the first coil 102a is formed outside the surface of the flexible thin plate 112 and the second coil is formed inside the flexible thin plate 112. 102c are formed, and in addition, a magnetic field strength detection coil 102b is formed adjacent to the outside of the first coil 102a.
  • the magnetic field strength detection coil 102b adjacent to the first coil 102a is formed at the outermost edge of the flexible thin plate 112. As shown in FIG.
  • the magnetic field strength generated from the first coil 102a can be detected with high sensitivity.
  • the magnetic field intensity detection coil 102b it is preferable to form the magnetic field intensity detection coil 102b inside the first coil 102a because the magnetic field intensity detection sensitivity increases. On the other hand, if the magnetic field intensity detection coil 102b is formed outside the first coil 102a, it is less likely to be affected by the second coil 102c, which is preferable. Furthermore, it is preferable because the detection sensitivity of the magnetic field strength is increased.
  • FIG. 4(b) is a rear view of the printed wiring diagram.
  • the first coil 102a and the second coil 102c may be formed not only on the surface of the flexible thin plate 112 but also on the back surface thereof. good.
  • the front and back surfaces of the flexible thin plate 112 are arranged symmetrically so that, for example, the high-frequency current flowing through the first coil 102a and the low-frequency current flowing through the second coil 102c are the same on both the front and back surfaces.
  • You may arrange
  • a slit portion 115 is provided between the first coil 102a and the second coil 102c of the flexible thin plate 112, and deformation of the probe 102 is prevented. At times, flexible sheet 112 is easier to follow with probe 102 .
  • a plurality of locations on the circumference of the slit portion 115 are connected by a bridge portion 116 so that the flexible thin plate 112 can be stably molded when covered with resin molding.
  • the shape of the first coil 102a may be changed to a substantially rectangular shape instead of an annular disk.
  • the flexible thin plate 112 is a film-like printed circuit board, and preferably has a base layer made of a flexible insulating material film and, if necessary, an adhesive layer.
  • Polyimide resin, polyester resin, polyamide paper-based epoxy resin, glass cloth-based epoxy resin, glass-based BT resin, or the like can be used for the base layer.
  • the first coil 102a and the second coil 102c, and the magnetic field strength detection coil 102b may be conductors printed or etched on the flexible thin plate 112, such as metal foil.
  • FIG. 5 is a block diagram showing the configuration of the magnetic therapy apparatus of this embodiment in functional blocks.
  • the magnetic therapy device 100 of this embodiment comprises a device body 101, a probe 102 and a signal cable 103.
  • the apparatus body 101 functionally includes a signal wave output section 117 , a screen control section 118 , a touch input type display 119 and a power supply section 120 .
  • the signal wave output section 117 in this embodiment is circuit-configured using a plurality of central processing units (CPUs) (not shown) on a printed wiring board installed inside the device main body 101 .
  • FIG. 5 illustrates a case where the biostimulation signal wave of the first frequency is the biostimulation high-frequency signal and the biostimulation signal wave of the second frequency is the biostimulation low-frequency signal.
  • the signal wave output unit 117 has a basic high-frequency signal generation unit 117a for outputting a biostimulation high-frequency signal, a basic high-frequency signal shift unit 117b, a basic frequency signal frequency modulation unit 117c, and a biostimulation high-frequency signal output unit 117f.
  • the basic high-frequency signal generation unit 117a generates, for example, a 250 MHz basic high-frequency signal.
  • the basic high-frequency signal shifter 117b moderately shifts (changes) the basic high-frequency signal generated by the basic high-frequency signal generator 117a.
  • the basic high-frequency signal shifter 117b moderately shifts (fluctuations) the basic high-frequency signal every 0.00014 seconds, for example, within the range of 225 MHz to 275 MHz, which is ⁇ 10% of the center frequency of 250 MHz. ).
  • the basic high-frequency signal shifter 117b moderately shifts (changes) the basic high-frequency signal, the frequency band used by the aircraft lifesaving radio is excluded.
  • the basic high-frequency signal shifter 117b outputs the moderately shifted (varied) basic high-frequency signal to the basic high-frequency signal frequency modulator 117c.
  • the signal wave output unit 117 outputs a magnetic signal pattern (for example, a sound source signal such as pleasant music) recorded in advance on a recording medium such as an SD card mounted in a card slot on a printed wiring board built in the device main body 101. is read from a recording medium such as an SD card by the magnetic signal pattern reading unit 117d and supplied to the biostimulation low-frequency signal generating unit 117e.
  • the biostimulation low-frequency signal generation unit 117e processes a magnetic signal pattern (for example, a sound source signal such as pleasant music) with a band-pass filter or the like, and uses the frequency information of the magnetic signal pattern (for example, 1 KHz or more and 3 KHz or less) to generate a biological signal.
  • a low-frequency stimulus signal is generated, and the low-frequency biostimulation signal is output to the basic high-frequency signal frequency modulation unit 117c and the low-frequency biostimulation signal output unit 117f.
  • the basic high-frequency signal frequency modulation unit 117c shifts (changes) the frequency of the basic high-frequency signal generated by the basic high-frequency signal generating unit 117a by the basic high-frequency signal shifting unit 117b, for example, 250 MHz ⁇ 10%.
  • the frequency is modulated by the biostimulation low-frequency signal generated by the biostimulation low-frequency signal generator 117e.
  • the basic high-frequency signal frequency modulating unit 117c outputs a biostimulation high-frequency signal generated by frequency-modulating the frequency-shifted (fluctuation) basic high-frequency signal with the biostimulation low-frequency signal to the biostimulation high-frequency signal output unit 117f. supply.
  • the biostimulation high-frequency signal output unit 117 f amplifies the frequency-modulated biostimulation high-frequency signal and outputs the amplified biostimulation high-frequency signal to the high-frequency output coil 102 a of the probe 102 .
  • the biostimulation high-frequency signal output unit 117f amplitude-modulates the frequency-modulated biostimulation high-frequency signal with the biostimulation low-frequency signal, amplifies it, and outputs the signal to the high-frequency output coil 102a of the probe 102. good too.
  • biostimulation low-frequency signal output unit 117g amplifies the biostimulation low-frequency signal of, for example, 1 KHz or more and 3 KHz or less generated by the biostimulation low-frequency signal generation unit 117e to generate the low-frequency output coil 102c of the probe 102. output to These operations in the signal wave output section 117 are monitored by the operating state monitoring section 117h.
  • the probe 102 in this embodiment accommodates a flexible thin plate 112 (not shown) in a plate-shaped probe housing 110 made of soft resin such as silicon resin.
  • a high frequency output coil 102a is formed on the outside and a low frequency output coil 102c is formed on the inside by printed wiring on the flexible thin plate 112 substrate.
  • a high-frequency detection coil 102b is formed as a detection coil.
  • an operation state detection section 102d using a temperature detection element mounted on the flexible thin plate 112 and a CPU is configured as a circuit.
  • the high-frequency output coil 102a generates a high-frequency alternating magnetic field for stimulating the affected area with the high-frequency signal for biostimulation supplied from the high-frequency signal output unit 117f for biostimulation through the signal cable 103.
  • a low-frequency alternating magnetic field for stimulating the affected part is generated by the low-frequency signal for biostimulation supplied from the low-frequency signal output unit for stimulation 117g through the signal cable 103.
  • the operating state detection unit 102d detects the operating state of the signal wave output unit 117 from the temperatures of the high-frequency output coil 102a and the low-frequency output coil 102c detected by the temperature detection element and the magnetic field strength detected by the magnetic field strength detection coil 102b. to detect The operating state detector 102 d feeds back a signal indicating its operating state to the operating state monitor 117 h of the signal wave output unit 117 via the signal cable 103 . Based on the signal indicating the operating state, the operating state monitoring unit 117h detects that the signal wave output unit 117 operates such as signal wave generation and output, and that the alternating magnetic field generated by the high-frequency output coil 102a and the low-frequency output coil 102c is excessive. Whether or not the magnetic field strength is reached is monitored, and when an abnormality is detected, an alarm control unit (not shown) outputs an alarm signal (for example, alarm sound, alarm message display, alarm vibration, etc.).
  • an alarm control unit not shown
  • an alarm signal for example, alarm sound, alarm message display
  • the screen control unit 118 is mainly configured on a printed circuit board installed in the device main body 101 using a graphic processing unit (GPU) (not shown) or the like.
  • An image display unit 118 a included in the screen control unit 118 reads screen information such as instruction buttons to be displayed on a liquid crystal display (LCD) 119 a of the touch input type display 119 .
  • Screen information such as instruction buttons is recorded in advance in an SD card mounted in a card slot on the printed circuit board.
  • the image display unit 118a displays screen information such as instruction buttons on a liquid crystal display (LCD) 119a.
  • the image display unit 118a detects the position where the user of the magnetic therapy apparatus touches the touch panel 119b of the touch input type display 119 using the instruction input unit 118b from changes in static electricity at that position.
  • the image display unit 118a sends to the operation state monitoring unit 117h a signal indicating an instruction input by the operation button displayed on the liquid crystal display (LCD) 119a corresponding to the touch position.
  • the operating state monitoring unit 117h controls the operation of the signal wave output unit 117 such as signal wave generation/output, and eventually the magnetic field intensity of the alternating magnetic field generated by the high frequency output coil 102a and the low frequency output coil 102c. etc. are detected and monitored according to the instructions of the user.
  • the screen control unit 118 controls the operation button displayed on the liquid crystal display (LCD) 119a to input an instruction to the instruction input unit 118b, the operation state of the signal wave output unit 117 at that time, and the magnetic field of the magnetic field generated from the high frequency signal. Create a log that records the intensity.
  • Log information created by the screen control unit 118 is stored in a USB memory slot that is placed between two printed circuit boards installed in the casing protruding part 104b on the rear lower side of the casing 104 and covered with an openable/closable lid. stored in The USB memory slot may be removably inserted from the upper surface side of the casing projecting portion 104b.
  • the image display unit 118a has a clock function for displaying a clock on a liquid crystal display (LCD) 119a.
  • the clock function is maintained by a button battery mounted in a battery holder on a printed circuit board installed inside the device main body 101 .
  • the power supply unit 120 includes a CPU and two AC-DC converters (not shown) mounted on a printed wiring board installed inside the apparatus main body 101, and printed wiring inside the casing projecting portion 104b on the rear lower side of the casing 104.
  • a circuit is configured using a substrate.
  • the power supply unit 120 includes a power control unit 120a on a printed wiring board.
  • a 36 V commercial AC power supply is installed inside the apparatus main body 101 via a power cable (not shown) that is detachably inserted into a power socket arranged rearward on the casing projecting portion 104 b on the lower rear portion of the casing 104 . It is supplied to each of the two printed wiring boards.
  • a switching power supply circuit 120c on one of the printed wiring boards installed inside the apparatus main body 101 obtains a 24 V DC power supply. Further, a switching power supply circuit on the other printed wiring board installed inside the apparatus main body 101 obtains a DC power supply of 12V. By connecting these DC power supplies in series, the 36V battery 120b is charged.
  • the power supply unit 120 supplies a 36V DC power supply from the battery 120b to the signal wave output unit 117 and the screen control unit 118 of the apparatus body 101 and the probe 102 during normal use of the magnetic therapy apparatus without a power cable attached.
  • the magnetic therapy apparatus can be carried and used by stepping down the necessary voltages and supplying them to the state detection unit 102d using two AC-DC converters.
  • the basic high-frequency signal generation unit 117a, the basic high-frequency signal shift unit 117b, and the basic high-frequency signal frequency modulation unit 117c of the signal wave output unit 117 included in the apparatus main body 101 generate the biostimulation high-frequency signal.
  • the biostimulation high-frequency signal output unit 117 f outputs the biostimulation high-frequency signal to the high-frequency output coil 102 a of the probe 102 .
  • a high-frequency output coil 102a included in a probe 102 formed separately from the device main body 101 generates a high-frequency alternating magnetic field for stimulation of an affected area by a high-frequency biostimulation signal supplied from a high-frequency biostimulation signal output section 117f.
  • the biostimulation high-frequency signal is a high-frequency signal having a center frequency of 250 MHz, for example.
  • the magnetic therapy apparatus of this embodiment by detecting the high frequency generated by the high frequency output coil 102a by the magnetic field intensity detection coil 102b, the high frequency alternating magnetic field is monitored so that it does not become excessive magnetic field intensity, It is expected to irradiate the affected area with a moderate high-frequency alternating magnetic field to stimulate the cells in the affected area, and the stimulation will activate, for example, damaged sensory cells in the affected area, induce neurotrophic factors, and reduce neuropathy in the affected area. can.
  • the high-frequency alternating magnetic field generated by the high-frequency output coil 102a centering on 250 MHz has a high effect of activating damaged sensory cells and inducing neurotrophic factors, thereby reducing neuropathy in the affected area. It can be expected to enhance the effect of
  • the basic high-frequency signal shifter 117b of the signal wave output unit 117 of the device main body 101 changes the frequency of the biostimulation high-frequency signal within a range of, for example, 250 MHz ⁇ 10%.
  • the magnetic field generated by the biostimulation high-frequency signal does not become excessive, and the magnetic field generated by the high-frequency output coil is maintained appropriately. can be monitored as much as possible.
  • the magnetic therapy apparatus of the present invention can prevent output runaway due to the high-frequency output coil and ensure its safety. As a result, a high-intensity high-frequency alternating magnetic field for stimulating the affected area can be generated.
  • FIG. 6 is a graph showing, as an example, the output signal level and magnetic field strength of the biostimulation high-frequency signal output section 117f when the probe of the magnetic therapy apparatus of this embodiment is equipped with a magnetic field strength detection coil.
  • the horizontal axis of the graph shows the amplitude modulation data in 64 steps of high frequency
  • the vertical axis shows the magnetic field strength (high frequency detection coil) when the output level is raised from 0. Detected intensity values are shown.
  • the basic high-frequency signal shift section 117b of the signal wave output section 117 of the device main body 101 fluctuates the frequency of the biostimulation high-frequency signal within a predetermined range, and the probe 102 detects the biostimulation high-frequency signal, the magnetic field strength of the magnetic field generated from the biostimulation high-frequency signal is prevented from becoming excessive, and the high-frequency output coil generates The magnetic field can be moderately maintained.
  • the magnetic therapy apparatus of this embodiment prevents output runaway by the high-frequency output coil, supplies a high-strength biostimulation high-frequency signal within the EMI standard to the high-frequency coil, and produces a high-frequency signal for stimulation of the affected area with an appropriate magnetic field strength. It was proved that an alternating magnetic field can be generated.
  • the biostimulation low-frequency signal generation unit 117e of the signal wave output unit 117 of the apparatus main body 101 generates the biostimulation low-frequency signal from the magnetic signal pattern.
  • the biostimulation low-frequency signal output section 117 g outputs the biostimulation low-frequency signal to the low-frequency output coil 102 c of the probe 102 .
  • a low-frequency output coil 102c of the probe 102 is connected to a biostimulation low-frequency signal output section 117g of the signal wave output section 117 via a signal cable 103 to supply a biostimulation low-frequency signal.
  • the stimulation applied to the affected area by irradiating the affected area with the low-frequency alternating magnetic field for stimulating the affected area generated by the low-frequency output coil 102c by the low-frequency biostimulation signal is transmitted through sensory nerves (A ⁇ fibers: tactile sensation) to the spinal cord. Since it reaches the brain (sensory area) from the dorsal horn, it can be expected that the brain recognizes the pleasure of touch and activates the descending antinociceptive system to bring about analgesic and relaxing effects.
  • the basic high-frequency signal frequency modulation unit 117c of the signal wave output unit 117 included in the device main body 101 is the low-frequency biostimulation signal generated by the signal wave output unit 117, and the basic high-frequency signal The signal is frequency-modulated to generate a biostimulation high-frequency signal, and the biostimulation high-frequency signal output unit 117 f supplies the frequency-modulated biostimulation high-frequency signal to the high-frequency output coil 102 a of the probe 102 . Furthermore, the biostimulation high-frequency signal supplied to the high-frequency output coil 102a of the probe 102 is detected by the magnetic field intensity detection coil 102b of the probe 102.
  • the high-frequency alternating magnetic field for stimulating the affected area generated by the high-frequency output coil 102a by the high-frequency biostimulation signal frequency-modulated with the low-frequency biostimulation signal is monitored so as not to have excessive magnetic field strength. be. Therefore, by stimulating the cells in the affected area with the appropriate high-frequency alternating magnetic field, the damaged sensory cells in the affected area are activated more than in the absence of frequency modulation, and more neurotrophic factors are induced, resulting in neuropathy in the affected area. can be expected to be further reduced.
  • the signal wave output unit 117 of the apparatus main body 101 also generates and outputs a low-frequency biostimulation signal
  • the probe 102 is connected to the signal wave output unit 117 by the signal cable 103.
  • the probe 102 also has a low-frequency output coil 102c to which a biostimulation low-frequency signal is supplied from the signal wave output section 117 thereof.
  • the signal wave output unit 117 frequency-modulates the basic high-frequency signal with the low-frequency biostimulation signal to generate the high-frequency biostimulation signal, and outputs the high-frequency biostimulation signal separately from the low-frequency biostimulation signal.
  • the low-frequency alternating magnetic field for stimulating the affected area generated by the low-frequency signal for biostimulation is generated by the low-frequency output coil 102c.
  • a high-frequency signal for biostimulation obtained by frequency-modulating a basic high-frequency signal with a frequency signal detects a high-frequency wave generated by the high-frequency output coil 102a by the magnetic field strength detection coil 102b, and a suitable high-frequency alternating current for stimulation of the affected area in which the magnetic field strength is constantly detected. It is expected that the magnetic field will further reduce neuropathy in the affected area.
  • the frequency of the biostimulation low-frequency signal is 1 KHz or more and 3 KHz or less, and the low-frequency signal for biostimulation generates 1 KHz or more and 3 KHz or less in the low-frequency output coil 102c.
  • Stimulation by a low-frequency alternating magnetic field is particularly likely to reach the brain from the dorsal horn of the spinal cord via sensory nerves, and is expected to bring about a higher analgesic effect, a relaxing effect, and other neuropathy-reducing effects.
  • the high-frequency signal shifter 117b may shift the basic high-frequency signal of 250 MHz within a range of 250 MHz ⁇ 20%, for example.
  • the basic high-frequency signal frequency modulation unit 117c may generate a low-frequency biostimulation signal in a frequency range different from 1 kHz to 3 kHz, for example, 1 kHz to 3 kHz with a center frequency of 1.6 kHz.
  • the signal wave output unit of the apparatus main body generates and outputs the biostimulation signal wave of the first frequency
  • the probe formed separately from the apparatus main body has the first 1 coil (high-frequency output coil) is connected to the signal wave output section with a signal cable, and the signal wave for biostimulation of the first frequency output from the signal wave generation section is supplied, and the biostimulation of the first frequency is performed.
  • a high-frequency alternating magnetic field for stimulating the affected area is generated by the signal wave
  • a probe separate from the main body of the apparatus is applied to the affected area of the living body to irradiate the affected area with the high-frequency alternating magnetic field generated by the first coil, thereby stimulating the affected area.
  • stimulating cells for example, the stimulation activates damaged sensory cells in the affected area, induces neurotrophic factors, and can be expected to alleviate neuropathy in the affected area.
  • the signal wave output unit of the apparatus body detects the frequency of the biostimulation signal wave (biostimulation high-frequency signal) of the first frequency by the magnetic field intensity detection coil built into the probe. , and the magnetic field intensity of the magnetic field generated from the first coil (high-frequency output coil) can be detected. Therefore, in the magnetic therapy apparatus of the present invention, the magnetic field strength of the magnetic field generated in the first coil (high-frequency output coil) does not become excessive, and output runaway by the first coil (high-frequency output coil) is prevented. , it is industrially useful because its safety can be ensured.
  • Reference Signs List 100 magnetic therapy device 101 device body 102 probe 102a high-frequency output coil (first coil) 102b High frequency detection coil (magnetic field intensity detection coil) 102c low-frequency output coil (second coil) 102d Operating state detector 103 Signal cable 104 Casing 104a Casing opening 104b Casing protrusion 105 Display 106 Battery 107 Alarm stop button 108 Power switch button 109 Socket for plug 110 Plate-like probe housing 111 Circuit part (circuit storage part) 112 flexible thin plate 113 back surface (probe housing) 114 electric circuit 115 slit section 116 bridge section 117 signal wave output section 117a basic high frequency signal generation section 117b basic high frequency signal shift section 117c basic high frequency signal frequency modulation section 117d magnetic signal pattern reading section 117e biostimulation low frequency signal generation section 117f living body High frequency signal output unit for stimulation 117g Low frequency signal output unit for biostimulation 117h Operating state monitoring unit 118 Screen control unit 118a Image display unit 118b Instruction

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  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
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PCT/JP2023/002004 2022-01-25 2023-01-24 磁気治療装置 Ceased WO2023145705A1 (ja)

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WO2008056414A1 (en) 2006-11-08 2008-05-15 Medical Appliance Co., Ltd. Neurotrophic factor production accelerating apparatus
WO2008109058A1 (en) * 2007-03-01 2008-09-12 Finsterwald P Michael Magnetic stimulator
JP2013508119A (ja) 2009-10-26 2013-03-07 エムキネティクス， インコーポレイテッド 神経、筋肉および身体組織の電磁刺激のための方法および装置
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