CN212913498U - Knee joint orthopedic brace - Google Patents
Knee joint orthopedic brace Download PDFInfo
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- CN212913498U CN212913498U CN202021487107.0U CN202021487107U CN212913498U CN 212913498 U CN212913498 U CN 212913498U CN 202021487107 U CN202021487107 U CN 202021487107U CN 212913498 U CN212913498 U CN 212913498U
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Abstract
The utility model provides a knee joint orthopedic brace, which comprises a thigh supporting piece, a shank supporting piece and two middle connecting pieces; the two middle connecting pieces are arranged on two sides of the thigh supporting piece and the shank supporting piece; the middle connecting piece comprises an upper connecting part, a middle connecting part and a lower connecting part which are sequentially connected, the upper connecting part comprises a fixed plate, a sliding plate and a fixed unit, the sliding plate is sleeved with the fixed plate in a sliding mode, the fixed unit is used for fixing the fixed plate and the sliding plate, the sliding plate is connected with the thigh supporting piece, the fixed plate is connected with the middle connecting part, and the lower connecting part is connected with the shank supporting piece. The length of the two sides of the knee joint orthopedic brace is easy to adjust, so that a patient can conveniently wear the knee joint orthopedic brace by himself and adjust the orthopedic brace.
Description
Technical Field
The utility model relates to the field of medical rehabilitation instruments, in particular to a knee joint orthopedic brace.
Background
Knee osteoarthritis is one of the most common diseases in orthopedics, mainly manifested by knee cartilage degeneration and hyperosteogeny, and has a high incidence rate in middle-aged and elderly people, and the living standard of patients is seriously affected. In the course of the disease, imbalance of lower limb force lines is the main cause of knee osteoarthritis, when the disease progresses to the terminal stage, the disease can only be treated through knee osteotomy or knee replacement, but the surgical treatment has the risks of secondary prosthesis replacement for younger patients besides high cost and long postoperative recovery period. Therefore, the use of conservative treatment to slow the progression of disease becomes one of the important therapeutic approaches for treating knee osteoarthritis. The knee joint orthopedic brace can redistribute the stress conditions of the inner side and the outer side of the knee joint by applying different orthopedic forces to the two sides of the knee joint, thereby correcting the lower limb force line, lightening the load of the knee joint compartment at the affected side and lightening the pain under the condition of not reducing the comfort level.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a knee joint orthopedic brace solves the problem of two side regulation difficulties, makes the patient conveniently wear by oneself and adjusts orthopedic brace.
To achieve the above and other related objects, the present invention provides an orthopedic knee brace, comprising a thigh support, a calf support, and two intermediate connectors;
the two middle connecting pieces are arranged on two sides of the thigh supporting piece and the shank supporting piece;
the middle connecting piece comprises an upper connecting part, a middle connecting part and a lower connecting part which are sequentially connected, the upper connecting part comprises a fixed plate, a sliding plate and a fixed unit, the sliding plate is in sliding sleeve joint with the fixed plate, the fixed unit is used for fixing the fixed plate and the sliding plate, the sliding plate is connected with the thigh supporting piece, the fixed plate is connected with the middle connecting part, and the lower connecting part is connected with the shank supporting piece.
Preferably, the fixing plate comprises a first fixing plate unit, a connecting shaft and a second fixing plate unit which are connected in sequence from the far middle connecting end to the near middle connecting end; the slide plate comprises a first slide plate unit proximal to the intermediate connector end and a second slide plate unit distal to the intermediate connector end; the first sliding plate unit is slidably sleeved with the first fixed plate unit, and the second sliding plate unit is connected with the thigh supporting part.
More preferably, at least one of the following technical characteristics is also included:
1) the fixed plate first unit is provided with a plurality of fixed plate first through holes, the sliding plate first unit is provided with sliding plate first through holes matched with the fixed plate first through holes, and the fixed unit realizes the connection of the fixed plate and the sliding plate through the fixed plate first through holes and the sliding plate first through holes;
2) the thigh support is provided with a plurality of thigh support through holes matched with the sliding plate second through holes, and the sliding plate fixing units realize the connection of the sliding plate second units and the thigh support through the sliding plate second through holes and the thigh support through holes.
Preferably, at least one of the following technical features is also included:
1) the thigh supporting piece and the shank supporting piece are both of U-shaped opening structures, and the opening direction faces to the front side of the leg;
2) the thigh supporting part is provided with a thigh supporting surface, and the thigh supporting surface is attached to the outer surface of the thigh of the patient; the shank support member is provided with a shank support surface which is attached to the outer surface of the shank of the patient.
More preferably, a hollow-out thigh support portion is provided on the thigh support, and a hollow-out calf support portion is provided on the calf support.
Preferably, the middle connecting portion includes the biax chassis, be used for right go up connecting portion rotation range and carry out spacing first spacing buckle and be used for right lower connecting portion rotation range carries out spacing second spacing buckle, the biax chassis is equipped with and holds go up connecting portion with the rotatory cavity that holds of lower connecting portion, the biax chassis with go up connecting portion warp first spacing buckle rotates to be connected, the biax chassis with lower connecting portion warp second spacing buckle rotates to be connected.
More preferably, at least one of the following technical characteristics is also included:
1) the double-shaft chassis comprises a first layer plate, a second layer plate and a connecting wall for limiting, wherein the connecting wall is arranged on the same side of the first layer plate and the second layer plate, and the first layer plate is connected with the second layer plate through the connecting wall;
2) the rotation range of the upper connecting part is 0-80 degrees;
3) the rotation range of the lower connecting part is 0-90 degrees.
More preferably, at least one of the following technical characteristics is also included:
1) the first limiting buckle comprises a first connecting stud, a first limiting connecting unit and a first limiting bulge, one end of the first limiting connecting unit is connected with the first connecting stud, and the other end of the first limiting connecting unit is connected with the first limiting bulge; the double-shaft chassis is provided with a first connecting through hole corresponding to the first connecting stud, the first connecting stud penetrates through the first connecting through hole, the double-shaft chassis is provided with a plurality of first limiting holes around the first connecting through hole, and the first limiting bulge penetrates through the first limiting holes;
2) the second limiting buckle comprises a second connecting stud, a second limiting connecting unit and a second limiting bulge, one end of the second limiting connecting unit is connected with the second connecting stud, and the other end of the second limiting connecting unit is connected with the second limiting bulge; the double-shaft chassis is provided with a second connecting through hole corresponding to the second connecting stud, the second connecting stud penetrates through the second connecting through hole, the double-shaft chassis is provided with a plurality of second limiting holes around the second connecting through hole, and the second limiting bulges penetrate through the second limiting holes.
Further more preferably, at least one of the following technical features is also included:
11) in the characteristic 1), the fixing plate is provided with a fixing plate second through hole corresponding to the first connecting through hole, the first connecting stud penetrates through the fixing plate second through hole, the fixing plate is provided with a fixing plate notch providing a first limiting protrusion moving space, and the fixing plate notch is provided with a fixing plate limiting blocking wall used for limiting the moving range of the first limiting protrusion;
12) in the characteristic 1), the first connecting stud is movably riveted with the double-shaft chassis;
13) in the characteristic 1), a plurality of first anti-abrasion gaskets are arranged in the accommodating cavity and on the first connecting stud near the double-shaft chassis;
21) in the characteristic 2), the lower connecting part is provided with a first connecting through hole of the lower connecting part corresponding to the second connecting through hole, the second connecting stud penetrates through the second connecting through hole, the lower connecting part is provided with a lower connecting part notch providing a moving space of the second limiting bulge, and the lower connecting part notch is provided with a lower connecting part limiting blocking wall used for limiting the moving range of the second limiting bulge;
22) in the characteristic 2), the second connecting stud is movably riveted with the double-shaft chassis;
23) in the characteristic 2), a plurality of second anti-abrasion gaskets are arranged on the second connecting stud near-double-shaft chassis in the accommodating cavity.
Preferably, the lower connecting part is provided with a plurality of second connecting through holes of the lower connecting part and a fixing unit of the lower connecting part, the shank support part is provided with a through hole of the shank support part matched with the second connecting through holes of the lower connecting part, and the lower connecting part fixing unit is connected with the shank support part through the second connecting through holes of the lower connecting part and the through hole of the shank support part.
The technical scheme has at least one of the following beneficial effects:
1) after patients with knee osteoarthritis, knee eversion and other diseases wear the knee orthopedic brace, the knee orthopedic brace can relieve the pressure of the knee joint compartment on the narrower side, delay the further development of the disease condition of the affected side compartment and delay or avoid surgical treatment.
2) After the knee joint orthopedic brace is worn, the pain caused by uneven pressure distribution inside and outside the knee joint is reduced, the knee joint is relieved by the knee joint orthopedic brace, and the lower limb force line is corrected, so that the life quality of a patient is improved.
3) The knee joint orthopedic brace has a more convenient orthopedic adjusting device, the length of the two sides is easy to adjust, a patient can wear and adjust the knee joint orthopedic brace by himself or herself conveniently, adjusting time is shortened for the patient, compliance of the patient is improved, and a treatment effect is improved.
4) Thigh support piece and shank support piece are U-shaped opening structure and opening direction towards the leg front side in this orthopedic brace of knee joint, improve the comfort level that the patient wore, reduce the orthopedic brace slippage frequency of knee joint.
Drawings
Fig. 1 is a schematic structural view of the knee joint orthopedic brace of the present invention.
Fig. 2 is a schematic structural view of a thigh support member in the knee joint orthopedic brace of the present invention.
Fig. 3 is a schematic structural view of a calf support in an orthopedic knee brace according to the present invention.
Fig. 4 is a schematic structural view of the middle connecting member of the orthopedic knee brace of the present invention.
Fig. 5 is a schematic structural view of the upper connecting portion of the knee joint orthopedic brace of the present invention.
Fig. 6 is a schematic structural view of a fixing plate in the knee joint orthopedic brace of the present invention.
Fig. 7 is a schematic structural view of the sliding plate in the knee joint orthopedic brace of the present invention.
Fig. 8 is a schematic structural view of the lower connecting portion of the orthopedic knee brace of the present invention.
Fig. 9 is a schematic structural view of a dual-axis chassis in the knee joint orthopedic brace of the present invention.
Fig. 10 is a schematic structural diagram of the first limit buckle and the second limit buckle in the orthopedic knee joint brace of the present invention.
Reference numerals
1 thigh support
11 thigh support through hole
12 thigh support hollowed-out
2 shank support
21 shank support hollow out
22 calf support through-hole
3 intermediate connecting piece
31 upper connecting part
311 fixing plate
3111 fixing plate first unit
31111 fixing plate first through hole
3112 connecting shaft
3113 fixing plate second unit
3114 second through hole of fixing plate
3115 fixing plate notch
3116 spacing wall of fixing plate
312 sliding plate
3121 sliding plate first unit
31211 sliding plate first through hole
3122 sliding plate second unit
31221 sliding plate second through hole
31222 sliding plate fixing unit
313 fixing unit
32 intermediate connection part
321 double-shaft chassis
3211 accommodating cavity
3212 first laminate
3213 second laminate
3214 connecting wall
3215 first connecting via
3216 first limit hole
3217 second connecting via
3218 second limit hole
322 first limit buckle
3221 first connecting stud
3222 first limit connecting unit
3223 the first limit bump
3224A first anti-wear pad
323 second limit buckle
3231 second connecting stud
3232 second Limit connection Unit
3233 second limiting bump
3234 second anti-wear gasket
33 lower connecting part
331 first connecting through hole of lower connecting part
332 lower connecting part notch
333 lower connecting part limiting retaining wall
334 second connecting through hole of lower connecting part
335 lower connecting part fixing unit
Detailed Description
In the description of the present invention, it should be noted that the structure, ratio, size, etc. shown in the attached drawings of the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by the people familiar with the technology, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention does not have the substantial technical significance, and the modification of any structure, the change of the ratio relationship or the adjustment of the size should still fall within the range that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that can be achieved. While the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like refer to orientations or positional relationships illustrated in the drawings, which are used for convenience in describing the invention and to simplify the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
An orthopaedic knee brace, as shown in figures 1, 4 and 5, comprises a thigh support 1, a calf support 2 and two intermediate links 3;
the two middle connecting pieces 3 are arranged at two sides of the thigh supporting piece 1 and the crus supporting piece 2;
the middle connecting piece 3 comprises an upper connecting part 31, a middle connecting part 32 and a lower connecting part 33 which are sequentially connected, the upper connecting part 31 comprises a fixed plate 311, a sliding plate 312 and a fixed unit 313, the sliding plate 312 is in sliding sleeve connection with the fixed plate 311, the fixed unit 313 is used for fixing the fixed plate 311 and the sliding plate 312, the sliding plate 312 is connected with the thigh supporting piece 1, the fixed plate 311 is connected with the middle connecting part 32, and the lower connecting part 33 is connected with the shank supporting piece 2.
The upper connecting part 31 in the knee joint orthopedic brace comprises a fixing plate 311, a sliding plate 312 and a fixing unit 313, the sliding plate 312 is in sliding sleeve joint with the fixing plate 311, the fixing unit 313 is used for fixing the fixing plate 311 and the sliding plate 312, and a patient can conveniently and independently adjust the knee joint orthopedic brace by connecting the sliding plate 312 with the fixing plate 311, so that the adjusting time is shortened, the compliance of the patient is increased, and the treatment effect is improved. By means of the connection of the sliding plate 312 and the fixing plate 311, when the knee joint orthopedic brace is used, the length of the side (affected side) with larger force of the patient is adjusted to be 1-2cm to apply orthopedic force, so that the force applied to the affected side is reduced. After patients with knee osteoarthritis, knee eversion and other diseases wear the knee orthopedic brace, the knee orthopedic brace can relieve the pressure of the knee joint compartment on the narrower side, delay the further development of the disease condition of the affected side compartment and delay or avoid surgical treatment. After the knee joint orthopedic brace is worn, the pain caused by uneven pressure distribution inside and outside the knee joint is reduced, the knee joint is relieved through the orthopedic brace, and the lower limb force line is corrected, so that the life quality of a patient is improved.
In a preferred embodiment, as shown in fig. 6 and 7, the fixing plate 311 includes a fixing plate first unit 3111, a connecting shaft 3112 and a fixing plate second unit 3113 connected in sequence from the distal intermediate connecting end to the proximal intermediate connecting end; the sliding plate 312 includes a sliding plate first unit 3121 near the middle link end and a sliding plate second unit 3122 far from the middle link end; the sliding plate first unit 3121 is slidably coupled to the fixed plate first unit 3111, and the sliding plate second unit 3122 is coupled to the thigh support 1. The fixing plate is divided into a first fixing plate unit 3111 and a second fixing plate unit 3113, which are fixed by a connecting shaft 3112, so that the knee joint orthopedic brace can be deformed to a certain extent in practical application. The angle between the first unit 3111 and the second unit 3113 is varied within a small range, and can be controlled within ± 5 °.
In a preferred embodiment, as shown in fig. 6 and 7, the fixed plate first unit 3111 is provided with a plurality of fixed plate first through holes 31111, the sliding plate first unit 3121 is provided with sliding plate first through holes 31211 matched with the fixed plate first through holes 31111, and the fixed unit 313 achieves the connection of the fixed plate 311 and the sliding plate 312 through the fixed plate first through holes 31111 and the sliding plate first through holes 31211. The fixing unit 313 may be a magnetic latch that simultaneously penetrates the fixing plate first through-hole 31111 and the sliding plate first through-hole 31211 and is magnetically attracted, thereby fixing the fixing plate 311 and the sliding plate 312 as one body and simultaneously performing a function of adjusting a proper length.
In a preferred embodiment, as shown in fig. 7, 1 and 2, the sliding plate second unit 3122 is provided with a plurality of sliding plate second through holes 31221 and a plurality of sliding plate fixing units 31222, the thigh support 1 is provided with a thigh support through hole 11 matching with the sliding plate second through holes 31221, and the sliding plate fixing unit 31222 connects the sliding plate second unit 3122 and the thigh support 1 through the sliding plate second through holes 31221 and the thigh support through hole 11.
In a preferred embodiment, as shown in fig. 1, 2 and 3, the thigh support 1 and the calf support 2 are both of U-shaped open configuration with the opening direction facing the front side of the leg.
In a preferred embodiment, the thigh support 1 is provided with a thigh support surface, which is in abutment with the outer surface of a patient's thigh; the shank support part 2 is provided with a shank support surface which is attached to the outer surface of the shank of the patient.
Thigh support 1 and shank support 2 can be through CT and body surface scanning data to patient's femoral head to ankle joint take the mould, and the manufacturing is printed through 3D after the design to bandage that passes support is fixed in patient's thigh and shank department. The individual correction of patients with knee joint osteoarthritis, knee joint varus, valgus deformity and the like is realized through the thigh supporting piece and the crus supporting piece, the correction brace is attached to the lower limbs of the patients in an individual mode, and the comfort degree and the accuracy of applying correction force during wearing are improved. Thigh support 1 and shank support 2 are U-shaped opening structure and the opening direction is towards the leg front side, improve the comfort level that the patient wore, reduce orthopedic ware slippage frequency.
In a preferred embodiment, as shown in fig. 2 and 3, a thigh support hollow 12 is provided on the thigh support 1, and a calf support hollow 21 is provided on the calf support 2. The thigh support hollowed-out portions 12 and the calf support hollowed-out portions 21 increase the breathability of the patient when wearing the garment, improving comfort.
In a preferred embodiment, as shown in fig. 1 and 9, the intermediate connecting portion 32 includes a dual-axis chassis 321, a first limit buckle 322 for limiting the rotation range of the upper connecting portion 31, and a second limit buckle 323 for limiting the rotation range of the lower connecting portion 33, the dual-axis chassis 321 is provided with a receiving cavity 3211 for receiving the rotation of the upper connecting portion 31 and the lower connecting portion 33, the dual-axis chassis 321 is rotatably connected to the upper connecting portion 31 via the first limit buckle 322, and the dual-axis chassis 321 is rotatably connected to the lower connecting portion 33 via the second limit buckle 323. The double-shaft chassis 321 is rotatably connected with the upper connecting part 31 through a first limiting buckle 322, and the rotating range of the upper connecting part 31 is adjusted; the biaxial chassis 321 is rotatably connected with the lower connecting part 33 through a second limit buckle 323, and the rotating range of the lower connecting part 33 is adjusted.
In a preferred embodiment, the biaxial chassis 321 includes a first layer plate 3212, a second layer plate 3213 and a connecting wall 3214 for limiting, the connecting wall 3214 is disposed on the same side of the first layer plate 3212 and the second layer plate 3213, and the first layer plate 3212 is connected to the second layer plate 3213 through the connecting wall 3214. This design restricts the rotation of the upper connecting portion 31 and the lower connecting portion 33 within the accommodation cavity 3211 by the connecting wall 3214 for limiting.
In a preferred embodiment, the upper connecting portion 31 has a rotation range of 0 ° to 80 °. The knee joint is limited from over-stretching and over-bending, the risk of injury is reduced, the maximum moving range is given to the knee joint, the basic and advanced sports requirements are met, and the training can be carried out while the orthosis is worn. The rotation range is the angle range of thigh retroflexion. A plurality of first limiting holes 3216 may be provided, as shown in fig. 1, 4 first limiting holes 3216 are provided, when the first limiting protrusion 3223 penetrates through the first limiting hole 3216, the rotation range of the upper connecting portion 31 is 0 ° to 50 °, when the first limiting protrusion 3223 penetrates through the second first limiting hole 3216, the rotation range of the upper connecting portion 31 is 0 ° to 60 °, and so on.
In a preferred embodiment, the lower connecting portion 33 is rotated in a range of 0 ° to 90 °. The knee joint is limited from over-stretching and over-bending, the risk of injury is reduced, the maximum moving range is given to the knee joint, the basic and advanced sports requirements are met, and the training can be carried out while the orthosis is worn. The rotation range is the angle range of the shank retroflexion. A plurality of second limiting holes 3218 may be provided, as shown in fig. 1, 10 second limiting holes 3218 are provided, when the second limiting protrusion 3233 penetrates the first second limiting hole 3218, the rotation range of the lower connecting portion 33 is 0 ° to 0 °, when the second limiting protrusion 3233 penetrates the second limiting hole 3218, the rotation range of the lower connecting portion 33 is 0 ° to 10 °, and so on.
In a preferred embodiment, as shown in fig. 10, the first position-limiting buckle 322 includes a first connecting stud 3221, a first position-limiting connecting unit 3222, and a first position-limiting protrusion 3223, wherein one end of the first position-limiting connecting unit 3222 is connected to the first connecting stud 3221, and the other end is connected to the first position-limiting protrusion 3223; the double-shaft chassis 321 is provided with a first connecting through hole 3215 corresponding to the first connecting stud 3221, the first connecting stud 3221 penetrates through the first connecting through hole 3215, the double-shaft chassis 321 is provided with a plurality of first limiting holes 3216 around the first connecting through hole 3215, and the first limiting protrusion 3223 penetrates through the first limiting hole 3216. The first position-limiting protrusion 3223 is detachably connected to the first position-limiting connection unit 3222, so that the rotation range of the upper connection portion 31 can be adjusted.
In a preferred embodiment, the fixing plate 311 has a second through hole 3114 corresponding to the first through hole 3215, the first connecting stud 3221 penetrates the second through hole 3114 of the fixing plate, the fixing plate 311 has a fixing plate notch 3115 providing a moving space for the first position-limiting protrusion 3223, and the fixing plate notch 3115 has a fixing plate position-limiting wall 3116 limiting the moving range of the first position-limiting protrusion 3223.
In a preferred embodiment, the first connecting stud 3221 is connected to the biaxial chassis 321 by a movable rivet joint.
In a preferred embodiment, a plurality of first anti-wear pads 3224 are disposed on the first connecting stud 3221 near the biaxial base 321 in the accommodating cavity 3211.
In a preferred embodiment, as shown in fig. 10, the second limit buckle 323 comprises a second connecting stud 3231, a second limit connecting unit 3232 and a second limit projection 3233, wherein one end of the second limit connecting unit 3232 is connected to the second connecting stud 3231, and the other end is connected to the second limit projection 3233; the double-shaft chassis 321 is provided with a second connecting through hole 3217 corresponding to the second connecting stud 3231, the second connecting stud 3231 penetrates through the second connecting through hole 3217, the double-shaft chassis 321 is provided with a plurality of second limiting holes 3218 around the second connecting through hole 3217, and the second limiting protrusion 3233 penetrates through the second limiting holes 3218. The second limiting protrusion 3233 is detachably connected to the second limiting connection unit 3232, so that the rotation range of the lower connection portion 33 can be adjusted.
In a preferred embodiment, as shown in fig. 8, the lower connection part 33 is provided with a first lower connection through hole 331 corresponding to the second connection through hole 3217, the second connection stud 3231 penetrates the second connection through hole 3217, the lower connection part 33 is provided with a lower connection part notch 332 providing a moving space for the second limiting protrusion 3233, and the lower connection part notch 332 is provided with a lower connection part limiting stopper wall 333 for limiting a moving range of the second limiting protrusion 3233.
In a preferred embodiment, the second connecting stud 3231 is connected to the biaxial chassis 321 by a movable rivet joint.
In a preferred embodiment, a plurality of second anti-wear gaskets 3234 are disposed on the second connecting studs 3231 near the biaxial chassis 321 in the accommodating cavities 3211.
In a preferred embodiment, the lower connecting portion 33 has a plurality of second connecting through holes 334 and fixing units 335, the calf support 2 has a calf support through hole 22 matching with the second connecting through holes 334, and the fixing units 335 connect the lower connecting portion 33 and the calf support 2 via the second connecting through holes 334 and the calf support through holes 22.
The middle connecting piece 3 in the knee joint orthopedic brace is a uniform part and can be assembled in advance for later use, and the thigh supporting piece 1 and the shank supporting piece 2 are assembled with the middle connecting piece 3 after being printed and formed in a 3D mode.
The fixed plate first unit 3111 and the fixed plate second unit 3113 are assembled into a fixed plate 311 through a connecting shaft 3112, the fixed plate 311 and the lower connecting portion 33 are respectively installed in the accommodating cavity 3211 of the dual-axis chassis 321, the first limit buckle 322 and the second limit buckle 323 are installed, the sliding plate first unit 3121 and the fixed plate first unit 3111 are slidably sleeved, the fixed unit 313, such as a magnetic bolt, fixes the fixed unit and the fixed plate second unit 3113, and the assembly of the intermediate connecting member is completed. Taking a model after CT and optical scanning is carried out on a patient, 3D printing is carried out on the thigh support part 1 and the shank support part 2, two middle connecting pieces 3 are taken, the lower connecting parts 33 are respectively fixed on two sides above the shank support part 2, the sliding plate second units 3122 are fixed on two sides below the thigh support part 1, and the knee joint orthopedic brace is completely assembled.
After the patient obtains the knee orthopedic brace, the fixing unit 313, such as a magnetic latch, is removed to adjust the two sides to the shortest, and then the fixing unit 313 is used for fixing. The thigh support 1 and the calf support 2 are worn forward on the lower limb, and the brace for knee joint orthosis is fixed to the lower limb by a strap when the biaxial base 321 is aligned with the knee joint. The affected side fixing unit 313 such as a magnetic latch is removed, the sliding plate 312 and the fixing plate 311 are pulled to move and hold relative to each other, the fixing unit 313 such as a magnetic latch is inserted back into the sliding plate 312 and the fixing plate 311 to be fixed, and then the other side is adjusted in the same way. In a word, the affected side, i.e. the side with large stress, is enlarged, the side with narrow gap of the knee joint is enlarged, and the pain is relieved.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. Knee joint orthopedic brace, characterized by comprising a thigh support (1), a calf support (2) and two intermediate connectors (3);
the two middle connecting pieces (3) are arranged on two sides of the thigh support piece (1) and the shank support piece (2);
the middle connecting piece (3) comprises an upper connecting part (31), a middle connecting part (32) and a lower connecting part (33) which are sequentially connected, the upper connecting part (31) comprises a fixed plate (311), a sliding plate (312) and a fixed unit (313), the sliding plate (312) is in sliding sleeve connection with the fixed plate (311), the fixed unit (313) is used for fixing the fixed plate (311) and the sliding plate (312), the sliding plate (312) is connected with the thigh supporting piece (1), the fixed plate (311) is connected with the middle connecting part (32), and the lower connecting part (33) is connected with the shank supporting piece (2).
2. The knee orthopedic brace of claim 1, characterized in that the fixation plate (311) comprises, connected in sequence from a distal medial connection end to a proximal medial connection end, a first unit of fixation plate (3111), a connection shaft (3112) and a second unit of fixation plate (3113); the sliding plate (312) comprises a sliding plate first unit (3121) proximal to the intermediate connecting end and a sliding plate second unit (3122) distal to the intermediate connecting end; the sliding plate first unit (3121) is slidably coupled to the fixed plate first unit (3111), and the sliding plate second unit (3122) is coupled to the thigh support (1).
3. The orthopedic knee brace of claim 2, further comprising at least one of the following features:
1) the fixed plate first unit (3111) is provided with a plurality of fixed plate first through holes (31111), the sliding plate first unit (3121) is provided with sliding plate first through holes (31211) matching the fixed plate first through holes (31111), and the fixed unit (313) enables connection of the fixed plate (311) and the sliding plate (312) through the fixed plate first through holes (31111) and the sliding plate first through holes (31211);
2) the sliding plate second unit (3122) is provided with a plurality of sliding plate second through holes (31221) and a plurality of sliding plate fixing units (31222), the thigh support (1) is provided with a thigh support through hole (11) matching with the sliding plate second through holes (31221), and the sliding plate fixing unit (31222) realizes the connection of the sliding plate second unit (3122) and the thigh support (1) through the sliding plate second through holes (31221) and the thigh support through holes (11).
4. The orthopedic knee brace of claim 1, further comprising at least one of the following features:
1) the thigh support (1) and the shank support (2) are both of U-shaped opening structures, and the opening direction faces the front side of the leg;
2) the thigh supporting part (1) is provided with a thigh supporting surface, and the thigh supporting surface is attached to the outer surface of a thigh of a patient; the shank support piece (2) is provided with a shank support surface, and the shank support surface is attached to the outer surface of the shank of the patient.
5. The orthopedic knee brace according to claim 4, characterized in that a thigh support cutout (12) is provided in the thigh support (1) and a calf support cutout (21) is provided in the calf support (2).
6. The orthopedic knee brace according to any of claims 1 to 5, characterized in that the intermediate connecting part (32) comprises a biaxial chassis (321), a first limit catch (322) for limiting the rotation range of the upper connecting part (31) and a second limit catch (323) for limiting the rotation range of the lower connecting part (33), the biaxial chassis (321) is provided with a receiving cavity (3211) for receiving the rotation of the upper connecting part (31) and the lower connecting part (33), the biaxial chassis (321) is rotationally connected with the upper connecting part (31) via the first limit catch (322), and the biaxial chassis (321) is rotationally connected with the lower connecting part (33) via the second limit catch (323).
7. The orthopedic knee brace of claim 6, further comprising at least one of the following features:
1) the double-shaft chassis (321) comprises a first laminate (3212), a second laminate (3213) and a connecting wall (3214) for limiting, the connecting wall (3214) is arranged on the same side of the first laminate (3212) and the second laminate (3213), and the first laminate (3212) is connected with the second laminate (3213) through the connecting wall (3214);
2) the rotation range of the upper connecting part (31) is 0-80 degrees;
3) the rotation range of the lower connecting part (33) is 0-90 degrees.
8. The orthopedic knee brace of claim 6, further comprising at least one of the following features:
1) the first limiting buckle (322) comprises a first connecting stud (3221), a first limiting connecting unit (3222) and a first limiting protrusion (3223), one end of the first limiting connecting unit (3222) is connected with the first connecting stud (3221), and the other end of the first limiting connecting unit (3222) is connected with the first limiting protrusion (3223); the double-shaft chassis (321) is provided with a first connecting through hole (3215) corresponding to the first connecting stud (3221), the first connecting stud (3221) penetrates through the first connecting through hole (3215), the double-shaft chassis (321) is provided with a plurality of first limiting holes (3216) around the first connecting through hole (3215), and the first limiting protrusions (3223) penetrate through the first limiting holes (3216);
2) the second limiting buckle (323) comprises a second connecting stud (3231), a second limiting connecting unit (3232) and a second limiting protrusion (3233), one end of the second limiting connecting unit (3232) is connected with the second connecting stud (3231), and the other end of the second limiting connecting unit (3232) is connected with the second limiting protrusion (3233); the double-shaft chassis (321) is provided with a second connecting through hole (3217) corresponding to the second connecting stud (3231), the second connecting stud (3231) penetrates through the second connecting through hole (3217), the double-shaft chassis (321) is provided with a plurality of second limiting holes (3218) around the second connecting through hole (3217), and the second limiting protrusion (3233) penetrates through the second limiting holes (3218).
9. The orthopedic knee brace of claim 8, further comprising at least one of the following features:
11) in the characteristic 1), the fixing plate (311) is provided with a fixing plate second through hole (3114) corresponding to the first connecting through hole (3215), the first connecting stud (3221) penetrates through the fixing plate second through hole (3114), the fixing plate (311) is provided with a fixing plate notch (3115) providing a moving space for the first limiting protrusion (3223), and the fixing plate notch (3115) is provided with a fixing plate limiting blocking wall (3116) for limiting the moving range of the first limiting protrusion (3223);
12) in the characteristic 1), the first connecting stud (3221) and the double-shaft chassis (321) are connected in a movable riveting manner;
13) in the characteristic 1), in the accommodating cavity (3211), a plurality of first anti-abrasion gaskets (3224) are arranged on the first connecting stud (3221) close to the biaxial chassis (321);
21) in the characteristic 2), the lower connecting part (33) is provided with a first lower connecting through hole (331) corresponding to the second connecting through hole (3217), the second connecting stud (3231) penetrates through the second connecting through hole (3217), the lower connecting part (33) is provided with a lower connecting part notch (332) providing a moving space of the second limiting protrusion (3233), and the lower connecting part notch (332) is provided with a lower connecting part limiting blocking wall (333) used for limiting the moving range of the second limiting protrusion (3233);
22) in the characteristic 2), the second connecting stud (3231) is connected with the double-shaft chassis (321) in a movable riveting mode;
23) in the characteristic 2), in the accommodating cavity (3211), a plurality of second anti-abrasion gaskets (3234) are arranged on the second connecting stud (3231) near the double-shaft chassis (321).
10. The orthopedic knee brace according to claim 1, characterized in that the lower link (33) is provided with a plurality of second lower link through holes (334) and lower link fixing units (335), the lower leg support (2) is provided with a lower leg support through hole (22) matching the second lower link through holes (334), and the lower link fixing units (335) enable the connection of the lower link (33) to the lower leg support (2) via the second lower link through holes (334) and the lower leg support through holes (22).
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021487107.0U CN212913498U (en) | 2020-07-24 | 2020-07-24 | Knee joint orthopedic brace |
| PCT/CN2021/108100 WO2022017493A1 (en) | 2020-07-24 | 2021-07-23 | Knee-joint orthopedic brace |
| AU2021104492A AU2021104492A4 (en) | 2020-07-24 | 2021-07-23 | Orthopedic brace for knee joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021487107.0U CN212913498U (en) | 2020-07-24 | 2020-07-24 | Knee joint orthopedic brace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212913498U true CN212913498U (en) | 2021-04-09 |
Family
ID=75332147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021487107.0U Active CN212913498U (en) | 2020-07-24 | 2020-07-24 | Knee joint orthopedic brace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212913498U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022017493A1 (en) * | 2020-07-24 | 2022-01-27 | 上海交通大学医学院附属第九人民医院 | Knee-joint orthopedic brace |
-
2020
- 2020-07-24 CN CN202021487107.0U patent/CN212913498U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022017493A1 (en) * | 2020-07-24 | 2022-01-27 | 上海交通大学医学院附属第九人民医院 | Knee-joint orthopedic brace |
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