Hallux valgus traction device

Abstract

The utility model belongs to the field of medical correction instruments, and particularly relates to a hallux valgus traction device which comprises a flexible binding belt and a traction limiting assembly, and the flexible binding belt is used for wrapping a sole; the traction limiting assembly comprises a bent elastic piece and a first limiting piece connected to one end of the bent elastic piece, the end, away from the first limiting piece, of the bent elastic piece is fixedly connected with the flexible bridle, and the first limiting piece is used for being attached to the inner side of the front end of the hallux. The bending elastic piece is located at the top and / or the bottom of the hallux, deforms due to the valgus hallux and stores elastic potential energy, the hallux is pulled in the reverse direction, and therefore the continuous correction effect is achieved. The flexible bridle, the bending elastic piece and the first limiting piece are all attached to the foot, can deform along with external force and can be restored, the size is small, the number of components is small, the structure is simple, and therefore the device can be worn during walking, the correction time per unit day is prolonged, the correction period can be shortened, and the correction effect is improved.

Description

Technical Field

[0001] This application belongs to the field of medical orthopedic devices, specifically relating to a hallux valgus traction device. Background Technology

[0002] Hallux valgus, also known as bunions, is a common foot condition characterized by the big toe deviating laterally at the first metatarsophalangeal joint. This condition is more common in middle-aged and elderly women, especially those with a genetic predisposition and those who wear ill-fitting shoes for extended periods. Inappropriate shoes, especially high heels and pointed shoes, can apply abnormal pressure to the big toe, leading to hallux valgus. Treatment often involves the use of professional orthotics.

[0003] Currently available hallux valgus correctors are not suitable for wearing while walking, are inconvenient for daily use, and thus limit the correction time per unit of days, resulting in a long correction cycle. Users often fail to maintain consistent use, leading to poor correction results. Utility Model Content

[0004] The technical problem to be solved by this application is to provide a hallux valgus traction device that can be worn while walking, which can shorten the correction period and thus improve the correction effect.

[0005] This application provides a hallux valgus traction device, comprising:

[0006] Flexible straps for wrapping the feet;

[0007] The traction limiting component includes a bending elastic element and a limiting element connected to one end of the bending elastic element. The end of the bending elastic element away from the limiting element is fixedly connected to a flexible strap. The limiting element is used to fit against the inner side of the front end of the big toe. In use, the bending elastic element is located at the top and / or bottom of the big toe and deforms under the action of the everted big toe, storing elastic potential energy to pull the big toe in the opposite direction.

[0008] Optionally, the bending elastic member includes a planar helical member, a connecting rod one connected to the inner end of the planar helical member, and a connecting rod two connected to the outer end of the planar helical member. The connecting rod one is fixedly connected to the flexible strap, and the connecting rod two is fixedly connected to the limiting member one.

[0009] Optionally, the planar helical component has 2-6 turns.

[0010] Optionally, the planar helical component is a circular helical component with a diameter of 1.5-3.5 cm;

[0011] And / or, the thickness of the planar helical component is 1-3 mm.

[0012] Optionally, the connecting rod extends through the entire width of the flexible strap and has a hook end that is embedded in the flexible strap.

[0013] Optionally, the connecting rod has an arc-shaped curved section. When in use, the arc-shaped curved section deforms and stores elastic potential energy under the action of the everted big toe, so as to pull the big toe in the opposite direction.

[0014] Optionally, the limiting member is U-shaped, and the plurality of bending elastic members are respectively connected to both ends of the limiting member.

[0015] Optionally, the traction limiting assembly further includes a second limiting member, which is connected to the bending elastic member and close to the flexible strap. In use, the second limiting member fits against the outside of the first finger joint.

[0016] Optionally, the second limiting member is U-shaped, and a plurality of the bending elastic members are respectively connected to both ends of the second limiting member.

[0017] Optionally, the flexible strap is an elastic bandage.

[0018] The beneficial effects of this application are that a flexible strap is fixed to the foot and its position can be adjusted to be close to or away from the toes, thereby relatively fixing the first metatarsal bone. A limiting member is fitted against the inner side of the tip of the big toe. One end of a flexible elastic member connected to the flexible strap serves as a fulcrum. The flexible elastic member deforms under the influence of the everted big toe and stores elastic potential energy, pulling the big toe in the opposite direction, thus achieving a continuous corrective effect. The flexible strap, flexible elastic member, and limiting member are all fitted to the foot and can deform and recover with external force. They are also small in size, have few components, and a simple structure, allowing them to be worn while walking. This extends the correction time per unit of time, shortens the correction cycle, and improves the corrective effect. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the hallux valgus traction device provided in this application;

[0020] Figure 2 for Figure 1 A top view of a hallux valgus traction device;

[0021] Figure 3 A schematic diagram of the bending elastic element provided in this application;

[0022] Figure 4 This is a schematic diagram of a flexible strap provided in this application.

[0023] In the diagram: 100, flexible strap; 110, Velcro; 200, tension limiting assembly; 210, bending elastic element; 211, planar spiral component; 212, connecting rod one; 2121, hook end; 2122, bow-shaped bending section; 213, connecting rod two; 220, limiting element one; 230, limiting element two. Detailed Implementation

[0024] To make the technical problems, technical solutions, and beneficial effects to be solved by this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and are not intended to limit the scope of this application.

[0025] like Figure 1-4 As shown, this application provides a hallux valgus traction device, including: a flexible band 100 and a traction limiting component 200. The flexible band 100 is used to wrap the foot. The traction limiting component 200 includes a bending elastic member 210 and a limiting member 220 connected to one end of the bending elastic member 210. The end of the bending elastic member 210 away from the limiting member 220 is fixedly connected to the flexible band 100. The limiting member 220 is used to fit against the inner side of the front end of the big toe. In use, the bending elastic member 210 is located at the top and / or bottom of the big toe and deforms under the influence of the hallux valgus, storing elastic potential energy to pull the big toe in the opposite direction.

[0026] Compared with existing technologies, the hallux valgus traction device provided in this application is fixed to the foot by a flexible strap 100, which can be adjusted to be closer to or further away from the toes to relatively fix the first metatarsal bone. A limiting member 220 is fitted against the inner side of the front end of the big toe. One end of a flexible elastic member 210 connected to the flexible strap 100 serves as a fulcrum. The flexible elastic member 210 deforms under the influence of the hallux valgus and stores elastic potential energy to pull the big toe in the opposite direction, thereby providing a continuous corrective effect. The flexible strap 100, the flexible elastic member 210, and the limiting member 220 are all fitted to the foot and can deform and recover with external force. They are also small in size, have few components, and a simple structure, allowing them to be worn while walking. This extends the correction time per unit of time, shortens the correction cycle, and improves the corrective effect.

[0027] It should be noted that, in its natural state, the bending elastic element 210 is tilted at a certain angle away from the flexible strap 100. That is, when in use, the bending elastic element 210 is tilted to be parallel to the big toe, and the bending elastic element 210 stores a certain amount of elastic potential energy.

[0028] In one embodiment, the bending elastic member 210 includes a planar helical member 211, a connecting rod 212 connected to the inner end of the planar helical member 211, and a connecting rod 213 connected to the outer end of the planar helical member 211. The connecting rod 212 is fixedly connected to the flexible strap 100, and the connecting rod 213 is fixedly connected to the limiting member 220. Specifically, one of the determining factors for the amount of elastic potential energy stored in the bending elastic member 210 is the size of its deformable structure. Within a limited space, compared to a simple arc structure, the planar helical member 211 has more deformable structures, can store more elastic potential energy, and is less prone to plastic deformation, ensuring a more durable corrective effect. The limiting member is made of plastic, rubber, or latex, and the connecting rod 213 is inserted into the limiting member and fixed by heat bonding. The flexible strap 100 is made of elastic woven fabric, rubber, or silicone, and the connecting rod 212 is inserted into the flexible strap 100 and fixed by heat bonding or adhesive bonding.

[0029] In one embodiment, the planar helical member 211 has 2-6 turns. Specifically, the bending elastic member 210 uses steel wire as raw material. A portion of the steel wire is bent to form a connecting rod 212. Starting from the bend, it is wound around the wire 2-6 times in a spiral path on the same plane, or more than 6 times, to form the planar helical member 211. The remaining steel wire connected to the planar helical member 211 is kept at an appropriate length as a connecting rod 213. The connecting rod 213 may also have appropriate bends to increase the contact area with the limiting member 220 and improve the connection strength.

[0030] In one embodiment, the planar helical member 211 is a circular helical member with a diameter of 1.5-3.5cm; preferably, the diameter of the planar helical member 211 is 2-2.5cm.

[0031] In one embodiment, the thickness of the planar helical member 211 is 1-3 mm. Specifically, the diameter of the steel wire used to make the bending elastic member 210 is 1-3 mm, which prevents the bending elastic member 210 from being too thick, reduces the volume, and maintains a suitable elastic force.

[0032] In one embodiment, the connecting rod 212 extends across the entire width of the flexible strap 100, and the end of the connecting rod 212 has a hook end 2121 that is embedded within the flexible strap 100. Thus, the hook end 2121 reduces the angle of relative deflection between the connecting rod 212 and the flexible strap 100, making the bending elastic element 210 more stable relative to the flexible strap 100, thereby placing the bending elastic element 210 in a more correct corrective position relative to the big toe.

[0033] In one embodiment, the connecting rod 212 has an arc-shaped curved section 2122, which is equivalent to forming a secondary structure for storing elastic potential energy. In use, the arc-shaped curved section 2122 deforms and stores elastic potential energy when subjected to an everted big toe, thereby pulling the big toe in the opposite direction. This improves the corrective strength of the bending elastic element 210.

[0034] In one embodiment, the limiting member 220 is U-shaped, with multiple flexible elements 210 connected to both ends of the limiting member 220. The U-shaped limiting member 220 is easier to align with the big toe, and the two or more flexible elements 210 not only improve the corrective strength but also make the overall structure more balanced, preventing the limiting member 220 and the flexible elements 210 from shifting. Preferably, two flexible elements 210 are connected to both ends of the limiting member 220.

[0035] In one embodiment, the traction limiting assembly 200 further includes a second limiting member 230, which is connected to the flexible elastic member 210 and close to the flexible strap 100. In use, the second limiting member 230 fits against the outer side of the first metatarsophalangeal joint. The second limiting member serves to fix the first metatarsophalangeal joint.

[0036] In one embodiment, the limiting member 230 is U-shaped, and multiple flexible members 210 are respectively connected to both ends of the limiting member 230. The U-shaped limiting member 230 is easier to align with the big toe.

[0037] In one embodiment, the flexible bandage 100 is an elastic bandage. Specifically, the flexible bandage 100 is connected to and wraps around the foot via Velcro 110, or it can be connected and wrapped around the foot via a strap.

[0038] In some embodiments, such as Figure 4 As shown, the flexible strap 100 has an elliptical arc structure and wraps around the foot through its own elastic deformation. Different sizes of flexible straps 100 are used to match different sizes.

[0039] Those skilled in the art should understand that the discussion of any of the above embodiments is merely exemplary and is not intended to imply that the scope of protection of this application is limited to these examples; within the framework of this application, the technical features of the above embodiments or different embodiments can also be combined, the steps can be implemented in any order, and there are many other variations of different aspects of one or more embodiments of this application as described above, which are not provided in detail for the sake of brevity.

[0040] One or more embodiments in this application are intended to cover all such substitutions, modifications, and variations that fall within the broad scope of this application. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of one or more embodiments in this application should be included within the protection scope of this application.

Claims

1. A hallux valgus traction device, characterized in that, include: Flexible straps (100) are used to wrap the soles of the feet; The traction limiting component (200) includes a bending elastic element (210) and a limiting element one (220) connected to one end of the bending elastic element (210). The end of the bending elastic element (210) away from the limiting element one (220) is fixedly connected to a flexible strap (100). The limiting element one (220) is used to fit against the inner side of the front end of the big toe. In use, the bending elastic element (210) is located at the top and / or bottom of the big toe and deforms under the action of the everted big toe, storing elastic potential energy to pull the big toe in the opposite direction.

2. The hallux valgus traction device according to claim 1, characterized in that, The bending elastic member (210) includes a planar helical member (211), a connecting rod one (212) connected to the inner end of the planar helical member (211), and a connecting rod two (213) connected to the outer end of the planar helical member (211). The connecting rod one (212) is fixedly connected to the flexible strap (100), and the connecting rod two (213) is fixedly connected to the limiting member one (220).

3. The hallux valgus traction device according to claim 2, characterized in that, The planar helical component (211) has 2-6 turns.

4. The hallux valgus traction device according to claim 2, characterized in that, The planar helical component (211) is a circular helical component with a diameter of 1.5-3.5cm; And / or, the thickness of the planar helical member (211) is 1-3 mm.

5. The hallux valgus traction device according to claim 2, characterized in that, The connecting rod (212) extends through the entire width of the flexible strap (100), and the end of the connecting rod (212) has a hook end (2121) that is embedded in the flexible strap (100).

6. The hallux valgus traction device according to claim 2, characterized in that, The connecting rod (212) has an arc-shaped curved section (2122). When in use, the arc-shaped curved section (2122) is deformed by the everted big toe and stores elastic potential energy to pull the big toe in the opposite direction.

7. The hallux valgus traction device according to any one of claims 1-6, characterized in that, The limiting member (220) is U-shaped, and multiple bending elastic members (210) are respectively connected to both ends of the limiting member (220).

8. The hallux valgus traction device according to claim 7, characterized in that, The traction limiting component (200) also includes a limiting member two (230), which is connected to the bending elastic member (210) and close to the flexible strap (100). In use, the limiting member two (230) fits against the outside of the first finger joint.

9. The hallux valgus traction device according to claim 8, characterized in that, The limiting member two (230) is U-shaped, and multiple bending elastic members (210) are respectively connected to both ends of the limiting member two (230).

10. The hallux valgus traction device according to any one of claims 1-6, characterized in that, The flexible bandage (100) is an elastic bandage.

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