CN114176866A - Correction device for preventing knee joint dysfunction - Google Patents
Correction device for preventing knee joint dysfunction Download PDFInfo
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- CN114176866A CN114176866A CN202111410308.XA CN202111410308A CN114176866A CN 114176866 A CN114176866 A CN 114176866A CN 202111410308 A CN202111410308 A CN 202111410308A CN 114176866 A CN114176866 A CN 114176866A
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- ankle
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- 210000000629 knee joint Anatomy 0.000 title claims abstract description 39
- 238000012937 correction Methods 0.000 title claims abstract description 26
- 208000036487 Arthropathies Diseases 0.000 title claims abstract description 17
- 230000008093 supporting effect Effects 0.000 claims abstract description 70
- 210000003423 ankle Anatomy 0.000 claims abstract description 46
- 210000003141 lower extremity Anatomy 0.000 claims abstract description 19
- 230000000694 effects Effects 0.000 claims abstract description 8
- 238000005096 rolling process Methods 0.000 claims description 4
- 238000005452 bending Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 210000003127 knee Anatomy 0.000 description 7
- 210000000689 upper leg Anatomy 0.000 description 6
- 230000002265 prevention Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 210000003205 muscle Anatomy 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
- 238000012549 training Methods 0.000 description 3
- 230000007850 degeneration Effects 0.000 description 2
- 210000002683 foot Anatomy 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 206010061599 Lower limb fracture Diseases 0.000 description 1
- 206010062575 Muscle contracture Diseases 0.000 description 1
- 206010048654 Muscle fibrosis Diseases 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 208000006111 contracture Diseases 0.000 description 1
- 210000003414 extremity Anatomy 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
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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
- A61F5/04—Devices for stretching or reducing fractured limbs; Devices for distractions; Splints
- A61F5/042—Devices for stretching or reducing fractured limbs; Devices for distractions; Splints for extension or stretching
-
- 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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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B23/00—Exercising apparatus specially adapted for particular parts of the body
- A63B23/035—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously
- A63B23/04—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for lower limbs
- A63B23/0494—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for lower limbs primarily by articulating the knee joints
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Nursing (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Physical Education & Sports Medicine (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
Abstract
The invention provides a correction device for preventing knee joint dysfunction, and relates to the field of lower limb correction. The ankle fixing structure is arranged at the rear part of the joint supporting structure at intervals and is movably assembled and connected with the base; the joint supporting structure comprises a swinging support, a supporting seat and a traction frame, wherein the lower part of the swinging support is hinged to the front part of the base, the supporting seat is arranged at the upper part of the swinging support, and the traction frame is connected with the upper part of the swinging support so as to apply tension or release the tension to enable the supporting seat to generate fluctuation motion; the ankle fixing structure comprises an ankle support, a sliding shaft and an elastic piece, the ankle support is installed on the sliding shaft, the sliding shaft is installed in the first guide groove of the base in a guiding mode, the elastic piece is connected with the sliding shaft, and the elastic direction of the elastic piece is arranged forwards. When the support is in a supporting state, the traction frame exerts a pulling force effect, the swinging support swings upwards away from the base, and a supporting height is formed between the supporting seat and the base.
Description
Technical Field
The invention relates to the technical field of lower limb correction, in particular to a correction device for preventing knee joint dysfunction.
Background
The knee joint dysfunction is a common complication in the lower limb fracture operation, and peripheral muscle fibrosis, contracture and adhesion are caused by the lack of movement of limbs for a long time, and the condition of losing the joint movement function is caused in severe cases.
The knee joint rehabilitation training device comprises a bedstead, a mattress arranged on the front side of the top of the bedstead, and two rehabilitation training mechanisms arranged on the rear side of the top of the bedstead in parallel; three rails extending along the length direction of the bedstead are arranged at equal intervals on the top of the bedstead; the rehabilitation training mechanism comprises a thigh supporting bracket, a shank supporting bracket, a position adjusting mechanism and an elastic rope arranged at the rear end of the shank supporting bracket; the front end of the thigh supporting bracket is in pivot connection with the two adjacent rails, the front end of the shank supporting bracket is in pivot connection with the rear end of the thigh supporting bracket, the front end of the shank supporting bracket is in sliding connection with the two adjacent rails and can reciprocate along the axial direction of the rails, and the position adjusting mechanism can continuously adjust the position of the front end of the shank supporting bracket.
During the use, the patient lies on the mattress, and its thigh bearing is on thigh support bracket, and the shank bearing is on shank support bracket, can change the contained angle between thigh support bracket and the shank support bracket, satisfies the requirement of the various bending angle of knee joint. However, in patients with lower limb surgery, the lower limb muscles and knee joints are functionally degenerated and cannot independently complete the rehabilitation process; moreover, the knee joint of the patient is stiff and even deformed, and if the lower limb exerts force autonomously, secondary injury may be caused, so that the purpose of gradual correction cannot be achieved.
Disclosure of Invention
In order to solve the above problems, it is an object of the present invention to provide a correction device for preventing knee joint dysfunction, which solves the problem that the lower limb muscles and knee joints are functionally degenerated and cannot independently perform the rehabilitation process; moreover, the knee joint of the patient is stiff and even deformed, and if the lower limb exerts force autonomously, secondary injury can be caused, so that the purpose of gradual correction can not be achieved.
The technical scheme of the correction device for preventing the knee joint dysfunction comprises the following steps:
the correction device for preventing knee joint dysfunction comprises a base, a joint supporting structure and ankle fixing structures, wherein the base is provided with an accommodating channel for flatly placing lower limbs, the joint supporting structure is positioned at the front part of the accommodating channel, the ankle fixing structures are arranged at the rear part of the joint supporting structure at intervals, and the ankle fixing structures are movably assembled and connected with the base;
the joint supporting structure comprises a swinging support, a supporting seat and a traction frame, wherein the lower part of the swinging support is hinged to the front part of the base, the supporting seat is arranged at the upper part of the swinging support, and the traction frame is connected with the upper part of the swinging support so as to apply tension or release the tension to enable the supporting seat to generate fluctuation motion;
the joint supporting structure has a supporting state and a retracting state, when in the supporting state, the traction frame exerts a pulling force effect, and the swinging bracket swings upwards away from the base so as to form a supporting height between the supporting seat and the base; when the device is in a retracted state, the traction frame releases the tensile force, the swinging bracket is laid on the base, and the supporting seat is close to the base;
the ankle fixed knot constructs includes ankle support, sliding shaft and elastic component, the ankle support install in on the sliding shaft, be equipped with on the base and follow the first guide slot that the length direction of holding passageway extends, the sliding shaft direction install in the first guide slot, the elastic component with the sliding shaft is connected, just the elasticity direction of elastic component is for following the length direction of holding passageway sets up forward.
Furthermore, the swing support is a bracket shaped like a Chinese character 'ri', the bracket shaped like a Chinese character 'ri' comprises two support arms, a lower cross rod, a middle cross rod and an upper cross rod, the lower cross rod, the middle cross rod and the upper cross rod are fixedly connected between the two support arms, the two support arms are arranged in parallel at intervals, the lower cross rod is hinged with the front part of the base, and the supporting seat is hinged with the upper cross rod.
Furthermore, the joint supporting structure also comprises a limiting bracket, the upper end of the limiting bracket is hinged with the middle cross rod, and the swinging bracket is connected with the limiting bracket to form a herringbone supporting structure;
the front portion of base is equipped with the second guide slot, the second guide slot along the length direction extension setting of holding passageway, the lower extreme slidable mounting of spacing support in the second guide slot.
Furthermore, a stopping member is adjustably installed in the second guide groove, the adjusting direction of the stopping member is arranged along the length direction of the second guide groove, the end part of the stopping member located in the second guide groove forms a stopping end, and in the supporting state, the stopping end is used for being matched with the lower end of the limiting support in a stopping manner.
Furthermore, the stopping piece is a stopping rod, a through hole is formed in the end portion of the second guide groove, the axis of the through hole is parallel to the length direction of the second guide groove, the stopping rod is movably arranged in the through hole in a penetrating mode, a fastening piece is installed on the outer side of the second guide groove in a threaded mode, and the fastening piece is tightly matched with the top of the stopping rod.
Furthermore, two longitudinal beams are convexly arranged on the upper side of the base, the two longitudinal beams are arranged in parallel at intervals, and the joint supporting structure and the ankle fixing structure are respectively installed at the interval position between the two longitudinal beams;
the accommodating channel is formed at the interval position between the two longitudinal beams, the first guide groove is formed in the rear parts of the two longitudinal beams, and the second guide groove is formed in the front parts of the two longitudinal beams.
Furthermore, two guide rollers are rotatably mounted on the sliding shaft, the two guide rollers are respectively matched with the corresponding first guide grooves in a rolling manner, the end part of the sliding shaft protrudes out of the outer sides of the first guide grooves, and the elastic part is connected with the protruding end of the sliding shaft.
Furthermore, a screw nut structure is further arranged on the outer side of the longitudinal beam and comprises a screw rod and a nut sliding block which are in threaded fit, the screw rod extends in a direction parallel to the length direction of the longitudinal beam, and one end, protruding out of the base, of the screw rod is provided with a screwing part;
the nut slider is assembled on the outer side of the longitudinal beam in a sliding mode, the elastic piece is a cylindrical tension spring, and the cylindrical tension spring is connected between the nut slider and the protruding end of the sliding shaft.
Furthermore, the ankle support is L-shaped, the L-shaped support comprises a first support plate and a second support plate, the first support plate is vertically connected with the second support plate, and the upper side of the first support plate is connected with a magic tape bandage.
Furthermore, the rear part of the lower side of the base is also provided with a clamping structure, the clamping structure comprises two clamping plates and locking bolts, one of the clamping plates is provided with a threaded hole matched with the locking bolt, and the clamping structure is used for loosening or clamping the bedstead.
Has the advantages that: the correction device for preventing knee joint dysfunction adopts the structural design of a base, a joint supporting structure and an ankle fixing structure, wherein the joint supporting structure and the ankle fixing structure are respectively arranged at the front and back positions of a base accommodating channel; the knee joint is supported by the supporting seat of the joint supporting structure, the foot of a patient is fixed on the ankle support of the ankle fixing structure, the ankle support is slidably mounted in the first guide groove through the sliding shaft, the patient can move back and forth according to the knee bending angle, and the flexibility of lower limb movement is better.
The lower part of the swing support is hinged to the front part of the base, the traction frame is connected with the upper part of the swing support, in the actual use process, a patient pulls the traction frame with hands to exert a pulling force on the upward swing of the swing support, the traction frame is utilized to form manual auxiliary force for knee bending action, and the rehabilitation process can be independently and autonomously completed for patients with lower limb muscles and knee joints suffering from functional degeneration. Moreover, the manual auxiliary force is applied or released by the patient, even if the knee joint of the patient is stiff or even deformed, the auxiliary pulling force can be adaptively reduced or increased according to the sensed force applying condition of the knee joint during correction, and the purpose of gradual correction can be achieved.
The sliding shaft is connected with an elastic part, and the elastic direction of the elastic part is arranged forwards along the length direction of the accommodating channel, so that on one hand, the elastic part generates elastic auxiliary force for knee bending action and is matched with manual auxiliary force of the hand-pulling traction frame, the force generation strength of the knee joint is reduced, and the effect of correction and protection can be better played; on the other hand, in the process of straightening and flatly placing the lower limbs, the elastic parts generate forward movement resistance to the sliding shafts and the ankle supports, the stress condition of the lower limbs during walking is simulated, and the correction treatment effect of the knee joints is improved.
Drawings
Fig. 1 is a perspective view of an orthotic device for the prevention of knee joint dysfunction (in a stowed state) in an embodiment of the orthotic device of the present invention;
FIG. 2 is a perspective view of another perspective view of the orthotic device for the prevention of knee joint dysfunction (in a stowed state) in an embodiment of the orthotic device for the prevention of knee joint dysfunction of the present invention;
fig. 3 is a partial longitudinal sectional view of an orthotic device for the prevention of knee joint dysfunction in an embodiment of the orthotic device for the prevention of knee joint dysfunction of the present invention at a joint support structure.
In the figure: 1-base, 10-longitudinal beam, 11-first guide groove, 12-second guide groove, 13-stop rod and 14-fastener;
2-joint support structure, 20-swing support, 200-support arm, 201-lower cross bar, 202-middle cross bar, 203-upper cross bar, 21-support seat, 210-flexible pad, 22-traction frame, 23-limit support and 230-lower end of limit support;
3-ankle fixing structure, 30-ankle support, 31-sliding shaft, 310-protruding end of sliding shaft, 32-elastic piece, 33-guide roller, 34-magic tape bandage;
4-a screw nut structure, 40-a screw, 41-a nut slider and 42-a screwing part;
5-clamping structure, 50-clamping plate and 51-locking bolt.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
As shown in fig. 1 to 3, the correction device for preventing knee joint dysfunction according to the present invention includes a base 1, a joint support structure 2 and an ankle fixing structure 3, wherein the base 1 is provided with an accommodating channel for flatly placing the lower limb, the joint support structure 2 is located at the front part of the accommodating channel of the base 1, the ankle fixing structure 3 is arranged at the rear part of the joint support structure 2 at intervals, and the ankle fixing structure 3 is movably assembled with the base 1; the joint supporting structure 2 comprises a swinging support 20, a supporting seat 21 and a traction frame 22, wherein the lower part of the swinging support 20 is hinged to the front part of the base 1, the supporting seat 21 is arranged at the upper part of the swinging support 20, and the traction frame 22 is connected with the upper part of the swinging support 20 so as to apply tension or release the tension to enable the supporting seat 21 to generate fluctuation motion.
The joint support structure 2 has a support state and a retraction state, and in the support state, the traction frame 22 exerts a pulling force, and the swing bracket 20 swings upwards away from the base 1 to form a support height between the support seat 21 and the base 1; when the folding type bicycle is in a folding state, the traction frame 22 releases the tension effect, the swing bracket 20 is laid on the base 1, and the supporting seat 21 is close to the base 1; ankle fixed knot constructs 3 includes ankle support 30, sliding shaft 31 and elastic component 32, and ankle support 30 installs on sliding shaft 31, is equipped with the first guide slot 11 that extends along the length direction of holding passageway on the base 1, and sliding shaft 31 direction is installed in first guide slot 11, and elastic component 32 is connected with sliding shaft 31, and the elasticity direction of elastic component 32 sets up forward for the length direction along the holding passageway.
The correction device for preventing the knee joint dysfunction adopts the structural design of a base 1, a joint supporting structure 2 and an ankle fixing structure 3, wherein the joint supporting structure 2 and the ankle fixing structure 3 are respectively arranged at the front and back positions of an accommodating channel of the base 1; the supporting seat 21 of the joint supporting structure 2 supports the knee joint, the foot of the patient is fixed on the ankle support 30 of the ankle fixing structure 3, the ankle support 30 is slidably mounted in the first guide groove 11 through the sliding shaft 31, the patient can move back and forth according to the knee bending angle, and the flexibility of the lower limb movement is better.
The lower part of the swing bracket 20 is hinged to the front part of the base 1, the traction frame 22 is connected with the upper part of the swing bracket 20, in the actual use process, a patient pulls the traction frame 22 by hand to exert a pulling force on the upward swing of the swing bracket 20, the traction frame 22 is utilized to form manual auxiliary force for the knee bending action, and the rehabilitation process can be independently and autonomously completed for the patient with functional degeneration of lower limb muscles and knee joints. Moreover, the manual auxiliary force is applied or released by the patient, even if the knee joint of the patient is stiff or even deformed, the auxiliary pulling force can be adaptively reduced or increased according to the sensed force applying condition of the knee joint during correction, and the purpose of gradual correction can be achieved.
Moreover, the sliding shaft 31 is connected with the elastic part 32, and the elastic direction of the elastic part 32 is forward arranged along the length direction of the accommodating channel, on one hand, the elastic part 32 generates an elastic auxiliary force for the knee bending action and is matched with the manual auxiliary force of the hand-pulling traction frame 22, so that the force generation intensity of the knee joint is reduced, and the correction protection effect can be better played; on the other hand, in the process that the lower limb is straightened and laid flat, the elastic part 32 generates forward movement resistance on the sliding shaft 31 and the ankle support 30, the stress condition when the lower limb walks is simulated, and the rehabilitation and correction effect of the knee joint is improved.
In this embodiment, the swing frame 20 is a japanese-character-shaped frame, the japanese-character-shaped frame includes two support arms 200, and a lower cross bar 201, a middle cross bar 202 and an upper cross bar 203 fixedly connected between the two support arms 200, the two support arms 200 are arranged in parallel at intervals, the lower cross bar 201 is hinged with the front portion of the base 1, and the supporting base 21 is hinged with the upper cross bar 203. The upper portion of bearing 21 still is equipped with flexible pad 210, and flexible pad 210 specifically is the silica gel cushion, can play good support nature to the inboard of knee joint. In addition, the joint support structure 2 further comprises a limiting bracket 23, the upper end of the limiting bracket 23 is hinged with the middle cross bar 202, and the swinging bracket 20 is connected with the limiting bracket 23 to form a herringbone support structure; the front portion of base 1 is equipped with second guide slot 12, and second guide slot 12 extends along the length direction of holding the passageway and sets up, and the lower extreme 230 slidable mounting of spacing support is in second guide slot 12.
Because the swing bracket 20 and the limit bracket 23 are hinged to form a herringbone supporting structure, when the swing bracket 20 swings upwards or falls down, the limit bracket 23 slides and swings, and the limit bracket 23 forms a certain side supporting effect on the swing bracket 20 in a supporting state, so that stable supporting force is generated on the knee joint; moreover, the lower end 230 of the limit bracket is limited by the second guide groove 12, so that the movement strokes of the swing bracket 20 and the support seat 21 are restricted, the problem of secondary injury caused by too large knee bending degree is avoided, and the safety of rehabilitation and correction is ensured.
The second guide groove 12 is adjustably provided with a stop member, the adjustment direction of the stop member is arranged along the length direction of the second guide groove 12, the end part of the stop member located in the second guide groove 12 forms a stop end, and in the supporting state, the stop end is used for being matched with the lower end 230 of the limit bracket in a stop manner. Specifically, the stopping member is a stopping rod 13, a through hole is formed in the end portion of the second guide groove 12, the axis of the through hole is parallel to the length direction of the second guide groove 12, the stopping rod 13 is movably inserted into the through hole, a fastening member 14 is installed on the outer side of the second guide groove 12 in a threaded mode, and the fastening member 14 is tightly matched with the stopping rod 13 in a propping mode.
The front and back positions of the stop end in the second guide groove 12 can be adjusted by utilizing the adjustable assembly design of the stop rod 13, preferably, the fastening piece 14 is a fastening bolt, and the stop rod 13 is fixed through the fastening bolt after being adjusted in place, namely, the maximum movable range of the knee joint is set.
In the embodiment, two longitudinal beams 10 are convexly arranged on the upper side of the base 1, the two longitudinal beams 10 are arranged in parallel at intervals, and the joint supporting structure 2 and the ankle fixing structure 3 are respectively arranged at the interval position between the two longitudinal beams 10; and, the interval position between two longerons 10 forms the holding channel, and first guide slot 11 opens in the rear portion of two longerons 10, and second guide slot 12 opens in the front portion of two longerons 10, has guaranteed that the motion of joint support structure 2 and ankle fixed knot structure 3 does not interfere with each other.
Two guide rollers 33 are rotatably mounted on the sliding shaft 31, the two guide rollers 33 are respectively in rolling fit with the first guide grooves 11 on the corresponding sides, the end of the sliding shaft 31 protrudes out of the first guide grooves 11, and the elastic member 32 is connected with the protruding end 310 of the sliding shaft. By the rolling fit between the guide roller 33 and the first guide groove 11, the moving accuracy of the sliding shaft 31 is improved, and the ankle support 30 can smoothly slide back and forth.
Preferably, a screw nut structure 4 is further arranged on the outer side of the longitudinal beam 10, the screw nut structure 4 comprises a screw 40 and a nut slider 41 which are in threaded fit, the screw 40 extends parallel to the length direction of the longitudinal beam 10, and one end of the screw 40 protruding out of the base 1 is provided with a screwing part 42; the nut block 41 is slidably assembled on the outer side of the longitudinal beam 10, and the elastic member 32 is a cylindrical tension spring connected between the nut block 41 of the lead screw nut structure 4 and the protruding end 310 of the sliding shaft. The screwing part 42 is operated to rotate the screw 40, so that the front and rear positions of the nut slider 41 can be adjusted, and the elastic auxiliary force of the elastic piece 32 can be changed, and the correction requirements of different strengths can be flexibly met.
In addition, ankle support 30 is L shape support, and L shape support includes first extension board and second extension board, and the first extension board and the second extension board of L shape support link to each other perpendicularly, and the upside of first extension board is connected with magic tape bandage 34, can be fixed in on the L shape support with patient's ankle through magic tape bandage 34. The clamping structure 5 is further arranged at the rear part of the lower side of the base 1, the clamping structure 5 comprises two clamping plates 50 and locking bolts 51, one clamping plate 50 is provided with a threaded hole matched with the locking bolt 51, and the clamping structure 5 is used for loosening or clamping the bedstead. When the ankle rehabilitation device is used, the base 1 is fixed to the bed tail through the clamping structure 5, a patient lies on the bed, the lower limbs of the patient lie on the accommodating channel of the base 1, the knee joint is arranged on the supporting seat 21, and the ankle of the patient is fixed to the ankle support 30, so that corresponding rehabilitation correction can be performed.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (10)
1. A correction device for preventing knee joint dysfunction is characterized by comprising a base, a joint supporting structure and ankle fixing structures, wherein the base is provided with a containing channel for horizontally placing lower limbs, the joint supporting structure is positioned at the front part of the containing channel, the ankle fixing structures are arranged at the rear part of the joint supporting structure at intervals, and the ankle fixing structures are movably assembled and connected with the base;
the joint supporting structure comprises a swinging support, a supporting seat and a traction frame, wherein the lower part of the swinging support is hinged to the front part of the base, the supporting seat is arranged at the upper part of the swinging support, and the traction frame is connected with the upper part of the swinging support so as to apply tension or release the tension to enable the supporting seat to generate fluctuation motion;
the joint supporting structure has a supporting state and a retracting state, when in the supporting state, the traction frame exerts a pulling force effect, and the swinging bracket swings upwards away from the base so as to form a supporting height between the supporting seat and the base; when the device is in a retracted state, the traction frame releases the tensile force, the swinging bracket is laid on the base, and the supporting seat is close to the base;
the ankle fixed knot constructs includes ankle support, sliding shaft and elastic component, the ankle support install in on the sliding shaft, be equipped with on the base and follow the first guide slot that the length direction of holding passageway extends, the sliding shaft direction install in the first guide slot, the elastic component with the sliding shaft is connected, just the elasticity direction of elastic component is for following the length direction of holding passageway sets up forward.
2. The orthosis of claim 1, wherein said swing frame is a japanese-character-shaped frame, said japanese-character-shaped frame including two arms, a lower cross bar, a middle cross bar and an upper cross bar fixedly connected between said two arms, said two arms being spaced apart in parallel, said lower cross bar being hingedly connected to a front portion of said base, and said bearing base being hingedly connected to said upper cross bar.
3. The orthosis of claim 2, wherein the joint support structure further comprises a limit bracket, an upper end of the limit bracket is hinged to the middle cross bar, and the swing bracket is connected to the limit bracket to form a herringbone support structure;
the front portion of base is equipped with the second guide slot, the second guide slot along the length direction extension setting of holding passageway, the lower extreme slidable mounting of spacing support in the second guide slot.
4. The orthosis according to claim 3, wherein a stop member is adjustably installed in the second guide groove, the adjustment direction of the stop member is arranged along the length direction of the second guide groove, the end of the stop member located in the second guide groove forms a stop end, and the stop end is adapted to stop and cooperate with the lower end of the limit bracket in the supporting state.
5. The orthosis of claim 4, wherein the stopper is a stopper rod, the end of the second guide groove is provided with a through hole, the axis of the through hole is parallel to the length direction of the second guide groove, the stopper rod is movably inserted into the through hole, the outer side of the second guide groove is threaded with a fastener, and the fastener is tightly matched with the top of the stopper rod.
6. The orthosis of any one of claims 3 to 5, wherein two longitudinal beams are convexly provided on an upper side of the base, the two longitudinal beams are arranged in parallel at a spacing, and the joint supporting structure and the ankle fixing structure are respectively installed at a spacing position between the two longitudinal beams;
the accommodating channel is formed at the interval position between the two longitudinal beams, the first guide groove is formed in the rear parts of the two longitudinal beams, and the second guide groove is formed in the front parts of the two longitudinal beams.
7. The orthosis of claim 6, wherein the sliding shaft is rotatably installed with two guide rollers, the two guide rollers are respectively in rolling engagement with the corresponding first guide grooves, the end of the sliding shaft protrudes outside the first guide grooves, and the elastic member is connected with the protruding end of the sliding shaft.
8. The orthosis of claim 7, wherein the longitudinal beam is further provided with a screw nut structure at an outer side thereof, the screw nut structure comprises a screw and a nut block which are in threaded fit, the screw extends parallel to the longitudinal beam, and a screw part is provided at an end of the screw protruding from the base;
the nut slider is assembled on the outer side of the longitudinal beam in a sliding mode, the elastic piece is a cylindrical tension spring, and the cylindrical tension spring is connected between the nut slider and the protruding end of the sliding shaft.
9. The orthosis of any one of claims 1 to 5, wherein the ankle support is an L-shaped support, the L-shaped support including a first plate and a second plate, the first plate being connected to the second plate perpendicularly, and a hook and loop fastener strap being connected to an upper side of the first plate.
10. The orthosis of any one of claims 1 to 5, wherein the lower rear portion of the base is further provided with a clamping structure, the clamping structure comprises two clamp plates and a locking bolt, one of the clamp plates is provided with a threaded hole matched with the locking bolt, and the clamping structure is used for loosening or clamping the bedstead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111410308.XA CN114176866A (en) | 2021-11-22 | 2021-11-22 | Correction device for preventing knee joint dysfunction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111410308.XA CN114176866A (en) | 2021-11-22 | 2021-11-22 | Correction device for preventing knee joint dysfunction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114176866A true CN114176866A (en) | 2022-03-15 |
Family
ID=80602514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111410308.XA Withdrawn CN114176866A (en) | 2021-11-22 | 2021-11-22 | Correction device for preventing knee joint dysfunction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114176866A (en) |
-
2021
- 2021-11-22 CN CN202111410308.XA patent/CN114176866A/en not_active Withdrawn
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20220315 |