CN108354701B - Achilles tendon boot support and manufacturing method thereof - Google Patents

Achilles tendon boot support and manufacturing method thereof Download PDF

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Publication number
CN108354701B
CN108354701B CN201810271462.5A CN201810271462A CN108354701B CN 108354701 B CN108354701 B CN 108354701B CN 201810271462 A CN201810271462 A CN 201810271462A CN 108354701 B CN108354701 B CN 108354701B
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China
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boot
arc
user
shaped plate
plate
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CN201810271462.5A
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CN108354701A (en
Inventor
余家阔
林霖
马勇
王永健
许胜勇
周海东
郭丹
余舟
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Wuxi Easyway Models Design & Manufacturing Co ltd
Peking University
Peking University Third Hospital
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Wuxi Easyway Models Design & Manufacturing Co ltd
Peking University
Peking University Third Hospital
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Priority to CN201810271462.5A priority Critical patent/CN108354701B/en
Publication of CN108354701A publication Critical patent/CN108354701A/en
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F5/00Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
    • A61F5/01Orthopaedic devices, e.g. splints, casts or braces
    • A61F5/04Devices for stretching or reducing fractured limbs; Devices for distractions; Splints
    • A61F5/05Devices for stretching or reducing fractured limbs; Devices for distractions; Splints for immobilising

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  • Health & Medical Sciences (AREA)
  • Nursing (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Abstract

The application relates to an achilles tendon boot brace, which comprises a first arc-shaped plate, a second arc-shaped plate, a foot fixing device and an adjusting chuck; the first arc-shaped plate and the second arc-shaped plate are oppositely arranged to form a cavity for placing the user's lower leg, the inner arc-shaped surface of the first arc-shaped plate is matched with the rear side of the user's lower leg, and the inner arc-shaped surface of the second arc-shaped plate is matched with the front side of the user's lower leg; the foot fixing device comprises a boot bottom, a boot upper and an adjustable boot pad, the boot upper surrounds the outer side of the boot bottom, the boot upper is rotatably connected with the first arc-shaped plate or the second arc-shaped plate through an adjusting chuck, the adjustable boot pad is arranged on the boot bottom, and a height adjusting device for adjusting the height of the heel is arranged between the adjustable boot pad and the boot bottom. The achilles tendon boot brace disclosed by the application can flexibly adjust the height of the heel of the achilles tendon boot brace and the range of ankle joint flexion and extension movement. The application also provides a manufacturing method of the achilles tendon boot brace, which is used for manufacturing the achilles tendon boot brace in a personalized way for a user.

Description

Achilles tendon boot support and manufacturing method thereof
Technical Field
The application relates to the technical field of medical equipment, in particular to an achilles tendon boot support and a manufacturing method thereof.
Background
Patients with injured ankle joints or achilles tendons can be treated by fixing gypsum, and the gypsum has poor matching degree with skin and can not move, so that the later functional recovery is not facilitated. There are a variety of achilles tendon boot braces currently available for treating ankle or achilles tendon injuries. Each brace is designed according to the mechanical effect required in the rehabilitation exercise stage so as to achieve the purpose of accelerating rehabilitation.
However, the conventional ankle fixing brace is generally inconvenient to adjust, can not limit the ankle to move within a certain range, and can limit the movement of a user. In the recovery process of the damaged achilles tendon, a user is often required to keep the toe downward, the achilles tendon is prevented from being stretched, the user needs to use a foot rest or a heel pad by matching with the achilles tendon boot support, and the foot rest or a layer of heel pad needs to be replaced or withdrawn at intervals in the recovery process, so that the height of the heel is gradually changed. Such heel style is not safe and the heel support or heel may slip, resulting in secondary stretching of the achilles tendon. The height is inconvenient to adjust, the achilles tendon boot brace needs to be worn and taken off for many times during adjustment, the adjustable amplitude is limited, the flexibility is poor, and discomfort is possibly caused to a user due to improper height of the foot rest or the heel or untimely adjustment, so that the illness state of a patient is aggravated.
Meanwhile, the existing achilles tendon boot brace manufacturing method is generally rough, the brace cannot be well matched with the structure of a user, the user can shake in the brace after wearing the brace, the fixing effect of the brace is affected, and normal activities of the user are disturbed.
Disclosure of Invention
First, the technical problem to be solved
The technical problem to be solved by the application is to solve the problems that the existing achilles tendon boot brace is not flexible to adjust, can not limit the ankle joint to move in a certain bending and stretching range, and can not flexibly adjust the height of the heel.
The application also solves the technical problems that the manufacturing method of the achilles tendon boot brace in the prior art does not consider the individuation difference of users, can not be matched with the structure of the users, and can not provide an individuation achilles tendon boot brace.
(II) technical scheme
In order to solve the technical problems, the application provides an achilles tendon boot brace which comprises a first arc-shaped plate, a second arc-shaped plate, a foot fixing device and an adjusting chuck;
the first arc-shaped plate and the second arc-shaped plate are oppositely arranged to form a cavity for placing the lower leg of a user, the inner arc-shaped surface of the first arc-shaped plate is matched with the rear side of the lower leg of the user, and the inner arc-shaped surface of the second arc-shaped plate is matched with the front side of the lower leg of the user;
the foot fixing device comprises a boot bottom, a boot upper and an adjustable boot pad, wherein the boot upper surrounds the outer side of the boot bottom, the boot upper is rotatably connected with the first arc-shaped plate or the second arc-shaped plate through the adjusting chuck, the adjustable boot pad is arranged on the boot bottom, and a height adjusting device for adjusting the height of the heel is arranged between the adjustable boot pad and the boot bottom.
Preferably, the adjusting chuck comprises a fixed part, a rotating branch, a limit lock and at least one adjusting gear;
the fixed part is provided with a hinge shaft, one side of the hinge shaft is provided with a limit column, the rotating branch strip is provided with a first limit groove, the rotating branch strip is rotatably connected with the fixed part through the hinge shaft, and the limit column is arranged in the first limit groove in a penetrating manner;
each adjusting gear is provided with a second limit groove, the adjusting gears are rotatably sleeved on the hinge shaft, and the limit posts penetrate through the second limit grooves;
the limiting lock comprises a locking plate and a limiting switch, one end of the locking plate is provided with a limiting tooth matched with the adjusting gear, the limiting switch can drive the locking plate to move along the radial direction of the adjusting gear, and when the limiting tooth is meshed with the adjusting gear, the limiting lock prevents the adjusting gear from rotating;
the foot fixing device is fixed relative to the fixing part, and the hinge shaft and the limiting column sequentially penetrate through the shoe upper, the first arc-shaped plate, the rotating branch strip and the dividing gear.
Preferably, the adjusting chuck further comprises a shell, the shell is arranged on the outer side of the adjusting gear and the outer side of the locking plate, a groove and at least two clamping pieces are arranged on the shell, the limit switch is provided with at least one protruding column, the limit switch penetrates through the groove and is fixedly connected with the locking plate, and the protruding column is arranged between the two clamping pieces or between the clamping pieces and the shell.
Preferably, the clamping pieces are arranged in the grooves, two clamping pieces are arranged oppositely, the limit switch is provided with one convex column, and the convex column is arranged between the two clamping pieces.
Preferably, the front end of the adjustable boot pad is rotatably connected with the boot sole of the achilles tendon boot brace;
the height adjusting device comprises a supporting piece and an adjusting piece, one end of the supporting piece is hinged with the rear end of the adjustable boot pad, and the other end of the supporting piece is hinged with one end of the adjusting piece; the adjusting piece is arranged on the boot sole and can move relative to the boot sole; and moving the adjusting piece can drive the supporting piece to rotate, so that the height of the rear end of the adjustable boot pad is changed.
Preferably, the foot fixing device further comprises a toe fixing part fixed at the front end of the sole, and the front end of the adjustable boot pad is rotatably connected with the toe fixing part.
Preferably, the adjustable boot pad is further provided with an indication column for indicating the lifting height, the indication column is arranged at the rear end of the adjustable boot pad, a groove is formed in the position corresponding to the boot upper, a scale value is arranged on one side of the groove, and the indication column extends outwards from the groove to the boot upper of the achilles tendon boot support.
Preferably, the first arcuate plate and the second arcuate plate are connected by a strap, and the foot fixing device is fixed to the foot of the user by the strap.
Preferably, the first arc-shaped plate, the second arc-shaped plate, the boot upper, the boot sole and the adjustable boot pad are prepared into standard components with preset specification sizes; or alternatively
The first arc plate, the second arc plate, the shoe upper, the shoe sole and the adjustable boot pad are customized for a user in a personalized way, so that the inner arc surface of the first arc plate is attached to the rear side of the lower leg of the user, the inner arc surface of the second arc plate is attached to the front side of the lower leg of the user, and the shoe upper and the adjustable boot pad are attached to the foot of the user.
The application also provides a manufacturing method of the achilles tendon boot brace, which is used for manufacturing the achilles tendon boot brace in a personalized way for a user and comprises the following steps:
s1, acquiring the size and body surface radian data of a part to be fixed of the lower leg and the foot of a user;
s2, importing the data in the step S1 into a computer, and repairing the data by utilizing the skeleton conventional structure information and 3D model data conversion software;
s3, respectively carrying out structural design of a first arc-shaped plate, a second arc-shaped plate, a boot upper, a boot sole and an adjustable boot pad by utilizing the data obtained in the step S2 and 3D modeling software to obtain a first arc-shaped plate and a second arc-shaped plate with inner arc surfaces attached to the lower leg of a user, and a three-dimensional model of the boot upper, the boot sole and the adjustable boot pad, which are suitable for the foot shape of the user;
s4, printing the three-dimensional model in the step S3 by utilizing a 3D printing technology to obtain a first arc-shaped plate and a second arc-shaped plate, wherein the inner arc-shaped surface of the first arc-shaped plate is attached to the lower leg of a user, and the boot upper, the boot bottom and the adjustable boot pad are suitable for the foot shape of the user;
s5, assembling the first arc-shaped plate, the second arc-shaped plate, the boot upper, the boot sole, the adjustable boot pad, the prefabricated part adjusting chuck and the height adjusting device which are obtained through 3D printing in the step S4, and obtaining the achilles tendon boot support which is manufactured individually for the user.
(III) beneficial effects
The technical scheme of the application has the following advantages: the application provides an achilles tendon boot brace which is divided into a leg fixing device and a foot fixing device, wherein the leg fixing device comprises a first arc-shaped plate and a second arc-shaped plate, the leg fixing device is connected with the foot fixing device through an adjusting chuck, can relatively rotate, and can flexibly adjust the joint bending and stretching movement range of the foot fixing device relative to the leg fixing device. The foot fixing device is internally provided with the adjustable boot pad and the height adjusting device, so that the height of the heel of the achilles tendon boot support can be flexibly adjusted according to the needs of a user, and the foot fixing device is simple in structure, convenient to use and beneficial to rehabilitation of the user.
According to the achilles tendon boot brace, the first arc-shaped plate, the second arc-shaped plate, the boot upper, the boot sole and the adjustable boot pad are customized individually for a user, so that the inner arc-shaped surface of the first arc-shaped plate is attached to the rear side of the lower leg of the user, the inner arc-shaped surface of the second arc-shaped plate is attached to the front side of the lower leg of the user, and the boot upper and the adjustable boot pad are attached to the foot of the user, so that the customized achilles tendon boot brace is obtained, and the use comfort is improved.
The application also provides a manufacturing method of the achilles tendon boot brace, which is used for manufacturing the achilles tendon boot brace for a user in a personalized way, and manufacturing the brace by utilizing the data of the user and the 3D printing technology, wherein the first arc plate, the second arc plate and the foot fixing device are matched with the structure of the user, so that the feet and the legs of the user can be well attached, better support is provided for the user, and the use comfort is improved.
Drawings
FIG. 1 is a perspective view of an achilles tendon boot brace in an embodiment of the application;
FIG. 2 is an exploded view of the adjustment chuck of the achilles tendon shoe brace in an embodiment of the application;
FIG. 3 is a partial schematic view of a first arcuate plate in accordance with an embodiment of the present application;
FIG. 4 is a schematic view of a second arcuate plate in an embodiment of the application;
FIG. 5 is a schematic view of a boot upper in an embodiment of the application;
FIG. 6 is an enlarged view of portion A of FIG. 2;
FIG. 7 is a schematic diagram of a limit switch in an embodiment of the application;
FIG. 8 is an exploded view of a foot immobilization device according to an embodiment of the present application;
FIG. 9 is a side view of an adjustable boot pad and height adjustment device in an embodiment of the application;
fig. 10 is a perspective view of a height adjustment device in accordance with an embodiment of the present application.
In the figure: 1: a first arcuate plate; 10: a first joint part; 11: a first hinge hole; 12: a first limiting hole; 2: a second arcuate plate;
20: a second joint part; 21: a second hinge hole; 22: a second limiting hole;
30: a housing; 301: slotting; 302: a clamping piece; 303: a third limit groove;
311: a limit switch; 312: a convex column; 313: a locking plate; 314: a slotted hole; 315: an auxiliary long hole;
32: rotating the branch strips; 321: a first limit groove; 322: a connecting column; 323: auxiliary fixing columns;
33: a fixing part; 331: a hinge shaft; 332: a limit column;
34: an adjusting gear; 341: the second limit groove; 342: a pulling piece; 343: a plectrum cap;
4: a boot sole; 5: a boot upper;
61: an adjustable boot pad; 611: an indicator column; 62: a support; 621: a backing plate;
631: a U-shaped frame; 632: a push rod; 633: a threaded cap; 634: a fixing member; 64: a toe fixing part.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
In the present application, the terms "upper", "lower", "front", "rear", and the like refer to directions and are for convenience of description, and are intended to be based on directions when the user wears the achilles tendon boot brace and maintains the standing state.
As shown in fig. 1 and 2, an achilles tendon boot brace provided in an embodiment of the present application includes a first arc plate 1, a second arc plate 2, a foot fixing device, and an adjustment chuck 3. As shown in fig. 3 and 4, the first arc plate 1 and the second arc plate 2 are oppositely arranged to form a cavity for placing the user's lower leg, the inner arc surface of the first arc plate is matched with the rear side of the user's lower leg, and the inner arc surface of the second arc plate 2 is matched with the front side of the user's lower leg.
The first arcuate plate 1 and the second arcuate plate 2 are leg fixing means. Preferably, the first curved plate 1 and the second curved plate 2 have a certain hardness, and can function to support and fix the legs of the user.
As shown in fig. 5 and 8, the foot immobilization device includes a sole 4, a bootie 5, and an adjustable boot pad 61. The boot upper 5 surrounds the outer side of the boot sole 4, and the boot upper 5 is rotatably connected with the first arc-shaped plate 1 or the second arc-shaped plate 2 through the adjusting chuck 3. An adjustable boot pad 61 is provided on the sole 4, and a height adjusting device for adjusting the height of the heel is provided between the adjustable boot pad 61 and the sole 4.
Preferably, as shown in fig. 1 and 2, the boot upper 5 is provided with a mounting seat and a strap buckle, the strap buckle is arranged on the mounting seat in a penetrating manner, and the foot of the user is fixed in the foot fixing device through the strap. Of course, other fixing methods can be adopted to ensure that the feet of the user do not move relative to the foot fixing device.
Preferably, in order to reduce the weight of the whole support, the support is convenient to ventilate, and the first arc-shaped plate 1 and the second arc-shaped plate 2 are hollow. Be equipped with a plurality of fretwork grooves that extend along user's shank circumference on first arc 1 and the second arc 2, a plurality of fretwork groove interval distribution for first arc 1 and second arc 2 can be crooked to a certain extent, so that match with user's shank better, still keep simultaneously to the better supporting role of shank. Further preferably, the boot upper 5 is also provided with a hollowed-out groove.
In the embodiment of the present application, the first arc plate 1, the second arc plate 2, the sole 4, the upper 5 and the adjustable boot pad 61 may be manufactured as standard components, which are generally used for most users, and of course, standard components with different specifications and sizes suitable for groups such as children, adults or obese people can be manufactured according to different ages of the users, for example, the standard components can be divided into three types of large, medium and small sizes, so that the corresponding supports with three types of large, medium and small sizes can be obtained to correspondingly match different groups. The first arc plate 1, the second arc plate 2, the sole 4, the upper 5 and the adjustable boot pad 61 can also be customized individually for a user, for example, in some embodiments, the first arc plate 1, the second arc plate 2, the sole 4, the upper 5 and the adjustable boot pad 61 are customized individually for the user, data of the lower leg and the foot of the user are collected before customization, the first arc plate 1, the second arc plate 2, the sole 4, the upper 5 and the adjustable boot pad 61 are made based on the collected data, the inner arc surface of the first arc plate 1 is attached to the rear side of the lower leg of the user, the inner arc surface of the second arc plate 2 is attached to the front side of the lower leg of the user, and the upper 5 and the adjustable boot pad 61 are attached to the foot of the user, so that the comfort is improved. The sole 4 is not in direct contact with the user's foot, but it affects the fit of the upper 5 and the adjustable boot pad 61 to the user's foot, so the sole 4 is also customized according to the user's own structural parameters, ensuring a better fit of the achilles tendon support to the user's leg and foot.
In this embodiment, the first arc plate 1 and the second arc plate 2 are connected by a binding belt, as shown in fig. 1 and 2, both sides of the first arc plate 1 and the second arc plate 2 are provided with a mounting seat and a binding belt buckle, the binding belt buckle is arranged on the mounting seat in a penetrating manner, and the binding belt passes through the binding belt buckle on the first arc plate 1 and the second arc plate 2 to combine the first arc plate 1 and the second arc plate 2 to form a closed cavity for fixing the leg of a user. Preferably, the edge of the first curved plate 1 is stepped, and the first curved plate 1 and the second curved plate 2 can be dislocated to some extent so as to better match the legs of the user. The two ends of the binding belt can be connected by adopting a schoolbag buckle or a magic tape, and are arranged at the rear side of the first arc-shaped plate 1, and the tightness of the fixed leg can be adjusted in a certain range through the schoolbag buckle or the magic tape.
In particular to the present embodiment, the achilles tendon shoe brace comprises two adjustment chucks 3, the two adjustment chucks 3 being located on the inner side of the user's leg and the outer side of the user's leg, respectively. The upper end of the boot upper 5 is connected with the lower end of the first arc-shaped plate 1 through two adjusting chucks 3. Obviously, in another embodiment, the upper end of the boot upper 5 may also be connected with the lower end of the second arc plate 2.
As shown in fig. 3 and 4, preferably, the lower ends of both sides of the first arc-shaped plate 1 are protruded downward to form two first joint parts 10, and the ends of the first joint parts 10 are provided with a first hinge hole 11 and a first limit hole 12. Further preferably, the first limiting hole 12 is an arc-shaped long hole provided at one side of the first hinge hole 11, and a middle portion of the arc-shaped long hole is located right under the first hinge hole 11.
Preferably, for the convenience of fixing and adjusting, the length of the first joint part 10 is not less than one third of the total length of the first arc plate 1, and the first curved surface of the first arc plate 1 surrounds the leg circumference of the user by not less than 1/2 of the circumference of the calf of the user. The length of the second curved plate 2 is the same as the length of the first curved plate 1 except the first joint portion 10, and the second curved surface of the second curved plate 2 surrounds the leg circumference of the user by not less than 1/2 of the circumference of the calf of the user.
As shown in fig. 5, the upper ends of both sides of the boot upper 5 extend upward to form two second joint parts 20, and the ends of the second joint parts 20 are provided with second hinge holes 21 and second limit holes 22. The second hinge hole 21 and the second limiting hole 22 are round holes.
The first limiting hole 12 and the second limiting hole 22 for matching with the adjusting chuck 3 may be one arc-shaped long hole. In this embodiment, the first limiting hole 12 is an arc oblong hole, the second limiting hole 22 is a circular hole, or the first limiting hole 12 may be a circular hole, and the second limiting hole 22 may be an arc oblong hole.
As shown in fig. 6 and 7, the adjustment chuck 3 in the present embodiment includes a limit lock, a rotation branch 32, a fixing portion 33, and two adjustment gears 34. The fixed part 33 is provided with a hinge shaft 331, one side of the hinge shaft 331 is provided with a limit post 332, the rotating support strip 32 is provided with a through hole for penetrating the hinge shaft 331 and a first limit groove 321, the rotating support strip 32 is rotatably connected with the fixed part 33 through the hinge shaft 331, and the limit post 332 is penetrated in the first limit groove 321. As shown in fig. 6, in the present embodiment, the middle portion of the first limiting groove 321 is located directly below the via hole for penetrating the hinge shaft 331. Preferably, the central angle corresponding to the first limiting groove 321 is 150-180 °.
In another embodiment, only one adjusting gear 34 may be provided, and one adjusting gear 34 may enable the achilles tendon support to limit the flexion and extension range of the ankle joint only from one direction, and the two adjusting gears 34 described in this embodiment are more preferable.
The two adjusting gears 34 are provided with a plurality of tooth-shaped structures distributed along the circumferential direction, a through hole for penetrating the hinge shaft 331 and a second limit groove 341, the two adjusting gears 34 are rotatably sleeved on the hinge shaft 331, and the limit column 332 penetrates through the second limit groove 341. When the rotation stay 32 rotates relative to the fixed portion 33, the stopper post 332 moves within a range where the first stopper groove 321 and the second stopper groove 341 overlap.
The limit lock comprises a lock plate 313 and a limit switch 311, wherein one end of the lock plate 313 is provided with limit teeth matched with the toothed structure on the periphery of the adjusting gear 34. The limit switch 311 can drive the locking plate 313 to move along the radial direction of the adjusting gear 34, and the limit teeth are inserted into the tooth-shaped structure of the adjusting gear 34. When the limiting teeth are engaged with the two adjusting gears 34, the limiting lock can lock the two adjusting gears 34, and prevent the two adjusting gears 34 from rotating. Since it is necessary to lock both adjusting gears 34 at the same time, the thickness of the spacing teeth should not be too small, and preferably the thickness of the spacing teeth is equal to the thickness of both adjusting gears 34.
Preferably, the adjustment chuck 3 further includes a housing 30, the housing 30 being disposed outside the adjustment gear 34 and the locking piece 313. The shell 30 is provided with a slot 301, two clamping pieces 302 are arranged in the slot 301, and the two clamping pieces 302 are oppositely arranged. As shown in fig. 7, a protruding column is disposed on the back side of the limit switch 311, and when the limit switch 311 is installed, the protruding column 312 is disposed between the two clips 302, and the protruding column passes through the slot 301 from the outer side of the housing 30 and is fixedly connected with the locking plate 313.
Preferably, the ends of the two clips 302 are provided with opposing bosses. It is further preferred that the length of the protruding portion is not less than the height of the tooth-like structure. The protruding part forms a limit structure with a shape variable between the two clamping pieces 302, when the limit switch 311 is moved, the protruding column 312 moves along the slideway between the two clamping pieces 302, and after moving to the protruding part position of the clamping piece 302, the clamping piece 302 deforms, and the protruding column 312 moves to the other side of the protruding part. The cooperation of the protruding portion and the protruding post 312 makes the locking plate 313 not fall under the action of gravity, interferes with the rotation of the adjusting gear 34, and can not easily bounce after moving downwards, and can better lock the adjusting gear 34. And when the user pushes the limit switch 311, the user can feel that the convex column 312 is blocked and sounded through the clamping piece 302, so that the user can conveniently judge whether the limit lock moves a sufficient distance.
Of course, in other embodiments, other types of limiting structures may be used to limit the posts 312, such as saw-tooth clips 302.
Preferably, the locking plate 313 is provided with a oblong hole 314, one side of the rotating support strip 32 is provided with a connecting column 322, the oblong hole 314 is sleeved on the connecting column 322, and the length direction of the oblong hole 314 is arranged along the radial direction of the adjusting gear 34.
Further preferably, the locking piece 313 is further provided with a secondary long hole 315, the secondary long hole 315 is located on one side of the long hole 314 away from the adjusting gear 34, and the length direction is along the radial direction of the adjusting gear 34. The rotating support strip 32 is also provided with an auxiliary fixing column 323, and the auxiliary fixing column 323 is arranged in the auxiliary long hole 315 in a penetrating way and fixedly connected with the shell 30.
When the limit switch 311 is moved, the locking piece 313 translates to the adjusting gear 34, the connecting post 322 moves within the range of the oblong hole 314, the auxiliary fixing post 323 passes through the auxiliary oblong hole 315 to move, and the locking piece 313 is prevented from shaking, so that the locking piece 313 can be accurately meshed with the adjusting gear 34, or the locking piece 313 is disengaged.
The casing 30 in this embodiment is provided with a through hole, the hinge shaft 331 is of a hollow structure, and the casing 30 can be rotatably connected to one end of the hinge shaft 331 through a screw or a fixing cap.
Preferably, the housing 30 is provided with a third limiting groove 303, one side of the adjusting gear 34 is provided with a pulling piece 342, the pulling piece 342 is in a folded angle structure, and one end of the pulling piece 342 is penetrated in the third limiting groove 303. When the rotating branch 32 rotates relative to the fixing portion 33, the shifting piece 342 moves in the range of the third limiting groove 303, and the third limiting groove 303 can further limit the moving range of the adjusting gear 34, so that the shifting piece 342 is prevented from exceeding the rotatable range of the adjusting gear 34.
Further preferably, the third limiting groove 303 is divided into two sections, the pulling piece 342 of the two adjusting gears 34 is respectively penetrated in the two sections of the third limiting groove 303, wherein the central angle corresponding to one section of the third limiting groove 303 is 90 degrees, the range for limiting the forward rotation of the ankle joint is 0-90 degrees, the central angle corresponding to the other section of the third limiting groove 303 is 30 degrees, and the range for limiting the backward rotation of the ankle joint is 0-30 degrees. In this case, the adjustment chuck 3 has directionality, and the position thereof needs to be noted at the time of installation. The housing 30 may also be provided with an angle scale to facilitate reading of the angle of rotation. To facilitate the user to move the adjusting gear 34, preferably, one end of the dial 342 extending out of the third limiting groove 303 is sleeved with a dial cap 343.
In the mounting process, as shown in fig. 3 and 6, the rotating support bar 32 is embedded in the first joint part 10 and is relatively fixed with the first joint part 10, the through hole for penetrating the hinge shaft 331 on the rotating support bar 32 is overlapped with the first hinge hole 11, and the first limiting groove 321 is overlapped with the first limiting hole 12. The hinge shaft 331 of the fixing portion 33 is disposed in the second hinge hole 21, the limiting post 332 is disposed in the second limiting hole 22, and the fixing portion 33 and the second joint portion 20 are fixed relatively. The first joint part 10 and the second joint part 20 partially overlap. The fixing portion 33 is relatively fixed to the second joint portion 20, and the hinge shaft 331 and the limiting post 332 on the fixing portion 33 sequentially pass through the second arc-shaped plate 2, the first arc-shaped plate 1, the rotating support bar 32 and the adjusting gear 34, wherein the hinge shaft 331 sequentially passes through the first hinge hole and then passes through the rotating support bar 32 and the through holes of the two adjusting gears 34, and the limiting post 332 sequentially passes through the first limiting groove 321 and the two second limiting grooves 341 after passing through the first limiting hole 12.
Of course, in other embodiments, the rotating branch 32 may be part of the first joint part 10, i.e. the rotating branch 32 is of unitary construction with the first joint part 10. The fixing portion 33 may be a part of the second joint portion 20, that is, the fixing portion 33 and the second joint portion 20 are of a unitary structure. Preferably, in order to enhance the comfort of the user, the side of the fixing portion 33 contacting the user may be wrapped with a cushioning material such as sponge.
It should be noted that, in this embodiment, two adjusting chucks 3 are included and symmetrically arranged, and in the two adjusting chucks 3, the third limiting groove 303 where the pulling piece 342 is located is symmetrically arranged, so that the two adjusting chucks 3 can be mutually matched, and the support is adjusted in the same direction.
When the adjusting chuck 3 is in the initial state, that is, when the user wears the achilles tendon boot brace and keeps upright, the limiting post 332 is located in the middle of the first limiting groove 321, the second limiting grooves 341 of the two adjusting gears 34 are symmetrically arranged, the overlapping range of the two adjusting gears 34 and the first limiting groove 321 is minimum, and the limiting post 332 is located at one end of the two second limiting grooves 341.
In this embodiment, in order to facilitate the user to adjust the angle by himself, the limiting post 332 is located at the lower end of the first limiting slot 321, and of course, the limiting post 332 may also be adjusted, the limiting post 332 is disposed at the upper end of the first limiting slot 321, and the corresponding second limiting hole 22 is located right above the second hinge hole 21.
Since the initial state limiting post 332 is located in the middle of the first limiting groove 321, when the relative position of the first arc plate 1 and the foot fixing device is adjusted, the movement range of the foot fixing device in the forward and backward directions relative to the first arc plate 1 can be limited.
Of course, in other embodiments, the position and the movable range of the first limiting groove 321 may be adjusted according to actual needs.
As shown in fig. 8 to 10, in the present embodiment, the front end of the adjustable boot pad 61 is rotatably connected to the sole 4 of the achilles tendon boot brace. The height adjusting means includes a support 62 and an adjusting member, one end of the support 62 is hinged to the rear end of the adjustable boot pad 61, and the other end is hinged to one end of the adjusting member. The adjusting piece is arranged on the boot sole 4 and can move relative to the boot sole 4, the moving adjusting piece can drive the supporting piece 62 to rotate, the supporting piece 62 drives the adjustable boot pad 61 to rotate relative to the boot sole 4, and the height of the rear end of the adjustable boot pad 61 is changed.
Preferably, the foot fixing device further includes a toe fixing part 64, the toe fixing part 64 being fixed to the front end of the sole 4, and the front end of the adjustable boot pad 61 being rotatably coupled to the rear end of the toe fixing part 64. The support 62 rotates the adjustable boot pad 61 about the toe anchor 64 as the adjustable boot pad 61 rotates relative to the sole 4. To avoid hanging in the middle of the user's sole, the length of the adjustable boot pad 61 is at least greater than half the length of the sole 4.
Further preferably, the toe fixing portion 64 has a certain height, and the height of the toe fixing portion 64 is the same as the lowest height of the height adjusting device, so that the heel position of the user is always not lower than the toe position, and the achilles tendon is prevented from being pulled. The upper surfaces of the toe fixing part 64 and the adjustable sole 61 are both plane, and the joint of the toe fixing part 64 and the adjustable sole 61 has no drop, so that the suspended part or the middle sharp corner cannot appear on the foot of a user, and the comfort level is improved during use. The toe anchor 64 may be a hollow structure that reduces the weight of the achilles tendon boot brace. Cushioning materials such as sponges may also be added to the toe anchor 64 and the adjustable sole 61 to improve the comfort of the user.
As shown in fig. 8 and 10, preferably, the height adjusting apparatus further includes a pad 621, a hinge seat is provided at the bottom of the pad 621, one end of the support 62 is hinged to the pad 621 through the hinge seat, and the pad 621 is fixed under the adjustable boot pad 61. Further preferably, the area of the pad 621 is not less than half of the area of the adjustable pad 61, the pad 621 is fixed under the adjustable boot pad 61, the support 62 is hinged to the rear end of the pad 621, and the pad 621 is provided to make the stress of the adjustable boot sole 61 more uniform, thereby avoiding discomfort to the foot of the user.
It is further preferred that the support 62 comprises two support bars arranged in parallel at a distance from the adjacent adjustable boot pad 61 in order to equalize the forces on both the inner and outer sides of the sole of the user's foot.
There are many forms of adjusting members, as shown in fig. 8, and in this embodiment, the adjusting member includes a U-shaped frame 631 and a push rod 632, and the two support rods are hinged to two open ends of the U-shaped frame 631, respectively, and the push rod 632 is disposed at the other end of the U-shaped frame 631. The U-shaped frame 631 is mounted on the sole 4 by a fixing member 634, is parallel to the sole 4, and can move relative to the sole 4 under the drive of the push rod 632. Obviously, in other embodiments, other ways of mounting the adjustment member may be used.
Preferably, in order to conveniently adjust the position of the push rod 632, one end of the push rod 632 passes through the boot upper 5 of the achilles tendon boot support, the tail end of the push rod 632 is sleeved with a threaded cap 633, the threaded cap 633 is in threaded fit with the push rod 632, the threaded cap 633 is rotated, and the push rod 632 moves relative to the boot upper 5 to drive the U-shaped frame 631 to move. As shown in fig. 2, the screw cap 633 is disposed right behind the achilles support in the present embodiment, which does not interfere with the normal walking of the user, and is convenient to adjust, and the user can adjust a proper height by himself or herself after wearing the achilles support without removing the achilles support.
In order to make a more visual judgment of the position of the adjustable shoe insert 61, the side of the adjustable shoe insert 61 is provided with an indication column 611 for indicating the elevation. Preferably, as shown in fig. 2, the indicating post 611 is provided at the rear end of the adjustable boot pad perpendicular to the adjustment member, and when installed, the indicating post 611 extends outwardly of the upper 5 of the achilles tendon boot brace without interfering with the movement of the adjustment member. Further preferably, the boot upper 5 is also provided with scale values. In use, the elevation of the heel portion of the achilles tendon boot brace is determined by the indicator post 611.
When the heel-toe boot is mounted, as shown in fig. 1, 2 and 8, the height adjusting device is mounted behind the sole 4 of the heel-toe boot brace, the push rod 632 extends backward and is arranged on the boot upper 5 in a penetrating manner, the toe fixing part 64 is mounted in front of the sole 4, the adjustable boot pad 61 is positioned above the height adjusting device, the indicating column 611 extends to two sides and is arranged in a groove of the boot upper 5 in a penetrating manner, and a scale value is arranged on one side of the groove.
When the utility model is used, the second arc plate 2 and the first arc plate 1 are respectively fixed on the front side and the back side of the lower leg of a user by using the binding bands, and the positions of the first arc plate 1 and the second arc plate 2 and the tightness of the binding bands are adjusted according to the requirements.
The limit switch 311 of the adjusting chuck 3 is moved upwards, the locking plate 313 is disengaged from the adjusting gear 34, the adjusting gear 34 is rotated by stirring the stirring piece 342, the overlapping part of the second limit groove 341 and the first limit groove 321 is adjusted, and then the movable range of the rotating support strip 32 relative to the fixed part 33 is flexibly adjusted, namely the joint bending and stretching movable range of the support is adjusted. After the adjustment, the limit switch 311 is moved downwards, the locking plate 313 is meshed with the adjusting gear 34, the adjusting gear 34 is locked, the adjusting gear 34 is prevented from rotating, the convex column 312 and the clamping piece 302 are matched with each other, and the locking plate 313 is prevented from bouncing up by itself.
The heel height of the achilles tendon boot brace is determined according to the scale values on the indication post 611 and the boot upper 5, and the heel height of the achilles tendon boot brace can be adjusted by rotating the threaded cap 633 at the tail end of the push rod 632, so that the achilles tendon boot brace meets the needs of users.
In summary, this embodiment provides an achilles tendon boots brace, adopts arc first arc 1 and second arc 2 as the fixed plate, matches user's shank, need not the gypsum to fix, helps the motion function to resume, and the gas permeability is good, the medical science inspection of being convenient for. The heel support can flexibly adjust the height of the heel of the achilles tendon boot support and the range of ankle bending and stretching movement according to the needs of a user, the user does not need to add a foot support or a heel, the adjustment mode is simple, the adjustment range is flexible, and the rehabilitation of the user is facilitated.
The embodiment of the application also provides a manufacturing method of the achilles tendon boot brace, which is used for manufacturing the achilles tendon boot brace in a personalized way for a user and comprises the following steps:
s1, acquiring the size and body surface radian data of the parts to be fixed of the lower leg and the foot of the user. Preferably, the data acquisition may be in the form of CT/MRI, as well as 3D scanning.
S2, importing the data in the step S1 into a computer, and repairing the data by utilizing skeleton conventional structure information and 3D model data conversion software, such as Geomagic Wrap.
S3, obtaining data and 3D modeling software by utilizing the step S2, for example, rhino and Unigraphics NX, respectively carrying out structural designs of a first arc-shaped plate, a second arc-shaped plate, a boot upper, a boot bottom and an adjustable boot pad, and obtaining a first arc-shaped plate and a second arc-shaped plate of which the inner arc surfaces are attached to the lower leg of a user and a three-dimensional model of the boot upper, the boot bottom and the adjustable boot pad which are suitable for the foot shape of the user.
S4, printing the three-dimensional model in the step S3 by utilizing a 3D printing technology to obtain a first arc-shaped plate and a second arc-shaped plate, wherein the inner arc-shaped surface of the first arc-shaped plate is attached to the lower leg of a user, and the boot upper, the boot bottom and the adjustable boot pad are suitable for the foot shape of the user;
s5, assembling the first arc-shaped plate, the second arc-shaped plate, the boot upper, the boot sole, the adjustable boot pad, the prefabricated part adjusting chuck and the height adjusting device which are obtained through 3D printing in the step S4, and obtaining the achilles tendon boot support which is manufactured individually for the user. Preferably, the prefabricated parts also include parts made by other methods such as binding bands, binding buckles, etc.
In summary, the present application provides an achilles tendon boot brace, in which the first curved plate 1 and the second curved plate 2 are matched with the lower leg of the user, so as to support the user well. The achilles tendon boot support adopts the adjusting chuck 3 to connect the first arc-shaped plate 1 and the foot fixing device, can limit the ankle joint to bend and stretch in a certain range, and the user can gradually expand the moving range and is convenient to adjust. The limiting structure is arranged in the adjusting chuck 3, so that the locking plate 313 can not automatically spring up after being locked, and can not automatically fall down after being opened, and the operation of a user is facilitated.
The application also provides a manufacturing method of the achilles tendon boot brace, which utilizes the data of the user and the 3D printing technology to manufacture the achilles tendon boot brace, solves the problem that the manufacturing method in the prior art does not consider the personalized difference of the user, and can provide a personalized achilles tendon boot brace for the user. The first arc-shaped plate 1, the second arc-shaped plate 2 and the foot fixing device are matched with a user, can be well attached to the user, provide better support for the user, and improve the comfort level of use.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and are not limiting; although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims (2)

1. An achilles tendon boot brace, characterized in that: the device comprises a first arc-shaped plate, a second arc-shaped plate, a foot fixing device and an adjusting chuck;
the first arc-shaped plate and the second arc-shaped plate are oppositely arranged to form a cavity for placing the lower leg of a user, the inner arc-shaped surface of the first arc-shaped plate is matched with the rear side of the lower leg of the user, and the inner arc-shaped surface of the second arc-shaped plate is matched with the front side of the lower leg of the user; the first arc-shaped plate and the second arc-shaped plate are provided with a plurality of hollowed-out grooves extending along the circumferential direction of the legs of a user, and the hollowed-out grooves are distributed at intervals; the first curved surface of the first curved plate and the second curved surface of the second curved plate surround the leg circumference range of the user to be not less than 1/2 of the circumference of the calf of the user, the edge of the first curved plate is in a ladder shape, the first curved plate and the second curved plate are staggered, and the first curved plate and the second curved plate are connected through a binding belt;
the foot fixing device comprises a boot bottom, a boot upper and an adjustable boot pad, wherein the boot upper surrounds the outer side of the boot bottom, the boot upper is rotatably connected with the first arc-shaped plate through the adjusting chuck, the lower ends of the two sides of the first arc-shaped plate extend downwards to form two first joint parts, the length of each first joint part is not less than one third of the total length of the first arc-shaped plate, the tail ends of the first joint parts are respectively provided with a first hinge hole and a first limit hole, the first limit holes are arc-shaped long holes arranged on one side of each first hinge hole, the middle parts of the arc-shaped long holes are positioned under the first hinge holes, the upper ends of the two sides of the boot upper extend upwards to form two second joint parts, the tail ends of the second joint parts are respectively provided with a second hinge hole and a second limit hole, and the second limit holes are round holes;
the adjustable boot pad is arranged on the boot sole, and a height adjusting device for adjusting the height of the heel is arranged between the adjustable boot pad and the boot sole;
the front end of the adjustable boot pad is rotatably connected with the boot bottom of the achilles tendon boot support;
the height adjusting device comprises a supporting piece and an adjusting piece, one end of the supporting piece is hinged with the rear end of the adjustable boot pad, and the other end of the supporting piece is hinged with one end of the adjusting piece; the adjusting piece is arranged on the boot sole and can move relative to the boot sole; moving the adjusting piece can drive the supporting piece to rotate, and changing the height of the rear end of the adjustable boot pad;
the foot fixing device further comprises a toe fixing part, wherein the toe fixing part is fixed at the front end of the sole, the height of the toe fixing part is the same as the lowest height of the height adjusting device, and the front end of the adjustable boot pad is rotatably connected with the toe fixing part;
the height adjusting device further comprises a base plate, a hinging seat is arranged at the bottom of the base plate, one end of the supporting piece is hinged with the base plate through the hinging seat, the base plate is fixed below the adjustable boot pad, and the area of the base plate is not smaller than half of the area of the adjustable boot pad;
the adjustable boot pad is also provided with an indication column for indicating the lifting height, the indication column is arranged at the rear end of the adjustable boot pad, a groove is arranged at the corresponding position of the boot upper, one side of the groove is provided with a scale value, and the indication column extends outwards from the groove to the boot upper of the achilles tendon boot support;
the foot fixing device is fixed with the foot of a user through a binding belt;
the first arc plate, the second arc plate, the shoe upper, the shoe sole and the adjustable boot pad are customized for a user in a personalized way, so that the inner arc surface of the first arc plate is attached to the rear side of the lower leg of the user, the inner arc surface of the second arc plate is attached to the front side of the lower leg of the user, and the shoe upper and the adjustable boot pad are attached to the foot of the user;
the adjusting chuck comprises a fixed part, a rotating branch, a limiting lock and two adjusting gears;
the fixed part is provided with a hinge shaft, one side of the hinge shaft is provided with a limit column, the rotating branch strip is provided with a first limit groove, the rotating branch strip is rotatably connected with the fixed part through the hinge shaft, and the limit column is arranged in the first limit groove in a penetrating manner;
each adjusting gear is provided with a second limit groove, the adjusting gears are rotatably sleeved on the hinge shaft, and the limit posts penetrate through the second limit grooves;
the limiting lock comprises a locking plate and a limiting switch, one end of the locking plate is provided with a limiting tooth matched with the adjusting gear, the limiting switch can drive the locking plate to move along the radial direction of the adjusting gear, and when the limiting tooth is meshed with the adjusting gear, the limiting lock prevents the adjusting gear from rotating; the thickness of the limiting teeth is equal to the thickness of the two adjusting gears;
the rotating support strip is relatively fixed with the first joint part, a through hole used for penetrating the hinge shaft on the rotating support strip is overlapped with the first hinge hole, and the first limit groove is overlapped with the first limit hole; the hinge shaft of the fixing part is penetrated in the second hinge hole, and the limiting column is penetrated in the second limiting hole; the first joint part and the second joint part are partially overlapped; the fixing part and the second joint part are relatively fixed, and the hinge shaft and the limiting column on the fixing part sequentially pass through the second arc-shaped plate, the first arc-shaped plate, the rotating support bar and the adjusting gear, wherein the hinge shaft sequentially passes through the rotating support bar and the through holes of the two adjusting gears after passing through the first hinge hole, and the limiting column sequentially passes through the first limiting groove and the two second limiting grooves after passing through the first limiting hole;
the adjusting chuck further comprises a shell, the shell is arranged on the outer sides of the adjusting gear and the locking plate, a groove and at least two clamping pieces are arranged on the shell, the limit switch is provided with at least one convex column, the limit switch passes through the groove and is fixedly connected with the locking plate, and the convex column is arranged between the two clamping pieces or between the clamping pieces and the shell;
the clamping pieces are arranged in the grooves, the two clamping pieces are arranged oppositely, the limit switch is provided with one convex column, and the convex column is arranged between the two clamping pieces.
2. A method of manufacturing an achilles tendon boot brace for personalizing the achilles tendon boot brace as claimed in claim 1 to a user, comprising:
s1, acquiring the size and body surface radian data of a part to be fixed of the lower leg and the foot of a user;
s2, importing the data in the step S1 into a computer, and repairing the data by utilizing the skeleton conventional structure information and 3D model data conversion software;
s3, respectively carrying out structural design of a first arc-shaped plate, a second arc-shaped plate, a boot upper, a boot sole and an adjustable boot pad by utilizing the data obtained in the step S2 and 3D modeling software to obtain a first arc-shaped plate and a second arc-shaped plate with inner arc surfaces attached to the lower leg of a user, and a three-dimensional model of the boot upper, the boot sole and the adjustable boot pad, which are suitable for the foot shape of the user;
s4, printing the three-dimensional model in the step S3 by utilizing a 3D printing technology to obtain a first arc-shaped plate and a second arc-shaped plate, wherein the inner arc-shaped surface of the first arc-shaped plate is attached to the lower leg of a user, and the boot upper, the boot bottom and the adjustable boot pad are suitable for the foot shape of the user;
s5, assembling the first arc-shaped plate, the second arc-shaped plate, the boot upper, the boot sole, the adjustable boot pad, the prefabricated part adjusting chuck and the height adjusting device which are obtained through 3D printing in the step S4, and obtaining the achilles tendon boot support which is manufactured individually for the user.
CN201810271462.5A 2018-03-29 2018-03-29 Achilles tendon boot support and manufacturing method thereof Active CN108354701B (en)

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CN109044585B (en) * 2018-08-28 2020-11-24 黄鑫 Lightweight achilles tendon boots
CN109806128A (en) * 2019-02-27 2019-05-28 常州市第二人民医院 A kind of Medical joint rehabilitation physical therapy device based on ergonomics
CN109925108B (en) * 2019-03-12 2022-02-01 山东大学齐鲁医院(青岛) Foot fixing device and method for traumatic orthopedic surgery
CN111202615A (en) * 2020-03-26 2020-05-29 沈阳促晋科技有限公司 Achilles tendon rupture recovery training boot and training method thereof
CN111920655B (en) * 2020-09-27 2021-03-02 上海傅利叶智能科技有限公司 Ankle joint device with adjustable initial angle of foot support

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