JP2004181202A - Insole for footwear and footwear - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide insoles for the footwear which achieve the ideal correction of the foot skeleton simply by selecting the type and the foot size of a wearer to match the own condition (before or after the delivery) and obtain therapeutic and preventive effects for orthopaedic problems below the waist. <P>SOLUTION: In the insoles for the footwear, convex shapes for conditioning the three arches of the foot skeleton, i.e., the lateral arch C3, the inside longitudinal arch C4 and the outside longitudinal arch C5, are formed on faces of the insoles in contact with the foot. The shapes for conditioning the lateral, the inner longitudinal and the outer longitudinal arches are so arranged as to fit the shape of the sole, and the convex shapes are connected together with a smooth curved surface while the level of the rear foot part is higher than the front foot part and an inclination is formed to the inside of the ankle bone from the outside thereof. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to an insole and footwear for footwear, and more particularly to an insole for footwear and a footwear which can obtain a therapeutic and preventive effect on an orthopedic problem after childbirth.
[0002]
[Prior art]
Heretofore, there have been no footwear insoles for pre- and post-natal orthopedic problems such as foot pain, knee pain, back pain, swelling of the feet and the like.
[0003]
[Patent Document 1]
Japanese Patent Application Laid-Open No. 2002-159302
[Problems to be solved by the invention]
By the way, in the past, there were no insoles for prenatal and postpartum insoles, so many pregnant women had to endure these problems, and they were treated as if they could give birth even if they visited orthopedic surgery. .
[0005]
The present invention has been made to solve the above-mentioned problems. The purpose of the present invention is to solve the above-mentioned problem, and a woman who intends to use the insole according to his / her condition (before and after childbirth) has a suitable type. Providing footwear insoles and footwear that provide the ideal foot skeletal correction and provide therapeutic and preventive effects on lower back orthopedic problems by simply selecting the foot size of the foot It is in.
[0006]
[Means for Solving the Problems]
In order to achieve the above object, a footwear insole according to the present invention according to claim 1 is provided with three convex arches of a foot skeleton, a horizontal arch, an inner vertical arch, and an outer vertical arch on a surface of the insole in contact with the foot. Shape is given,
The shape that adjusts the lateral arch is a shape that fits the sole shape, and the size is such that the width does not cover the first and fifth metatarsals and the length is the second and third metatarsals. In the degree, the height is slightly lower than the height that keeps the horizontal arch in a normal shape, and the position is centered on the middle of the second and third metatarsals, located in the heel direction from the MP line,
The shape that arranges the medial vertical arch is a shape that fits the sole shape, and the size is from the inside of the first wedge bone to the outside of the third wedge bone, and the length is from the vicinity of the first metatarsal head to the calcaneus. Up to near the distance projection, the height is about keeping the inner vertical arch in a normal shape, and the position is located under the bone mentioned above,
The shape that trims the outer longitudinal arch is a shape that fits the sole shape, and the size is about the width from the outside of the fifth metatarsal floor to the inside of the fifth metatarsal floor, and the length is the fifth metatarsal floor From the vicinity of the center of the calcaneus, the height is about the level that keeps the outer vertical arch in a normal shape, and the position is located under the bone mentioned above,
The convex shapes are connected to each other by a smooth curved surface, the level of the hindfoot is higher than that of the forefoot, and the slope is inclined from the outside of the calcaneus to the inside of the calcaneus.
[0007]
Therefore, a convex shape is provided to adjust the three arches of the skeleton of the foot, thereby correcting the foot skeleton due to loosening of the joint, and reducing the risk of falling backward by raising the hind foot higher than the forefoot. You. Also, by raising the outside of the calcaneus, it is not necessary to widen the distance between the right and left feet and to maintain a balance, thereby reducing the burden on the muscles that hold the limb position.
[0008]
The footwear insole of the present invention according to claim 2 is provided with a convex shape that arranges three arches of a foot skeleton, a horizontal arch, an inner vertical arch, and an outer vertical arch, on a surface of the insole in contact with the foot,
The shape that adjusts the horizontal arch is a shape that fits the sole shape, and the size is such that the width does not cover the first and fifth metatarsals, and the length is about the second and third metatarsals In addition, the height keeps the horizontal arch in a normal shape, it is located in the heel direction from the MP line,
The shape that arranges the medial vertical arch is a shape that fits the sole shape, and the size is from the inside of the first wedge bone to the outside of the third wedge bone, and the length is from the vicinity of the first metatarsal head to the calcaneus. Up to near the distance projection, the height is about keeping the inner vertical arch in a normal shape, and the position is located under the bone mentioned above,
The shape that adjusts the outer vertical arch is a shape that fits the sole shape, the size is about the width from the outside of the fifth metatarsal floor to the inside of the fifth metatarsal floor, and the length is the fifth metatarsal floor From the heel bone to the center of the calcaneus, the height is about to keep the outer vertical arch in a normal shape, the position is located under the aforementioned bone,
Further, these convex shapes are characterized by being connected to each other by a smooth curved surface.
[0009]
Therefore, by using the convex insole for trimming the three arches, the normal state before pregnancy can be quickly restored.
[0010]
The footwear insole of the present invention according to claim 3 is characterized in that, in the footwear insole according to claim 1 or 2, the structure comprises a multilayer structure of a front material and a back material.
[0011]
Therefore, since the structure has a multilayer structure of the front material and the back material, it can be easily manufactured.
[0012]
According to a fourth aspect of the present invention, there is provided an insole for footwear according to the third aspect, wherein the backing material is made of an elastomer or cork.
[0013]
Therefore, since the sole material is made of an elastomer or cork, the insole for footwear is rich in elasticity, the impact is softly absorbed, and the foot sole feels good and is strong.
[0014]
A footwear according to a fifth aspect of the present invention is characterized in that the footwear insole according to the first, third or fourth aspect is provided on an upper portion of the footwear body.
[0015]
Therefore, since the footwear insole according to claim 1, 3 or 4 is provided on the upper part of the footwear body, a convex shape is provided to arrange three arches of the foot skeleton, and the foot due to loosening of the joint is provided. The skeleton is corrected, and the danger of falling backward by raising the hind legs higher than the fore legs is reduced. In addition, by raising the outside of the calcaneus, it is not necessary to widen the interval between the right and left feet and to keep the balance, so that the burden on the muscles holding the two limbs is reduced.
[0016]
A footwear according to a sixth aspect of the present invention is characterized in that the footwear insole according to the second, third or fourth aspect is provided on an upper portion of a footwear main body.
[0017]
Therefore, since the footwear insole according to claim 2, 3 or 4 is provided on the upper part of the footwear body, the use of the insole provided with a convex shape for trimming the three arches enables the pre-pregnancy insole. Will be restored to normal condition sooner.
[0018]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
[0019]
Before describing the footwear insole of the present invention, the skeleton of the foot will be described first. In FIG. 5, the talus 1 is located above the tibia, and the calcaneus 3 is located above the talus 1. At the upper part of the calcaneus 3, a calcaneus distance projection 5 protrudes. At the front of the talus 1 there is a scaphoid 7. At the front of the scaphoid 7, there are a first wedge 9, a second wedge 11, a third wedge 13, and a cuboid 15 from left to right (from top to bottom in FIG. 5). The first metatarsal bone 17, the second metatarsal bone 19, the third metatarsal bone 21, and the fourth metatarsal bone are arranged from left to right (from top to bottom in FIG. 5) in front of the first cuneiform bone 9. 23 and the fifth metatarsal 25 are present. The rear part of the fifth metatarsal 25 has a fifth metatarsal bottom 27. The first metatarsal bone 17, the second metatarsal bone 19, the third metatarsal bone 21, the fourth metatarsal bone 23, and the fifth metatarsal bone 25 have a first metatarsal head 29, There is a metatarsal head 31, a third metatarsal head 33, a fourth metatarsal head 35, and a fifth metatarsal head 37. In addition, an outer seed bone 39 and an inner seed bone 41 are provided above the first metatarsal head 29.
[0020]
In addition, the first metatarsal head 29, the second metatarsal head 31, the third metatarsal head 33, the fourth metatarsal head 35, and the fifth metatarsal head 37 are located in front of the first base phalanx 43 and the second metatarsal head 37. There are a proximal phalanx 45, a third proximal phalanx 47, a fourth proximal phalanx 49, and a fifth proximal phalanx 51. A first distal phalanx 53 is located in front of the first proximal phalanx 43, and a second distal phalanx 57 is located in front of the second proximal phalanx 45 via a second middle phalanx 55. A third distal phalanx 61 is located in front of the bone 47 via a third intermediate phalanx 59, and a fourth distal phalanx 65 is located in front of the fourth proximal phalanx 49 via a fourth middle phalanx 63. A fifth distal phalanx 69 is located in front of the fifth proximal phalanx 51 via a fifth middle phalanx 67.
[0021]
The first metatarsal head 29, the second metatarsal head 31, the third metatarsal head 33, the fourth metatarsal head 35, and the fifth metatarsal head 37, a first proximal phalanx 43, and a second proximal phalanx 45 The front of the curve C1 between the third base phalanx 47, the fourth base phalanx 49, and the fifth base phalanx 51 is referred to as a forefoot 71. In addition, the first wedge 9, the second wedge 11, the third wedge 13, the cuboid 15, the first metatarsal 17, the second metatarsal 19, the third metatarsal 21 and the fourth middle A portion between the curve C2 between the foot bone 23 and the fifth metatarsal bone 25 and the curve C1 is referred to as a metatarsal portion 73. Further, the rear side of the curve C2 is referred to as a rear foot portion 75. In FIG. 5, the curves C3, C4, and C5 are called a horizontal arch, an inner vertical arch, and an outer vertical arch, respectively.
[0022]
Next, the insole for footwear will be described. First, referring to FIGS. 1 and 2 (A) to 2 (D), the structure of the insole for footwear 81 has a front material 83 which is a surface layer and a back material which is a back layer. The material 85 has a multilayer structure, and is integrated by a molding press or the like. Therefore, since the structure has a multilayer structure of the front material 83 and the back material 85 such as woven fabric and natural leather, it can be easily manufactured. The backing material 85 is made of an elastomer such as PU, EVA, SBR, silicone or cork. Therefore, since the backing material 85 is made of an elastomer or cork, the footwear insole 81 is rich in elasticity, can absorb shocks softly, and has a good feeling and durable sole.
[0023]
In order to secure the pelvic birth canal for childbirth, the action of female hormones loosens the pelvic connection, but at the same time looses the skeleton connection of the whole body, and also adds to the factor of weight gain due to fetal growth Problems such as lower limb and lower back pain occur. In addition, the swelling of the abdomen worsens the balance during standing and walking, and increases the risk of falling backwards. In addition, since the distance between the left and right feet is widened to balance the muscles, a load is imposed on the muscles that hold the legs.
[0024]
For this reason, a convex shape is provided in order to arrange the three arches of the skeleton of the foot, thereby correcting the foot skeleton due to loosening of the joint, and lowering the risk of falling backward by raising the hind foot higher than the forefoot. In addition, by raising the outside of the calcaneus, it is not necessary to widen the interval between the right and left feet and to keep the balance, so that the load on the muscles that hold the limb position can be reduced.
[0025]
In FIGS. 1 and 2A to 2D, the surface of the insole 81 that contacts the foot, that is, the front material 83, is provided with three arches of the skeleton of the foot, a horizontal arch C3, an inner vertical arch C4, and an outer vertical arch C5. A convex shape that adjusts the shape is given.
[0026]
The shape 87 that arranges the lateral arch C3 is a shape that fits, for example, a drop-shaped foot sole shape, and has a size such that the width does not cover the first metatarsal 17 and the fifth metatarsal 25 having a width of, for example, 40 to 60 mm. In the second and third metatarsals 19 and 21 having a length of, for example, 60 to 80 mm, the height is slightly lower than a height for maintaining a horizontal arch having a normal shape of, for example, 3 to 10 mm. 2. The third metatarsal 19, 21 is located in the heel direction from the MP line with the center at the center.
[0027]
The shape 89 for adjusting the inner vertical arch C4 is, for example, a shape that fits the sole shape of a leaf-like shape, and has a size from the inside of the first wedge-shaped bone 9 having a width of, for example, 35 to 55 mm from the third wedge-shaped bone 13. A normal inner vertical arch C4 having a height of, for example, 5 to 12 mm from the vicinity of the head of the first metatarsal 17 having a length of, for example, 80 to 110 mm to the vicinity of the distance supporting protrusion 5 of the calcaneus 3 is approximately normal. As far as the shape is maintained, it is located below the bone described above.
[0028]
The shape 91 that arranges the outer longitudinal arch C5 is a shape that fits the sole shape of a leaf-like shape, for example, and the size is, for example, from the outside of the fifth metatarsal bottom having a width of 20 to 30 mm to the fifth metatarsal bone. The outer vertical arch C5 having a height of, for example, 3 to 7 mm is maintained in a normal shape from the bottom 27 of the fifth metatarsal 25 having a length of, for example, 40 to 60 mm to the center of the calcaneus 3 to the inside of the bottom. To the extent, it is located below the bone described above. In addition, these convex shapes are connected to each other by a smooth curved surface, and the hind foot 75 is higher than the fore foot 71 by, for example, 3 to 5 mm. It has a 6 mm higher slope.
[0029]
With the above-described configuration, a convex shape is provided to adjust the three arches of the skeleton of the foot, so that the foot skeleton due to loosening of the joint can be corrected, and the rear foot 75 is higher than the front foot 71 and falls backward. The risk of doing so can be reduced. In addition, by raising the outside of the calcaneus 3, it is not necessary to widen the interval between the right and left feet and to maintain a balance, so that the load on the muscles holding the limb can be reduced.
[0030]
FIGS. 3 and 4 (A) to (D) show another embodiment that replaces FIGS. 1 and 2 (A). 3 and FIGS. 4A to 4D, the same components as those in FIGS. 1 and 2A are denoted by the same reference numerals, and redundant description will be omitted.
[0031]
Leaving the skeleton of the foot loose for childbirth will leave it in a collapsed skeleton, which will continue to cause orthopedic problems below the waist after childbirth. Therefore, by using a convex insole for adjusting three arches to obtain an ideal foot skeleton, a normal state before pregnancy can be quickly restored.
[0032]
3 and 4 (A) to 4 (D), the surface of the insole 81 that contacts the foot, that is, the front material 83, is provided with three arches of the foot skeleton, the horizontal arch C <b> 3, the inner vertical arch C <b> 4, and the outer vertical arch C <b> 5 A convex shape that adjusts the shape is given.
[0033]
The shape 87 that arranges the horizontal arch C3 is a shape that fits, for example, the shape of a drop-shaped foot sole, and the size is such that it does not cover the first metatarsal 17 and the fifth metatarsal 25 having a width of, for example, 40 to 60 mm. The length of the second and third metatarsals 19 and 21 is, for example, 60 to 80 mm, the height is, for example, 5 to 15 mm, and the horizontal arch C3 is in a normal shape. Located in the direction.
[0034]
The shape 89 for adjusting the inner vertical arch C4 is a shape that fits the sole shape of a leaf-like shape, and the size is, for example, from the inside of the first wedge-shaped bone 9 having a width of 35 to 55 mm from the third wedge-shaped bone 13. An inner vertical arch C5 having a height of, for example, 5 to 12 mm from the vicinity of the head of the first metatarsal 17 having a length of, for example, 80 to 110 mm to the vicinity of the distance projection 5 of the calcaneus 3, having a normal shape. It is located just below the bone as described above.
[0035]
The shape 91 that arranges the outer vertical arch C5 is a shape that fits the sole shape of a leaf-like shape, and the size is from the outside of the bottom 27 of the fifth metatarsal 25 having a width of, for example, 20 to 30 mm. The inside of the bottom 27 of the fifth metatarsal 25, for example, from the bottom 27 of the fifth metatarsal 25 having a length of 40 to 60 mm to the vicinity of the center of the calcaneus 3 and having a height of, for example, 3 to 7 mm. The position is located below the above-mentioned bone to the extent that the outer vertical arch C4 is kept in a normal shape.
[0036]
These convex shapes are connected to each other by a smooth curved surface.
[0037]
According to the above configuration, the use of the insole 81 having a convex shape for trimming the three arches makes it possible to quickly recover to a normal state before pregnancy.
[0038]
FIG. 6A is a perspective view of the insole 81 described with reference to FIG. 1 or FIG. 3, and FIG. 6B is a perspective view of, for example, indoor shoes 93 as footwear.
[0039]
In FIG. 6 (B), the indoor shoe 93 is composed of an outsole 95 and an insole 97 that match the shape of the sole, and the insole 81 fits exactly around the outer periphery of the insole 97. Thus, the outer peripheral edge 99 raised upward is formed.
[0040]
With the above configuration, when the insole 81 having the shape shown in FIG. 1 or FIG. 3 is fitted into the outer peripheral edge 99 of the insole 97 as shown in FIG. 7, the indoor shoe 93 fits tightly. .
[0041]
As a result, by using the insole 81 having the shape shown in FIG. 1 to form the indoor shoe 93, similarly to claim 1, a convex shape is applied to adjust the three arches of the skeleton of the foot, and It is possible to correct the orthoskeleton due to the loosening of the joint, and to lower the risk of falling backward by making the rear foot higher than the front foot. In addition, by raising the outside of the calcaneus, it is not necessary to widen the distance between the right and left feet and to maintain a balance, so that the load on the muscles that hold the limb can be reduced.
[0042]
In addition, by using the insole 81 having the shape shown in FIG. 3 to form the indoor shoe 93, a convex shape for adjusting the three arches is used, and the normal state before pregnancy can be quickly restored. be able to.
[0043]
As a means for fitting the insole 81 having the shape shown in FIG. 1 or FIG. 3 to the insole 97 of the indoor shoe 93, the insole 81 may simply be detachably fitted, or a magic tape (registered trademark) may be used. ) May be used so as to be detachably fitted. Alternatively, the insole 81 may be integrated with the midsole 97 of the indoor shoe 93 using an adhesive or the like.
[0044]
Although the indoor shoe 93 has been described as an example of the footwear, other footwear such as shoes may be used.
[0045]
The present invention is not limited to the above-described embodiment, but can be embodied in other modes by making appropriate changes.
[0046]
【The invention's effect】
As can be understood from the above description of the embodiments of the present invention, according to the invention of claim 1, a convex shape is provided to adjust three arches of a skeleton of a foot, and loosening of joints for childbirth. Can be corrected, and the risk of falling backward by lowering the rear foot than the front foot can be reduced. In addition, by increasing the outside of the calcaneus, it is not necessary to widen the distance between the left and right feet to maintain a balance, so that the load on the muscles that hold the limb can be reduced.
[0047]
According to the invention of claim 2, by using the insole provided with the convex shape for adjusting the three arches, it is possible to quickly recover to a normal state before childbirth.
[0048]
According to the third aspect of the present invention, since the structure has a multilayer structure of the front material and the back material, it can be easily manufactured.
[0049]
According to the invention of claim 4, since the sole material is made of an elastomer or cork, the insole for footwear is rich in elasticity, can absorb shocks softly, and the foot sole has a good feel and is durable. .
[0050]
According to the fifth aspect of the present invention, similarly to the first aspect, a convex shape is provided to adjust three arches of the skeleton of the foot, and the foot skeleton due to loosening of the joint toward childbirth can be corrected. In addition, it is possible to lower the danger of falling backward by raising the rear foot portion from the front foot portion. In addition, by increasing the outside of the calcaneus, it is not necessary to widen the distance between the left and right feet to maintain a balance, so that the load on the muscles that hold the limb can be reduced.
[0051]
According to the sixth aspect of the present invention, similar to the second aspect, by using the insole provided with the convex shape for adjusting the three arches, the normal state before pregnancy can be quickly restored.
[Brief description of the drawings]
FIG. 1 is a bottom view of a shoe insole according to the present invention.
2 (A) is a perspective view of the insole for footwear in FIG. 1, (B) is a cross-sectional view taken along the line BB 'of (A), and (C) is a line CC' of (A). (D) is a sectional view taken along line DD ′ of (A).
FIG. 3 is a bottom view of another insole for footwear of the present invention.
4 (A) is a perspective view of the insole for footwear in FIG. 3, (B) is a cross-sectional view taken along line BB 'of (A), and (C) is line CC' of (A). (D) is a sectional view taken along line DD ′ of (A).
FIG. 5 is a bottom view showing the skeleton of the right foot.
6 (A) is a perspective view of an insole shown in FIG. 1 or FIG. 3, and FIG. 6 (B) is a perspective view of, for example, indoor shoes as footwear.
FIG. 7 is a perspective view showing a state in which an insole is fitted into an inner sole of, for example, indoor shoes as footwear.
[Explanation of symbols]
Reference Signs List 1 talus 3 calcaneus 5 calcaneal plaque 7 scaphoid 9 first wedge 11 second wedge 13 third wedge 15 cubic 17 first metatarsal 19 second metatarsal 21 third metatarsal Bone 23 Fourth metatarsal bone 25 Fifth metatarsal bone 27 Fifth metatarsal floor 29 First metatarsal head 31 Second metatarsal head 33 Third metatarsal head 35 Fourth metatarsal head 37 Fifth metatarsal head 43 1st phalanx 45 45 2nd phalanx 47 47 3rd phalanx 49 49 4th phalange 51 5th phalanx 71 Forefoot 73 Midfoot 75 Hindfoot 81 Insole for footwear 83 Front material 85 Back Material 93 Indoor shoes (footwear)
95 Outsole 97 Middle sole 99 Outer edge C3 Horizontal arch C4 Inner vertical arch C5 Outer vertical arch

Claims (6)

On the surface in contact with the insole foot, a convex shape that arranges the three arches of the foot skeleton, the horizontal arch, the inner vertical arch, and the outer vertical arch, is given,
The shape that adjusts the horizontal arch is a shape that fits the sole shape, and the size is such that the width does not cover the first and fifth metatarsals, and the length is about the second and third metatarsals The height is slightly lower than the height that keeps the horizontal arch in a normal shape, and the position is centered on the middle of the second and third metatarsal bones, and the first to fifth metatarsal heads are straight lines. It is located in the heel direction from the connecting line (hereinafter referred to as MP line),
The shape that adjusts the medial vertical arch is a shape that fits the sole shape. Up to near the distance projection, the height is about keeping the inner vertical arch in a normal shape, and the position is located below the bone mentioned above,
The shape that trims the outer longitudinal arch is a shape that fits the sole shape, and the size is about the width from the outside of the fifth metatarsal floor to the inside of the fifth metatarsal floor, and the length is the fifth metatarsal floor From the vicinity of the center of the calcaneus, the height is about the extent to keep the outer vertical arch in a normal shape, and the position is located under the bone mentioned above,
In addition, these convex shapes are connected to each other by a smooth curved surface, the level of the hind foot is higher than that of the forefoot, and the insole for footwear is characterized by being inclined from the outside of the calcaneus to the inside of the calcaneus. On the surface in contact with the insole foot, a convex shape that arranges the three arches of the foot skeleton, the horizontal arch, the inner vertical arch, and the outer vertical arch, is given,
The shape that adjusts the horizontal arch is a shape that fits the sole shape, and the size is such that the width does not cover the first and fifth metatarsals, and the length is about the second and third metatarsals In addition, the height is about the level that keeps the horizontal arch in a normal shape, it is located in the heel direction from the MP line,
The shape that adjusts the medial vertical arch is a shape that fits the sole shape. Up to near the distance projection, the height is about keeping the inner vertical arch in a normal shape, and the position is located below the bone mentioned above,
The shape that adjusts the outer vertical arch is a shape that fits the sole shape, the size is about the width from the outside of the fifth metatarsal floor to the inside of the fifth metatarsal floor, and the length is the fifth metatarsal floor From the to the center of the calcaneus, the height is about keeping the outer longitudinal arch in a normal shape, the position is located under the bone mentioned above,
In addition, these convex shapes are connected to each other by a smooth curved surface, and are insole for footwear. The insole for footwear according to claim 1 or 2, wherein the structure comprises a multilayer structure of a front material and a back material. The insole for footwear according to claim 3, wherein the backing material is made of an elastomer or cork. A footwear comprising the footwear insole according to claim 1, 3 or 4, provided on an upper part of the footwear body. A footwear comprising the footwear insole according to claim 2, 3, or 4 on an upper part of the footwear body.

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