Functional ankle joint orthosis

By designing a functional ankle orthosis device including a leg fixing sleeve, foot support and articulated connection, the problem of poor correction of valgus and valgus feet in the prior art is solved, passive correction of valgus and valgus feet is achieved, and the correction effect is improved.

CN223041684UActive Publication Date: 2025-07-01BEIJING JIYI JIANYUAN MEDICAL TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202421881959.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-06
Publication Date
2025-07-01
Estimated Expiration
2034-08-06

AI Technical Summary

Technical Problem

The existing night-use functional ankle orthosis has poor effect in correcting valgus and valgus feet, and has no obvious correction effect after a long period of use.

Method used

A functional ankle joint orthosis device is designed, including a leg fixing sleeve, a foot support and an orthotic device. The orthotic device consists of a first connecting part and a second connecting part, which are hingedly connected, and the second connecting part can rotate relative to the first connecting part. Combined with the design of a gravity state and a natural state, an elastic driving member drives the second connecting part to rotate in a natural state and applies a correction force.

Benefits of technology

Passive correction of the valgus and valgus feet is achieved, the correction effect is improved, and the correction effect of the corrector during long-term use is enhanced.

✦ Generated by Eureka AI based on patent content.

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Abstract

The functional ankle joint orthosis is used for correcting the valgus foot or the introversion foot, the functional ankle joint orthosis comprises a leg fixing sleeve, a foot support and an orthosis device, the orthosis device is connected with the leg fixing sleeve and the foot support, the orthosis device comprises a first connecting part and a second connecting part, the first connecting part is connected with the leg fixing sleeve, and the second connecting part is connected with the leg fixing sleeve. The second connecting part is connected with the foot support, the first connecting part is hinged to the second connecting part, and the second connecting part can rotate relative to the first connecting part; wherein the functional ankle joint orthosis comprises a gravity state and a natural state, in the gravity state, the first connecting part and the second connecting part are located on the same plane, and in the natural state, the first connecting part and the second connecting part are arranged at an included angle. Through the functional ankle joint orthosis disclosed by the invention, the effect of passively correcting the talipes varus or the talipes valgus can be realized after a talipes varus or talipes valgus patient wears the functional ankle joint orthosis.
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Description

Technical Field

[0001] The present disclosure relates to the technical field of medical device structures, and particularly relates to a functional ankle orthosis. Background Art

[0002] Valgus foot and varus foot are generally corrected by targeted rehabilitation training and using corresponding orthotics to enable the patient's foot to return to normal so that they can walk normally. Existing night-use functional ankle orthotics fix the patient's ankle or ankle joint, and then the patient performs dorsiflexion and plantar flexion movements to slowly return to normal. However, in the actual use process, the night-use functional ankle orthotics have a small corrective effect on varus and valgus feet, and there is no corresponding corrective effect even after the patient uses it for a long time, resulting in a poor corrective effect. Summary of the Invention

[0003] In view of this, the embodiments of the present disclosure provide a functional ankle orthosis, which at least partially solves the problems existing in the prior art.

[0004] The embodiments of the present disclosure provide a functional ankle orthosis for correcting valgus foot or varus foot. The functional ankle orthosis includes a leg fixing sleeve, a foot support, and an orthotic device. The orthotic device connects the leg fixing sleeve and the foot support. The orthotic device includes a first connecting portion and a second connecting portion. The first connecting portion is connected to the leg fixing sleeve, the second connecting portion is connected to the foot support, the first connecting portion and the second connecting portion are hinged, and the second connecting portion can rotate relative to the first connecting portion;

[0005] Wherein, the functional ankle orthosis includes a gravity state and a natural state. In the gravity state, the first connecting portion and the second connecting portion are in the same plane. In the natural state, the first connecting portion and the second connecting portion are arranged at an angle.

[0006] According to a specific implementation manner of the embodiments of the present disclosure, the orthotic device further includes a first rotating shaft and an elastic driving member. The first rotating shaft extends along a first direction. The first connecting portion and the second connecting portion are connected by the first rotating shaft. The elastic driving member is arranged on the first connecting portion. In the natural state, the elastic driving member can drive the second connecting portion to rotate around the first rotating shaft so that the first connecting portion and the second connecting portion are arranged at an angle.

[0007] According to a specific implementation manner of the embodiments of the present disclosure, the elastic driving member includes a pressure regulating spring and a steel ball. The steel ball is arranged at the end of the pressure regulating spring. The first connecting portion includes a first through hole extending along a second direction. The pressure regulating spring is arranged in the first through hole, and the steel ball abuts against the second connecting portion.

[0008] According to a specific implementation manner of the embodiments of the present disclosure, the number of the first through holes and the elastic driving members is both 2. The two first through holes are arranged at intervals along the first direction, and the second direction and the first direction are arranged at an angle.

[0009] According to a specific implementation manner of an embodiment of the present disclosure, the leg fixing sleeve includes a main body sleeve and a first connecting plate. The main body sleeve is connected to the first connecting plate, and one end of the first connecting plate away from the main body sleeve is connected to the first connecting portion.

[0010] According to a specific implementation manner of an embodiment of the present disclosure, the footrest includes a main body portion and a second connecting plate. The main body portion is connected to the second connecting plate, and one end of the second connecting plate away from the main body portion is connected to the second connecting portion.

[0011] According to a specific implementation manner of an embodiment of the present disclosure, the second connecting plate includes a main board, a first support plate, and a second support plate. The main board is connected to the main body portion, and both the first support plate and the second support plate are connected to one end of the main board away from the main body portion. The first support plate and the second support plate are arranged at an included angle.

[0012] According to a specific implementation manner of an embodiment of the present disclosure, the orthosis further includes a second rotating shaft. The second rotating shaft extends along a third direction. The second connecting plate and the second connecting portion are connected through the second rotating shaft, and the second connecting portion can rotate around the second rotating shaft.

[0013] According to a specific implementation manner of an embodiment of the present disclosure, the leg fixing sleeve is provided with a first fastening belt, and / or the footrest is provided with a second fastening belt.

[0014] According to a specific implementation manner of an embodiment of the present disclosure, a plurality of ventilation holes are formed in the leg fixing sleeve.

[0015] The functional ankle orthosis in the embodiments of the present disclosure includes a leg fixing sleeve, a foot support and an orthosis device. The orthosis device connects the leg fixing sleeve and the foot support. The orthosis device includes a first connecting portion and a second connecting portion. The first connecting portion is connected to the leg fixing sleeve, the second connecting portion is connected to the foot support, and the first connecting portion and the second connecting portion are hinged. Among them, the functional ankle orthosis includes a gravity state and a natural state. In the gravity state, the first connecting portion and the second connecting portion are located in the same plane. In the natural state, the first connecting portion and the second connecting portion are arranged at an angle. After a patient wears the functional ankle orthosis provided by the present disclosure and steps on the ground, the functional ankle orthosis bears the gravity of the human body, and the functional ankle orthosis is in the gravity state. The first connecting portion and the second connecting portion are located in the same plane. Under the combined action of the leg fixing sleeve and the foot support, the ankle is made to be the same as a normal ankle. After the foot is lifted, the functional ankle orthosis is in the natural state. If the patient has varus foot, the orthosis device is arranged on the outer sides of the leg fixing sleeve and the foot support. At this time, the second connecting portion rotates outward relative to the first connecting portion, applying an outward acting force to the patient's ankle to correct varus. If the patient has valgus foot, the orthosis device is arranged on the inner sides of the leg fixing sleeve and the foot support. At this time, the second connecting portion rotates inward relative to the first connecting portion, applying an inward acting force to the patient's ankle to correct valgus. In summary, for the functional ankle orthosis provided by the embodiments of the present disclosure, after a varus foot or valgus foot patient wears it, the effect of passively correcting varus foot or valgus foot can be achieved. Description of the Drawings

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present disclosure, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present disclosure. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0017] Figure 1 Structural schematic diagram of a functional ankle orthosis provided by an embodiment of the present disclosure;

[0018] Figure 2 Structural schematic diagram of the orthosis device of a functional ankle orthosis provided by an embodiment of the present disclosure in the gravity state;

[0019] Figure 3 Structural schematic diagram of the orthosis device of a functional ankle orthosis provided by an embodiment of the present disclosure in the natural state;

[0020] Figure 4 Structural schematic diagram of the orthosis device of another functional ankle orthosis provided by an embodiment of the present disclosure in the gravity state;

[0021] Figure 5Schematic diagram of the structure of another orthopedic device for a functional ankle orthosis provided by an embodiment of the present disclosure in a natural state.

[0022] Reference numerals:

[0023] 10. Functional ankle orthosis; 1. Leg fixing sleeve; 11. Ventilation holes; 12. Main body sleeve; 13. First connecting plate; 14. First fastening band; 2. Footrest; 21. Main body part; 22. Second connecting plate; 221. Main board; 222. First support plate; 223. Second support plate; 23. Second fastening band; 3. Orthopedic device; 31. First connecting part; 32. Second connecting part; 33. First rotating shaft; 34. Elastic driving member; 341. Pressure regulating spring; 342. Steel ball; 35. Second rotating shaft; X. First direction; Y. Second direction; Z. Third direction. Detailed implementation manners

[0024] The embodiments of the present disclosure will be described in detail below with reference to the accompanying drawings.

[0025] The following uses specific specific examples to illustrate the implementation manners of the present disclosure. Those skilled in the art can easily understand other advantages and effects of the present disclosure from the content disclosed in this specification. Obviously, the described embodiments are only a part of the embodiments of the present disclosure, rather than all the embodiments. The present disclosure can also be implemented or applied through other different specific implementation manners. Various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of the present disclosure. It should be noted that, without conflict, the following embodiments and the features in the embodiments can be combined with each other. Based on the embodiments in the present disclosure, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present disclosure.

[0026] It should be noted that the following describes various aspects of the embodiments within the scope of the appended claims. It should be obvious that the aspects described herein can be embodied in a wide variety of forms, and any specific structure and / or function described herein is illustrative only. Based on the present disclosure, those skilled in the art should understand that one aspect described herein can be implemented independently of any other aspect, and two or more of these aspects can be combined in various ways. For example, any number of aspects described herein can be used to implement the device and / or practice the method. In addition, this device and / or this method can be implemented using other structures and / or functions in addition to one or more of the aspects described herein.

[0027] It should also be noted that the illustrations provided in the following embodiments only schematically illustrate the basic concept of the present disclosure. The diagrams only show the components related to the present disclosure, rather than being drawn according to the number, shape, and size of the components in actual implementation. The type, quantity, and ratio of each component in actual implementation can be arbitrarily changed, and the component layout type may also be more complex.

[0028] In addition, in the following description, specific details are provided to facilitate a thorough understanding of the examples. However, those skilled in the art will understand that the described aspects can be practiced without these specific details.

[0029] Valgus and varus of the foot generally adopt targeted rehabilitation training and use corresponding orthotics for correction to enable the patient's foot to return to normal so that they can walk normally. The existing night-use functional ankle orthosis fixes the patient's ankle or ankle joint, and then the patient performs dorsiflexion and plantar flexion movements to slowly return to normal. However, in the actual use process, the night-use functional ankle orthosis has a small corrective effect on varus and valgus feet, and there is no corresponding corrective effect even after the patient uses it for a long time, resulting in a poor corrective effect.

[0030] To solve the above problems, the embodiments of the present disclosure provide a functional ankle orthosis. The functional ankle orthosis of the embodiments of the present disclosure will be described below with reference to the accompanying drawings.

[0031] Please refer to Figures 1 to 5 , Figure 1 which is a schematic structural diagram of a functional ankle orthosis 10 provided by an embodiment of the present disclosure; Figure 2 which is a schematic structural diagram of an orthosis device 3 of a functional ankle orthosis 10 provided by an embodiment of the present disclosure under the state of gravity; Figure 3 which is a schematic structural diagram of an orthosis device 3 of a functional ankle orthosis 10 provided by an embodiment of the present disclosure in a natural state; Figure 4 which is a schematic structural diagram of an orthosis device 3 of another functional ankle orthosis 10 provided by an embodiment of the present disclosure under the state of gravity; Figure 5Schematic diagram of the orthosis device 3 of another functional ankle orthosis 10 provided by the embodiments of the present disclosure in the natural state. The embodiments of the present disclosure provide a functional ankle orthosis 10, which is used to correct valgus feet or varus feet. The functional ankle orthosis 10 includes a leg fixing sleeve 1, a foot support 2 and an orthosis device 3. The orthosis device 3 connects the leg fixing sleeve 1 and the foot support 2. The orthosis device 3 includes a first connecting portion 31 and a second connecting portion 32. The first connecting portion 31 is connected to the leg fixing sleeve 1, and the second connecting portion 32 is connected to the foot support 2. The first connecting portion 31 and the second connecting portion 32 are hinged, and the second connecting portion 32 can rotate relative to the first connecting portion 31. Among them, the functional ankle orthosis 10 includes a gravity state and a natural state. In the gravity state, the first connecting portion 31 and the second connecting portion 32 are located in the same plane. In the natural state, the first connecting portion 31 and the second connecting portion 32 are arranged at an angle. Optionally, the leg fixing sleeve 1 and the foot support 2 are made of plastic. Plastic products are lighter in weight and have a certain structural strength. The leg fixing sleeve 1 and the foot support 2 are both designed to fit the calf and foot of the human body more closely, reducing the discomfort of the patient after wearing. The orthosis device 3 can be made of stainless steel material. Optionally, a plurality of ventilation holes 11 are provided on the leg fixing sleeve 1 to improve breathability and relieve the stuffy feeling of the calf part of the patient after wearing.

[0032] The functional ankle orthosis 10 provided by the embodiments of the present disclosure can adjust the installation position of the orthosis device 3 according to different patients. If the patient has varus feet, the orthosis device 3 is arranged on the outer sides of the leg fixing sleeve 1 and the foot support 2. If the patient has valgus feet, the orthosis device 3 is arranged on the inner sides of the leg fixing sleeve 1 and the foot support 2.

[0033] Specifically, please refer to Figures 2 to 3 , when correcting a patient with varus feet, the orthosis device 3 is arranged on the outer sides of the leg fixing sleeve 1 and the foot support 2. After the patient wears the functional ankle orthosis 10 provided by the present disclosure and steps on the ground, the functional ankle orthosis 10 bears the gravity of the human body, and the functional ankle orthosis 10 is in the gravity state. The first connecting portion 31 and the second connecting portion 32 are located in the same plane. Under the combined action of the leg fixing sleeve 1 and the foot support 2, the ankle is made to be the same as a normal ankle. After the foot is lifted, the functional ankle orthosis 10 is in the natural state, and the second connecting portion 32 rotates outward relative to the first connecting portion 31, so that the first connecting portion 31 and the second connecting portion 32 are arranged at an angle, applying an outward acting force to the patient's ankle to correct varus.

[0034] Please refer to Figures 4 to 5, when correcting patients with valgus feet, the orthosis 3 is arranged on the inner sides of the leg fixing sleeve 1 and the foot support 2. After the patient wears the functional ankle orthosis 10 provided by the present disclosure and steps on the ground, the functional ankle orthosis 10 bears the gravity of the human body, and the functional ankle orthosis 10 is in a gravity state. The first connecting portion 31 and the second connecting portion 32 are located in the same plane. Under the combined action of the leg fixing sleeve 1 and the foot support 2, the ankle is made to be the same as a normal ankle. After the foot is lifted, the functional ankle orthosis 10 is in a natural state, and the second connecting portion 32 rotates inward relative to the first connecting portion 31, applying an inward force to the patient's ankle to correct the valgus.

[0035] In summary, after the patients with varus feet or valgus feet wear the functional ankle orthosis 10 provided by the embodiments of the present disclosure, the effect of passively correcting varus feet or valgus feet can be achieved.

[0036] In some alternative embodiments, the orthosis 3 further includes a first rotating shaft 33 and an elastic driving member 34. The first rotating shaft 33 extends along the first direction X. The first connecting portion 31 and the second connecting portion 32 are connected by the first rotating shaft 33. The elastic driving member 34 is arranged on the first connecting portion 31. In the natural state, the elastic driving member 34 can drive the second connecting portion 32 to rotate around the first rotating shaft 33, so that the first connecting portion 31 and the second connecting portion 32 are arranged at an angle. The setting of the first rotating shaft 33 makes the rotation between the first connecting portion 31 and the second connecting portion 32 smoother. In the gravity state, the elastic driving member 34 is compressed and stores energy. In the natural state, the elastic driving member 34 releases its own elastic force to drive the second connecting portion 32 to rotate around the first rotation. Specifically, the elastic driving member 34 includes a pressure-regulating spring 341 and a steel ball 342. The steel ball 342 is arranged at the end of the pressure-regulating spring 341. The first connecting portion 31 includes a first through hole extending along the second direction Y. The pressure-regulating spring 341 is arranged in the first through hole, and the steel ball 342 abuts against the second connecting portion 32.

[0037] In some alternative embodiments, the number of the first through holes and the elastic driving members 34 is both 2. The two first through holes are arranged at intervals along the first direction X, and the second direction Y and the first direction X are arranged at an angle. The setting of the two elastic driving members 34 can drive the second connecting portion 32 to rotate more smoothly.

[0038] In some alternative embodiments, the leg fixing sleeve 1 includes a main body sleeve 12 and a first connecting plate 13. The main body sleeve 12 is connected to the first connecting plate 13. One end of the first connecting plate 13 away from the main body sleeve 12 is connected to the first connecting portion 31. Optionally, the first connecting plate 13 and the main body sleeve 12 are connected by screws, and the first connecting portion 31 and the first connecting plate 13 are also connected by screws, which is convenient for disassembly, maintenance and replacement.

[0039] In some optional embodiments, the foot support 2 includes a main body 21 and a second connecting plate 22, the main body 21 is connected to the second connecting plate 22, and one end of the second connecting plate 22 away from the main body 21 is connected to the second connecting portion 32. Optionally, the second connecting plate 22 and the main body 21 are connected by screws, and the second connecting portion 32 and the second connecting plate 22 are also connected by screws, which is convenient for disassembly, maintenance and replacement.

[0040] In some optional embodiments, the second connecting plate 22 includes a main board 221, a first support plate 222, and a second support plate 223. The main board 221 is connected to the main body 21. The first support plate 222 and the second support plate 223 are both connected to one end of the main board 221 away from the main body 21. The first support plate 222 and the second support plate 223 are arranged at an angle. The first support plate 222 and the second support plate 223 are arranged so that the connection point and the connection area between the second connecting plate 22 and the main body 21 are larger, so that the connection is more stable, and the main body 21 can also better rotate with the second connecting part 32 without deformation.

[0041] In some optional embodiments, the orthotic device 3 also includes a second rotation axis 35, which extends along the third direction Z. The second connecting plate 22 is connected to the second connecting portion 32 via the second rotation axis 35. The second connecting portion 32 can rotate around the second rotation axis 35. The second rotation axis 35 is set so that when the patient wears the orthotic device 3 and walks, the ankle can achieve dorsiflexion and plantar flexion.

[0042] In some optional embodiments, the leg fixing sleeve 1 is provided with a first fastening belt 14, and / or the foot support 2 is provided with a second fastening belt 23. Optionally, the first fastening belt 14 and the second fastening belt 23 can be connected by Velcro. Optionally, the number of the first fastening belts 14 is 2, and the two first fastening belts 14 are arranged at intervals along the second direction Y. By providing the first fastening belt 14, the leg fixing sleeve 1 can be prevented from being too loose after being worn and causing it to fall off, and the second fastening belt 23 can prevent the foot support 2 from falling off.

[0043] The above are only specific embodiments of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed in the present disclosure should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.

Claims

1. A functional ankle joint orthosis for correcting valgus foot or inversion foot, characterized in that: include: Leg braces and foot supports; An orthotic device, connecting the leg fixing sleeve and the foot support, the orthotic device comprising a first connecting portion and a second connecting portion, the first connecting portion being connected to the leg fixing sleeve, the second connecting portion being connected to the foot support, the first connecting portion and the second connecting portion being hinged, and the second connecting portion being able to rotate relative to the first connecting portion; Wherein, the functional ankle orthosis includes a gravity state and a natural state. In the gravity state, the first connection part and the second connection part are located in the same plane. In the natural state, the first connection part and the second connection part are arranged at an angle.

2. The functional ankle orthosis according to claim 1, characterized in that: The orthopedic device also includes a first rotating axis and an elastic driving member, the first rotating axis extends along a first direction, the first connecting part and the second connecting part are connected through the first rotating axis, and the elastic driving member is arranged on the first connecting part. In the natural state, the elastic driving member can drive the second connecting part to rotate around the first rotating axis so that the first connecting part and the second connecting part are arranged at an angle.

3. The functional ankle orthosis according to claim 2, characterized in that: The elastic driving member includes a pressure-adjusting spring and a steel ball, the steel ball is arranged at the end of the pressure-adjusting spring, the first connecting portion includes a first through hole extending along the second direction, the pressure-adjusting spring is arranged in the first through hole, and the steel ball abuts against the second connecting portion.

4. The functional ankle orthosis according to claim 3, characterized in that: The number of the first through holes and the number of the elastic driving members are both two, the two first through holes are arranged at intervals along the first direction, and the second direction is arranged at an angle to the first direction.

5. The functional ankle orthosis according to claim 1, characterized in that: The leg fixing sleeve comprises a main body sleeve and a first connecting plate, the main body sleeve is connected to the first connecting plate, and one end of the first connecting plate away from the main body sleeve is connected to the first connecting portion.

6. The functional ankle orthosis according to claim 1, characterized in that: The foot support includes a main body and a second connecting plate, wherein the main body is connected to the second connecting plate, and an end of the second connecting plate away from the main body is connected to the second connecting portion.

7. The functional ankle orthosis according to claim 6, characterized in that: The second connecting plate includes a main board, a first support plate and a second support plate. The main board is connected to the main body. The first support plate and the second support plate are both connected to an end of the main board away from the main body. The first support plate and the second support plate are arranged at an angle.

8. The functional ankle orthosis according to claim 6, characterized in that: The orthopedic device further includes a second rotation axis extending along a third direction, the second connecting plate is connected to the second connecting portion via the second rotation axis, and the second connecting portion is capable of rotating around the second rotation axis.

9. The functional ankle orthosis according to claim 1, characterized in that: The leg fixing sleeve is provided with a first fastening belt, and / or the foot support is provided with a second fastening belt.

10. The functional ankle orthosis according to claim 1, characterized in that: The leg fixing sleeve is provided with a plurality of ventilation holes.