CN218420158U

CN218420158U - Ankle-foot orthosis

Info

Publication number: CN218420158U
Application number: CN202220059861.7U
Authority: CN
Inventors: 王成勇; 董国华; 郭紫莹; 刘志华
Original assignee: Guangdong University of Technology
Current assignee: Guangdong University of Technology
Priority date: 2022-01-11
Filing date: 2022-01-11
Publication date: 2023-02-03
Anticipated expiration: 2032-01-11

Abstract

The utility model relates to the technical field of medical equipment, concretely relates to ankle foot orthopedic ware, ankle foot orthopedic ware includes the instep connecting plate, the head end of instep connecting plate is equipped with the heel support that is used for holding the sole front portion, the tail end of instep connecting plate is equipped with the staple bolt that is used for laminating to entangle the ankle, the staple bolt dorsad one side of heel support is equipped with the support lath, be equipped with the fixed band on the support lath, the support lath passes through the fixed band is pasted at shank rear side position, the surface of instep connecting plate is equipped with spacing area, the one end of spacing area is connected the head end of instep connecting plate, the other end of spacing area is connected the tail end of instep connecting plate, this ankle foot orthopedic ware have can use simultaneously with outer mount nail way, and it can prevent that the patient's drop foot and ankle joint can the dorsal extension and can not plantar bend by a wide margin when assisting patient's early walking training, have be convenient for dress and be convenient for the ankle massage and can avoid oppressing the neural advantage of shank.

Description

Ankle-foot orthosis

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to ankle foot orthopedic ware.

Background

After the patient receives orthopedic treatment of the lower limb external fixator, the patient needs to prolong the bone by 1mm every day, but the ductility of soft tissue can only be prolonged by about 0.75mm every day, and with the continuous lengthening of the bone, when the bone is prolonged beyond the limit of the soft tissue extension, complications such as pain, foot drop and the like can be generated. At present, a common Ankle Foot Orthosis (AFO) or low-temperature thermoplastic plate brace for treating foot drop fixes an ankle joint, but the conventional AFO or low-temperature thermoplastic plate brace cannot avoid an external fixing frame nail path, so that the ankle foot orthosis or the low-temperature thermoplastic plate brace cannot simultaneously have the functions of being matched with an external fixing frame to use, preventing foot drop and assisting early walking training. And the AFO fixed belt causes inconvenience in wearing and poor comfort.

In addition, traditional AFO because of the structural problem, when the patient lies in bed for a long time and dresses, oppress the neural damage of shank easily, and then can't dress for a long time, and traditional AFO or low temperature thermoplastic sheet brace make its function limited because of the unicity of its structure or material.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to avoid the weak point among the prior art and provide an ankle foot orthopedic ware, this ankle foot orthopedic ware can use with external fixation frame nail way simultaneous use, and it can prevent patient's drop foot and ankle joint can the dorsum stretch and can not plantar flexion by a wide margin when guaranteeing patient's walking training to have be convenient for dress and be convenient for ankle massage and can avoid oppressing the neural advantage of shank.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an ankle foot orthosis, including the instep connecting plate, the head end of instep connecting plate is equipped with and is used for holding the anterior foot rest of sole, the tail end of instep connecting plate is equipped with the staple bolt that is used for the laminating to entangle the ankle, the staple bolt dorsad one side that the foot held in the palm is equipped with the support lath, be equipped with the fixed band on the support lath, the support lath passes through the fixed band is pasted at shank rear side position, the top of instep connecting plate is equipped with spacing area, the one end in spacing area is connected the head end of instep connecting plate, the other end in spacing area is connected the tail end of instep connecting plate.

In some embodiments, the sole is configured as a toe cap-shaped sole sleeve that holds the forefoot portion with the mid-sole and rear foot portions exposed.

In some embodiments, the hoop includes a first arc hoop and a second arc hoop, the first arc hoop is connected to the instep connection plate, the second arc hoop is connected to the support strip, and the first arc hoop and the second arc hoop are detachably spliced to form the hoop.

In some embodiments, the two ends of the first arc-shaped hoop member are respectively provided with a first boss, the two ends of the second arc-shaped hoop member are respectively provided with a second boss, the first bosses corresponding to the two ends of the first arc-shaped hoop member are respectively spliced with the second bosses corresponding to the two ends of the second arc-shaped hoop member, and the first bosses and the second bosses which are spliced with each other are nested in the clamp sleeve.

In some embodiments, the instep-connecting plate is a flexible connecting plate provided as an arc-shaped plate extending along the outline of the instep.

In some embodiments, the flexible connecting plate is made of thermoplastic polyurethane elastomer rubber.

In some embodiments, there are a plurality of stop straps that connect from a leading end of the instep-connecting plate to a trailing end of the instep-connecting plate in a star-ray fashion.

In some embodiments, the instep connecting plate is provided with a protruding connecting block, and the end of the position-limiting strap is connected to the protruding connecting block.

In some embodiments, the support strip is provided with air holes.

In some embodiments, an inner liner is disposed within the hoop.

The utility model relates to an ankle foot orthopedic ware's beneficial effect:

(1) The utility model discloses an thereby ankle foot orthopedic ware instep connecting plate only on the instep, the heel holds in the palm only holds the sole front portion and staple bolt 3 only covers the fixed sole of ankle for ankle foot orthopedic ware can prevent the drop foot, and guarantees that heel and ankle expose, is convenient for massage heel and ankle, and prevents to oppress the heel.

(2) The utility model discloses an ankle foot orthosis only has the support lath that is located the shank rear side on the position on the shank to the fixed band of outrigger lath, this support lath and fixed band not only can improve whole orthopedic installation stability, and can reserve out enough space for the external fixation frame nail way, effectively avoid the external fixation frame nail way, make sufficient orthopedic ware of ankle and mount nail way can use simultaneously, improve the recovered speed of patient.

(3) The utility model discloses an ankle foot orthopedic ware has set up spacing area on the instep connecting plate, because the one end in this spacing area is connected the head end of instep connecting plate, the other end in this spacing area is connected the tail end of instep connecting plate, instep connecting plate and spacing area have constituted flexible and difficult tensile structure, can restrict ankle joint plantarflexion and do not influence the motion of stretching back for the patient carries out early walking training when the prevention is sufficient flagging, has improved patient's recovered speed.

(4) The ankle foot orthosis of the utility model has simple structure, is convenient to wear and replace, and is comfortable to wear.

Drawings

Fig. 1 is a schematic structural view of an ankle-foot orthosis of an embodiment.

Fig. 2 is a side view of an ankle-foot orthosis of an embodiment.

Fig. 3 is a rear view of an ankle foot orthosis of an embodiment.

Fig. 4 is a partial view of an ankle-foot orthosis of an embodiment.

Fig. 5 is a diagram of an example ankle-foot orthosis operating on a leg.

Reference numerals

An instep connection plate 1; a foot support 2; the hoop 3, the first arc hoop member 31 and the second arc hoop member 32; a support slat 4; a fixing belt 5; a limit belt 6; a head end 7; a tail end 8; a sole front portion 10; a first boss 11; a second boss 12; a ferrule 13; a bump connector block 14; air holes 15; an inner liner 16.

Detailed Description

Preferred embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While the preferred embodiments of the present invention have been illustrated in the accompanying drawings, it is to be understood that the invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in this specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

It should be understood that although the terms "first", "second", "third", etc. may be used herein to describe various information, such information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, a first message may also be referred to as a second message, and similarly, a second message may also be referred to as a first message, without departing from the scope of the invention. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Examples

The ankle-foot orthosis disclosed in the embodiment, as shown in fig. 1-5, comprises an instep connecting plate 1, a head end 7 of the instep connecting plate 1 is provided with an instep support 2 for supporting a front portion 10 of a sole of a foot, a tail end 8 of the instep connecting plate 1 is provided with a hoop 3 for fitting and sleeving an ankle, the hoop 3 backs on one side of the instep support 2 is provided with a supporting lath 4, the supporting lath 4 is provided with a fixing band 5, the supporting lath 4 passes through the fixing band 5 is pasted at the rear position of a shank, and the fixing band 5 can be a magic paste, an elastic band, a bandage and the like, so that the tightness is easy to control, the ankle-foot orthosis is convenient to wear, the comfort and compliance of a patient are improved, and the supporting lath 4 provides mechanical support. A limiting belt 6 is arranged above the instep connecting plate 1, one end of the limiting belt 6 is connected to the head end 7 of the instep connecting plate 1, and the other end of the limiting belt 6 is connected to the tail end 8 of the instep connecting plate 1. The instep connecting plate 1 and the foot rest 2 are integrally formed.

The instep connecting plate 1 of the ankle-foot orthosis is only arranged on the instep, the foot support 2 only supports the front part 10 of the sole, and the hoop 3 only covers the ankle, so that the sole is fixed, the ankle-foot orthosis can prevent foot drop, the heel and the ankle are exposed, the heel and the ankle are convenient to massage, and the heel is prevented from being pressed.

As shown in figure 1, the foot support 2 is a shoe-head-shaped foot support sleeve, the foot support sleeve supports the front part 10 of the sole, and the middle part and the tail part of the sole are exposed. The foot support sleeve wraps and supports the front part 10 of the sole of the foot, plays a role in supporting the sole of the foot and prevents the sole of the foot from drooping.

As shown in fig. 1 and 4, the hoop 3 includes a first arc hoop 31 and a second arc hoop 32, the first arc hoop 31 is connected to the instep connecting plate 1, the second arc hoop 32 is connected to the supporting strip 4, and the first arc hoop 31 and the second arc hoop 32 are detachably spliced to form the hoop 3. The first arc-shaped hoop member 31 and the second arc-shaped hoop member 32 are spliced, so that the instep connecting plate 1 and the supporting lath 4 wrap the ankle in a closed loop manner, and better mechanical support is provided.

As shown in fig. 1 to 5, two ends of the first arc hoop member 31 are respectively provided with a first boss 11, two ends of the second arc hoop member 32 are respectively provided with a second boss 12, the first bosses 11 corresponding to the two ends of the first arc hoop member 31 are respectively spliced with the second bosses 12 corresponding to the two ends of the second arc hoop member 32, and the first bosses 11 and the second bosses 12 which are spliced with each other are nested in the ferrule 13. The ferrule 13 clamps the first boss 11 and the second boss 12 together, so as to splice the first arc-shaped hoop member 31 and the second arc-shaped hoop member 32, and in application, the first boss 11 and the second boss 12 are supported by the ankle, and the first boss 11 and the second boss 12 are tightly nested in the ferrule 13, so that the first arc-shaped hoop member 31 and the second arc-shaped hoop member 32 can be stably spliced, and the first boss 11 and the second boss 12 include, but are not limited to, cuboids, half cylinders and other polyhedrons. Of course, in practice, other fixing structures may be used to connect the first and second

arcuate hoop members

31 and 32.

As shown in fig. 2, the instep connecting plate 1 is a flexible connecting plate, which is an arc-shaped plate extending along the outline of the instep. The material of the toughness connecting plate is thermoplastic polyurethane elastomer rubber. The instep connecting plate 1 can be easily bent along with the stretching movement of the ankle joint dorsum during walking training by means of the bending arc-shaped plate and the characteristic that the thermoplastic polyurethane elastomer rubber is flexible and not easy to stretch, so that the ankle joint plantarflexion is limited, and foot drop is prevented.

As shown in fig. 1, there are several straps 6, and the straps 6 are connected to the tail end 8 of the instep-connecting plate 1 in a star-ray manner from the head end 7 of the instep-connecting plate 1. The star-ray limiting belt 6 is used for pulling the foot support 2, and the ankle joint plantarflexion is further limited and ankle joint dorsiflexion is not influenced due to the fact that the length of the limiting belt 6 is fixed and is not easy to stretch.

As shown in fig. 1, a bump connecting block 14 is arranged on the instep connecting plate 1, and the end of the limiting belt 6 is connected to the bump connecting block 14. The bump connector blocks 14 provide attachment locations for the check strap 6.

As shown in fig. 1, the supporting strip 4 is provided with air holes 15. The air holes 15 increase air permeability, improve aesthetic property, reduce weight, reduce material consumption and reduce cost. The supporting lath 4 is made of resin, so that mechanical support is better provided.

As shown in fig. 4, an inner liner 16 is provided in the anchor ear 3. The inner liner 16 may be shaped or sized as desired to enhance comfort.

The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

For ease of description, spatially relative terms such as "over 8230," "upper surface," "above," and the like may be used herein to describe the spatial positional relationship of one device or feature to other devices or features as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary terms "at 8230; \8230; 'above" may include both orientations "at 8230; \8230;' above 8230; 'at 8230;' below 8230;" above ". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of protection of the present application is not to be construed as being limited.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An ankle-foot orthosis, characterized by: including the instep connecting plate, the head end of instep connecting plate is equipped with and is used for holding the anterior foot of sole and hold in the palm, the tail end of instep connecting plate is equipped with the staple bolt that is used for laminating cover ankle, the staple bolt dorsad one side that the foot held in the palm is equipped with the brace lath, be equipped with the fixed band on the brace lath, the brace lath passes through the fixed band is pasted at shank rear side position, the top of instep connecting plate is equipped with spacing area, the one end in spacing area is connected the head end of instep connecting plate, the other end in spacing area is connected the tail end of instep connecting plate.

2. The ankle-foot orthosis set forth in claim 1, wherein: the foot support is a shoe-head-shaped foot support sleeve, the front part of the sole is supported by the foot support sleeve, and the middle part of the sole and the tail part of the sole are exposed.

3. An ankle foot orthosis according to claim 1, wherein: the hoop comprises a first arc hoop piece and a second arc hoop piece, the first arc hoop piece is connected with the instep connecting plate, the second arc hoop piece is connected with the supporting lath, and the first arc hoop piece and the second arc hoop piece can be detachably spliced to form the hoop.

4. An ankle foot orthosis according to claim 3, wherein: the two ends of the first arc hoop part are respectively provided with a first boss, the two ends of the second arc hoop part are respectively provided with a second boss, the two ends of the first arc hoop part correspond to the first bosses respectively corresponding to the two ends of the second arc hoop part, and the first bosses which are mutually spliced are nested in the clamping sleeves with the second bosses.

5. The ankle-foot orthosis set forth in claim 1, wherein: the instep connecting plate is a flexible connecting plate and is an arc-shaped plate extending along the outline of the instep.

6. The ankle foot orthosis set forth in claim 5, wherein: the material of the toughness connecting plate is thermoplastic polyurethane elastomer rubber.

7. The ankle-foot orthosis set forth in claim 1, wherein: the foot back connecting plate is characterized by comprising a plurality of limiting belts, wherein the limiting belts are connected to the tail end of the foot back connecting plate in a star ray mode from the head end of the foot back connecting plate.

8. The ankle foot orthosis set forth in claim 7, wherein: the instep connecting plate is provided with a convex connecting block, and the end part of the limiting belt is connected to the convex connecting block.

9. The ankle-foot orthosis set forth in claim 1, wherein: the supporting plate strip is provided with air holes.

10. The ankle-foot orthosis set forth in claim 1, wherein: an inner liner is arranged in the hoop.