CN218474678U

CN218474678U - Ankle-foot orthosis

Info

Publication number: CN218474678U
Application number: CN202220028224.3U
Authority: CN
Inventors: 蒋美杰; 谭龙飞; 史雄荣
Original assignee: Guangzhou Kelai Ruidi Rehabilitation Aids Co ltd
Current assignee: Guangzhou Kelai Ruidi Rehabilitation Aids Co ltd
Priority date: 2022-01-05
Filing date: 2022-01-05
Publication date: 2023-02-14
Anticipated expiration: 2032-01-05

Abstract

The utility model belongs to the technical field of medical instrument structure, specifically disclose an ankle foot orthopedic ware. The ankle-foot orthosis comprises a fixing main body, a first hinging seat, a second hinging seat and a telescopic rod, wherein the fixing main body is provided with a leg fixing sleeve and a foot support; the lower end of the leg fixing sleeve is provided with a first side part and a second side part; the upper end of the foot support is provided with a third side part and a fourth side part; the first lateral portion having an ankle shaft flexible section connected to the third lateral portion; an ankle shaft opening is formed between the second side of the leg securing sleeve and the fourth side of the foot rest. The leg fixing sleeve is connected with the foot support through the ankle shaft flexible section, and the foot support swings around the ankle shaft flexible section, so that the size of the opening of the ankle shaft can be adjusted; after the crus and the ankle feet of the patient are fixed on the fixed main body, the size of the opening of the ankle shaft can be adjusted by adjusting the length of the telescopic rod, so that the eversion angle or the inversion angle of the ankle feet on the foot support can be adjusted, the effect of overusing at night is effectively achieved, and the purpose of correcting the eversion feet or the eversion feet is achieved.

Description

Ankle-foot orthosis

Technical Field

The utility model relates to the technical field of medical instrument structures, in particular to an ankle-foot orthosis.

Background

Strephenopodia and strephenopodia generally employ targeted rehabilitation training and correction with corresponding orthotics to normalize the patient's foot for walking. The existing night ankle-foot orthosis fixes the ankle or ankle joint of a patient and then the patient performs dorsiflexion and plantarflexion movements to slowly return to normal. However, in the actual use process, the night ankle-foot orthosis has small correction effect on the varus and valgus, and patients do not have corresponding correction effect even after using for a long time, so that the correction effect is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at: the utility model provides an ankle-foot orthosis to solve the technical problems that night-used ankle-foot orthosis has small correcting effect and poor correcting effect in the prior art.

In order to achieve the above object, the present invention provides an ankle-foot orthosis, comprising:

a fixing body having a leg fixing sleeve and a foot rest; the lower end of the leg fixing sleeve is provided with a first side part and a second side part; the upper end of the foot support is provided with a third side part corresponding to the first side part and a fourth side part corresponding to the second side part; the first lateral portion having an ankle shaft flexible segment connecting the third lateral portion; an ankle opening is formed between said second side of said leg cuff and said fourth side of said foot rest;

a first hinge mount disposed on the second side;

a second hinge mount disposed on the fourth side;

the upper end of the telescopic rod is hinged with the first hinge seat; the lower extreme of telescopic link with the articulated seat of second is articulated.

Preferably, the telescopic rod is provided with a sleeve, a screw rod and a transfer shaft, the upper end of the sleeve is hinged with the first hinge seat, and a threaded hole matched with the screw rod is formed in the sleeve; the rotary shaft is provided with a first rotating shaft, the first rotating shaft is parallel to the length direction of the screw rod, the lower end of the screw rod is pivoted with the first rotating shaft, and the rotary shaft is hinged with the second hinged seat.

Preferably, the lower end of the screw is provided with an outer hexagonal screw head.

Preferably, the leg fixing sleeve comprises a U-shaped leg support and a leg restraining belt connected with the U-shaped leg support; the U-shaped leg support is provided with two first side walls, a leg opening is formed between edges of the two first side walls, the first side portions and the second side portions are respectively located on the different first side walls, and the leg opening is spanned by the leg restraining belt.

Preferably, a first protection pad is arranged on one side of the leg restraint strap facing the leg opening.

Preferably, the foot rest has a U-shaped ankle support having two second side walls with an ankle opening formed between edges of the two second side walls, the third and fourth side walls being on different ones of the second side walls, and an ankle cinching strap connected to the U-shaped ankle support and spanning the ankle opening.

Preferably, a second pad is disposed on one side of the ankle restraint strap facing the ankle opening.

Preferably, the foot support is provided with two foot guard plates respectively connected with the two second side walls, a foot opening connected with the ankle opening is arranged between the two foot guard plates, and the foot guard plates are provided with foot restraining belts which cross the foot opening.

Preferably, a third pad is disposed on a side of the foot restraint strap facing the foot opening.

Preferably, the fixing body is a plastic piece.

The utility model provides an ankle foot orthosis, its beneficial effect does: the leg fixing sleeve is connected with the foot support through the ankle shaft flexible section, and the foot support swings around the ankle shaft flexible section, so that the size of the opening of the ankle shaft can be adjusted; after the crus and the ankle feet of the patient are fixed on the fixed main body, the size of the opening of the ankle shaft can be adjusted by adjusting the length of the telescopic rod, so that the eversion angle or the inversion angle of the ankle feet on the foot support can be adjusted, the effect of overusing at night is effectively achieved, and the purpose of correcting the eversion feet or the eversion feet is achieved.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

FIG. 1 is a schematic view of an ankle foot orthosis according to an embodiment of the present invention for correcting varus;

FIG. 2 is a side view, schematic illustration of the ankle-foot orthosis depicted in FIG. 1;

fig. 3 is a schematic structural view of a stationary body of the ankle-foot orthosis shown in fig. 1;

FIG. 4 is a schematic structural view of an ankle-foot orthosis according to an embodiment of the present invention for correcting valgus;

fig. 5 is a schematic sectional view of the telescopic rod of the embodiment of the present invention;

fig. 6 is a schematic structural view of the leg restraining strip according to the embodiment of the present invention after being unfolded;

FIG. 7 is a schematic view of an ankle restraint strap according to an embodiment of the invention shown deployed;

fig. 8 is a schematic view showing a deployed foot restraint strap according to an embodiment of the present invention.

In the figure, 100, the main body is fixed; 110. a leg fixing sleeve; 111. a first side portion; 112. a second side portion; 113. an ankle shaft flexible section; 114. a U-shaped leg support; 115. a leg restraint strap; 116. a first side wall; 117. a first pad; 120. a foot support; 121. a second side portion; 122. a fourth side portion; 123. a U-shaped ankle brace; 124. an ankle cuff; 125. a second side wall; 126. a second pad; 127; a foot guard; 128. a foot restraint strap; 129. a third pad; 130. an ankle axis opening; 200. a first hinge mount; 300. a second hinge mount; 400. a telescopic rod; 410. a sleeve; 411. a threaded hole; 420. a screw; 421. an outer hexagonal screw head; 430. a transfer shaft; 431. a first rotating shaft; 500. hanging a ring; 600. magic tape.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 to 8 together, an ankle-foot orthosis according to an embodiment of the present invention will now be described.

As shown in fig. 1 to 3, the ankle-foot orthosis according to the embodiment of the present invention includes a fixing body 100, a first articulated seat 200, a second articulated seat 300, and a telescopic rod 400; the fixing body 100 has a leg fixing sleeve 110 and a foot rest 120; the lower end of the leg harness 110 has a first side 111 and a second side 112; the upper end of the foot support 120 is provided with a third side part 121 corresponding to the first side part 111 and a fourth side part 122 corresponding to the second side part 112; the first lateral portion 111 has an ankle shaft flexible section 113 connecting the third lateral portion 121; an ankle opening 130 is formed between the second side 112 of the leg cuff 110 and the fourth side 122 of the foot rest 120; the first hinge seat 200 is disposed on the second side portion 112; the second hinge seat 300 is disposed on the fourth side portion 122; the upper end of the telescopic rod 400 is hinged with the first hinge base 200; the lower end of the telescopic rod 400 is hinged to the second hinge base 300.

An ankle shaft flexible section 113 connects the foot support 120 and the leg securing cuff 110 such that the foot support 120 and leg securing cuff 110 can swing about the ankle shaft flexible section 113 to enlarge the ankle shaft opening 130 or to reduce the opening. The leg fixing cuff 110 is used to fix the lower leg of the patient, and the foot rest 120 is used to fix the ankle of the patient, so that the ankle of the patient can swing around the ankle shaft flexible section 113 when the lower leg and the ankle of the patient are fixed to the fixing body 100. The extension rod 400 can be adjusted in length to adjust the distance between the first and second articulated

seats

200 and 300, and thus the distance between the second and

fourth sides

112 and 122, and thus the size of the ankle foot opening. By adjusting the size of the ankle opening 130, the eversion angle or the varus angle of the ankle foot is adjusted.

When the varus foot of the patient needs to be corrected, referring to fig. 1, the first lateral portion 111 corresponds to the outer side of the lower leg of the patient, the second lateral portion 112 corresponds to the inner side of the lower leg of the patient, the ankle shaft flexible section 113 corresponds to the lateral ankle horizontal axis of the ankle of the patient, the ankle shaft opening 130 corresponds to the medial ankle of the patient, the third lateral portion 121 corresponds to the outer side of the ankle of the patient, and the fourth lateral portion 122 corresponds to the inner side of the ankle of the patient; during the use, patient's shank is fixed on the fixed cover 110 of shank, and the ankle foot is fixed on the foot rest 120, adjusts the length of telescopic link 400 this moment, makes the length extension of telescopic link 400, and then the foot rest 120 will be gradually toward turning up, drives patient's ankle foot and turns up, makes the angle of turning up of patient's ankle foot increase, exerts corresponding three point power at knee medial condyle lower edge, outside talus and first metatarsal promptly, reaches the effect of correcting the varus.

When the valgus of the patient needs to be corrected, referring to fig. 5, the first lateral portion 111 corresponds to the inner side of the lower leg of the patient, the second lateral portion 112 corresponds to the outer side of the lower leg of the patient, the ankle shaft flexible section 113 corresponds to the medial ankle horizontal axis of the ankle of the patient, the ankle shaft opening 130 corresponds to the lateral ankle of the patient, the third lateral portion 121 corresponds to the inner side of the ankle of the patient, and the fourth lateral portion 122 corresponds to the outer side of the ankle of the patient; when the ankle correction device is used, the lower leg of a patient is fixed on the leg fixing sleeve 110, the ankle part is fixed on the foot support 120, the length of the telescopic rod 400 is adjusted at the moment, the length of the telescopic rod 400 is extended, the foot support 120 gradually turns inwards to drive the ankle part of the patient to turn outwards and inwards, so that the turning-inwards angle of the ankle part of the patient is increased, namely, corresponding three-point force is applied to the lower edge of the lateral condyle of the knee, the medial talus and the fifth metatarsal bone, and the effect of correcting the valgus foot is achieved.

The leg fixing sleeve 110 of the ankle-foot orthosis of the embodiment is connected with the foot support 120 through the ankle shaft flexible section 113, and the foot support 120 swings around the ankle shaft flexible section 113, so that the size of the ankle shaft opening 130 can be adjusted; after the lower leg and the ankle foot of the patient are fixed on the fixing main body 100, the size of the ankle shaft opening 130 can be adjusted by adjusting the length of the telescopic rod 400, so that the eversion angle or the inversion angle of the ankle foot on the foot support 120 can be adjusted, the effect of overriding at night can be effectively achieved, and the purpose of correcting the eversion foot or the eversion foot can be achieved.

In a preferred embodiment of the present invention, referring to fig. 2 and 5, the telescopic rod 400 has a sleeve 410, a screw rod 420, and an adaptor shaft 430, wherein the upper end of the sleeve 410 is hinged to the first hinge base 200, and a threaded hole 411 matched with the screw rod 420 is provided in the sleeve 410; the adaptor shaft 430 is provided with a first rotating shaft 431, the first rotating shaft 431 is parallel to the length direction of the screw rod 420, the lower end of the screw rod 420 is pivoted with the first rotating shaft 431, and the adaptor shaft 430 is hinged with the second hinge base 300. The screw rod 420 may be rotated to adjust the depth of the screw rod 420 extending into the screw hole 411, thereby adjusting the distance from the upper end of the sleeve 410 to the lower end of the screw rod 420 to adjust the overall length of the telescopic link 400, adjusting the distance between the first and second articulated

seats

200 and 300, and adjusting the size of the ankle shaft opening 130, thereby adjusting the valgus angle or the varus angle of the ankle foot on the foot rest 120.

In a preferred embodiment of the present invention, referring to fig. 2 and 5, the lower end of the screw rod 420 is provided with an outer hexagonal screw head 421. The external hexagonal screw 421 may facilitate a user to use a wrench to rotate the screw 420, and facilitate a user to rotate the screw 420, so as to adjust the total length of the telescopic rod 400.

In a preferred embodiment of the present invention, referring to fig. 1 and 6, the leg fixing sheath 110 comprises a U-shaped leg support 114 and a leg restraining strap 115 connected to the U-shaped leg support 114; the U-shaped leg rest 114 has two first side walls 116, and a leg opening is formed between edges of the two first side walls 116, and the first side portion 111 and the second side portion 112 are respectively located on different first side walls 116, that is, the first side portion 111 is located on one of the first side walls 116, and the second side portion 112 is located on the other first side wall 116. Leg restraining straps 115 span the leg openings. Two first side walls 116 of the U-shaped leg support 114 are attached to the inner side and the outer side of the leg of the patient to wrap the lower leg of the patient, and the leg restraint strap 115 is used for fixing the lower leg of the patient on the U-shaped leg support 114 to play a role in fixing and facilitating correction. It should be noted that, the two first side walls 116 are both provided with hanging rings 500, one end of the leg restraining belt 115 is fixed on one of the hanging rings 500, and then the leg restraining belt 115 passes through the other hanging ring 500 and is turned over; the leg restraining strap 115 is then attached by hook and loop fasteners 600 to span the leg opening to tighten the leg opening formed by the two first side walls 116 to secure the lower leg to the leg securing strap 110. In addition, the leg restraint strap 115 can be fastened across the leg opening by a tower buckle, or the lower leg can be fastened to the U-shaped leg support 114 by binding.

In a preferred embodiment of the present invention, referring to fig. 1 and 6, a first pad 117 is provided on a side of the leg restraining strip 115 facing the leg opening. Namely, the first protection pad 117 is positioned between the leg restraint belt 115 and the lower leg, so that the patient can contact the first protection pad 117, the pressing feeling of the leg restraint belt 115 to the lower leg is reduced, the strange mark is reduced, and the use is more comfortable.

In a preferred embodiment of the present invention, referring to fig. 1 and 7, the foot rest 120 has a U-shaped ankle support 123 and an ankle restraining strap 124 connected to the U-shaped ankle support 123. The U-shaped ankle support 123 has two second side walls 125 and an ankle opening is formed between the edges of the two second side walls 125. The third side 121 and the fourth side 122 are located on different second side walls 125, i.e., the third side 121 is located on one of the second side walls 125 and the fourth side 122 is located on the other of the second side walls 125. An ankle cuff 124 spans the ankle opening. The U-shaped ankle support 123 is used to surround and secure the ankle of a patient, and the ankle of the patient can be secured in cooperation with the ankle restraint strap 124 for correction. It should be noted that both the two second side walls 125 are provided with hanging rings 500, one end of the ankle restraining band 124 is fixed on one of the hanging rings 500, and then the ankle restraining band 124 passes through the other hanging ring 500 and is turned over; the ankle restraint strap 124 is then secured by the Velcro 600 to span the ankle opening, thereby tightening the ankle opening formed by the two second sidewalls 125 to secure the ankle to the U-shaped ankle support 123. In addition, the ankle cuff 124 may be attached to the ankle opening by a tower buckle or by stitching the ankle to the U-shaped ankle brace 123.

In a preferred embodiment of the present invention, referring to fig. 1 and 7, a second pad 126 is provided on the side of the ankle restraining strap 124 facing the ankle opening. That is, the second pad 126 is located between the ankle restraining band 124 and the ankle, so that the patient can contact the second pad 126, the compression feeling of the ankle restraining band 124 on the ankle is reduced, the tightening mark is reduced, and the use is more comfortable.

In a preferred embodiment of the present invention, referring to fig. 1 and 8, the foot support 120 is provided with two foot guards 127 connected to the two second sidewalls 125, respectively, the two foot guards 127 having a foot opening with an ankle opening therebetween, the foot guards 127 being provided with a foot restraint strap 128, the foot restraint strap 128 spanning the foot opening. The foot guard 127 is located at the edge of the foot support 120 for supporting the first and fifth metatarsals to facilitate the application of force to the foot of the patient for correction. The foot restraint strap 128 is used to secure the patient's foot to the foot support 120, preventing the patient's foot from breaking loose from the foot support 120 during correction, ensuring a corrective effect. It should be noted that both the two foot guard plates 127 are provided with hanging rings 500, one end of the foot restraining belt 128 is fixed on one of the hanging rings 500, and then the foot restraining belt 128 passes through the other hanging ring 500 and is turned over; the foot restraint strap 128 is then affixed to the foot opening by hook and loop fasteners 600 to tighten the foot opening formed by the two foot panels 127 to secure the foot to the foot support 120. In addition, the foot restraint strap 128 can be used to span the foot opening with a tower buckle or to bind the foot to the foot rest 120 by stitching.

In a preferred embodiment of the present invention, referring to fig. 1 and 8, a third protection pad 129 is provided on a side of the foot restraint belt 128 facing the foot opening. Namely, the third protection pad 129 is positioned between the foot restriction belt 128 and the foot, so that the patient can contact with the third protection pad 129, the pressing feeling of the foot restriction belt 128 to the foot is reduced, the strange mark is reduced, and the use is more comfortable.

In a preferred embodiment of the present invention, the fixing body 100 is a plastic member. The fixing main body 100 is made of a polypropylene plastic plate, namely, the plastic plate can be bent and shaped to be matched with the leg and the foot of a patient, namely, the leg fixing sleeve 110 and the foot support 120 are formed to better coat and fix the leg and the foot of the patient, an ankle shaft opening 130 is formed at the ankle shaft of the corresponding patient, and an ankle shaft flexible section 113 is formed at the joint of the leg fixing sleeve 110 and the foot support 120. Because the plastic has a certain elasticity, the foot rest 120 can swing with the ankle shaft flexible section 113.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be considered as the protection scope of the present invention.

Claims

1. An ankle-foot orthosis, comprising:

a fixing body having a leg fixing sleeve and a foot rest; the lower end of the leg fixing sleeve is provided with a first side part and a second side part; the upper end of the foot support is provided with a third side part corresponding to the first side part and a fourth side part corresponding to the second side part; the first lateral portion having an ankle shaft flexible section connecting the third lateral portion; an ankle opening is formed between said second side of said leg cuff and said fourth side of said foot rest;

a first hinge mount disposed on the second side;

a second hinge mount disposed on the fourth side;

2. The ankle foot orthosis set forth in claim 1, wherein: the telescopic rod is provided with a sleeve, a screw rod and a transfer shaft, the upper end of the sleeve is hinged with the first hinge seat, and a threaded hole matched with the screw rod is formed in the sleeve; the rotary shaft is provided with a first rotating shaft, the first rotating shaft is parallel to the length direction of the screw rod, the lower end of the screw rod is pivoted with the first rotating shaft, and the rotary shaft is hinged with the second hinged seat.

3. The ankle-foot orthosis set forth in claim 2, wherein: the lower end of the screw rod is provided with an outer hexagonal screw head.

4. The ankle foot orthosis set forth in claim 1, wherein: the leg fixing sleeve comprises a U-shaped leg support and a leg restraining belt connected with the U-shaped leg support; the U-shaped leg support is provided with two first side walls, a leg opening is formed between edges of the two first side walls, the first side portions and the second side portions are respectively located on the different first side walls, and the leg opening is spanned by the leg restraining belt.

5. The ankle foot orthosis set forth in claim 4, wherein: one side of the leg restraint strap facing the leg opening is provided with a first protection pad.

6. The ankle-foot orthosis set forth in claim 1, wherein: the foot support is provided with a U-shaped ankle support and an ankle restraint strap connected with the U-shaped ankle support, the U-shaped ankle support is provided with two second side walls, an ankle opening is formed between edges of the two second side walls, the third side part and the fourth side part are respectively positioned on different second side walls, and the ankle restraint strap spans the ankle opening.

7. The ankle-foot orthosis set forth in claim 6, wherein: and a second protection pad is arranged on one side of the ankle restraint strap facing the ankle opening.

8. The ankle-foot orthosis set forth in claim 7, wherein: the foot support is provided with two foot guard plates respectively connected with the two second side walls, a foot opening communicated with the ankle opening is formed between the two foot guard plates, and the foot guard plates are provided with foot restraining belts which stretch across the foot opening.

9. The ankle-foot orthosis set forth in claim 8, wherein: and a third protection pad is arranged on one side of the foot restraint belt facing the foot opening.

10. An ankle-foot orthosis according to any one of claims 1-9, wherein: the fixing main body is a plastic part.