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WO2006123414A1 - Dispositif ultrasonique de stimulation de corps vivant - Google Patents

Dispositif ultrasonique de stimulation de corps vivant Download PDF

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Publication number
WO2006123414A1
WO2006123414A1 PCT/JP2005/009169 JP2005009169W WO2006123414A1 WO 2006123414 A1 WO2006123414 A1 WO 2006123414A1 JP 2005009169 W JP2005009169 W JP 2005009169W WO 2006123414 A1 WO2006123414 A1 WO 2006123414A1
Authority
WO
WIPO (PCT)
Prior art keywords
ultrasonic
transducer
frequency
amplitude
switching
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/JP2005/009169
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English (en)
Japanese (ja)
Inventor
Tatsuyuki Kobayashi
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.)
Techno Link Co Ltd
Original Assignee
Techno Link 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 Techno Link Co Ltd filed Critical Techno Link Co Ltd
Priority to PCT/JP2005/009169 priority Critical patent/WO2006123414A1/fr
Priority to JP2007516169A priority patent/JP4605548B2/ja
Publication of WO2006123414A1 publication Critical patent/WO2006123414A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N7/00—Ultrasound therapy
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N7/00—Ultrasound therapy
    • A61N2007/0078—Ultrasound therapy with multiple treatment transducers

Definitions

  • the present invention relates to an ultrasonic biostimulation apparatus for stimulating a living body by ultrasonic vibration of ultrasonic probe force attached to the living body.
  • a plurality of ultrasonic transducers are disposed on an ultrasonic probe attached to a treatment site of a living body, and ultrasonic vibrations emitted from the ultrasonic probe are used. Stimulate the treatment site.
  • an ultrasonic probe provided with a plurality of ultrasonic transducers is detachably connected to the drive circuit unit on the main body side, and the drive circuit unit force is supplied.
  • Each ultrasonic transducer oscillates and the living body is irradiated with ultrasonic waves by the driving power that is generated.
  • another patent document 2 arranges a plurality of ultrasonic transducers in a planar manner so that at least a part of position forces thereof can be changed three-dimensionally with each other.
  • an apparatus capable of reducing the burden on the practitioner when applying ultrasonic waves to a wide area of a living body.
  • the transducer groups driven by different drive systems are arranged in a rhombus pattern, and each transducer group is driven on-off at opposite timings to average the irradiation amount of ultrasonic waves. It is.
  • Patent Document 1 Japanese Patent Application Laid-Open No. 2005-28027
  • Patent Document 2 International Publication WO 01 Z 89 723
  • Patent Document 2 the problem is solved by disposing a plurality of ultrasonic transducers in a wide range, but even if the amount of ultrasonic waves of ultrasonic probe force is averaged, it is If the acoustic probe is not powered to some extent along the body, the patient will still feel pain
  • the range in which the ultrasonic probe is moved is also extended by that amount, causing a problem that the treatment time becomes longer.
  • the present invention provides an ultrasonic biostimulation apparatus capable of irradiating an appropriate amount of ultrasonic waves over a wide range of a living body without the need for the practitioner to power the ultrasonic probe, thereby shortening the treatment time. To that purpose.
  • An ultrasonic biostimulation apparatus comprises an ultrasonic probe in which a plurality of ultrasonic transducers are arranged in a plane and these ultrasonic transducers are fixed to a living body, and each of the ultrasonic waves.
  • the driving power from the driving means is excessive at a level at which the ultrasonic energy generated by the ultrasonic probe force is not concentrated locally. It is given to the sound wave vibrator while switching at any time. Therefore, it is possible to irradiate an appropriate amount of ultrasound over a wide area of the living body without having to move the ultrasound probe which can not be focused on locally and be given ultrasound energy from the ultrasound probe, and the treatment time is reduced. It can be shortened.
  • the switching means is configured such that the ultrasonic transducers can be vibrated one by one or plural ones or all at the same time.
  • the ultrasonic energy can be given while changing the position in the spot shape, and if the number of vibrations of the ultrasonic transducer is large, Ultrasonic energy can be applied in a two-dimensional area. for that reason, While the ultrasonic probe is attached to the living body, the range to which the ultrasonic vibration is applied can be freely changed, and various patterns of stimulation can be obtained to obtain more effective treatment effects.
  • the number of switching times by the switching means is set per second.
  • the switching means is configured to automatically switch the vibration of the ultrasonic vibrator at random speed and position !.
  • the ultrasonic biostimulation apparatus further includes an amplitude variable means for changing the amplitude of the drive power.
  • the ultrasonic biostimulation apparatus further includes an amplitude control unit that variably controls the amplitude of the drive power during the vibration of the ultrasonic transducer.
  • the intensity of the ultrasonic energy can be changed randomly or regularly during the vibration of the ultrasonic transducer, and it becomes possible to carry the stimulation energy by ultrasonic energy.
  • the ultrasonic biostimulation apparatus of the present invention further includes frequency control means for variably controlling the frequency of the drive power while the ultrasonic transducer is vibrating.
  • the ultrasonic biostimulation apparatus of the present invention is the same as when a person moves the ultrasonic probe.
  • the switching means is configured to switch the vibration of the ultrasonic transducer at a speed and a position.
  • the ultrasonic biostimulation apparatus is characterized in that the switching means is incorporated in the ultrasonic probe.
  • the wires between the switching means having a large number of wires and the ultrasonic transducers can be accommodated in the ultrasonic probe, and a highly reliable device can be provided.
  • a transducer sensing unit that senses a resonant frequency or impedance of the ultrasonic transducer, and a detection result of the transducer based on the transducer sensing unit, And D. correction means for correcting frequency or amplitude.
  • the ultrasonic transducer can not avoid variations in resonant frequency and impedance in manufacturing, the resonant frequency or impedance of the ultrasonic transducer is sensed by the transducer sensing means, and the sensed result is Accordingly, since the frequency or amplitude of the drive power can be appropriately corrected, the ultrasonic transducer force can also generate ultrasonic energy efficiently.
  • the ultrasonic biostimulation apparatus when the ultrasonic transducer is in operation, sensing results are taken in from the transducer sensing means every fixed time, and the frequency or amplitude of the driving power is Configure the correction means to correct! /.
  • the ultrasonic biostimulation apparatus of the present invention even if the operator does not have to use an ultrasonic probe, it is possible to irradiate an appropriate amount of ultrasonic waves to a wide area of the living body, thereby shortening the treatment time.
  • reference numeral 1 denotes an ultrasonic probe which contacts a human body, which is a living body, which is made of a sheet material such as metal, resin or flexible rubber capable of transmitting ultrasonic waves 2 (ultrasonic conductive substance)
  • a plurality of ultrasonic transducers 3 (3, 3 and -3) are arranged in a plane on one side 2A, and these ultrasonic
  • the number of ultrasonic transducers 3 to be attached to the sheet material 2 may be two or more. Further, the shape and size of the ultrasonic probe 1 and the ultrasonic transducer 3 are not particularly limited, as appropriate, according to the application. Then, by providing the ultrasonic transducer 3, the flat other side surface 2 B of the sheet material 2 is formed as a sticking surface to a living body.
  • Reference numeral 10 denotes a main body formed in, for example, a box shape, and the ultrasonic probe 1 is detachably connected to a connector 11 attached to the main body 10.
  • a drive circuit unit 12 serving as a drive unit serving as a drive source of the ultrasonic vibrator 3 and drive power from the drive circuit unit 12 are sequentially switched to the ultrasonic vibrators 3, 3, and -3. Vibration as switching means
  • a child switching unit 13 and a CPU 14 as control means for controlling the drive circuit unit 12 and the vibrator switching unit 13 are provided.
  • an input unit 15 which is a switch capable of sliding or pushing or the like is connected to an input port of the CPU 14, and an informing unit 16 for performing sound or display on the output port (sound output unit or display Means are connected.
  • the switching control signal for driving the desired ultrasonic transducers 3, 3 and 3 is driven from the CPU 14.
  • the switching control signal may be sent directly to the CPU 14 and the transducer switching unit 13.
  • the transducer switching unit 13 is incorporated into the ultrasonic probe 1 which is not included in the main body 10.
  • the transducer switching unit 13 has respective ultrasonic transducers 3, 3,
  • the wiring corresponding to the number of the movers 3 is required, but if the transducer switching unit 13 is provided on the ultrasonic probe 1 side, the number of wires of the connection cable with the main unit 10 can be reduced, and the reliability is high. It can provide the device.
  • the signal generation unit 22 provided with the oscillator 21 and the oscillation output from the signal generation unit 22 are power amplified to In response to a frequency control signal from the CPU 14 and a power amplification unit 23 for converting the acoustic wave oscillator 3 into a drive power signal (drive signal) capable of operating, the oscillation output and thus the drive signal frequency is variably set.
  • Frequency setting means 24, Amplitude setting means 25 which receives the amplitude control signal from the CPU 14 and variably sets the amplitude of the oscillation output and hence the drive signal, and each ultrasonic transducer 3,
  • Transducer detection which detects the current flowing through 3 and -3 and outputs the detection result to the CPU 14
  • the signal generation unit 22 used here is a PLL (Phase (Phase) circuit in order to obtain an oscillation output with high V and high stability under the influence of temperature and the like.
  • FIG. 3 shows a functional configuration of the CPU 14.
  • the CPU 14 generates a reference clock signal and outputs it to each means in the CPU 14.
  • the oscillation unit 31 for controlling the signal generator 22 and the oscillator output control unit 32 Children 3, 3,
  • a vibrator switching control means 33 for controlling the driving of the circuit. oscillation
  • the output control means 32 outputs a signal control signal for setting the frequency and the amplitude of the oscillation output from the signal generation unit 22 to the frequency setting means 24 and the amplitude setting means 25.
  • the frequency setting means 24 sets the frequency of the oscillation output
  • the amplitude setting means 25 sets the amplitude of the oscillation output.
  • the transducer switching control means 33 outputs a switching control signal indicating which ultrasonic transducer 3, 3, -3 is to be driven.
  • the transducer switching unit 13 In response to this switching control signal, the transducer switching unit 13 outputs to the transducer switching unit 13 one by one or a plurality of them, otherwise all ultrasonic transducers 3, 3, and -3.
  • the driving signal is given every predetermined time or random time for 1 2 10.
  • the signal generation unit 22 may be configured to supply an oscillation output having a fixed frequency and Z or amplitude consistently to the power amplification unit 23 during the operation.
  • the frequency setting means 24 and the amplitude setting means 25 do not need to receive the signal control signal from the CPU 14.
  • the signal control signal corresponding to the input operation from the input means 15 is CP so that the practitioner can arbitrarily change the frequency and Z or amplitude of the oscillation output. It may be configured to be output to the U14 force frequency setting means 24 and Z or the amplitude setting means 25. In this way, each time the practitioner operates a specific switch or the like of the input means 15, the frequency and the amplitude of the drive signal can be freely varied.
  • the oscillation output control means 32 in the present embodiment is based on the detection result from the transducer detection means 26.
  • Frequency correction means 36 for detecting the resonance frequency of the ultrasonic transducer 3 to correct the frequency of the oscillation output generated from the signal generation unit 22 to an optimal value, and one ultrasonic wave by the transducer switching unit 13
  • Amplitude correction means 37 is provided to correct the value to a value.
  • the CPU 14 preferably switches the order of switching of the preferred ultrasonic transducers 3, 3 and -3, and driving power.
  • Drive pattern storage means 38 for storing a plurality of drive patterns consisting of the amplitude A and the frequency f.
  • the CPU 14 calls up a specific drive pattern from the drive pattern storage means 38 by the operation from the input means 15, and according to this drive pattern, the ultrasonic transducer 3
  • a drive pattern for switching the vibration of the ultrasonic transducers 3, 3 and -3 is stored at the same speed and position as when a person powered the ultrasonic probe.
  • driving power is sent out by branching from the single drive circuit unit 12 having one oscillator 21 to each of the ultrasonic transducers 3, 3 and -3.
  • the opening / closing means 13, 13, to 13 mentioned here are, for example, relays.
  • FIG. 5 shows various modifications. Each portion from the transducer switching unit 13 to the ultrasonic transducer 3 shown in FIG. 4 is configured as a vibration output unit 8 that applies a vibration to a living body. In FIG. 5, a plurality of vibration output units 8, 8, 8... Are connected to a CPU 14 which is a control means.
  • the ultrasonic probe 1 can be attached to a plurality of treatment sites (for example, shoulder, waist, knee, etc. simultaneously) in accordance with the patient's condition.
  • the ultrasonic probe 1 which is not used during the operation can be cleaned up.
  • the other side 2B of the sheet material 2 is attached to the treatment site in advance, and the ultrasound probe 1 is attached and fixed to the human body by a belt or the like (not shown).
  • the ultrasonic probe 1 can be attached and fixed to a plurality of treatment sites.
  • a specific drive pattern is called out from the drive pattern storage means 38 by the operation of the input means 15, and pressing the start switch of the input means 15, for example.
  • the components in the main unit 10 start operating, and the oscillation output is supplied from the signal generation unit 22 of the drive circuit unit 12 to the power amplification unit 23, and the power amplification unit 23 vibrates the ultrasonic transducers 3, 3, and -3. A drive signal of sufficient power is generated. Also
  • the transducer switching unit 13 receives the switching control signal from the CPU 14 so that the ultrasonic energy emitted from the ultrasonic probe 1 is not concentrated locally when the ultrasonic probe 1 is fixed to the human body.
  • drive power may be supplied sequentially to each of, and -3, as shown in FIG.
  • the switching means 13 is turned on in the section B, and the single ultrasonic transducer 3
  • Driving power is given to 1 1, and in the next section C, the switching means 13 is turned on and a single ultrasonic wave is generated.
  • Driving power is applied to the vibrator 3 and the other ultrasonic transducers 3 -13 are sequentially driven in the same manner.
  • a time lag may be provided to further enhance the safety to the living body.
  • an appropriate amount of ultrasonic energy will be given to the treatment site of the human body while changing the position like a spot.
  • the opening / closing means 13 is turned on in section B and one ultrasonic vibration is generated.
  • the stage 13 is turned on to apply driving power to the three ultrasonic transducers 3, 3, 3, and the following section E
  • Another switching means 13 is turned on to supply drive power to the three ultrasonic transducers 3, 3, 3,
  • drive power is provided to replace the plurality (in this case, three) of ultrasonic transducers 3. That is, in this case, an appropriate amount of ultrasonic energy is given to the treatment site of the human body while changing the position in a two-dimensional area.
  • the drive patterns of the ultrasonic transducers 3, 3,--3 shown in FIG. 6 and FIG. 7 are merely examples.
  • any driving pattern may be adopted as long as ultrasonic energy from 1 2 10 is not concentrated locally on the human body.
  • the ultrasonic transducers 3, 3 and--3 are one by one.
  • a plurality of ultrasonic transducers 3, 3 and -3 are in the same section.
  • the transducer switching unit 13 and the CPU 14 may be configured to be able to do so. In this way, various stimulation patterns can be obtained to obtain more effective treatment effects.
  • the drive periods of the respective ultrasonic transducers 3, 3 and -3 are all set to be the same.
  • the CPU 14 may be configured to variably adjust the 1 2 10 driving period, that is, the switching speed.
  • a section in which a specific ultrasonic transducer 3, 3 is driven eg, a section D, I, By setting M, ⁇ ⁇ ⁇ ⁇ to be longer than the other sections, more ultrasonic energy can be given to the treatment site in the approximate center of the sheet material 2.
  • the driving period is shorter than the other
  • the ultrasonic vibration is not effective in the drive switching time of the ultrasonic vibrators 3, 3, and -3.
  • the switching of the drive power to the ultrasonic transducers 3, 3, and-3 can be performed by a human being.
  • the driving order and driving period of each of the ultrasonic transducers 3, 3 and 3 are not regular.
  • the drive circuit unit 12 While the ultrasonic transducers 3, 3, and 3 are operating, the drive circuit unit 12 has a frequency f and an amplitude A.
  • a sine wave signal is output as drive power.
  • the frequency f and the amplitude A may be fixed throughout the operation of the ultrasonic vibrators 3, 3 and 3, but the input
  • the frequency f and the amplitude A of the driving power may be variable. In this way, while switching the drive of the ultrasonic transducers 3, 3, and 3, the intensity of the ultrasonic energy is appropriately changed.
  • it is longer than the timing of switching the vibration of the ultrasonic transducers 3, 3 and -3.
  • the ultrasonic transducers 3, 3 to 3 receive the signal control signal from the oscillation output control means 32 of the CPU 14.
  • the amplitude modulation may be performed to change the value of the amplitude A during 1 2 10 driving (oscillation) periods.
  • driving oscillation
  • the drive pattern is repeated every interval B to K, interval L to U, ...), and the period (about 1 to 10 seconds) longer than the repetition of this drive pattern is not synchronized.
  • the drive circuit unit 12 is configured to change the value of the amplitude A of the drive power in a sinusoidal manner.
  • the sawtooth wave is not synchronized with the entire drive pattern of the ultrasonic transducers 3, 3 and -3.
  • the value of the amplitude A of the drive power may be changed in a similar manner.
  • the intensity of the ultrasonic energy given to the living body can be changed gradually over a long period.
  • the drive circuit unit 12 may be configured such that the amplitude A of the drive power gradually increases as the supply start time of the drive power increases. In this way, when the drive of the ultrasonic transducers 3, 3 and -3 is switched, a strong stimulus is not applied, and
  • the ultrasonic transducers 3, 3,--3 can be obtained.
  • the vibration frequency is low, and ultrasonic energy penetrates deep into the living body. Conversely, if the frequency f of the driving power is increased, the vibration frequency of the ultrasonic transducers 3, 3, and 3 becomes high.
  • Ultrasonic energy reaches the deep part of the living body. That is, by variably controlling the frequency f of the driving power, it is possible to change the effective depth and position of the ultrasonic vibration and to prevent the ultrasonic energy from being concentrated at the same depth of the living body. .
  • the drive circuit unit 12 is configured such that the frequency f of the drive power gradually decreases as the power supply start time ends. In this way, from the shallow part of the living body to the deep part Stimulus can be applied while moving. Of course, if the frequency f is gradually increased in each of the sections B, C, ..., the stimulus is given by moving to the depth, partial force, and part of the living body.
  • amplitude modulation and frequency modulation are prepared by the oscillation output control means 32 of the CPU 14, and one of them can be selected by the manual operation of the input means 15 force. May be Further, control combining amplitude modulation and frequency modulation may be realized by the CPU 14.
  • the plurality of ultrasonic transducers 3, 3 and -3 are arranged in a plane.
  • the driving power from the driving circuit unit 12 may be changed as needed to one or more of the ultrasonic transducers 3, 3, and -3 so that the ultrasonic energy emitted from the ultrasonic probe 1 is not concentrated locally.
  • the ultrasonic probe 1 can be irradiated with an appropriate amount of ultrasonic waves over a wide area of the living body without powering the ultrasonic probe 1 so that the ultrasonic energy can not be given locally by the ultrasonic probe 1.
  • the treatment time can be shortened.
  • the ultrasonic transducers 3, 3, and ⁇ 3 may be provided one by one or in multiples, or
  • the vibrator switching unit 13 is configured to be able to vibrate all at the same time. In this case, if the number of vibrations of the ultrasonic transducers 3, 3 and -3 is small, the spot shape is The ultrasonic energy can be given while changing the position, and conversely, the ultrasonic transducers 3, 3, 3,
  • the same ultrasonic transducers 3, 3, and -3 force do not keep outputting ultrasonic energy for a long time.
  • ultrasonic energy can be prevented from being concentrated locally at the same position.
  • ultrasonic transducers 3, 3, and -3 can be swept faster than human movement
  • the ultrasonic transducers 3, 3, which vibrate at random speed and position.
  • the oscillator switching unit 13 is configured to be able to switch automatically. This
  • each ultrasonic transducer 3, 3, -3 can be vibrated in a wide range and in an average manner.
  • the CPU 14 has a function as an amplitude varying means for variably changing the amplitude A of the drive power of the drive circuit unit 12 in synchronization or asynchronously with the drive pattern. In this way, the intensity of the ultrasonic energy is appropriately changed while switching the driving of the ultrasonic vibrators 3, 3 and -3.
  • the amplitude A of the driving power is set during the operation of the ultrasonic transducers 3, 3, and-3.
  • the CPU 14 is provided with a function as an amplitude control unit that performs variable control.
  • the frequency f of the driving power is
  • the CPU 14 is provided with a function as frequency control means for variably controlling the frequency.
  • the effective depth of ultrasonic vibration or The vibration position can be changed, and ultrasonic energy can be prevented from being concentrated at the same depth of the living body.
  • the ultrasonic transducer 3 is operated at the same speed and position as when a person powered the ultrasonic probe.
  • the vibrator switching unit 13 is configured to switch the vibration of 3, 3 and -3.
  • the ultrasound probe 1 is actually at rest, it is possible to effectively stimulate the living body as if the person were moving the ultrasound probe 1.
  • the wiring between the transducer switching unit 13 with a large number of wires and each of the ultrasonic transducers 3, 3 and -3 can be Sound wave pro
  • It can be housed in a single unit and can provide highly reliable equipment.
  • the search mode by the frequency correction means 36 and the amplitude correction means 37 is executed.
  • the switching control signal is output to the driving vibrator switching unit 13 so that the driving power is supplied to only one drive signal, and the signal control signal for changing (scanning) the frequency f of the driving power from the driving circuit unit 12 is Output to 12. And during this scan, the ultrasonic transducer 3
  • the impedance of the ultrasonic transducer 3 is calculated from Ultrasonic transducer 3 sensed
  • the vibration frequency and the impedance are stored in the non-illustrated! ⁇ storage means.
  • the resonance frequency and impedance of each of the ultrasonic transducers 3, 3 and-3 are 2 in manufacturing.
  • one scan time is about 0.2 seconds.
  • the resonance frequency and impedance of the other ultrasonic transducers 3 and -3 are sensed and stored in storage means (not shown). And for all ultrasonic transducers 3, 3,--3, the values of resonant frequency and impedance are automatically detected.
  • the transducer switching unit 13 vibrates, for example, a specific ultrasonic transducer 3
  • the frequency correction means 36 memorizes the resonant frequency of the ultrasonic transducer 3 each time
  • the frequency f of the drive power is corrected to the optimum value.
  • the amplitude correction means 37 also reads out the impedance of the ultrasonic transducer 3 from the storage means and
  • the driving power having the optimum frequency f and the amplitude A is given each time for 2 2 10, and it becomes possible to generate ultrasonic waves efficiently with each of the ultrasonic transducers 3, 3 and -3.
  • each ultrasonic transducer 3, 3,-3 is placed in the air and attached to a living body.
  • the resonance frequency fluctuates due to temperature rise after mounting and the like. Therefore, even if the frequency f and the amplitude A of the drive power are corrected only during the period (tO to tl) at the start of operation, the ultrasonic energy generated by each of the ultrasonic transducers 3, 3, and -3 gradually decreases. .
  • the search mode is entered, and the resonant frequencies and impedances of all the ultrasonic transducers 3, 3, and -3 are changed in a short time (one
  • Ultrasonic transducer Search for about 0.2 seconds) (period from t2 to t3 and period from t4 to t5). Then, based on the search results, the frequency f and the amplitude A of the drive power are automatically corrected again, and even if the characteristics of each of the ultrasonic transducers 3, 3 and -3 gradually change, Ultrasonic transducer
  • the resonance frequency or the resonance frequency of the ultrasonic transducers 3, 3 and -3 is
  • Vibrator detection means 26 and CPU 14 as vibrator sensing means for sensing impedance, and correction means 36, 37 for correcting the frequency f or the amplitude A of the driving power based on the sensing result of the vibrator sensing means. are further equipped.
  • the ultrasonic transducers 3, 3, and-3 have a resonant frequency and an impedance of
  • Ultrasonic energy can be generated.
  • the constant time is determined.
  • the correction means 36 and 37 are configured to take in the sensing result from the transducer sensing means and correct the frequency f or the amplitude A of the drive power each time.
  • the ultrasonic transducers 3, 3,--3 gradually have their resonance frequency and impedance during operation.
  • the present invention can be variously modified and implemented within the scope of the gist of the present invention which is not limited to the above embodiments.
  • 5 ⁇ 2 10 ultrasonic transducers are arranged in a two-dimensional plane in the above embodiment, they may be configured by combinations of other numbers.
  • the ultrasonic transducers 3, 3, and -3 correspond to each other.
  • FIG. 1 is a schematic explanatory view showing an entire configuration of an ultrasonic biostimulation apparatus common to each example of the present invention.
  • FIG. 2 Same as above, is a block diagram showing a configuration of a drive circuit unit.
  • FIG. 3 Same as above, is a block diagram showing a functional configuration of a CPU.
  • FIG. 4 is a block diagram showing a configuration of a transducer switching unit and the periphery thereof as in the above.
  • FIG. 5 is a block diagram showing an embodiment of the vibration output unit.
  • FIG. 6 Same as above, is a timing chart showing the operation of each ultrasonic transducer.
  • ⁇ 7] is the timing chart showing the operation of each ultrasonic transducer of the example different from FIG. 6 as above.
  • FIG. 8 is a graph showing the relationship between the amplitude of a drive signal (drive power) and time.
  • FIG. 9 A graph showing the relationship between the amplitude and time of the drive signal of an example different from FIG. 8 of the same.
  • FIG. 10 is a graph showing the relationship between the frequency of the drive signal and time.
  • FIG. 11 A graph showing the relationship between the frequency and the time of the drive signal of the example different from FIG. 10 as above.
  • FIG. 12 is a timing chart showing the operation state at the time of use.
  • FIG. 13 It is a block diagram of an essential part showing another modification.

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  • Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Thermotherapy And Cooling Therapy Devices (AREA)
  • Surgical Instruments (AREA)
  • Percussion Or Vibration Massage (AREA)

Abstract

La présente invention concerne un dispositif ultrasonique de stimulation de corps vivant qui possède une sonde ultrasonique (1) dans laquelle des vibreurs ultrasoniques (31, 32, ..., 310) sont placés sur une surface plane, les vibreurs ultrasoniques (31, 32, ..., 310) étant fixés sur un corps vivant, une section de circuit de commande (12) agissant comme moyen de commande (12) pour générer une énergie électrique de commande fournie à chaque vibreur ultrasonique (31, 32, ..., 310), enfin une section de commutation de vibreur (13) servant de moyen de commutation pour fournir l'énergie électrique de commande d'une section de circuit de commande (12) aux vibreurs ultrasoniques (31, 32, ..., 310), l'alimentation étant réalisée par le biais de la commutation, de sorte que l'énergie ultrasonique émise par chaque vibreur ultrasonique (31, 32, ..., 310) de la sonde ultrasonique (1) atteigne un niveau qui n'est pas concentré localement.
PCT/JP2005/009169 2005-05-19 2005-05-19 Dispositif ultrasonique de stimulation de corps vivant Ceased WO2006123414A1 (fr)

Priority Applications (2)

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PCT/JP2005/009169 WO2006123414A1 (fr) 2005-05-19 2005-05-19 Dispositif ultrasonique de stimulation de corps vivant
JP2007516169A JP4605548B2 (ja) 2005-05-19 2005-05-19 超音波生体刺激装置

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PCT/JP2005/009169 WO2006123414A1 (fr) 2005-05-19 2005-05-19 Dispositif ultrasonique de stimulation de corps vivant

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011177240A (ja) * 2010-02-26 2011-09-15 Olympus Corp 超音波治療装置
JP2015037595A (ja) * 2009-02-12 2015-02-26 パーフュジア メディカル インコーポレーテッド 患者の循環系の循環を操作するための装置及び方法
WO2019065362A1 (fr) * 2017-09-29 2019-04-04 学校法人日本医科大学 Appareil de traitement par ultrasons
JP7142336B1 (ja) * 2021-11-15 2022-09-27 ピクシーダストテクノロジーズ株式会社 超音波放射装置およびヘアケア装置
WO2023084822A1 (fr) * 2021-11-15 2023-05-19 ピクシーダストテクノロジーズ株式会社 Dispositif de rayonnement ultrasonore et dispositif de soins capillaires

Citations (2)

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JP2015037595A (ja) * 2009-02-12 2015-02-26 パーフュジア メディカル インコーポレーテッド 患者の循環系の循環を操作するための装置及び方法
JP2011177240A (ja) * 2010-02-26 2011-09-15 Olympus Corp 超音波治療装置
WO2019065362A1 (fr) * 2017-09-29 2019-04-04 学校法人日本医科大学 Appareil de traitement par ultrasons
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JP7076108B2 (ja) 2017-09-29 2022-05-27 学校法人日本医科大学 超音波治療装置
JP7142336B1 (ja) * 2021-11-15 2022-09-27 ピクシーダストテクノロジーズ株式会社 超音波放射装置およびヘアケア装置
WO2023084822A1 (fr) * 2021-11-15 2023-05-19 ピクシーダストテクノロジーズ株式会社 Dispositif de rayonnement ultrasonore et dispositif de soins capillaires

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