CN114176863B - Tibia correction device for treating knee osteoarthritis varus and valgus deformity - Google Patents
Tibia correction device for treating knee osteoarthritis varus and valgus deformity Download PDFInfo
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- CN114176863B CN114176863B CN202111670210.8A CN202111670210A CN114176863B CN 114176863 B CN114176863 B CN 114176863B CN 202111670210 A CN202111670210 A CN 202111670210A CN 114176863 B CN114176863 B CN 114176863B
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- supporting seat
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- seat
- varus
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- 201000008482 osteoarthritis Diseases 0.000 title claims abstract description 22
- 208000003947 Knee Osteoarthritis Diseases 0.000 title claims abstract description 20
- 210000002303 tibia Anatomy 0.000 title claims abstract description 20
- 241001227561 Valgus Species 0.000 title claims abstract description 14
- 241000469816 Varus Species 0.000 title claims abstract description 14
- 238000012937 correction Methods 0.000 title claims abstract description 12
- 230000007246 mechanism Effects 0.000 claims abstract description 40
- 210000003414 extremity Anatomy 0.000 claims abstract description 17
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 238000013459 approach Methods 0.000 claims description 3
- 239000000945 filler Substances 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 4
- 201000010099 disease Diseases 0.000 description 4
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 4
- 210000000629 knee joint Anatomy 0.000 description 4
- 210000000988 bone and bone Anatomy 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000013519 translation Methods 0.000 description 2
- 206010061218 Inflammation Diseases 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000003181 biological factor Substances 0.000 description 1
- 210000000845 cartilage Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000004054 inflammatory process Effects 0.000 description 1
- 210000003127 knee Anatomy 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000000399 orthopedic effect Effects 0.000 description 1
- 230000008506 pathogenesis Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000005180 public health Effects 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 210000000689 upper leg Anatomy 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS 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
- A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
- A61F5/01—Orthopaedic devices, e.g. splints, casts or braces
- A61F5/0102—Orthopaedic devices, e.g. splints, casts or braces specially adapted for correcting deformities of the limbs or for supporting them; Ortheses, e.g. with articulations
- A61F5/0104—Orthopaedic devices, e.g. splints, casts or braces specially adapted for correcting deformities of the limbs or for supporting them; Ortheses, e.g. with articulations without articulation
- A61F5/0106—Orthopaedic devices, e.g. splints, casts or braces specially adapted for correcting deformities of the limbs or for supporting them; Ortheses, e.g. with articulations without articulation for the knees
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
Landscapes
- 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)
Abstract
The application discloses a tibia correcting device for treating knee osteoarthritis varus and valgus deformity, which comprises an upper supporting seat and a lower supporting seat, wherein a limb fixing mechanism is respectively arranged on the upper supporting seat and the lower supporting seat, the upper supporting seat is provided with two pin lugs, the lower supporting seat is connected between the two pin lugs through a pin shaft, a locking adjusting mechanism is arranged at the joint of the upper supporting seat and the lower supporting seat, the locking adjusting mechanism comprises at least one adjusting screw, a turntable, a buffer spring and at least one locking screw, the adjusting screw is arranged on one pin lug and the inner end of the adjusting screw is propped against the lower supporting seat, the locking screw is arranged on the other pin lug, the buffer spring and the turntable are sleeved on the pin shaft, the turntable is attached to the lower supporting seat, the buffer spring is positioned between the turntable and the pin lug connected with the locking screw, a plurality of through holes are formed in the outer end face of the turntable, and the locking screw is propped against the outer end face of the turntable or inserted into the lower supporting seat through the corresponding through holes. The application has convenient use and good correction effect.
Description
Technical Field
The application relates to the technical field of orthopedic medical instruments, in particular to a tibia correction device for treating knee osteoarthritis varus and valgus deformity.
Background
Knee osteoarthritis is a frequently occurring disease, accounting for about 40% of all types of osteoarthritis, and most of it is asymptomatic, but with age, the incidence begins to rise, with pain, stiffness and limitation of movement of the knee joint as the main clinical manifestations. The disease is more common in middle and later years, so that the threat of knee osteoarthritis to the health of middle and old aged people is rapidly increasing, as the etiology and pathogenesis of the disease are not completely elucidated, the disease is mostly considered to be related to the change of biomechanics of the knee joint caused by the destruction of joint cartilage due to biological factors (genetics, age and inflammation) and mechanical injury, the effective treatment and prevention and health care are important public health problems, at present, the most effective means for treating the knee osteoarthritis accompanied by varus deformity or valgus deformity is to adopt a tibia proximal high-level osteotomy treatment, during the treatment, firstly, osteotomy is carried out at the tibia proximal end, then the part above the osteotomy is fixed, the part below the osteotomy is rotated to the outside to the normal position, then the whole tibia is fixed, the knee joint valgus deformity can be corrected after new bone grows in the osteotomy, and a bone plate is generally required to be used for fixing the tibia, but the biggest defect of the fixing method is that the bone plate is required to be taken out by secondary surgery, pain of patients is increased, and the treatment cost is obviously increased, and the improvement is necessary.
Disclosure of Invention
In view of the above, the present application provides a tibial correction device for treating varus and valgus deformity of knee osteoarthritis, so as to solve the above technical problems.
In order to achieve the above purpose, the present application provides the following technical solutions:
the utility model provides a shin bone orthotic devices of treatment knee joint osteoarthritis varus and valgus deformity, includes supporting seat and lower supporting seat, go up the supporting seat on with respectively be equipped with a limbs fixed establishment on the lower supporting seat, go up the supporting seat has two round pin ear, the lower supporting seat passes through a round pin hub connection two between the round pin ear, go up the supporting seat with the junction of lower supporting seat is equipped with locking adjustment mechanism, wherein, locking adjustment mechanism includes at least one adjusting screw, carousel, buffer spring and at least one locking screw, adjusting screw installs one round pin ear on and the inner support is held down on the supporting seat, the locking screw installs another round pin ear on, buffer spring with the carousel all overlaps to be established round pin epaxial, the carousel with the laminating of lower supporting seat, buffer spring is located the carousel and be connected with the locking screw between the round pin ear, have a plurality of through-hole on the outer terminal surface of carousel, the locking screw supports to hold on the outer terminal surface of carousel or pass corresponding in the lower supporting seat.
Further, the lower supporting seat comprises a hinging seat hinged with the upper supporting seat and a rotating seat with one end pin-connected on the hinging seat, the corresponding limb fixing mechanism is arranged on the rotating seat, and a locking arc plate in locking connection with the rotating seat is arranged on the hinging seat.
Further, the limb fixing mechanism comprises a guide rod and a clamping driving mechanism, wherein the guide rod and the clamping driving mechanism are arranged in the upper supporting seat or the lower supporting seat, two sleeves are sleeved on the guide rod in a sliding mode, a fastening side plate is connected to the sleeves, and the two sleeves are in driving connection with the clamping driving mechanism to achieve approaching or separating.
Still further, the clamping driving mechanism comprises a sliding plate and two symmetrical swing rods, the swing rods are provided with guide grooves, the guide grooves are connected with a first protruding shaft corresponding to the sleeve and a second protruding shaft corresponding to the sliding plate in a sliding fit mode, and one end of the driving screw is hinged to the sliding plate and is in threaded connection with the upper supporting seat or the lower supporting seat.
Further, a compression spring sleeved on the guide rod is abutted between the two sleeves.
Further, the fastening side plate comprises a plane plate fixedly connected with the corresponding sleeve and an arc plate which is slidably inserted on the plane plate through a plugboard, and a compression bolt connected on the plane plate pushes the friction plate to be abutted against the plugboard.
Still further, the internal side of picture peg is last to have the holding tank, install a plurality of parallel filling subassembly in the holding tank, the filling subassembly includes the flush piece, flush piece with be equipped with the bulldozing spring between the holding tank bottom surface makes the floating setting of flush piece.
Furthermore, the connecting rod connected with the flush block extends outwards through the inserting plate, and the plane plate is provided with an avoidance channel for avoiding the connecting rod.
Further, the flush block is prevented from collapsing by a removable pressure plate against the connecting rod.
Further, the outer end face of the rotary table is further provided with a plurality of blind holes, the blind holes are staggered with the through holes, and the locking screw can be inserted into the corresponding blind holes.
From the above technical solution, the advantages of the present application are: the lower supporting seat can move relative to the upper supporting seat, and the adjusting process is stable, so that the lateral shifting of the tibia and the rotation alignment of the tibia can be controllably corrected, the correction precision is high, and the adjustment is convenient; because the lower support seat comprises the hinging seat and the rotating seat, the corresponding limb fixing mechanism can rotate along with the rotation of the rotating seat to realize the rotation alignment, so that the limb fixing mechanism can be reliably attached to the tibia and the tibia is reliably fixed; in conclusion, the knee osteoarthritis treatment device does not need to be taken out by a secondary operation, so that the treatment effect of varus or valgus deformity can be ensured, pain of a patient caused by the secondary operation can be avoided, and the treatment cost of knee osteoarthritis is reduced.
In addition to the objects, features and advantages described above, the present application has other objects, features and advantages. The present application will be described in further detail with reference to the drawings.
Drawings
In order to more clearly illustrate the embodiments of the application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of the present application.
Fig. 2 is a schematic view of the installation structure of the lock adjusting mechanism of the present application.
Fig. 3 is a schematic structural view of a rotary table of the lock adjusting mechanism of the present application.
Fig. 4 is a schematic structural view of the limb fixation mechanism of the present application.
Figure 5 is a side cross-sectional view of the limb fixation mechanism of the present application.
Fig. 6 is an enlarged schematic view of a partial structure of a fastening side plate of the limb fixation mechanism of the present application.
List of reference numerals: the upper support base 1, the pin lugs 11, the lower support base 2, the hinge base 21, the swivel base 22, the locking arc plate 23, the locking hole 24, the vertical plate 25, the push rod 26, the locking adjustment mechanism 3, the adjusting screw 31, the turntable 32, the through hole 321, the blind hole 322, the cam ring 323, the buffer spring 33, the locking screw 34, the limb fixation mechanism 4, the guide rod 41, the sleeve 42, the first cam 421, the fastening side plate 43, the flat plate 431, the escape passage 4311, the arc plate 432, the insert plate 433, the accommodating groove 4331, the friction plate 434, the compression bolt 435, the filling assembly 436, the flush block 4361, the connecting rod 4362, the pressing spring 4363, the pressing plate 437, the compression spring 44, the swing rod 45, the guide groove 451, the slide plate 46, the second cam 461, the driving screw 47.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. 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.
The application is further described with reference to fig. 1 to 6, and the tibia correction device for treating the varus and valgus deformity of knee osteoarthritis as shown in fig. 1 comprises an upper support seat 1 and a lower support seat 2, wherein a limb fixing mechanism 4 is respectively arranged on the upper support seat 1 and the lower support seat 2, the upper support seat 1 is provided with two pin lugs 11, the lower support seat 2 is connected between the two pin lugs 11 through a pin shaft, the upper support seat 1 and the lower support seat 2 can be in pin connection for being used in a walking process, a locking and adjusting mechanism 3 is arranged at the joint of the upper support seat 1 and the lower support seat 2, and the locking and adjusting mechanism 3 is used for adjusting the translation distance of the lower support seat 2 relative to the upper support seat 1 or preventing the lower support seat 2 from rotating relative to the upper support seat 1. The lateral displacement of the tibia and the rotation alignment of the tibia can be controllably corrected by the translation of the lower supporting seat 2 relative to the upper supporting seat 1, so that the correction precision is high and the adjustment is convenient; the lower support base 2 is not suitable for restoring the initial stage when rotating relative to the upper support base 1, and can avoid the influence of the random bending of the knee on the operation effect or the restoring effect.
The lower support seat 2 is provided with two vertical plates 25 respectively positioned at two sides of the limb fixing mechanism 4, the vertical plates 25 are screwed with a push rod 26, and the ball head of the push rod 26 can be abutted against the part above the cutting seam of the tibia by screwing the push rod 26, so that the width of the cutting seam can be ensured not to be reduced.
As shown in fig. 2, the locking adjustment mechanism 3 includes at least one adjusting screw 31, a turntable 32, a buffer spring 33, and at least one locking screw 34, where the adjusting screw 31 is mounted on one of the pin lugs 11 and the inner end is abutted against the lower support base 2, the locking screw 34 is mounted on the other of the pin lugs 11, the buffer spring 33 and the turntable 32 are both sleeved on the pin shaft, the turntable 32 is attached to the lower support base 2, the buffer spring 33 is located between the turntable 32 and the pin lug 11 connected with the locking screw 34, a plurality of through holes 321 are formed on the outer end surface of the turntable 32, and the locking screw 34 is abutted against the outer end surface of the turntable 32 or inserted into the lower support base 2 through the corresponding through holes 321. When in use, the lower support seat 2 is pushed to approach or depart from the locking screw rod 34 by operating the adjusting screw rod 31 and matching with the buffer spring 33, and after the adjustment is completed, if the lower support seat 2 needs to be ensured to rotate relative to the upper support seat 1, the rotating disc 32 is shifted to enable the through hole 321 to be misplaced with the locking screw rod 34, the locking screw rod 34 is propped against the outer end surface of the rotating disc 32, so that the lower support seat 2 can not move at will, and the lower support seat 2 can also be ensured to rotate relative to the upper support seat 1; when it is necessary to ensure that the lower support 2 cannot rotate relative to the upper support 1, the dial 32 is shifted to make the through hole 321 correspond to the locking screw 34, and the locking screw 34 is inserted into the corresponding locking hole 24 on the lower support 2 through the corresponding through hole 321.
Preferably, the locking adjustment mechanism 3 has two adjustment screws 31 and three locking screws 34.
As shown in fig. 3, in order to prevent the locking screw 34 from sliding relatively when being abutted against the outer end surface of the turntable 32, the outer end surface of the turntable 32 is further provided with a plurality of blind holes 322, the blind holes 322 and the through holes 321 are arranged in a staggered manner, the locking screw 34 can be inserted into the corresponding blind holes 322, and in order to facilitate the turntable 32 to be moved, the outer circumferential surface of the turntable 32 is provided with a convex gear ring 323.
As shown in fig. 1, the lower support base 2 includes a hinge base 21 hinged to the upper support base 1 and a rotating base 22 with one end pinned to the hinge base 21, the corresponding limb fixing mechanism 4 is disposed on the rotating base 22, the hinge base 21 is provided with a locking arc plate 23 locked and connected with the rotating base 22, where the locking arc plate 23 is provided with a plurality of connection holes or a strip hole, and a locking screw passes through the corresponding hole to be connected with the rotating base 22 to prevent the rotating base 22 from rotating randomly.
As shown in fig. 4 and 5, the limb fixing mechanism 4 includes a guide rod 41 and a clamping driving mechanism, which are disposed in the upper support seat 1 or the lower support seat 2, two sleeves 42 are slidably sleeved on the guide rod 41, fastening side plates 43 are connected to the sleeves 42, and the two sleeves 42 are in driving connection with the clamping driving mechanism to approach or separate from the two sleeves to drive the two fastening side plates 43 to move to open or close.
In particular, the guide rod 41 is a polygonal column or is slidably connected to the sleeve 42 through a spline.
The clamping driving mechanism comprises a sliding plate 46 and two symmetrically connected swinging rods 45, wherein the swinging rods 45 are provided with guide grooves 451 extending in the extending direction, the guide grooves 451 are connected with a first protruding shaft 421 positioned on the corresponding sleeve 42 and a second protruding shaft 461 positioned on the sliding plate 46 in a sliding fit manner, and a driving screw 47 with one end hinged on the sliding plate 46 is in threaded connection with the upper supporting seat 1 or the lower supporting seat 2. The sliding plate 46 moves to drive the two swing rods 45 to swing, and the two swing rods 45 swing to drive the two sleeves 42 to slide along the guide rods 41.
In order to enable the two sleeves 42 to be quickly moved away from each other for resetting, a compression spring 44 sleeved on the guide rod 41 is abutted between the two sleeves 42.
For people with different thighs, the fastening side plate 43 includes a flat plate 431 fixedly connected with the sleeve 42 and an arc plate 432 slidably inserted on the flat plate 431 through a plugboard 433, and a compression bolt 435 connected to the flat plate 431 pushes a friction plate 434 to abut against the plugboard 433. The clamping space of the clamping opening is adjusted by adjusting the insertion depth of the inserting plate 433, so that different people can use the clamping opening.
As shown in fig. 6, in order to avoid the accident that the gap between the flat plate 431 and the circular arc plate 432 may cause a clamping injury to a human body during use, the inner side surface of the insertion plate 433 has a receiving groove 4331, a plurality of parallel filling assemblies 436 are installed in the receiving groove 4331, the filling assemblies 436 include a flush block 4361, and a pushing spring 4363 is disposed between the flush block 4361 and the bottom surface of the receiving groove 4331 to enable the flush block 4361 to float. The overhanging extreme position of the flush block 4361 is flush with the inner side surface of the flat plate 431, when the insert plate 433 needs to be inserted, the flush block 4361 is pressed into the accommodating groove 4331, so that the flush block 4361 is completely accommodated into the accommodating groove 4331, and when the insert plate 433 is pulled out, the flush block 4361 automatically resets, so that the insert of the insert plate 433 is not blocked.
In order to facilitate the installation of the flush block 4361, the connecting rod 4362 connected to the flush block 4361 extends outwards through the insert plate 433, and the plane plate 431 is provided with a avoiding channel 4311 for avoiding the connecting rod 4362, so that the insertion of the insert plate 433 is not hindered.
In order to make the flush block 4361 outward-extending reliably, the detachable pressing plate 437 is abutted against the connecting rod 4362 to prevent the flush block 4361 from shrinking inwards, and the pressing plate 437 is removed to press the flush block 4361 into the accommodating groove 4331.
The above is only a preferred embodiment of the present application, and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (9)
1. The tibia correction device for treating knee osteoarthritis varus and valgus deformity comprises an upper supporting seat (1) and a lower supporting seat (2), wherein each of the upper supporting seat (1) and the lower supporting seat (2) is provided with a limb fixing mechanism (4), and the tibia correction device is characterized in that the upper supporting seat (1) is provided with two pin lugs (11), the lower supporting seat (2) is connected between the two pin lugs (11) through a pin shaft, a locking adjusting mechanism (3) is arranged at the joint of the upper supporting seat (1) and the lower supporting seat (2), the locking adjusting mechanism (3) comprises at least one adjusting screw (31), a turntable (32), a buffer spring (33) and at least one locking screw (34), the adjusting screw (31) is arranged on one pin lug (11) and the inner end of the adjusting screw is propped against the lower supporting seat (2), the buffer spring (32) is arranged on the other pin lug (11), the buffer spring (33) is sleeved on the upper supporting seat (33) and the lower supporting seat (32) is provided with a plurality of through holes (32) which are matched with the upper supporting seat (32), the lower supporting seat (2) is pushed to approach or separate from the locking screw (34) by operating the adjusting screw (31) and matching with the buffer spring (33), the lower supporting seat (2) can be rotated to perform angle adjustment when the rotating disc (32) is shifted to enable the locking screw (34) to be propped against the outer end face of the rotating disc (32), and the locking screw (34) can be inserted into the lower supporting seat (2) through the corresponding through hole (321) to lock the lower supporting seat (2) when the rotating disc (32) is shifted to enable the locking screw (34) to correspond to the through hole (321); the lower supporting seat (2) comprises a hinging seat (21) hinged with the upper supporting seat (1) and a rotating seat (22) with one end being pin-connected on the hinging seat (21), the corresponding limb fixing mechanism (4) is arranged on the rotating seat (22), and the hinging seat (21) is provided with a locking arc plate (23) locked and connected with the rotating seat (22).
2. The tibia correction device for treating knee osteoarthritis varus deformity according to claim 1, wherein the limb fixing mechanism (4) comprises a guide rod (41) and a clamping driving mechanism, wherein the guide rod (41) and the clamping driving mechanism are arranged in the upper supporting seat (1) or the lower supporting seat (2), two sleeves (42) are sleeved on the guide rod (41) in a sliding mode, fastening side plates (43) are connected to the sleeves (42), and the two sleeves (42) are in driving connection with the clamping driving mechanism to achieve approaching or separating.
3. Tibial correction device for the treatment of varus in knee osteoarthritis according to claim 2, characterized in that said clamping driving mechanism comprises a sliding plate (46) and two symmetrical swinging rods (45) arranged in a sliding manner, said swinging rods (45) being provided with guide grooves (451), said guide grooves (451) being in sliding engagement with a first protruding shaft (421) located on the corresponding sleeve (42) and a corresponding second protruding shaft (461) located on said sliding plate (46), a driving screw (47) hinged at one end on said sliding plate (46) being in threaded connection with said upper support seat (1) or said lower support seat (2).
4. A tibial orthotic device for the treatment of valgus deformity in knee osteoarthritis according to claim 2, wherein a compression spring (44) fitted over said guide rod (41) is held between two of said sleeves (42).
5. The tibial orthotic device for the treatment of varus and valgus deformity in knee osteoarthritis according to claim 2, wherein said fastening side plate (43) comprises a plane plate (431) fixedly connected to the corresponding sleeve (42) and an arc plate (432) slidingly inserted on said plane plate (431) through a plug plate (433), a compression bolt (435) connected to said plane plate (431) pushing a friction plate (434) against said plug plate (433).
6. The tibial orthotic device for treating a knee osteoarthritis varus-valgus deformity according to claim 5, wherein said insert plate (433) has a receiving slot (4331) on its inner side, said receiving slot (4331) having a plurality of side-by-side filler assemblies (436) mounted therein, said filler assemblies (436) comprising a leveling block (4361), said leveling block (4361) being floatingly mounted with a biasing spring (4363) between said leveling block (4361) and a bottom surface of said receiving slot (4331).
7. The tibial orthotic device for treating a knee osteoarthritis varus-valgus deformity according to claim 6, wherein a connecting rod (4362) connected to said flush block (4361) extends outwardly through said insert plate (433), and wherein said planar plate (431) has a relief channel (4311) for relief of said connecting rod (4362).
8. The tibial orthotic device for treating a knee osteoarthritis varus-valgus deformity of claim 7, wherein said flush block (4361) is prevented from collapsing by a removable pressure plate (437) abutting against said connecting rod (4362).
9. The tibial correcting device for treating knee osteoarthritis varus and valgus deformity according to claim 1, wherein the outer end surface of the turntable (32) is further provided with a plurality of blind holes (322), the blind holes (322) and the through holes (321) are arranged in a staggered manner, and the locking screw (34) can be inserted into the corresponding blind holes (322).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111670210.8A CN114176863B (en) | 2021-12-31 | 2021-12-31 | Tibia correction device for treating knee osteoarthritis varus and valgus deformity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111670210.8A CN114176863B (en) | 2021-12-31 | 2021-12-31 | Tibia correction device for treating knee osteoarthritis varus and valgus deformity |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114176863A CN114176863A (en) | 2022-03-15 |
| CN114176863B true CN114176863B (en) | 2023-08-18 |
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| CN202111670210.8A Active CN114176863B (en) | 2021-12-31 | 2021-12-31 | Tibia correction device for treating knee osteoarthritis varus and valgus deformity |
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