JP2019093093A - Waveform generator - Google Patents

Abstract

To provide a waveform generator in which "rotation rubbing" and other senses can be obtained by using 2-pieces of output units and 3-pieces of electrodes, the wire connection mistake of an electrode and the entanglement of lead wire are hard to occur in the treatment, and also the arrangement of the electrode after the treatment is easy.SOLUTION: A waveform generator includes: first, second and third electrodes arranged in the positions serving as any triangular vertex of a living body surface, respectively; intermittent wave generating means for continuously outputting an intermittent wave of constituting 1-cycle by a high frequency portion having a first time width and a resting portion having a second time width at a predetermined low-frequency period; 2-phase signal oscillating means for oscillating first and second extremely low frequency signals having the same frequency; first output control means for performing amplitude modulation of the intermittent wave with the first extremely low frequency signal and outputting between the first electrode and the second electrode; and second output control means for performing the amplitude modulation of the intermittent wave with the second extremely low frequency signal and outputting between the first electrode and the third electrode. The first extremely low frequency signal and the second extremely low frequency signal are brought into a predetermined phase relationship, and a configuration is adopted in which the electrical stimulation is given to a living body.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a waveform generator for a biostimulation signal that effectively performs muscle training, relaxation, shape-up, muscle pain treatment, fatigue recovery, and the like by applying electrical stimulation to a living body.

  It is widely known that, by contacting electrodes (conductors and pads) to the surface of the living body and applying electrical pulse waves and sine waves, electrical stimulation can be given to muscles to obtain muscle activation and relaxation effects. A waveform generator for biostimulation signals has been put to practical use as a device or a health device.

  Conventionally, in this type of electrical biostimulation waveform generator, a low frequency therapeutic signal is applied between a pair of electrodes mounted on the surface of a patient's body. In addition, a multi-channel waveform generator has been proposed which can obtain the feeling of tracing the surface of a patient's body with a hand with an appropriate force and the feeling of "rotation scratch".

  For example, Patent Document 1 describes a waveform generation apparatus having a mode in which outputs from a plurality of output units (output control units) are sequentially performed at mutually offset times.

Unexamined-Japanese-Patent No. 2003-245363

  In the waveform generation device described in Patent Document 1, the outputs from the plurality of output units are sequentially performed with a time shift from each other, and one output unit requires a pair, that is, two electrodes, The output requires at least four electrodes.

  Furthermore, in paragraph 0040, it is described that the number of output parts is preferably three or more, particularly preferably four or more as shown in the embodiment, in order to obtain a sufficient sense of “rotation scratch”. In the group, eight electrodes are required, and there are problems such as wire connection error and lead wire entanglement at the time of treatment, and complication of electrode cleaning after treatment becomes complicated.

  The present invention solves such conventional problems, and it is possible to obtain sensations such as "rotary rubbing" with only two outputs (output control) and three electrodes, and at the time of treatment It is an object of the present invention to provide a waveform generator which is less likely to cause wire connection errors and lead wire tangles, and which makes it easier to clean up the electrode after treatment.

  The waveform generator according to the present invention comprises first, second and third electrodes respectively disposed at positions which become apexes of arbitrary triangles on the surface of a living body, a high frequency portion having a first time width, and a second time width Intermittent wave generating means for continuously outputting an intermittent wave constituting one cycle with a paused part having at a predetermined low frequency cycle, and a two-phase signal for oscillating first and second ultra low frequency signals having the same frequency Oscillation means, first output control means for amplitude modulating the intermittent wave outputted by the intermittent wave generation means with the first ultra low frequency signal and outputting it between the first electrode and the second electrode, and intermittent wave generation means A second output control means for amplitude-modulating the generated intermittent wave with a second ultra low frequency signal and outputting the result between the first electrode and the third electrode, the first ultra low frequency signal, and the second ultra low frequency A signal that has a predetermined phase relationship with the signal to give an electrical stimulus to the living body That.

  According to the present invention, it is possible to obtain sensations such as “rotational rubbing”, “upper and lower side rubbing”, and “right and left side rubbing” with only two output control units and three electrodes without changing the position of the electrode. It is possible to provide a waveform generator which is less likely to cause a wire connection error or lead wire tangling of the electrode at the same time, and it is easy to clean up the electrode after treatment.

A block diagram showing a configuration of a waveform generation device according to an embodiment of the present invention The figure for demonstrating generation | occurrence | production of the intermittent wave which the waveform generator which concerns on one embodiment of this invention generate | occur | produces. The figure for demonstrating the waveform generation (rotation sampling) which the waveform generation apparatus which concerns on one embodiment of this invention generate | occur | produces and outputs. The figure for demonstrating implementation of rotation sampling with the waveform which the waveform generation apparatus which concerns on one embodiment of this invention generate | occur | produces, and outputs it. The figure for demonstrating the waveform generation (upper and lower side seeing) which the waveform generation device concerning one embodiment of the present invention generates and outputs. The figure for demonstrating the waveform generation (right and left side view) which a waveform generation device concerning one embodiment of the present invention generates and outputs.

  Hereinafter, an embodiment of the present invention will be described in detail with reference to the drawings.

  FIG. 1 is a block diagram showing the configuration of a waveform generating apparatus according to an embodiment of the present invention, and a CPU (Central Processing Unit) 1, a continuous wave oscillating unit 2, an intermittent wave converting unit 3, a two-phase signal oscillating unit 4, first output control unit 5, second output control unit 6, waveform selection control panel 7, phase mode setting control panel 8, waveform strength setting control panel 9, first electrode 11, second electrode 12, and second Three electrodes 13 are provided.

  In the operation panel 7 for waveform selection, "inner training" and "relaxation" can be selected. In the operation panel 7 for waveform selection, the selection of "rotation", "upper and lower" and "left and right" and the speed can be dialed. The strength can be dialed on the waveform strength setting operation panel 9.

  FIG. 2 is a diagram for explaining generation of an intermittent wave generated by the waveform generation device according to one embodiment of the present invention. FIG. 2a is a diagram showing a waveform of a continuous high frequency wave of a frequency f1 output from the continuous wave oscillating unit 2 to the intermittent wave converting unit 3 based on the instruction value 101 output from the CPU 1.

  FIG. 2b shows a low frequency cycle 105 of a frequency f2 of which one cycle is composed of a continuous high frequency by a pause portion having a first time width 103 and a second time width 104 based on an instruction value 102 output from the CPU 1. The intermittent wave 106 is continuously converted from the intermittent wave converter 3 into an intermittent wave having the

  FIG. 3 is a diagram for explaining waveform generation (rotation sampling) generated and output by the waveform generation device according to the embodiment of the present invention.

  FIG. 3 a shows the intermittent wave 106 input to the first output control unit 5 and the second output control unit 6. FIG. 3 b is a diagram showing the state of the polarity value 111 of the first very low frequency signal output from the two-phase signal oscillating unit 4 to the first output control unit 5. FIG. 3 c is a diagram showing a state in which the polarity of the intermittent wave 106 changes in synchronization with the polarity of FIG. 3 b.

  FIG. 3 d is a diagram showing a change in the amplitude value 112 of the first very low frequency signal output from the two-phase signal oscillating unit 4 to the first output control unit 5. Although it is described in the form of a semicircle for convenience of drawing, the operation will be described in the case of a sine wave. FIG. 3e shows that the intermittent wave (c) whose polarity is changed is amplitude-modulated by the first very low frequency signal (d), and the first output wave 113 is output between the first electrode 11 and the second electrode 12 It is a figure which shows a state.

  FIG. 3 f is a diagram showing the state of the polarity value 116 of the second very low frequency signal output from the two-phase signal oscillating unit 4 to the second output control unit 6. FIG. 3 g is a diagram showing a state in which the polarity of the intermittent wave 106 changes in synchronization with the polarity of FIG. 3 f.

  FIG. 3 h is a diagram showing a change in the amplitude value 117 of the second very low frequency signal output from the two-phase signal oscillating unit 4 to the second output control unit 6. Although it is described in the form of a semicircle for convenience of drawing, the operation will be described in the case of a sine wave.

  The phase (d11, d12) of the second very low frequency signal output from the two-phase signal oscillating unit 4 to the second output control unit 6 is output from the two-phase signal oscillating unit 4 to the first output control unit 5 It shows that it is lagged by about 120 degrees with respect to the phase of the 1 very low frequency signal.

  FIG. 3i shows the state of the second output wave 118 in which the polarity-changed intermittent wave (g) is amplitude-modulated with the second ultra low frequency signal (h) and output between the first electrode 11 and the third electrode 13 FIG.

  The first electrode 11, the second electrode 12, and the third electrode 13 are disposed at respective positions which are the apexes of arbitrary triangles on the surface of the living body.

  FIG. 4 is a diagram for explaining the realization of a rotation sample of a waveform generated and output by the waveform generation device according to one embodiment of the present invention. Each figure of (a), (b) and (c) will be described later.

  FIG. 5 is a diagram for explaining generation of a waveform (upper and lower sides) generated and output by the waveform generation device according to the embodiment of the present invention.

  FIG. 5 a shows the intermittent wave 106 input to the first output control unit 5 and the second output control unit 6. FIG. 5 b is a diagram showing the state of the polarity value 111 of the first very low frequency signal output from the two-phase signal oscillating unit 4 to the first output control unit 5.

  FIG. 5 c is a diagram showing a change in the amplitude value 112 of the first very low frequency signal output from the two-phase signal oscillating unit 4 to the first output control unit 5. Although it is described in the form of a semicircle for convenience of drawing, the operation will be described in the case of a sine wave.

  FIG. 5 d is a diagram showing the state of the polarity value 116 of the second very low frequency signal output from the two-phase signal oscillating unit 4 to the second output control unit 6. FIG. 5 e is a diagram showing a change in the amplitude value 117 of the second very low frequency signal output from the two-phase signal oscillating unit 4 to the second output control unit 6. Although it is described in the form of a semicircle for convenience of drawing, the operation will be described in the case of a sine wave.

  The phase of the second ultra low frequency signal output from the two-phase signal oscillator 4 to the second output controller 6 is the first ultra low frequency signal output from the two phase signal oscillator 4 to the first output controller 5 It shows that the in-phase and the anti-phase are alternately repeated every cycle with respect to the phase of.

  FIG. 5 f represents FIGS. 5 b and 5 c as one waveform, and here, in the same way as the operation description, it is shown in a sine wave. FIG. 5g shows FIG. 5d and FIG. 5e by one waveform, and shows it in a sine wave like FIG. 5f.

  FIG. 6 is a diagram for explaining waveform generation (left and right side) generated and output by the waveform generation device according to the embodiment of the present invention.

  FIG. 6 a shows the intermittent wave 106 input to the first output control unit 5 and the second output control unit 6. FIG. 6 b is a diagram showing the state of the polarity value 111 of the first very low frequency signal output from the two-phase signal oscillating unit 4 to the first output control unit 5.

  FIG. 6 c is a diagram showing a change in the amplitude value 112 of the first very low frequency signal output from the two-phase signal oscillating unit 4 to the first output control unit 5. Although it is described in the form of a semicircle for convenience of drawing, the operation will be described in the case of a sine wave.

  FIG. 6 d is a diagram showing the state of the polarity value 116 of the second very low frequency signal output from the two-phase signal oscillating unit 4 to the second output control unit 6. FIG. 6e is a diagram showing a change in the amplitude value 117 of the second very low frequency signal output from the two-phase signal oscillating unit 4 to the second output control unit 6. Although it is described in the form of a semicircle for convenience of drawing, the operation will be described in the case of a sine wave.

  The phase of the second ultra low frequency signal output from the two-phase signal oscillator 4 to the second output controller 6 is the first ultra low frequency signal output from the two phase signal oscillator 4 to the first output controller 5 It indicates that the phase is substantially opposite to the phase of.

  FIG. 6 f shows FIGS. 6 b and 6 c as one waveform, and here, in the same way as the operation description, it is shown in a sine wave. FIG. 6g shows FIG. 6d and FIG. 6e by one waveform, and shows it in a sine wave like FIG. 6f.

  Next, the "rotating scratch" effect will be described.

  In the waveform selection control panel 7, for example, a menu selection of "inner training", a menu of "rotation" on the phase mode setting control panel 8, and, for example, "speed: 2" of a scale of "speed" 1 to 10 When the dial setting is made on the dial 10, and the value "intensity: 30" of the scale from "intensity" 0 to 30, for example, the CPU 1 sets the value to a predetermined setting condition. Based on the control, the continuous wave oscillating unit 2 is controlled by the indication value 101, and the pulse frequency f1 oscillates a continuous high frequency of, for example, 600 kHz and outputs it to the intermittent wave converting unit 3.

  The CPU 1 controls the intermittent wave conversion unit 3 with the instruction value 102, and for example, the continuous high frequency f1 changes in the first time width 103 in the range of 50 μs to 400 μs at the third very low frequency cycle 20 Hz. The frequency f2 is output to the first output control unit 5 and the second output control unit 6 as the intermittent wave 106 having the low frequency period 105 which changes in the range of 1 kHz to 10 kHz in the fourth ultra low frequency period 5 Hz.

  A state in which the first time width 103 and the frequency f2 periodically change is not shown. Also, the third ultra low frequency cycle and the fourth ultra low frequency cycle may be synchronous or asynchronous, and the third ultra low frequency cycle or the fourth ultra low frequency cycle does not change and is fixed. Also good.

  By changing the third or fourth ultra-low frequency cycle, the stimulus to the living body can be changed, and the inner training and relaxation effects can be enhanced.

  The CPU 1 sets 1 Hz as the frequency value 151 of the first and second very low frequency signals f3 to the two-phase signal oscillating unit 4 based on the selection and setting values from the operation panels 7, 8 and 9 and the program setting values. Of the phase 111 of the second ultra low frequency signal output to the second output control unit 6 and the phase 111 of the first ultra low frequency signal output to the first output control unit 5 For example, 40 V is output corresponding to the value of “intensity: 30” as a delay of 120 degrees with respect to the phase, and the maximum value 153 of the amplitude value 112 and the amplitude value 117.

  When the two-phase signal oscillated by the two-phase signal oscillation unit 4 is expressed as Asin (θ) for the first output control unit 5 and Asin (θ + φ) for the second output unit 6, φ = −120 degrees Can be shown. “A” is the maximum amplitude value 153.

  The two-phase signal oscillation unit 4 has a timing for each cycle of the first output wave 113 defined by the polarity value 111 and the amplitude value 112 of the first very low frequency signal, and the polarity value 116 of the second very low frequency signal. And the timing of one cycle of the second output wave 118 defined by the amplitude value 117 are output to the CPU 1 as the timing signal 154.

  That is, the two-phase signal oscillator 4 informs the CPU 1 of the timing of integral multiple of θ = 360 degrees and the timing of integral multiple of θ + φ = 360 degrees, and maintains synchronization between the two-phase signals.

  The two-phase signal oscillation unit 4 is based on Asin (θ), and the first output control unit 5 has the polarity value 111 of the first very low frequency signal shown in FIG. 3b and the amplitude value of the first very low frequency signal shown in FIG. 112, and based on Asin (θ + φ), the second output control unit 6 has the polarity value 117 of the second very low frequency signal shown in FIG. 3f and the amplitude value 117 of the second very low frequency signal shown in FIG. Output

  The first output control unit 5 changes the intermittent wave 106 shown in FIG. 3a by the polarity value 111 of the first very low frequency signal shown in FIG. 3b, and the first very low frequency signal shown in FIG. The amplitude modulation is performed according to the amplitude value of (1), and the waveform shown in FIG. 3 e is output as the first output wave 113 between the first electrode 11 and the second electrode 12.

  The second output control unit 6 changes the intermittent wave 106 shown in FIG. 3a by the polarity value 116 of the second very low frequency signal shown in FIG. 3f. The second very low frequency signal shown in FIG. The amplitude modulation is performed according to the amplitude value of (1), and the waveform shown in FIG.

  In the case where the first electrode 11, the second electrode 12, and the third electrode 13 are disposed at respective positions which become the apexes of a triangle as shown in FIG. The voltage vectors P1, P2, P3 'and P3 in FIG. 4 represent only the vectors, that is, the directions and the magnitudes, and do not indicate up to the reference position of voltage application.

  The first output wave 113 is applied as a voltage represented by vector P1 in the direction from the first electrode 11 to the second electrode 12, and as shown in FIG. 4c, a phase angle d1 whose phase is delayed by 60 degrees from the reference point In this case, the second output wave 118 is applied as a voltage represented by the vector P2 in the direction from the third electrode 13 to the first electrode 11 at a phase angle d2 delayed by 120 degrees from the vector P1.

  Since the composite vector (P1 + P2) of the vector P1 and the vector P2 is applied with a voltage represented by the vector P3 'in the direction from the third electrode 13 to the second electrode 12 as shown by the broken line in FIG. From the second electrode 12 to the third electrode 13, a voltage represented by a vector P3 of-(P1 + P2) is applied.

  That is, as shown in FIG. 4c, the vector P3 becomes a power supply of the phase angle d3 delayed by 120 degrees from the vector P2 and the effect of "rotation scratching" can be realized.

  Depending on the positional relationship between the first electrode 11, the second electrode 12, and the third electrode 13, whether it feels right rotation or left rotation changes.

  Also, even with the same positional relationship between the first electrode 11, the second electrode 12, and the third electrode 13, the second output wave 118 delayed in phase by 120 degrees from the first output wave 113 or the first output wave It is also possible to switch between "right-handed rotation" and "left-handed rotation" depending on whether the second output wave 118 has a phase advanced from 113 to 120 degrees.

  The phase delay or phase lead (φ) of the second output wave 118 with respect to the first output wave 113 does not have to be strictly ± 120 degrees to produce the effect of “rotating”, and may be approximately ± 120 degrees. . Further, depending on the shape of the triangle formed at the position of the first electrode 11, the second electrode 12, and the third electrode 13, the rotation speed of the "rotation file" may be uniform or non-uniform.

  By changing the frequency value 151 on the operation panel 8 for phase mode setting, it is possible to change the rotational speed of the “rotation file”. By setting the frequency value 151 to about 0.05 Hz, a slow "spin" effect can be obtained.

  When the frequency value 151 is increased, the rotational speed of the "rotating scratch" effect is increased, and when the frequency is increased to about 10 Hz, the "rotating scratch" can obtain the effect of "surface scratching" continuously at high speed. . The setting of the frequency value 151 may be made continuously variable or may be made stepwise.

  The low frequency period 105 of the intermittent wave 106 is set to 1 kHz to 10 kHz based on the fact that this frequency range can sense various changes in sensation.

  Also, as the high frequency, any frequency whose pulse frequency f1 is 10 kHz to 650 kHz can be used. It is generally said that the higher frequency penetrates the back of the living body. It is also said that the higher the frequency is, the less the skin feels on the surface of the living body, and the frequency may be selected according to the purpose.

  The lower limit of 10 kHz is based on setting the upper limit of the low frequency period 105 of the intermittent wave 106 to 10 kHz.

  The upper limit of 650 kHz is practically three-dimensionally or planarly bundling three electrode lead wires from the waveform generator main body in order to make it easy for the operator of the waveform generator to perform lead wire processing. The structure is divided around the electrode arranged on the surface of the living body, and if it is set to 650 kHz or more, the influence of signal attenuation etc. becomes remarkable due to the stray capacitor of the bundled portion.

  If three lead wires are separated out without being bundled from the main body of the waveform generator, it can be implemented up to about 1 MHz.

  Further, although the case of selecting the menu "Inner Training" on the waveform selection control panel 7 has been described, it goes without saying that other menus such as "relaxation" may be set.

  Next, the "upper and lower side" effect and the "right and left side" effect will be described. As shown in FIG. 1, the following “upper and lower haze” and “left and right haze” indicate that the first electrode 11 is a triangle upper vertex second electrode 12 is a triangle base left vertex, and the third electrode 13 is a triangle base right vertex In the case of It goes without saying that if the positional relationship between the first electrode 11, the second electrode 12 and the third electrode 13 is changed, the positional relationships such as "upper and lower" and "left and right" change relatively.

  The settings of the waveform selection control panel 7 and the waveform strength setting control panel 9 are not particularly required to be changed from the "rotation file". When the menu of “upper and lower” is selected on operation panel 8 for phase mode setting, CPU 1 selects two-phase signal oscillating unit 4 based on the selection and setting values from each operation panel 7, 8 and 9 and the program setting value. On the other hand, only the phase relationship 152 between the first output wave 113 and the second output wave 118 is changed.

  The CPU 1 sets the phase 152 to the two-phase signal oscillating unit 4 and sets the polarity value 116 of the second very low frequency signal in phase with the polarity value 111, that is, φ = 0 degrees in the first cycle. Then, the timing signal 154 is output to the CPU 1 at the end of the first cycle.

  In the second cycle, the CPU 1 changes the phase 152 to the two-phase signal oscillator 4 and changes the polarity value 116 of the second very low frequency signal to the opposite phase to the polarity value 111, that is, φ = 180 degrees. The timing signal 154 is output to the CPU 1 at the end of the second cycle.

  In the third cycle, the CPU 1 returns to φ = 0 degrees. As described above, φ is alternately changed to 0 degrees and 180 degrees in each cycle of the second very low frequency signal.

  The two-phase signal oscillating unit 4 is shown in FIG. 5 c with the polarity value 111 of the first very low frequency signal shown in FIG. 5 b in the first output control unit 5 based on Asin (θ) as in the case of “rotating”. The amplitude value 112 of the first very low frequency signal is output, and based on Asin (θ + φ), the second output control unit 6 is shown with the polarity value 117 of the second very low frequency signal shown in FIG. The amplitude value 117 of the very low frequency signal is output.

  The first output control unit 5 changes the intermittent wave 106 shown in FIG. 5a with the polarity value 111 of the first very low frequency signal shown in FIG. 5b to generate a waveform similar to that shown in FIG. 3c (not shown). The amplitude modulation is performed with the amplitude value of the first very low frequency signal shown in FIG. 3E, and the same waveform as shown in FIG. 3e is output (not shown) as the first output wave 113 between the first electrode 11 and the second electrode 12.

  The second output control unit 6 changes the intermittent wave 106 shown in FIG. 5a by the polarity value 116 of the second very low frequency signal shown in FIG. 5d to generate a waveform similar to that shown in FIG. 3c (not shown). The amplitude modulation is performed with the amplitude value of the second ultra low frequency signal indicated by and the waveform similar to FIG. 3 e is output (not shown) as the second output wave 118 between the first electrode 11 and the third electrode 13.

  If the polarity value 111 shown in FIG. 5b is in phase with the polarity value 116 shown in FIG. 5d, ie, if pf in FIG. 5f and FIG. 5g are in phase, and if the polarity values 111 and 116 are in antiphase That is, assuming that p2 in FIG. 5 f and FIG. 5 g have opposite phases, only the second electrode 12 and the third electrode 13 are felt at p1 of the same phase, and only the first electrode 11 is felt at p2 of the opposite phase. By alternately repeating p1 and p2, the "upper and lower side" effect can be realized.

  When the frequency value 151 is about 0.05 Hz, a slow "upper and lower side" effect can be obtained. When the frequency value 151 is increased, the up and down moving speed of the "upper and lower side" effect becomes faster, and when the frequency is increased up to about 10 Hz, the sense of "upper and lower side" can not be obtained.

  Next, "left and right" will be described. There is no need to change the settings of the waveform selection control panel 7 and the waveform strength setting control panel 9, and when the menu "left / right" is selected on the phase mode setting control panel 8, the CPU 1 selects each operation panel 7, Only the phase relationship 152 between the first output wave 113 and the second output wave 118 is changed with respect to the two-phase signal oscillating unit 4 based on the selection and setting values from 8 and 9 and the program setting value, φ = approximately 180 To

  The two-phase signal oscillating unit 4 is shown in FIG. 6 c with the polarity value 111 of the first very low frequency signal shown in FIG. 6 b in the first output control unit 5 based on Asin (θ) as in the “rotation file”. The amplitude value 112 of the first very low frequency signal is output, and based on Asin (θ + φ), the second output control unit 6 is shown with the polarity value 116 of the second very low frequency signal shown in FIG. The amplitude value 117 of the very low frequency signal is output.

  As in the case of the “rotation file”, the two-phase signal oscillator 4 performs one cycle of the first output wave 113 defined by the polarity value 111 and the amplitude value 112 of the first very low frequency signal with respect to the CPU 1 The timing signal 154 for each cycle and the timing signal 154 for each cycle of the second output wave 118 defined by the polarity value 116 and the amplitude value 117 of the second very low frequency signal are output.

  That is, the two-phase signal oscillation unit 4 notifies the CPU 1 of the timing of θ = 360 degrees and the timing of θ + φ = 360 degrees to maintain synchronization between the two phase signals.

  The first output control unit 5 changes the intermittent wave 106 shown in FIG. 6a by the polarity value 111 of the first very low frequency signal shown in FIG. 6b to generate a waveform similar to FIG. 3c (not shown), The amplitude modulation is performed with the amplitude value 112 of the first very low frequency signal shown by, and a waveform similar to FIG. 3e is output (not shown) as the first output wave 113 between the first electrode 11 and the second electrode 12 .

  The second output control unit 6 changes the intermittent wave 106 shown in FIG. 6a by the polarity value 116 of the second very low frequency signal shown in FIG. 6d to generate a waveform similar to FIG. 3c (not shown), The amplitude is modulated with the amplitude value 117 of the second ultra low frequency signal shown by, and a waveform similar to FIG. 3e is output (not shown) as the second output wave 118 between the first electrode 11 and the third electrode 13 .

  By alternately repeating the first output wave 113 positive and the second output wave 118 negative half cycle, and the first output wave 113 negative and the second output wave 118 positive half cycle alternately, “left and right side” The effect can be realized.

  When the frequency value 151 is about 0.05 Hz, a slow "right and left side" effect can be obtained. As the frequency value 151 is increased, the left and right moving speed of the "right and left side effect" becomes faster, and when the frequency is increased to about 10 Hz, the sense of "side and side" does not occur.

  Further, as indicated by the broken line 201 in FIG. 6g, the phase of the second output wave 118 with respect to the first output wave 113 is, for example, 30 degrees from the state where the polarity is inverted (φ = approximately −180 degrees). By advancing (φ = approximately −150 degrees), it is possible to realize the “stroke from right to left” state.

  Conversely, as indicated by the broken line 202 in FIG. 6g, the phase of the second output wave 118 with respect to the first output wave 113 is, for example, 30 degrees from the state where the polarity is reversed (φ = approximately −180 degrees), By further delaying (φ = approximately −210 degrees), the “left to right” state can be realized.

  The degree of further advancing or delaying from φ = approximately −180 degrees is not limited to 30 degrees, and an effect of about 10 degrees to about 30 degrees is likely to be effective. If it's around 10 degrees, it feels like it's light and it feels like it's strong when it's around 30 degrees.

  As described above, according to the present embodiment, the sense of "rotary rubbing", "upper and lower rubbing" and "left and right rubbing" are changed by changing the position of the electrode with only two output control units and three electrodes. Accordingly, it is possible to provide a waveform generator which can be obtained, an electrode connection error at the time of treatment, a lead wire entanglement hardly occur, and electrode cleaning after treatment can be easily performed.

  The above description is an illustration of a preferred embodiment of the present invention, and the scope of the present invention is not limited to this.

Industrial Applicability

  The waveform generation device according to the present invention is suitable as a waveform generation device of a signal for biostimulation to effectively perform muscle training, relaxation, shape-up, muscle pain treatment, fatigue recovery and the like by giving an electrical stimulation to a living body. .

1 CPU
2 Continuous wave oscillation unit 3 Intermittent wave conversion unit 4 Two-phase signal oscillation unit 5 First output control unit 6 Second output control unit 7 Operation panel for waveform selection 8 Operation panel for phase mode setting 9 Operation panel for waveform intensity setting 11th 1 electrode 12 2nd electrode 13 3rd electrode 101, 102 indication value 103 1st time width 104 2nd time width 105 low frequency cycle 106 intermittent wave 111, 116 polarity value 112, 117 amplitude value 113 1st output wave 118 Second output wave 151 Frequency value 152 Phase relation 153 Amplitude maximum value 154 Timing signal

FIG. 2b shows a low frequency conversion value of f2 that constitutes one cycle of the continuous high frequency wave based on the instruction value 102 output from the CPU 1 and the rest portion having the first time width 103 and the second time width 104. FIG. 7 is a diagram showing an intermittent wave 106 which is converted into an intermittent wave having a frequency cycle 105 and continuously output from the intermittent wave conversion unit 3.

CPU1, to the intermittent wave conversion unit 3, and controlled by the indication value 102, for example, change the range continuous frequency f1 from the first time width 103 50μ seconds 400μ seconds in the third ultra-low frequency 20Hz , frequency f2 as an intermittent wave 106 having a low frequency cycle 105 to change the range of 10kHz from 1kHz fourth ultra-low frequency 5 Hz, and outputs the first output control unit 5 and the second output control section 6.

A state in which the first time width 103 and the frequency f2 periodically change is not shown. The third may be ultra-low frequency and fourth ultra-low frequency asynchronous be out of sync, even without change in the third ultra low frequency or fourth ultra-low frequency, a fixed Also good.

Third varying the ultra-low frequency or fourth ultra-low frequency can change a stimulus to a living body, it is possible to increase the inner training and relaxation.

Further, the frequency conversion value of the low frequency period 105 of the intermittent wave 106 is 1 kHz to 10 kHz based on the fact that this frequency range can sense various changes in bodily sensation.

The lower limit of 10 kHz is based on setting the upper limit of the frequency conversion value of the low frequency period 105 of the intermittent wave 106 to 10 kHz.

Claims (9)

  One cycle of first, second and third electrodes respectively arranged at positions that become apexes of arbitrary triangles on the living body surface, a high frequency part having a first time width and a rest part having a second time width Intermittent wave generating means for continuously outputting the intermittent wave to be configured at a predetermined low frequency cycle, two-phase signal oscillating means for oscillating the first and second ultra low frequency signals having the same frequency, and the intermittent wave generation A first output control means for amplitude-modulating the intermittent wave outputted by the means with the first ultra low frequency signal and outputting it between the first electrode and the second electrode; and the intermittent wave outputted by the intermittent wave generation means And second output control means for amplitude-modulating the second ultra low frequency signal and outputting the result between the first electrode and the third electrode, the first ultra low frequency signal and the second It is characterized in that the low frequency signal has a predetermined phase relationship. Waveform generating device for providing electrical stimulation to the living body.   The waveform generation apparatus according to claim 1, wherein the frequency of the high frequency is 10 KHz or more and 650 KHz or less.   The waveform generating apparatus according to claim 1 or 2, wherein the low frequency cycle is 1 kHz or more and 10 kHz or less.   The waveform generation apparatus according to any one of claims 1 to 3, wherein the frequencies of the first ultra low frequency signal and the second ultra low frequency signal are 0.05 Hz or more and 10 Hz or less.   The predetermined phase relationship is characterized in that the phase of the second very low frequency signal leads or lags by approximately 120 degrees with respect to the phase of the first very low frequency signal. The waveform generator according to any one of items 1 to 4.   The predetermined phase relationship is that either one of the phase of the first very low frequency signal and the phase of the second very low frequency signal alternately repeats the same phase and the opposite phase every other cycle with respect to the other. The waveform generator according to any one of claims 1 to 4, characterized in that   5. The method according to any one of claims 1 to 4, wherein the predetermined phase relation is that the phase of the first very low frequency signal and the phase of the second very low frequency signal are substantially opposite in phase. A waveform generator as described in Item.   From the relationship between the phase of the first very low frequency signal and the phase of the second very low frequency signal that is substantially opposite in phase, there is a phase delay or lead within a range of 10 degrees to 30 degrees. The waveform generator according to claim 7, wherein   The waveform generator according to any one of claims 1 to 8, wherein the first time width is changed to a third ultra low frequency cycle, and the low frequency cycle is changed to a fourth ultra low frequency cycle. .

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