TWM600557U - Half-shaped insole especially for high arch - Google Patents

Abstract

A special half-shaped insole for high arches is composed of a surface layer, a middle layer and a bottom layer into a sandwich body. The supporting key area is the middle foot and the hind foot. The surface layer is a breathable fabric; the middle layer is a breathable cushion, and the foot is positioned relative to the calcaneus. Heel reinforcement cushion; the bottom layer is made of hard plastic integrally formed with an inner arch support part, an outer arch support part, and a cup-shaped heel support part, wherein the inner arch support part and the outer arch support part are provided at the bottom There are several muscle rib lines. The cup-shaped heel support is provided with a receiving slot hole relative to the middle heel reinforcement cushion. The slot hole is provided with a balancer on the periphery. The balancer is flat on the ground to stabilize the heel and avoid left and right Shaking eversion.

Description

Half-shaped insole for high arch

This creation is about an insole, especially a half-shaped insole that provides effective support for the midfoot and hindfoot of patients with high arches.

As we all know, the purpose of the insole design is to provide effective support for the foot to achieve a relaxing and cushioning effect. But how to design an effective support insole in response to the actual needs of the foot, you must start from understanding the bone structure of the foot.

Especially for patients with high arch feet, the arc of the foot is too high to affect the shock-absorbing function of the foot. When walking, the angle of the phalanx landing is too steep, which can easily cause ligament compression, heel valgus deformity, and the foot pressure is mostly concentrated on Forefoot and hind foot, muscles and fascia are relatively stiff, prone to varus and plantar fasciitis.

The anatomy of feet shown in Figure 1 shows that the feet include forefoot, midfoot and hindfoot, where:

The forefoot is composed of five long metatarsals (metatarsal) and five short phalanges (phalange);

The midfoot is pyramid-shaped and consists of three cuneiforms, a navicular and a cuboid, which form an arches of the feet;

The hind foot includes the talus (talus) and the largest calcaneus (calcaneus) of the foot, and the talus forms an ankle joint (ankle) with a tibia (tibia) and a fibula (fibula).

The arch of the foot includes the longitudinal arch and the transverse arch. The longitudinal arch extends from the heel to the end of the metatarsal bone, and is divided into the inner arch composed of the calcaneus, talus, navicular bone, cuneiform bone and three metatarsals on the medial side. It has better softness and curvature, which is conducive to shock absorption; the outer arch composed of the calcaneus, cuboid bone and two metatarsals on the outside is relatively flat and beneficial for support. The transverse arch is formed by the depression of the bottom surface of the metatarsal bone. It is called the metatarsal arch. The metatarsal arch only exists in a weight-bearing state. When standing and putting pressure on the foot, the metatarsal arch will tend to be flat.

Based on the above analysis of the bone structure of the foot, the focus of the contact between the foot and the ground lies in the junction of the metatarsal bones of the forefoot and the phalanx and the calcaneus of the hind foot. The arched foot arch that hangs in the interval between the aforementioned two stress points is the key support part of the insole, that is, the insole design should pay special attention to the effective support of the inner arch, outer arch and calcaneus, that is, the middle foot and Two blocks behind.

The applicant in this case is a professional manufacturer of air-cushion shoes. In 2004, he obtained a new patent No. M264892 with a "composite insole", which is a composite of an upper cushion formed by a soft material and a lower cushion formed by a rigid material. The lower pad is set as a gap on the right side of the sole of the foot, that is, the area on the right side of the toe bone, and the upper pad is provided with a protrusion downward relative to the gap, so that the upper pad and the lower pad are combined into one by the protrusion and the notch, and the composite is soft. The upper cushion has elastic shock absorption function to relieve foot pressure, while the hard lower cushion supports the soft upper cushion to avoid downward collapse, providing an insole with good bottom support and elastic air cushion shock absorption effect;

In 2007, he obtained a new patent No. M328203 for "insoles based on the concept of Harmony Taiji", including the inner arch support part that bulges toward the sole, the outer arch support part that bulges toward the sole, and The calcaneus support part is formed by a concave arc relative to the sole of the foot. The above-mentioned support parts are based on the actual measurement of the foot anatomy to measure the best position of each support part, thereby conforming to the biomechanics and providing the user to effectively reduce the pressure on the foot and Increase foot comfort;

In 2011, it obtained the new patent No. M416359 on the basis of "anatomy-based insoles conforming to biomechanics", which is composed of an upper cushion body, a lower cushion body and a support body; among them, the upper cushion body is relative to the front There is a shock-absorbing area protruding downward on the outer part of the foot; the lower cushion is opposite to the upper cushion, and an elastic area is arranged on the inner part of the forefoot. The insole is closer to the foot through the shock absorption and elastic and harmonious area distribution. Dynamic needs when walking;

In 2018, it obtained a new patent No. M564360 for "breathable insoles". It is composed of a breathable surface layer and a supporting bottom layer. The supporting bottom layer is formed by foaming into a lattice beam frame net. The lattice beam frames are arranged neatly and mutually The cross-shaped support units are connected to form a mesh, and the adjacent cross-shaped support units are surrounded by a mesh; when the insole is compressed during travel, the lattice beam frame formed by the majority of the cross-shaped support units will provide slow pressure support, and The hot and humid air generated during travel is compressed and flows downward through the mesh to the gap between the lattice frame and the shoe midsole and then is squeezed out of the shoe to achieve the ventilation effect of convection between the air in the shoe and the outside air.

Whether the above-mentioned insoles simply provide stress relief and cushioning or both have breathing and breathable effects, the commonality is a full-type insole, that is, the insole corresponds to the entire foot of the forefoot, midfoot, and hindfoot. Unless the shoe last is large enough, the thickness of the full-size insole often limits the space for movement of the forefoot bones, making it uncomfortable to squeeze the feet. Therefore, a half-type insole that provides effective support for the midfoot and hindfoot was born accordingly.

The applicant adheres to the attitude of excellence and strives to develop a half-shaped insole with a more streamlined structure but more significant benefits, especially to provide effective support for the midfoot and hindfoot of patients with high arches.

That is, the half-shaped insole of this creation is composed of a surface layer, a middle layer and a bottom layer to form a sandwich. The overall length is about three-quarters of the full-shaped insole. The supporting key areas are the midfoot and hindfoot. The surface layer is made of a soft, sweat-absorbing and breathable fabric. ; The middle layer is a highly elastic and breathable cushion, which is breathable and dry, Elastic support, cushion the impact of the ground reaction force on the foot; the bottom layer is integrally formed of hard plastic, which has good support, compression resistance and rollover prevention functions. The integrally formed bottom layer has an inner arch support part and an outer arch support part. And a cup-shaped heel support part, the inner arch support part and the bottom of the outer arch support part are provided with a number of muscle rib lines to enhance the support force of the inner arch support part and the outer arch support part, the cup-shaped The heel support part is provided with a slot hole for accommodating the heel reinforcement cushion, and a semicircular balancer protruding downward is provided on the periphery of the slot hole. The balancer is flat against the ground to stabilize the heel and avoid shaking from side to side. turn.

1: insole

11: Surface

111: Inner Arch Support

112: Outer Arch Support

113: Cup-shaped heel support

114: Metatarsal Pad

12: Middle

13: bottom layer

131: Muscle ribs

132: Balancer

14: Heel strengthening cushion

Figure 1 is an anatomical diagram of the foot;

Figure 2 is a top-view three-dimensional view of this creation; and

Figure 3 is a three-dimensional view of this creation from the bottom.

The characteristics of this creation can be clearly understood by referring to the detailed description of the scheme and embodiments of this case.

Please refer to Figures 2 and 3, the half-shaped insole 1 for high arches of this creation is composed of the surface layer 11, the middle layer 12 and the bottom layer 13 into a sandwich. The overall length is about three-quarters of the full-shaped insole, supporting key areas For midfoot and hindfoot. The surface layer 11 is a soft, sweat-absorbent and breathable leather or cloth fabric; the middle layer 12 is a highly elastic and breathable BPU cushion, which is breathable, dry, and elastic to cushion the impact of the ground reaction force on the feet; the bottom layer 13 is EVA hard plastic One-piece molding, with good support, compression and anti-rollover functions. among them:

Relative to the position of the third metatarsal and the fourth metatarsal, a thicker protruding metatarsal pad 114 is provided;

Relative to the position of the calcaneus, the middle layer 12 extends downward with a heel reinforcement cushion 14, which has the functions of strengthening cushioning, decompression, and stabilizing the heel, and effectively absorbing the pressure of the foot to protect the feet;

The bottom layer 13 is integrally formed with an inner arch support portion 111, an outer arch support portion 112, and a cup-shaped heel support portion 113. In order to provide effective support for the high-curved arch of a patient with a high arch, the inner arch support The forming curvature of the inner arch support portion 111 and the outer arch support portion 112 is higher than that of a general insole. Therefore, in order to enhance the support strength of the inner arch support portion 111 and the outer arch support portion 112, the inner arch support portion 111 And the bottom of the outer arch support portion 112 is provided with a number of muscle rib lines 131. The cup-shaped heel support portion 113 is provided with a slot for accommodating the soft pad at a position relative to the aforementioned middle heel strengthening soft pad 14, and the periphery of the slot is provided There is a semi-circular balancer 132 protruding downwards, by which the balancer 132 is flat against the ground to stabilize the heel and avoid lateral swinging and eversion.

It can be seen from the above that the half-shaped insole for high arches provided by this creation is composed of a surface layer, a middle layer, and a bottom layer to form a sandwich. The supporting key areas are the midfoot and hindfoot. The surface layer is a breathable fabric; the middle layer is a breathable cushion. A heel reinforcement cushion is provided at the position relative to the calcaneus; the bottom layer is made of hard plastic integrally formed with an inner arch support part, an outer arch support part, and a cup-shaped heel support part, wherein the inner arch support part and the The bottom of the outer arch support part is provided with a number of muscle ribs. The cup-shaped heel support part is provided with a receiving slot relative to the middle heel reinforcement cushion. The circumference of the slot is provided with a balancer, and the balancer is flat The ground stabilizes the heel to avoid side-to-side swinging and eversion, which fully meets the new and practical requirements of the new patent. However, the above descriptions are only the preferred embodiments of this creation, and are not limited to the scope of this creation's patents. Therefore, all simple modifications and equivalent structural changes made by using this creation specification and schematic content should include Within the scope of the patent of this creation, it is combined to Chen Ming.

1: insole

11: Surface

12: Middle

13: bottom layer

131: Muscle ribs

132: Balancer

14: Heel strengthening cushion

Claims (1)

A special half-shaped insole for high arches is composed of a breathable surface layer, a cushioning middle layer and a supporting bottom layer into a sandwich body; among them: The surface layer is made of breathable fabric; The middle layer is an elastic breathable cushion, with a heel strengthening cushion at the position relative to the calcaneus; The bottom layer is made of hard plastic and is integrally formed with an inner arch support part, an outer arch support part, and a cup-shaped heel support part. The inner arch support part and the bottom of the outer arch support part are provided with a number of muscle ribs. The cup The type heel support part is provided with a receiving slot hole relative to the middle heel reinforcement cushion, and the peripheral edge of the slot hole is provided with a balancer, and the balancer is flat against the ground to stabilize the heel and avoid side-to-side shaking and eversion.

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