Flexible ankle coating type moving ankle orthosis

Abstract

The utility model discloses a flexible ankle wrapping type movable ankle orthosis which comprises a shank supporting part, a foot support, an elastic ankle hinge and a foot wrapping part. The lower end of the shank supporting part is rotationally connected with the rear end of the foot support through an elastic ankle hinge; the lower end face of the foot wrapping part is attached to the upper end face of the foot support, and the upper end of the foot wrapping part is sleeved with the lower end of the shank supporting part. The outer side of the lower end of the shank supporting part is detachably connected with a first nylon fastener tape used for fixing the shank supporting part and the foot wrapping part. The utility model has the advantages that the foot wrapping part is made of a high-elasticity, soft and durable polyethylene flexible material and can wrap the heel, the ankle, the instep and the sole, the stability and the supporting force of the ankle are kept, and the foot position is effectively controlled; compared with a traditional movable ankle orthosis, inward and outward turning of the ankle joint can be more effectively controlled, the ankle joint can have the motion range of partial dorsiflexion and plantar flexion, the orthosis effect can be better and more effectively achieved, and meanwhile motion of the ankle joint is not completely limited.

Description

Technical Field

[0001] The utility model relates to the technical field of orthopedic aids, in particular to a flexible ankle-wrapping dynamic ankle orthosis. Background Art

[0002] Ankle-foot orthosis is a common orthosis, which is widely used in patients with cerebral palsy, hemiplegia, foot deformities, etc. Its basic functions include compensating for partial muscle weakness, stretching tendons for a long time to counteract muscle contracture, and fixing the normal functional position of joints to prevent ligaments from being abnormally stretched and relaxed. Some patients have increased ankle muscle tone and accompanied by ankle varus and valgus conditions and need correction. The common ankle-foot orthosis has an unsatisfactory control effect on the correction of ankle varus and valgus in the case of increased muscle tone. Content of the Utility Model

[0003] The technical problem to be solved by the utility model is to provide a flexible ankle-wrapping dynamic ankle orthosis.

[0004] In order to solve the above technical problems, the technical solution of the utility model is as follows:

[0005] A flexible ankle-wrapping dynamic ankle orthosis, comprising a calf support part, a foot support, an elastic ankle hinge, and a foot wrapping part; the lower end of the calf support part is rotatably connected to the rear end of the foot support through the elastic ankle hinge; the lower end surface of the foot wrapping part fits with the upper end surface of the foot support, and its upper end is sleeved inside the lower end of the calf support part; a first nylon fastener for fixing the calf support part and the foot wrapping part is detachably connected to the outer side of the lower end of the calf support part.

[0006] Further, a second nylon fastener is fixedly connected to the outer side of the upper end of the calf support part.

[0007] Further, the calf support part has a tubular structure with a larger upper part and a smaller lower part, and an opening is provided at the front end.

[0008] Further, the foot wrapping part includes a heel wrapping section, an ankle wrapping section, a sole wrapping section, and a dorsal foot wrapping section which are integrally formed; the upper ends of the ankle wrapping section and the dorsal foot wrapping section are open, and the edges are in the shape of outward-turning edges; an opening area for releasing toes is provided at the front end of the foot wrapping part.

[0009] Further, the sole wrapping section is concave inside.

[0010] Further, a U-shaped groove is provided on the ankle wrapping section.

[0011] Further, a first reinforcing plate and a second reinforcing plate are respectively adhered to the calf support part and the foot support near the junction of the calf support part and the foot support; the first reinforcing plate and the second reinforcing plate are made of polypropylene plates.

[0012] Further, the material of the foot covering part is made of polyethylene flexible material.

[0013] Advantages of the present utility model:

[0014] (1) The foot covering part is made of a polyethylene flexible material with high elasticity, softness and durability, which can wrap the heel, ankle, dorsum of the foot and sole, and has a certain strength to maintain the stability and support force of the ankle and effectively control the position of the foot.

[0015] (2) Compared with traditional dynamic ankle orthoses, it can more effectively control varus and valgus of the ankle joint, and the ankle joint can have a partial range of dorsiflexion and plantar flexion activities, which can better and more effectively achieve the correction effect while not completely restricting the activities of the ankle joint. Description of the drawings

[0016] Figure 1 is a schematic structural diagram of the present utility model;

[0017] Figure 2 is a schematic structural diagram of the foot covering part.

[0018] In the figure,

[0019] 1 - calf support part, 2 - footrest, 3 - elastic ankle hinge, 4 - foot covering part, 5 - first nylon fastener, 6 - second nylon fastener, 7 - first reinforcement plate, 8 - second reinforcement plate;

[0020] 41 - heel wrapping section, 42 - ankle wrapping section, 43 - sole wrapping section, 44 - dorsum of the foot wrapping section, 46 - opening area, 47 - U-shaped groove. Specific embodiments

[0021] The following further describes the specific embodiments of the present utility model in conjunction with the drawings. It should be noted here that the description of these embodiments is used to help understand the present utility model, but does not constitute a limitation to the present utility model. In addition, the technical features involved in the various embodiments of the present utility model described below can be combined with each other as long as they do not conflict with each other.

[0022] Referring to Figure 1-2 as shown, a flexible ankle-covered dynamic ankle orthosis includes a calf support part 1, a footrest 2, an elastic ankle hinge 3, and a foot covering part 4; the lower end of the calf support part 1 is rotatably connected to the rear end of the footrest 2 through the elastic ankle hinge 3; the lower end surface of the foot covering part 4 is attached to the upper end surface of the footrest 2, and its upper end is sleeved inside the lower end of the calf support part 1; a first nylon fastener 5 for fixing the calf support part 1 and the foot covering part 4 is detachably connected to the outside of the lower end of the calf support part 1.

[0023] It should be noted that the calf support part 1 and the footrest 2 are formed by high-temperature molding of polypropylene plates. The material thickness is selected according to different patients, generally ranging from 3 mm to 5 mm, and the pattern can be selected according to the patient's preference; the elastic ankle hinge 3 can ensure that the ankle joint can dorsiflex and plantarflex, and the range of motion of the ankle joint can be adjusted as needed.

[0024] Specifically, a second nylon fastener 6 is fixedly connected to the outer side of the upper end of the calf support part 1. The first nylon fastener 5 and the second nylon fastener 6 can ensure the stable wearing of the entire flexible ankle wrapped dynamic ankle orthosis.

[0025] Specifically, in order to facilitate fitting with the shape of the calf, the calf support part 1 has a cylindrical structure with a larger upper part and a smaller lower part, and an opening is provided at the front end.

[0026] Specifically, the foot covering part 4 includes an integrally formed heel wrapping section 41, an ankle wrapping section 42, a sole wrapping section 43 and a dorsal foot wrapping section 44; the upper ends of the ankle wrapping section 42 and the dorsal foot wrapping section 44 are open, and the edges are turned-out edges; an opening area 46 for releasing the toes is provided at the front end of the foot covering part 4. The heel wrapping section 41, the ankle wrapping section 42, the sole wrapping section 43 and the dorsal foot wrapping section 44 can wrap and support the heel, ankle, dorsal foot and sole parts. The opening in the middle part of the dorsal foot is convenient for putting on and taking off. The dorsal foot is wrapped to the positions of the first and fifth metatarsal heads and opens. The sole is covered with the whole sole, and the ankle part is covered to the upper edges of the inner and outer ankles without restricting the movement of the ankle joint; the foot covering part 4 is made of a highly elastic, soft and durable material.

[0027] Specifically, in order to ensure the stability of the sole, the sole wrapping section 43 is in a concave shape inside.

[0028] Specifically, in order to ensure that the movement of the ankle is not restricted, a U-shaped groove 47 is provided on the ankle wrapping section 42.

[0029] Specifically, a first reinforcing plate 7 and a second reinforcing plate 8 are respectively bonded to the calf support part 1 and the footrest 2 near the junction of the calf support part 1 and the footrest 2; the first reinforcing plate 7 and the second reinforcing plate 8 are made of polypropylene plates with a length of 6 cm and a width of 1.5 cm, and are bonded by high-temperature molding, and the sizes of the first reinforcing plate 7 and the second reinforcing plate 8 are adjusted according to different patients.

[0030] Specifically, the material of the foot covering part 4 is made of polyethylene flexible material.

[0031] The working principle of the present utility model:

[0032] The flexible ankle-encapsulating dynamic ankle orthosis can design the ankle-encapsulating position on the model according to the specific conditions of the patient, use flexible materials to form at high temperature, cut and polish according to the required position, and manufacture the foot-encapsulating part 4 for wrapping the foot; put the manufactured foot-encapsulating part 4 on the plaster model, install the elastic ankle pre-buried module, and then use polypropylene sheet to form at high temperature. Before forming, a first reinforcing plate 7 and a second reinforcing plate 8 are respectively bonded to the calf support part 1 and the footrest 2 at the junction of the calf support part 1 and the footrest 2 close to the calf support part 1; finally, cut, polish and assemble into a dynamic ankle orthosis; when the patient wears it, first wear the foot-encapsulating part 4, and then wear the components composed of the calf support part 1, the footrest 2 and the elastic ankle hinge 3. After adjusting the nylon fasteners, wear it inside the shoes.

[0033] The above has described in detail the embodiments of the present invention in conjunction with the accompanying drawings, but the present invention is not limited to the described embodiments. For those skilled in the art, without departing from the principle and spirit of the present invention, various changes, modifications, substitutions and variations made to these embodiments still fall within the protection scope of the present invention.

Claims

1. A flexible ankle-encasing dynamic ankle orthosis, characterized in that: It includes a calf support part (1), a footrest (2), an elastic ankle hinge (3), and a foot covering part (4); the lower end of the calf support part (1) is rotatably connected to the rear end of the footrest (2) through the elastic ankle hinge (3); the lower end surface of the foot covering part (4) fits with the upper end surface of the footrest (2), and its upper end is sleeved inside the lower end of the calf support part (1); a first nylon fastener (5) for fixing the calf support part (1) and the foot covering part (4) is detachably connected to the outer side of the lower end of the calf support part (1).

2. The flexible ankle-encasing active ankle orthosis according to claim 1, wherein: A second nylon fastener (6) is fixedly connected to the outer side of the upper end of the calf support part (1).

3. The flexible ankle-encasing active ankle orthosis according to claim 1, characterized in that: The calf support part (1) has a tubular structure with a larger upper part and a smaller lower part, and an opening is provided at the front end.

4. The flexible ankle-encasing dynamic ankle orthosis according to claim 1, wherein: The foot covering part (4) includes a heel wrapping section (41), an ankle wrapping section (42), a sole wrapping section (43), and a dorsal foot wrapping section (44) which are integrally formed; the upper ends of the ankle wrapping section (42) and the dorsal foot wrapping section (44) are open, and the edges are turned-out edges; an opening area (46) for releasing the toes is provided at the front end of the foot covering part (4).

5. The flexible ankle-encasing active ankle orthosis according to claim 4, wherein: The sole wrapping section (43) is concave inside.

6. The flexible ankle-encasing active ankle orthosis according to claim 4, wherein: A U-shaped groove (47) is provided on the ankle wrapping section (42).

7. The flexible ankle-encasing dynamic ankle orthosis according to claim 1, characterized in that: A first reinforcing plate (7) and a second reinforcing plate (8) are respectively bonded to the calf support part (1) and the footrest (2) near the junction of the calf support part (1) and the footrest (2); the first reinforcing plate (7) and the second reinforcing plate (8) are made of polypropylene plates.

8. The flexible ankle-encasing active ankle orthosis according to claim 1, characterized in that: The material of the foot covering part (4) is a polyethylene flexible material.

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