WO2023234068A1 - Appareil de mesure de charge - Google Patents

Appareil de mesure de charge Download PDF

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Publication number
WO2023234068A1
WO2023234068A1 PCT/JP2023/018708 JP2023018708W WO2023234068A1 WO 2023234068 A1 WO2023234068 A1 WO 2023234068A1 JP 2023018708 W JP2023018708 W JP 2023018708W WO 2023234068 A1 WO2023234068 A1 WO 2023234068A1
Authority
WO
WIPO (PCT)
Prior art keywords
footwear
measuring device
load measuring
pressure sensor
load
Prior art date
Application number
PCT/JP2023/018708
Other languages
English (en)
Japanese (ja)
Inventor
晃 和田
明浦 山下
佳久 東本
優輔 長田
Original Assignee
デュプロ精工株式会社
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 デュプロ精工株式会社 filed Critical デュプロ精工株式会社
Publication of WO2023234068A1 publication Critical patent/WO2023234068A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B3/00—Footwear characterised by the shape or the use
    • A43B3/34—Footwear characterised by the shape or the use with electrical or electronic arrangements
    • A43B3/44—Footwear characterised by the shape or the use with electrical or electronic arrangements with sensors, e.g. for detecting contact or position
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B3/00—Footwear characterised by the shape or the use
    • A43B3/34—Footwear characterised by the shape or the use with electrical or electronic arrangements
    • A43B3/48—Footwear characterised by the shape or the use with electrical or electronic arrangements with transmitting devices, e.g. GSM or Wi-Fi®
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
    • A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H1/00—Apparatus for passive exercising; Vibrating apparatus; Chiropractic devices, e.g. body impacting devices, external devices for briefly extending or aligning unbroken bones
    • A61H1/02—Stretching or bending or torsioning apparatus for exercising
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B23/00—Exercising apparatus specially adapted for particular parts of the body
    • A63B23/035—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously
    • A63B23/04—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for lower limbs

Definitions

  • the rehabilitation footwear disclosed in the above-mentioned Patent Document 1 is not intended to be worn while the patient is wearing shoes that the patient is accustomed to wearing, but rather, the rehabilitation footwear that the patient is not accustomed to wearing is not intended to be worn directly on the foot.
  • the load measurement will be carried out with a feeling of discomfort.
  • rehabilitation footwear must be worn only on the side to be measured of both feet, making it difficult to maintain left-right balance and resulting in instability.
  • Rehabilitation footwear for both the left and right sides can be prepared, but the cost is high.
  • the present invention allows the person to be measured (patient) to easily attach (attach and remove) the load measuring device to the footwear body while wearing the walking shoes that the person to be measured is accustomed to wearing.
  • the object is to enable the person to be measured to perform walking training in a stable state without feeling discomfort during load measurement.
  • the upper has two left and right heel locking pieces that can detachably lock the heel of the foot to the footwear body. It is also characterized by the following.
  • the footwear bodies are attached to both feet as a pair of left and right feet at the time of load measurement, and one of the footwear bodies worn on both feet is It is characterized in that it is configured as dummy footwear that does not include the pressure sensor and the transmitter.
  • the invention according to claim 9 is the load measuring device according to claim 8, wherein the load measuring device includes an actuator section that transmits a load to be measured to the pressure sensor, and the dummy footwear is configured to It is characterized in that only the actuator section is arranged.
  • the person to be measured can easily attach (attach and remove) the footwear body serving as a load measuring device while wearing the walking shoes that the person is accustomed to wearing, and During measurement, the person to be measured can practice walking in a stable state without feeling any discomfort.
  • the person to be measured desires, it is also possible to easily attach (attach and remove) the device to the footwear body without wearing the person's shoes.
  • the base of the two instep locking pieces is fixed to the left and right sides of the sole, and the other end of the instep locking piece is fixed to the left and right sides of the sole.
  • the shoes (feet) of the person to be measured can be easily attached to the footwear body by overlapping each other and connecting them with the locking member attached to the instep locking piece. (attached and detached).
  • the locking member is constituted by a hook-and-loop fastener, the overlapping length of the upper locking pieces can be easily adjusted by changing the locking position.
  • the footwear body has the same shape on both sides, and the pressure sensors are arranged symmetrically in the width direction of the sole, so there is no distinction between the left and right sides of the footwear body. Can be installed on either the left or right side. Moreover, the shoes (feet) of the person to be measured can be easily attached to the footwear body.
  • the footwear bodies are worn as a pair on both feet when measuring the load, and one of the footwear bodies worn on both feet is a dummy body that is not equipped with a pressure sensor and a transmitter. Since it is configured as footwear, if the footwear itself is purchased as a set of left and right footwear including dummy footwear, the left-right balance of the person to be measured will be stabilized during load measurement. Furthermore, since there is no distinction between the left and right feet of the footwear body, no matter which foot is to be measured, it is only necessary to replace the left and right feet, which reduces costs.
  • FIG. 3 is a plan view showing the state of the footwear body when it is in use and before it is worn.
  • FIG. 3 is a side view showing a state in which the shoes are attached to the footwear body while still being worn.
  • FIG. 2 is a plan view and a cross-sectional view of the insole with the insole removed from the sole. 5 is an enlarged view of a main part of the cross-sectional view of FIG. 4.
  • FIG. 2 is a perspective view showing the overall appearance of the pressure sensor. It is a block diagram showing the whole system of a load measuring device.
  • FIG. 3 is a plan view showing a measurement screen of the present invention on a smartphone.
  • FIG. 3 is a flow diagram at the time of setting the present invention. It is a flowchart at the time of the measurement of this invention.
  • the footwear body 10 of this embodiment is exemplified in the form of sandals that can be easily put on and taken off by the person to be measured (patient).
  • the footwear main body 10 of the present invention is not limited to the sandal type, but can also be applied as other footwear types. That is, it is only necessary to include at least a sole 11 serving as the sole of the footwear on which the foot is placed, and an upper 15 covering the instep of the foot.
  • the upper 15 is capable of removably locking the instep of the foot to the footwear body 10.
  • a male hook-and-loop fastener 51a is attached to the outer surface of one of the back locking pieces 12a.
  • a female hook-and-loop fastener 51a' is attached to the inner surface of the piece 12a
  • a male hook-and-loop fastener 51b is attached to the outer surface of the other back-locking piece 12b.
  • a female hook-and-loop fastener 51b' is attached to the inner surface of the fastening piece 12b.
  • the tips of the male hook-and-loop fasteners 51a and 51b are hook-shaped and easily stick to (get tangled with) other things.
  • the tips of the female hook-and-loop fasteners 51a' and 51b' are loop-shaped, they are difficult to stick to other objects (hard to get tangled). It is for this purpose.
  • the upper 15 includes two left and right heel locking pieces 13 (13a, 13b) that can detachably lock the heel of the foot to the footwear body 10. ) may also be configured.
  • the shoes (feet) of the person to be measured can be attached to the footwear body more reliably.
  • FIG. 3 is a side view showing a state in which the person to be measured wears the shoes 21 and attaches them to the footwear body 10.
  • the load measuring device 1 is used in hospitals, rehabilitation facilities, etc. to measure the load applied to the lower limbs of a patient undergoing rehabilitation (load-relief training, etc.).
  • the person to be measured wears the footwear body 10 on one foot undergoing rehabilitation (performing load measurement) and wears the dummy footwear 20 on the other foot. Further, at this time, the person to be measured (patient) puts on the footwear body 10 with the shoes 21 on, and puts on the dummy footwear 20 on the other foot, as shown in FIG.
  • the footwear main body 10 is configured to have the same shape on both sides, and the pressure sensors 61 are arranged symmetrically in the width direction of the sole 11. Further, the footwear main body 10 is worn as a pair on both the left and right feet during load measurement, and one of the footwear worn on both feet is configured as a dummy footwear 20 that is not equipped with the pressure sensor 61 and the transmitter 30.
  • the load measuring device 1 also includes an actuator section that transmits the load to be measured to the pressure sensor 61, and the dummy footwear 20 is provided with only the actuator section of the pressure sensor 61. This will be discussed later.
  • the load measuring device 1 includes an actuator section that transmits the load to be measured to the pressure sensor 61, and the dummy footwear 20 is provided with only the actuator section of the pressure sensor 61. The left and right balance is stabilized.
  • pressure sensors 61 are located at two locations on the sole 11 facing the instep of the foot and at two locations facing the heel. They are arranged symmetrically in the width direction of the sole 11. Note that the number and arrangement of the pressure sensors 61 provided in the sole 11 are not limited to this, and may be changed as appropriate.
  • a sensor body 613 made up of a strain gauge is housed within a rectangular sensor outer frame 611 and attached to the sole 11. Further, as shown in FIG. 4(b), after the pressure sensors 61a and 61c are inserted into the sole 11, a shank (reinforcing plate) 63 is glued to the sole 11, and the shank 63 and the pressure sensors 61a and 61c are attached with reference numeral 6111. Fasten with screws at the locations shown. Note that, in FIG.
  • the sole 11 can be reinforced by the shank 63, and can also serve to prevent the sensor from coming off downward.
  • an opening 631 is provided in the shank 63 so that the actuator 616 of the pressure sensor 61 can be penetrated to detect the load.
  • a pressure receiving plate 62 is fixed to the lower part of the actuator 616 of each pressure sensor 61 with screws 619.
  • the sole 11 and the pressure receiving plate 62 are made of synthetic resin, and have elasticity to elastically deform when subjected to pressure.
  • the shank 63 is made of rigid synthetic resin or metal.
  • the specifications of the pressure receiving plate 62 (the surface condition of the floor side) are determined according to the surface condition. ) can be changed, making walking more stable.
  • FIG. 6 is a perspective view showing the overall appearance of the pressure sensor 61.
  • the sensor outer frame 611 has a convex protrusion in the center to transmit external loads from feet to the sensor main body 613 inside the sensor outer frame 611.
  • An actuator 616 is provided. Further, the load signal detected by the pressure sensor 61 is output to the transmitter 30 via the lead wire 32.
  • the pressure sensor 61 uses a commonly used strain gauge type load cell, and as shown in FIG. A mounting plate (flexible body) 612 to which 613 is attached, an actuator 615 as a load transmission section that transmits the load received from the person to be measured to the sensor body 613, an actuator 616, a plate member 614 that closes the space of the actuator 616, and
  • the basic structure includes a sensor outer frame 611 that houses the above-mentioned parts.
  • the mounting plate (flexible body) 612 is deformed via the load transmission section according to the weight actually applied by the feet of the person to be measured (patient), and the mounting plate
  • the electrical resistance value of the strain gauge (sensor main body 613) changes depending on the degree of deformation of the (flexible body) 612, and a load signal corresponding to the external load received is output to the transmitter 30.
  • the transmitter 30 transmits, as the load signals, a load signal from the pressure sensor 61a, a load signal from the pressure sensor 61b, a load signal from the pressure sensor 61c, and a load signal from the pressure sensor 61d.
  • the CPU 701 calculates four loads as the loads based on the respective load signals, calculates a total load by summing the four calculated loads, and transmits the calculated total load to the receiver 40. Note that the CPU 701 on the transmitter 30 side or the CPU 711 on the receiver 40 side may be used as the load calculation section.
  • the receiving unit 40 of this embodiment is configured with a tablet, a smartphone, etc. that has a portable shape and can be attached to the body.
  • the dummy footwear 20 is one in which the actuator 616 is fixed to the sensor outer frame 611 in a protruding state.
  • the control unit 70 on the transmitting unit 30 side includes a CPU 701, a memory 702, etc., and the control unit 70 includes a pressure sensor 61a, a pressure sensor 61b, a pressure sensor 61c, a pressure sensor 61d, a transmitting unit 707, and a notification unit. 703 is connected. Further, a switch 706 and a battery 705 are connected to the control unit 70 via a power supply control unit 704 . Further, the control section 71 on the receiving section 40 side includes a CPU 711, a memory 712, etc., and a receiving unit 716, a display section 714, an operation section 715, and a notification section 713 are connected to the control section 71.
  • the transmitting unit 30 is connected to a pressure sensor 61a, a pressure sensor 61b, a pressure sensor 61c, and a pressure sensor 61d via a control unit 70.
  • switch 706 When switch 706 is turned on, power from battery 705 is supplied to each pressure sensor 61a, pressure sensor 61b, pressure sensor 61c, pressure sensor 61d, and transmitter 30.
  • the transmitter 30 wirelessly transmits the signals from each pressure sensor 61a, pressure sensor 61b, pressure sensor 61c, and pressure sensor 61d. More specifically, the transmitter 30 converts analog signals from each pressure sensor 61a, pressure sensor 61b, pressure sensor 61c, and pressure sensor 61d into digital signals. Then, the transmitter 30 samples the digital signal at regular intervals and transmits it to the receiver 40 using the Bluetooth (registered trademark) communication standard.
  • FIG. 10 is a flowchart at the time of initial setting.
  • FIG. 8 is a display screen 80a of the dedicated software (for load measurement) of the smartphone serving as the reception unit 40 at that time.
  • the upper limit ratio to the total weight as the target load is input (S2). Furthermore, the upper limit value is automatically calculated and displayed based on the input upper limit ratio to the total weight (S3). Note that it may be configured such that an upper limit value for the total weight as the target load is input, and the upper limit ratio is automatically calculated and displayed based on the input upper limit value for the total weight.
  • the start button 81a is turned on (touched) by the user (S6).
  • the user turns on the start button 81a on the display screen at the timing when the user starts walking training for rehabilitation.
  • start button 81a is not turned on (S6; N)
  • the process returns to S1. If the start button 81a is turned on (S6; Y), the initial setting process ends.
  • FIG. 11 is a flowchart during load measurement.
  • FIG. 9 shows a load measurement screen in the dedicated software (for load measurement) of the smartphone serving as the reception unit 40 at that time.
  • the process waits until the start button 81a is turned on.
  • the display screen 80b shown in FIG. 9 is switched to a load measurement screen (S11). Also, the start button 81a is switched to the stop button 81b.
  • the reset button 82 has been turned on (touched) by the user (S12). If the reset button 82 is turned on (S12; Y), the current measured value is reset to 0 (S13). If the reset button 82 is not turned on (S12; N), the total weight 83, load indicator 84, and waveform (tw) 85 shown on the display screen 80b shown in FIG. 9 are displayed in real time (S14).
  • the person to be measured can easily attach (attach and remove) the footwear body 10 as a load measuring device while wearing the walking shoes 21 that the person is accustomed to wearing, and also The test subject can practice walking in a stable state without feeling any discomfort. It should be noted that, according to the wishes of the person to be measured, it can be easily attached (attached and detached) to the footwear body 10 without the person's shoes 21 being worn.
  • the footwear body 10 has the same shape on the left and right sides, and the pressure sensors 61 are arranged symmetrically in the width direction of the sole 11. shoes 21 (feet) can be easily attached to the footwear body 10.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Biophysics (AREA)
  • Dentistry (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biomedical Technology (AREA)
  • Pathology (AREA)
  • Physics & Mathematics (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Medical Informatics (AREA)
  • Physiology (AREA)
  • Epidemiology (AREA)
  • Pain & Pain Management (AREA)
  • Rehabilitation Therapy (AREA)
  • Rehabilitation Tools (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)

Abstract

L'objet de la présente invention est de permettre à un individu (patient) de porter (retirer) facilement un corps principal de chaussure servant d'appareil de mesure de charge lorsque l'individu porte des chaussures de marche confortables, et de permettre également à l'individu d'effectuer un entraînement à la marche dans un état stable, sans aucune sensation d'inconfort pendant la mesure de charge. L'invention concerne en particulier un appareil de mesure de charge pourvu d'une semelle servant de semelle de chaussure, d'un corps principal de chaussure composé d'au moins une tige maintenant la voûte plantaire, d'un capteur de pression disposé au fond de la chaussure, et d'une unité de transmission destinée à transmettre un signal provenant du capteur de pression dans un mode sans fil. Dans ledit appareil de mesure de charge, le corps principal de chaussure peut être fixé sur un individu portant ou ne portant pas ses chaussures de marche.
PCT/JP2023/018708 2022-05-30 2023-05-19 Appareil de mesure de charge WO2023234068A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2022-087802 2022-05-30
JP2022087802A JP2023175381A (ja) 2022-05-30 2022-05-30 荷重測定装置

Publications (1)

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WO2023234068A1 true WO2023234068A1 (fr) 2023-12-07

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180263564A1 (en) * 2017-03-15 2018-09-20 Francois Avril Rehabilitation Footwear Device
JP3220669U (ja) * 2019-01-08 2019-03-28 テクノウェイブサンワ有限会社 荷重測定装置
CN110236261A (zh) * 2019-07-11 2019-09-17 中国科学院大学宁波华美医院(宁波市第二医院) 一种骨折后负重限制鞋托
CN214127252U (zh) * 2021-01-22 2021-09-07 广东药科大学 一种膝关节术后智能监测负重康复鞋

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180263564A1 (en) * 2017-03-15 2018-09-20 Francois Avril Rehabilitation Footwear Device
JP3220669U (ja) * 2019-01-08 2019-03-28 テクノウェイブサンワ有限会社 荷重測定装置
CN110236261A (zh) * 2019-07-11 2019-09-17 中国科学院大学宁波华美医院(宁波市第二医院) 一种骨折后负重限制鞋托
CN214127252U (zh) * 2021-01-22 2021-09-07 广东药科大学 一种膝关节术后智能监测负重康复鞋

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