WO2021166052A1 - インソール及びインソールの製造方法 - Google Patents

インソール及びインソールの製造方法 Download PDF

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Publication number
WO2021166052A1
WO2021166052A1 PCT/JP2020/006131 JP2020006131W WO2021166052A1 WO 2021166052 A1 WO2021166052 A1 WO 2021166052A1 JP 2020006131 W JP2020006131 W JP 2020006131W WO 2021166052 A1 WO2021166052 A1 WO 2021166052A1
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WO
WIPO (PCT)
Prior art keywords
foot
insole
support member
center
heel
Prior art date
Application number
PCT/JP2020/006131
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English (en)
French (fr)
Japanese (ja)
Inventor
大地 岡部
Original Assignee
株式会社ジャパンヘルスケア
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Application filed by 株式会社ジャパンヘルスケア filed Critical 株式会社ジャパンヘルスケア
Priority to PCT/JP2020/006131 priority Critical patent/WO2021166052A1/ja
Priority to JP2021518204A priority patent/JPWO2021166052A1/ja
Publication of WO2021166052A1 publication Critical patent/WO2021166052A1/ja

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    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B17/00—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined

Definitions

  • the present invention relates to footwear insoles and methods for manufacturing insoles, and more specifically, footwear insoles and insoles that are used for the purpose of caring for foot problems and can be used in fields such as health, sports, and medical treatment. It is related to the manufacturing method of.
  • a "hard” insole is required to correct the distortion of the skeleton of the foot.
  • problems may occur when using it.
  • Patent Document 1 states that by installing the system related to this disclosure in medical facilities, sports facilities, shoe shops, etc., many subjects can select insoles that fit their feet by themselves. ..
  • Patent Document 1 requires an expensive device, and the device is large. Therefore, only a limited number of people can use this system, many people cannot easily use this system, and it is not possible to easily use a hard insole that fits the skeleton of their foot. was there.
  • the present disclosure aims to enable more people to use a hard insole that fits the skeleton of their foot.
  • the first aspect is that in the insole inserted inside the footwear, the height of the position corresponding to the arch of the foot on the bottom surface of the insole causes the toe of the foot to dorsiflex in the medial longitudinal arch of the foot. It is characterized in that it is determined based on the difference between the height of the medial longitudinal arch in the state and the height of the medial longitudinal arch in the state where the toes of the foot are extended.
  • the height of the medial longitudinal arch in the state where the toes of the foot are extended is a1
  • the height of the medial longitudinal arch in the state where the toes of the foot are dorsiflexed is a2
  • the height of the support member at the position corresponding to the arch of the foot is h
  • h (a2-a1) ⁇ A + a1
  • A is 0.5 to 0.8. It is a feature.
  • a third aspect is a cushioning member and a rigid aspect of the insole according to the first or second aspect, which is soft and elastically compressible and has an upper surface for engaging with the sole surface of the foot. It is characterized by including a support member which is elastically flexible and is bonded to a part of the bottom surface of the cushion member.
  • a fourth aspect is the insole according to any one of the first to third aspects, wherein the length of the support member is the distance from the center of the ball of the foot to the rear end of the heel, or the ball of the foot. Determined based on the distance from the center of the foot to the posterior end of the heel, the distance from the center of the ball of the foot to the posterior end of the heel, or the distance from the center of the ball of the foot to the posterior end of the heel is m.
  • the inner length of the support member is the distance from the center of the ball of the thumb to the rear end of the heel, and the outer length of the support member is the center of the hypothenar eminence. It is the distance from the to the rear end of the heel, and is characterized in that the inner length and the outer length are different.
  • a sixth aspect is that in the insole according to any one of the first to fifth aspects, the width of the support member is determined based on the distance from the center of the ball of the foot to the center of the ball of the foot, and the foot.
  • the seventh aspect is the case where the support member is viewed from the side in the insole according to any one of the first to sixth aspects, and connects the center of the heel portion of the support member and the rear end of the support member.
  • the angle formed between the straight line and the straight line connecting the center of the heel portion of the support member and the top of the rear end portion of the support member is 5 degrees from the inclination angle from the ball of the thumb to the bottom of the heel when wearing footwear. It is characterized in that the height of the top of the rear end portion of the support member is adjusted so as not to become larger than the above.
  • the eighth aspect is characterized in that, in the insole according to any one of the first to seventh aspects, a cover portion for covering the cushion member is provided on the upper surface of the cushion member.
  • a ninth aspect is a method of manufacturing an insole to be inserted into the inside of a footwear, in which the height of the position corresponding to the arch of the foot on the bottom surface of the insole causes the toe of the foot to bend dorsiflexively in the medial longitudinal arch of the foot. It is characterized in that it is determined based on the difference between the height of the medial vertical arch in the vertical state and the height of the medial vertical arch in the state where the toes of the foot are extended.
  • the height of the medial longitudinal arch in the state where the toes of the foot are extended is a1
  • the medial longitudinal in the state where the toes of the foot are dorsiflexed is a1
  • the medial longitudinal in the state where the toes of the foot are dorsiflexed is 0.5 to 0.8. It is characterized by being.
  • the eleventh aspect is a cushioning member which is soft and elastically compressible and has an upper surface for engaging with the sole surface of the foot in the method for manufacturing an insole according to the ninth or tenth aspect. It is characterized by including a support member which is hard and elastically flexible and is bonded to a part of the bottom surface of the cushion member.
  • a twelfth aspect is the method for manufacturing an insole according to any one of the ninth to eleventh aspects, wherein the length of the support member is the distance from the center of the ball of the foot to the rear end of the heel, or the foot. Determined based on the distance from the center of the ball of the foot to the posterior end of the heel, the distance from the center of the ball of the foot to the posterior end of the heel, or the distance from the center of the ball of the foot to the posterior end of the heel.
  • a thirteenth aspect is the insole manufacturing method according to the twelfth aspect, in which the inner length of the support member is the distance from the center of the ball of the thumb to the rear end of the heel, and the outer length of the support member is the hypothenar eminence. It is the distance from the center of the sphere to the rear end of the heel, and is characterized in that the inner length and the outer length are different.
  • a fourteenth aspect is the method for manufacturing an insole according to any one of the ninth to thirteenth aspects, wherein the width of the support member is determined based on the distance from the center of the ball of the foot to the center of the ball of the little finger.
  • the fifteenth aspect is the case where the support member is viewed from the side in the method for manufacturing the insole according to any one of the ninth to fourteenth aspects, and the center of the heel portion of the support member and the rear end of the support member.
  • the angle formed between the straight line connecting the two and the straight line connecting the center of the heel portion of the support member and the top of the rear end portion of the support member is the inclination angle from the ball of the thumb to the bottom of the heel when wearing footwear. It is characterized in that the height of the top of the rear end portion of the support member is adjusted so as not to be larger than 5 degrees.
  • the sixteenth aspect is characterized in that, in the method for manufacturing an insole according to any one of the ninth to fifteenth aspects, a cover portion for covering the cushion member is provided on the upper surface of the cushion member.
  • the insoles and the method of manufacturing the insoles according to the present disclosure allow more people to easily use a hard insole that fits the skeleton of their feet.
  • Explanatory drawing of the molding method of an insole Explanatory drawing of the molding method of an insole.
  • Explanatory drawing of the molding method of an insole Explanatory drawing of the molding method of an insole.
  • the flowchart which shows the manufacturing method of an insole.
  • Explanatory drawing of the foot image (when both feet are viewed from above).
  • Explanatory drawing of the foot image (when the right foot is viewed from the inside).
  • Explanatory drawing of the foot image (when the left foot is viewed from the inside).
  • Explanatory drawing of the foot image when the right foot is viewed from the inside).
  • Explanatory drawing of the foot image when the left foot is viewed from the inside).
  • Explanatory drawing of the foot image when both feet are viewed from behind).
  • insole 1 embodiments of the footwear insole 1 (hereinafter, simply referred to as insole 1) according to the present disclosure will be described with reference to FIGS. 1 to 4.
  • the present disclosure is not limited to the embodiments of the present disclosure described in detail below, and can be implemented in various modifications.
  • FIG. 1 shows the appearance of a pair of insoles 1.
  • the pair of insoles 1 includes both a left foot insole 1a inserted inside the left foot footwear and a right foot insole 1b inserted inside the right foot footwear.
  • the left or right insole 1a or 1b When using the insole 1, either the left or right insole 1a or 1b may be used alone, or a pair of left and right insoles 1 may be used at the same time.
  • the insoles shown in all the drawings are the insoles 1b for the right foot, and the insoles 1a for the left foot have a mirror image relationship with the insoles 1b for the right foot, and thus the description thereof will be omitted.
  • the insole 1b has a three-layer structure, and the support member 2, the cushion member 3, and the cover portion 4 are integrally joined in this order from the lower layer to the upper layer.
  • the cushion member 3 and the cover portion 4 are formed so as to be in close contact with the entire sole of the foot.
  • the support member 2 is formed so as to cover the range from the rear end of the foot to the base of the toes, and is attached to the back surface of the cushion member 3.
  • Adhesives such as synthetic rubber, nitrile rubber, and chloroprene rubber, or heat welding are used for bonding.
  • the joining method may be any method as long as the support member 2, the cushion member 3, and the cover portion 3 are integrally joined, and may be a method other than the above-mentioned method.
  • the support member 2 has a plate-like shape with a thickness of about 2.5 to 3 mm, and is rigid and elastically flexible. Since the support member 2 is molded by a 3D printer, nylon resin (also known as polyamide resin), which is a material for a 3D printer, or the like is used. Nylon resin is relatively inexpensive, strong, heat resistant, has a heat resistant temperature of about 100 ° C., and has a short molding time, and is therefore widely used as a material for molding 3D printers.
  • nylon resin also known as polyamide resin
  • Nylon resin is relatively inexpensive, strong, heat resistant, has a heat resistant temperature of about 100 ° C., and has a short molding time, and is therefore widely used as a material for molding 3D printers.
  • the cushion member 3 is a plate-shaped material having a thickness of about 3 mm, and has cushioning properties to alleviate the impact from the ground transmitted through the sole.
  • Urethane resin or the like is used as the material of the cushion member 3.
  • Urethane resin has excellent elasticity like rubber and has high resistance to changes in humidity and temperature.
  • the cover portion 4 is a plate-shaped one having a thickness of about 1 mm, and is joined so as to cover the upper surface of the cushion member 3.
  • the material of the cover portion 4 cotton or the like containing Japanese paper is used, and it is excellent in hygroscopicity and deodorant property.
  • the configuration and function of the support member 2 will be described in more detail with reference to FIGS. 2 to 6.
  • the support member 2 is arranged so as to support the skeleton of the foot 5 from the back side of the foot 5 in the range from the rear end of the foot 5 to the base of the toe 6.
  • the skeleton of the foot 5 includes three arches (inner longitudinal arch 7, lateral longitudinal arch 8, lateral arch 9).
  • the support member 2 plays a role of properly maintaining the arch shape of these three arches from the back side of the foot 5.
  • the three arches (inner vertical arch 7, outer vertical arch 8, horizontal arch 9) control the function of cushioning the impact from the ground, the function of generating propulsive force during walking, the rotation of the body, and the front-back and left-right shaking. It plays a role such as a function.
  • the medial longitudinal arch 7 consists of the calcaneus 10 of the foot 5, the talus 11, the scaphoid 12, the medial cuneiform bone 13, the first metatarsal bone 14, the first proximal phalanx 15, and the first distal phalanx 16, and the foot 5 Form the arch of the foot.
  • the lateral longitudinal arch 8 consists of the calcaneus 10 of the foot, the cuboid bone 17, the fourth metatarsal bone 18, and the fifth metatarsal bone 19.
  • the lateral arch 9 lies at the tarsal bone level and the metatarsal bone level of the foot 5.
  • the tarsal bone level of the lateral arch 9 consists of medial cuneiform bone 13, intermediate cuneiform bone 20, lateral cuneiform bone 21, and cuboid bone 17.
  • the metatarsal level of the lateral arch 9 consists of a first metatarsal 14, a second metatarsal 22, a third metatarsal 23, a fourth metatarsal 18, and a fifth metatarsal 19.
  • the support member 2 supports the arch shape of the portion from the heel bottom 24 to the ball 25 from below to correct the skeleton.
  • the support member 2 supports the arch shape from the heel bottom 24 to the hypothenar eminence 26 from below to correct the skeleton.
  • the support member 2 supports the arch shape of the portion from the thumb ball 25 to the hypothenar ball 26 from below to correct the skeleton.
  • the support member 2 has a shape that covers three points of the heel bottom portion 24, the thumb ball 25, and the hypothenar ball 26.
  • the inner length of the support member 2 is designed to be longer than the length 27 that supports the inner vertical arch 7, from the center of the thumb ball 25 to the rear end of the heel. Equal to the distance.
  • the outer length of the support member 2 is designed to be longer than the length 28 that supports the outer vertical arch 8, from the center of the hypothenar 26 to the rear end of the heel. Equal to the distance.
  • the width of the support member 2 is designed to be longer than the length 29 that supports the lateral arch 9, as shown in FIG. 6, and is equal to the distance from the ball 25 to the hypothenar 26.
  • the height of the position of the support member 2 corresponding to the arch of the foot 5 is designed to appropriately maintain the arch shape of the inner vertical arch 7.
  • the apex of the medial longitudinal arch 7 is in the vicinity of the scaphoid 12 (see FIG. 5), and the height of the position of the support member 2 corresponding to the scaphoid 12 is designed based on the foot data described later.
  • the height of the position of the support member 2 corresponding to the scaphoid bone 12 is designed by using the windlass mechanism of the foot 5.
  • the windlass mechanism of the foot 5 will be described with reference to FIG. 7.
  • FIG. 7A shows a state in which the toe 6 is extended
  • FIG. 7B shows a state in which the toe 6 is dorsiflexed (at the time of windlass).
  • the windlass mechanism of the foot 5 is that when the toe 6 is raised (dorsiflexed), the plantar aponeurosis 30 is rolled up, the medial longitudinal arch 7 becomes tense, and the foot rigidity increases, and the medial longitudinal arch. It refers to a mechanism in which the scaphoid bone 12 located at the top of 7 moves upward.
  • the height of the position of the support member 2 corresponding to the arch of the foot 5 means the height near the apex of the inner vertical arch 7.
  • the height of the medial longitudinal arch 7 at the midpoint of the distance from the sesamoid bone 31 with the toe 6 extended to the posterior end of the calcaneus 10 is a1, and the toe 6 is the back.
  • a2 be the height of the medial longitudinal arch 7 at the midpoint of the distance from the sesamoid 31 in the bent state (at the time of windlass) to the posterior end of the calcaneus 10. Then, when the height of the support member 2 corresponding to the arch of the foot 5 is h, there is a relationship of the following equation (1).
  • A is a constant and can take a value of 0.5 to 0.8.
  • A is a value that can change depending on the patient, and is adjusted and determined according to each patient in the actual medical field. For example, in the case of a patient whose hind foot (near the heel) tends to incline outward, there is a problem that if A is increased, the hind foot (near the heel) actually tends to incline outward, and the patient. Fine-tune A according to the characteristics of the foot. In addition, by collecting and accumulating data for each patient, it is possible to build a prediction model for obtaining the optimum value for a new patient.
  • the arch does not interfere with the original shock absorbing function. It ends up. On the contrary, if the height of the support member 2 is underestimated, the skeletal correction force will decrease.
  • the inventors of the present application have derived the above equation (1) by drawing out an appropriate shock absorbing function from the arch, verifying whether the patient can exhibit satisfactory performance, or analyzing the patient's gait.
  • the length and width of the support member 2 are determined based on the position information of the heel bottom 24 of the foot 5, the thumb ball 25, and the hypothenar ball 26. Therefore, first, the position information of these three points is acquired from the foot data described later.
  • the position of the ball 25 is the intersection of the center line of the first proximal phalanx 15 and the horizontal line from the most swollen part of the ball 25.
  • the position of the hypothenar eminence 26 is the intersection of the center line of the fifth proximal phalanx 32 and the horizontal line of the most swollen part of the hypothenar eminence 26.
  • m1 The distance from the rear end of the heel bottom 24 to the position of the ball 25 is defined as m1, and the distance from the rear end of the heel bottom 24 to the position of the hypothenar 26 is defined as m2.
  • w1 the length on the outside (hypothenar eminence 26 side) is defined as w2 (see FIG. 11), and there is a relationship between the following equations (2) and (3).
  • m may be used as a value that can include m1 and m2
  • w may be used as a value that can include w1 and w2.
  • the length w1 on the inside (thumb ball 25 side) and the length w2 on the outside (hypothenar ball 26 side) of the support member 2 are different.
  • B is a constant and can take a value of 0.01 to 0.03. Since the sizes of the thumb ball 25 and the hypothenar ball 26 are different for each person, B is adjusted and determined according to each patient in the actual medical field. In addition, some patients may have hallux valgus, strong thumb, etc., so it is necessary to fine-tune the value of B in consideration of this.
  • C is a constant and can take a value of 0.03 to 0.07.
  • C has a value close to 0.03.
  • the width of the foot becomes wider, but if the width of the support member 2 is determined accordingly, the insole 1 itself may hit the side wall of the shoe, and it matches the shoe used by the patient in the actual medical field. It is necessary to fine-tune the value of C.
  • the height from the ground 37 to the ball 25 inside the shoe 34 is h1
  • the height from the ground 37 to the bottom 24 of the heel 34 inside the shoe 34 is h2
  • the height from the center of the ball 25 to the bottom 24 of the heel 24 is related to the following equation (5).
  • ⁇ is a straight line connecting the center of the heel portion of the support member 2 (the lowest surface portion of the portion corresponding to the heel cup) 38 and the rear end 39 of the support member 2 when the support member 2 to be designed is viewed from the side, and the support member. It is an angle formed between the center of the heel portion (the lowest surface portion of the portion corresponding to the heel cup) 38 and the straight line connecting the top portion 40 of the rear end portion of the support member 2.
  • the height of the top 40 of the rear end portion of the support member 2 is designed to be low so that the difference between ⁇ and ⁇ is 5 degrees (deg).
  • the insole 1 is molded according to the size and shape of the shoes used by the patient. Specifically, the dimensions of the insole 1 so that the insole 1 does not collide with the inner wall of the shoe and deform in the inserted shoe, and the insole 1 does not move inside the shoe. Fine-tune. Fine adjustment of the dimensions of the insole 1 is indispensable for fully exerting the functions of the insole 1.
  • Shoe data is data that collects the type, size, toe discard size, and the size of each part of the shoe.
  • the shape and dimensions of shoes, insoles, etc. differ depending on the manufacturer and type of shoes.
  • the patient puts on the shoe with the insole 1 inserted in the shoe, fine-tunes the fit with the shoelace, and then removes the part that feels uncomfortable. explore. Then, if the patient feels uncomfortable, the size of the insole 1 in that portion is finely adjusted. If the patient does not feel uncomfortable, the insole 1 can be used as it is.
  • the foot image acquisition step (S100) will be described below.
  • An image of the patient's foot is obtained from a photograph of the patient's foot attached to an e-mail or sent by mail.
  • Six photographs of the patient's feet shown in FIGS. 19 to 24 are obtained.
  • FIG. 19 is a photograph of both feet in a standing position taken from above with the left and right feet placed on the left and right ends of A4 paper. Align the rear ends of the left and right feet so that they are on the bottom of the A4 paper. Then, the middle fingers of the left and right feet are aligned so as to be on the left and right sides of the A4 paper so that the center lines of the left and right feet are on the left and right sides of the A4 paper.
  • the foot length L of the patient's foot (see FIG. 9) can be measured.
  • the paper is not limited to A4 paper, and any paper such as A3 paper, B4 paper, newspaper, etc., whose dimensions and sizes are generally well known may be used.
  • Figures 20 and 21 are photographs of the right and left feet taken from the inside when standing with the toes straight. This is a photograph for measuring the height of the arch of the foot with the toes straightened.
  • FIGS. 22 and 23 are photographs taken from the inside of the right foot and the left foot in a standing position with the toes dorsiflexed (during windlass), respectively. This is a photograph for measuring the height of the arch of the foot when the toes are dorsiflexed (during windlass).
  • FIG. 24 is a photograph of both feet while standing from behind. This picture is for diagnosing the condition of the patient's ankle. There is a subtalar joint in the ankle, and the subtalar joint confirms symptoms such as excessive pronation. Excessive pronation of the subtalar joint causes foot problems such as hallux valgus, hallux valgus, restricted thumb, tough thumb, plantar fasciitis, calcaneal spur, and sesamoiditis.
  • Foot data acquisition step (S110) Foot data is acquired from the foot image acquired in the foot image acquisition step (S100).
  • the foot data is the dimensions, size, etc. of each part of the foot. Foot data is acquired by measuring directly from the foot image of FIG.
  • the measured value L of the foot length is acquired from the foot images of both left and right feet.
  • the measured value m11 from the rear end of the heel bottom 24 to the position of the ball 25 is acquired.
  • the measured value m22 from the rear end of the heel bottom 24 to the position of the hypothenar 26 is acquired.
  • the measured value ⁇ of the length of the long side of the A4 paper and the measured value ⁇ of the length of the short side captured in the foot image are directly measured and acquired from the foot image.
  • the height a1 of the medial longitudinal arch 7 in the state where the toes of the feet are extended and the state where the toes of the feet are dorsiflexed (in the state where the toes of the feet are extended).
  • the height a2 of the inner vertical arch 7 at the time of windlass) is acquired.
  • the support member design step (S120) will be described. Based on the foot data acquired in the foot data acquisition step (S110), the height h of the support member 2 at the position corresponding to the arch of the foot, the inner length w1 of the support member 2, and the outer length w2 of the support member 2. , And the width w3 of the support member 2 is designed.
  • the method of designing the height h of the support member 2 at the position corresponding to the arch of the foot is performed using the above equation (1). Since the detailed explanation is as described above, the explanation here is omitted.
  • the design method of the inner length w1 of the support member 2 and the outer length w2 of the support member 2 is performed by using the following equations (6) and (7).
  • B is a constant and can take a value between 0.01 and 0.03.
  • the design method of the width w3 of the support member 2 is performed using the following formula (8).
  • C is a constant and can take a value between 0.03 and 0.07.
  • the design method of the width dimension w4 of the heel portion of the support member 2 As described above, the inside of the shoe 34 used by the patient is actually measured. Next, a method of designing the support member 2 when the shoe 34 used by the patient is a shoe having a high heel will be described.
  • the angle ⁇ formed between the straight line connecting the top 40 of the rear end portion of 2 is 5 degrees (deg) or more larger than the inclination angle ⁇ from the thumb ball 25 to the heel bottom 24 when the shoes 34 are worn.
  • the top 40 of the rear end portion of the support member 2 is designed to be low so that the difference between the angle ⁇ and the inclination angle ⁇ is 5 degrees (deg).
  • the support member is molded by a 3D printer.
  • the materials and the like used in the 3D printer are as described above.
  • the cushion member 3 is bonded to the upper surface of the support member 2 formed in the support member forming step (S130) with an adhesive or the like.
  • the cover portion 4 is bonded from the upper surface of the cushion member 3 with an adhesive or the like.
  • the insole molding step (S160) will be described.
  • the dimensions of the insole 1 are finely adjusted based on the shoe data.
  • the fine adjustment of the dimensions of the insole 1 has already been described, and details thereof will be omitted here. If the shoe data of the shoes used by the patient is not in the database, the dimensions of the insole 1 are fine-tuned by measuring from the shoes 34 used by the patient or the insole 33 thereof, as described in detail above.
  • the insole 1 that fits the skeleton of the patient's foot can be made based on the six foot images of the patient's foot, so that the insole 1 can be used for a patient in a remote place. It becomes possible to make.

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  • Orthopedics, Nursing, And Contraception (AREA)
PCT/JP2020/006131 2020-02-17 2020-02-17 インソール及びインソールの製造方法 WO2021166052A1 (ja)

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Citations (2)

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Publication number Priority date Publication date Assignee Title
JP2015100616A (ja) * 2013-11-27 2015-06-04 株式会社ランチェストンジャパン 靴
JP2016129673A (ja) * 2015-01-14 2016-07-21 スーパーフィート ワールドワイド， インコーポレイテッド 履物用インソール

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Publication number Priority date Publication date Assignee Title
US20090076772A1 (en) * 2007-09-18 2009-03-19 Esoles, Llc Footbeds and a Method and Apparatus for Producing Such Footbeds
US9615628B2 (en) * 2009-11-04 2017-04-11 Footbalance System Oy Insole and a method and a system for insole manufacture
US20120047767A1 (en) * 2010-08-30 2012-03-01 Brown Shoe Company, Inc. Anatomical shoe insert assembly
PL3817616T3 (pl) * 2018-07-05 2023-10-23 Footbalance System Oy Metoda i system uzyskiwania danych z analizy stóp

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015100616A (ja) * 2013-11-27 2015-06-04 株式会社ランチェストンジャパン 靴
JP2016129673A (ja) * 2015-01-14 2016-07-21 スーパーフィート ワールドワイド， インコーポレイテッド 履物用インソール

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