Knee joint ligament rupture rehabilitation training device capable of preventing flexion and extension injuries
Technical Field
The invention relates to the technical field of rehabilitation medical instruments, in particular to a knee joint ligament rupture rehabilitation training device capable of preventing flexion and extension injuries.
Background
The knee joint ligament is tough and located at the knee joint, the stability of bones can be enhanced, the range of motion of thighs and calves is limited when a person walks, the thighs and the calves are connected, once the knee joint ligament is broken, the patient cannot stand and walk, after the patient with the broken ligament receives an operation, rehabilitation training needs to be carried out according to medical advice in the rehabilitation stage, wherein the most important training mode is to carry out knee joint flexion and extension training, but the flexion and extension training degrees of the patient in different rehabilitation stages are different according to different rehabilitation degrees of the patient, the knee bending angle is small at the beginning, the knee bending angle is gradually increased along with the rehabilitation of the patient, the knee bending angle of the patient is difficult to accurately control in the process, and the rehabilitation training effect is weakened due to the fact that the angle is too small; too big then can make patient knee joint be injured once more of angle, seriously influence the rehabilitation process, and make patient injury repeatedly and increase its misery, can make the ligament receive permanent damage even when serious, on the other hand, when the patient carries out the rehabilitation training, need fix its thigh and shank, make thigh and shank keep suitable position, prevent knee joint department about direction or the joint dislocation of fore-and-aft direction appear, knee department will be protected simultaneously, the accident bumps during the rehabilitation training, it is impaired to prevent the wound, still pull the skin of thigh and shank department to the knee joint, avoid the wound to be pulled open when the training.
Disclosure of Invention
In order to overcome the defects in the background art, the invention discloses a knee joint ligament rupture rehabilitation training device for preventing bending, stretching and pulling injuries.
In order to realize the purpose, the invention adopts the following technical scheme:
a knee joint ligament rupture rehabilitation training device for preventing flexion and extension injuries comprises a knee lower bracket and a knee upper bracket, wherein the left side and the right side of the knee lower bracket are respectively connected with one end side of two connecting rods II through two main shafts in a rotating manner, the left side and the right side of the knee upper bracket are respectively connected with one end side of two connecting rods I through another two main shafts in a rotating manner, the other ends of the connecting rods I and II are respectively connected with a knee protection assembly in a rotating manner, the front end and the rear end of the knee protection assembly are respectively provided with a dislocation prevention assembly, the front end and the rear end of the knee protection assembly are respectively connected with a skin tensioning assembly, the left side and the right side of the bottom of the knee lower bracket are respectively fixed with one end side of two positioning cylinders II, the positioning cylinders II are connected with an ankle fixing assembly in a sliding manner, and the left side and the right side of the bottom of the knee lower bracket are respectively connected with one end of two first expansion frames, the other end of first expansion frame is connected with the one end side of locating lever I, two locating lever I all with the fixed assembly sliding connection of thigh, the knee lower tray the knee upper tray the fixed assembly of ankle with all install fixed assembly on the fixed assembly of thigh, locating lever I with the side of a location section of thick bamboo II all is equipped with joint, two joint all with the spacing assembly joint of stretching.
The knee protection assembly comprises a knee protection shell, two clamping ports, two clamping grooves and side shafts, wherein the knee protection shell is located between a knee lower bracket and a knee upper bracket, the two clamping ports are arranged at the front end and the rear end of the top of the knee protection shell, the clamping grooves are arranged on the left side and the right side of the front end and the rear end of the knee protection shell, the side shafts are arranged on the left side and the right side of the knee protection shell, and the side shafts are respectively connected with a connecting rod I and a connecting rod II in a rotating mode.
The dislocation prevention assembly comprises a dislocation prevention arc-shaped frame and a soft cushion, wherein the soft cushion is arranged on the inner side of the dislocation prevention arc-shaped frame, the outer side of the dislocation prevention arc-shaped frame is connected with one ends of two elastic connecting rods respectively, the elastic connecting rods are U-shaped rods, and the other ends of the elastic connecting rods are connected with the joint ports in a clamped mode.
The skin tensioning assembly comprises a skin tensioning belt, a clamping block, a hook and loop fastener female tape and elastic bands, the hook and loop fastener female tape is arranged at one end of the skin tensioning belt, the hook and loop fastener female tape is arranged at the other end of the skin tensioning belt, the side surface of the skin tensioning belt is connected with one end of each of the two elastic bands, the clamping block is arranged at the other end of each of the elastic bands, and the clamping block is clamped with the clamping groove.
The fixed assembly of ankle includes ankle bracket, second expansion frame, locating lever II, the bottom left and right sides of ankle bracket respectively with two the one end of second expansion frame is connected, the other end of second expansion frame with the one end side of locating lever II is connected, locating lever II with II sliding connection of a location section of thick bamboo.
The fixed assembly of thigh includes a location section of thick bamboo I and thigh bracket, the bottom left and right sides of thigh bracket respectively with two the one end side of a location section of thick bamboo I is fixed, a location section of thick bamboo I with I sliding connection of locating lever, the ankle bracket the knee lower carriage the knee upper bracket with the cross-section of thigh bracket is half-circular arc and radius and increases in proper order, the ankle bracket the knee lower carriage the knee upper bracket with the axis coincidence of thigh bracket.
The fixed assembly includes elastic webbing, spring bolt, hasp, the ankle bracket the knee lower carriage the knee upper bracket with the one end of thigh bracket respectively with four the one end of elastic webbing is connected, the other end of elastic webbing is equipped with the spring bolt, the ankle bracket the knee lower carriage the knee upper bracket with the other end of thigh bracket all is equipped with the hasp.
The positioning device is characterized in that an outer screw hole II is formed in the positioning barrel II, a positioning bolt II is connected with the inner thread of the outer screw hole II in an internal thread mode, inner screw holes II distributed at equal intervals are formed in the positioning rod II along the axis, the inner screw holes II correspond to the positions of the outer screw holes II and are identical in size, an outer screw hole I is formed in the positioning barrel I, a positioning bolt I is connected with the inner thread of the outer screw hole I in an internal thread mode, inner screw holes I distributed at equal intervals are formed in the positioning rod I along the axis, and the inner screw holes I correspond to the positions of the outer screw holes I and are identical in size.
It includes fixed plate, rotation head, joint section of thick bamboo, electric telescopic handle, switch, battery, the mouth that charges to bend to stretch spacing assembly, two the side of fixed plate is respectively through two rotate the head with two the one end of joint section of thick bamboo is rotated and is connected, a joint section of thick bamboo with joint, two pass through between the fixed plate electric telescopic handle connects, one install on the fixed plate the switch, another install respectively on the fixed plate the battery with the mouth that charges, the switch respectively with the battery with electric telescopic handle electric connection, the battery with the mouth electric connection that charges.
Two equal threaded connection has the lead screw in the screw on the fixed plate, two the one end that the lead screw was kept away from each other all is equipped with the knob, two the one end that the lead screw is close to each other all rotates and is connected with the movable plate, two sliding hole on the movable plate all with electric telescopic handle's flexible end sliding connection, two one side that the movable plate is close to each other all is fixed with the top piece.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
the knee joint ligament rupture rehabilitation training device for preventing flexion and extension injuries, which is disclosed by the invention, drives the fixed plate through the electric telescopic rod so as to drive the knee lower bracket and the knee upper bracket to change the direction while changing the distance, can drive a patient to carry out knee joint flexion and extension training and assist the patient to finish the training, drives the movable plate through the screw rod so as to limit the minimum length of the electric telescopic rod, so that the flexion and extension training degree can be adjusted in different rehabilitation stages according to different rehabilitation degrees of the patient, the flexion and extension training degree is very small at the beginning, the distance between the two movable plates is larger, the flexion angle is gradually increased along with the patient's condition rehabilitation, the distance between the two movable plates is reduced, the flexion angle of the patient can be accurately controlled in the process, the rehabilitation training effect is prevented from being weakened due to over-small angle, and the knee joint of the patient is prevented from being injured again due to over-large angle, make the patient carry out progressive rehabilitation training, be favorable to accelerating the patient is recovered, and alleviate patient rehabilitation training's burden and misery, on the other hand, accomplish the fixed of thigh and shank department through fixed assembly, make thigh and shank keep suitable position, prevent that the direction dislocation about knee joint department appears, through preventing that the dislocation assembly compresses tightly the joint dislocation of fore-and-aft direction when thigh and shank prevent the training, protect knee department through the knee, accidental bruising when avoiding rehabilitation training, prevent that the wound is impaired, can pull the skin of thigh and shank department to the knee joint through the taut assembly of skin, avoid the wound by pulling open when the training.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a rear side view of the present invention;
FIG. 3 is an enlarged schematic view of the structure at A of the present invention;
FIG. 4 is a schematic view of the knee upper bracket structure of the present invention;
FIG. 5 is a schematic structural view of a flexion-extension limiting assembly of the present invention;
FIG. 6 is a schematic view of a thigh securing assembly of the present invention;
FIG. 7 is a schematic view of an ankle cinching assembly according to the present invention;
FIG. 8 is a schematic view of a knee protection assembly of the present invention;
FIG. 9 is a schematic view of the skin stretching assembly of the present invention;
FIG. 10 is a schematic view of the anti-dislocation assembly of the present invention.
In the figure: 1. a dislocation prevention assembly; 101. the dislocation-preventing arc-shaped frame; 102. a soft cushion; 2. an ankle securement assembly; 201. an ankle bracket; 202. a second expandable frame; 203. a positioning rod II; 3. a knee protection assembly; 301. a knee armor; 302. a card interface; 303. a clamping groove; 304. a side shaft; 4. an elastic connecting rod; 5. a skin tightening assembly; 501. a skin tightening strap; 502. a clamping block; 503. magic tape female tape; 504. a magic tape; 505. elastic bands; 6. a flexion and extension limiting assembly; 601. a fixing plate; 602. rotating the head; 603. a clamping cylinder; 604. an electric telescopic rod; 605. a switch; 606. a knob; 607. a lead screw; 608. moving the plate; 609. a topsheet; 610. a battery; 611. a charging port; 7. fixing the assembly; 701. an elastic band; 702. a latch bolt; 703. locking; 8. a thigh securing assembly; 801. a positioning cylinder I; 802. a thigh bracket; 9. a positioning rod I; 10. a connecting rod I; 11. a connecting rod II; 12. a positioning cylinder II; 13. a main shaft; 14. a positioning bolt II; 15. an outer screw hole II; 16. a sub-knee cradle; 17. an inner screw hole I; 18. a knee upper bracket; 19. a first expandable frame; 20. a clamping head; 21. an outer screw hole I; 22. a positioning bolt I; 23. and an inner threaded hole II.
Detailed Description
The present invention will be explained in detail by the following examples, which are disclosed for the purpose of protecting all technical improvements within the scope of the present invention.
The knee joint ligament rupture rehabilitation training device for preventing flexion and extension injuries, which is described in conjunction with the accompanying drawings 1-10, comprises a knee lower bracket 16 and a knee upper bracket 18, wherein the left and right sides of the knee lower bracket 16 are respectively rotatably connected with one end side of two connecting rods II 11 through two main shafts 13, the left and right sides of the knee upper bracket 18 are respectively rotatably connected with one end side of two connecting rods I10 through another two main shafts 13, the other ends of the connecting rods I10 and II 11 are rotatably connected with a knee protection assembly 3, when fixing thighs and calves above and below a knee, a patient performs flexion and extension movements, the distance between the knee lower bracket 16 and the knee upper bracket 18 is changed, the angle is also changed, the knee is ensured to be always under the knee protection assembly 3, and the front and rear ends of the knee protection assembly 3 are both provided with dislocation prevention assemblies 1, prevent that ligament rupture patient knee joint from appearing the dislocation of fore-and-aft direction, the front and back both ends of knee protection assembly 3 all are connected with the taut assembly 5 of skin, prevent that knee department ligament wound from being pulled open, the bottom left and right sides of knee bracket 16 is fixed with the one end side of two location section of thick bamboo II 12 respectively, location section of thick bamboo II 12 and ankle fixed assembly 2 sliding connection, the bottom left and right sides of knee bracket 16 is connected with the one end of two first expansion frame 19 respectively, the other end of first expansion frame 19 is connected with the one end side of locating lever I9, two locating lever I9 all with thigh fixed assembly 8 sliding connection, because of the length difference of different patient's thigh and shank, to adjust the position of thigh fixed assembly 8 and ankle fixed assembly 2, thereby can adapt to different patients, knee bracket 16, knee upper bracket 18, ankle cover upper bracket 18, The fixed assembly 2 of ankle with all install fixed assembly 7 on the fixed assembly 8 of thigh, locating lever I9 with the side of a location section of thick bamboo II 12 all is equipped with joint 20, two joint 20 all with bend and stretch spacing assembly 6 joint.
The knee protection assembly 3 comprises a knee protection shell 301, a clamping interface 302, a clamping groove 303 and side shafts 304, wherein the knee protection shell 301 is located between the knee lower bracket 16 and the knee upper bracket 18, the front end and the rear end of the top of the knee protection shell 301 are respectively provided with two clamping interfaces 302, the left side and the right side of the front end and the right side of the rear end of the knee protection shell 301 are respectively provided with the clamping groove 303, the left side and the right side of the knee protection shell 301 are respectively provided with the side shafts 304, and the side shafts 304 are respectively connected with the connecting rod I10 and the connecting rod II 11 in a rotating mode, so that the knee is protected, the accident at the knee is prevented from being collided, and the wound is prevented from bleeding again.
Anti-dislocation assembly 1 includes anti-dislocation arc frame 101 and cushion 102, the inboard of anti-dislocation arc frame 101 is equipped with cushion 102, the outside of anti-dislocation arc frame 101 is connected with the one end of two elastic connection pole 4 respectively, elastic connection pole 4 is the U-shaped pole, elastic connection pole 4 the other end with joint mouth 302 joint pushes down thigh and shank, prevents dislocation around the joint of knee department.
The skin tensioning assembly 5 comprises a skin tensioning belt 501, a fixture block 502, a female magic tape 503, a female magic tape 504 and elastic bands 505, the female magic tape 504 is arranged at one end of the skin tensioning belt 501, the female magic tape 503 is arranged at the other end of the skin tensioning belt 501, the side surfaces of the skin tensioning belt 501 are respectively connected with one end of each of the two elastic bands 505, the fixture block 502 is arranged at the other end of each of the elastic bands 505, the fixture block 502 is clamped with the clamping groove 303 to tension the skin at the thigh and the shank to the knee, and the wound is prevented from being pulled open during rehabilitation exercise.
Fixed assembly 2 of ankle includes ankle bracket 201, second expansion frame 202, locating lever II 203, the bottom left and right sides of ankle bracket 201 respectively with two the one end of second expansion frame 202 is connected, the other end of second expansion frame 202 with the one end side of locating lever II 203 is connected, locating lever II 203 with II 12 sliding connection of a location section of thick bamboo, fixed ankle, the monolithic stationary is more firm.
The fixed assembly 8 of thigh is including a location section of thick bamboo I801 and thigh bracket 802, the bottom left and right sides of thigh bracket 802 respectively with two the one end side of a location section of thick bamboo I801 is fixed, a location section of thick bamboo I801 with I9 sliding connection of locating lever, ankle bracket 201 the knee lower bracket 16 bracket 18 on the knee with the cross-section of thigh bracket 802 is half-circular arc and radius and increases in proper order, ankle bracket 201 the knee lower bracket 16 bracket 18 on the knee with the axis coincidence of thigh bracket 802 improves fixity ability, and the device can not misplace.
The fixing assembly 7 includes an elastic band 701, a locking tongue 702, and a locking buckle 703, one end of the ankle bracket 201, the knee lower bracket 16, the knee upper bracket 18, and the thigh bracket 802 is connected to one end of four elastic bands 701, respectively, the other end of the elastic band 701 is provided with the locking tongue 702, and the other end of the ankle bracket 201, the knee lower bracket 16, the knee upper bracket 18, and the thigh bracket 802 is provided with the locking buckle 703.
Be equipped with outer screw II 15 on a location section of thick bamboo II 12, II 15 internal thread connections in outer screw have positioning bolt II 14, be equipped with equidistant distribution's interior screw hole II 23 along the axis on positioning lever II 203, interior screw hole II 23 with the position of II 15 in outer screw hole corresponds and the size is the same, be equipped with outer screw I21 on a location section of thick bamboo I801, the I21 internal thread connection in outer screw hole has positioning bolt I22, be equipped with equidistant distribution's interior screw hole I17 along the axis on the positioning lever I9, interior screw hole I17 with the position of outer screw I21 corresponds and the size is the same, adapts to the patient of different leg lengths, accomplishes fixedly after adjusting.
The flexion-extension limiting assembly 6 comprises fixing plates 601, rotating heads 602, clamping barrels 603, electric telescopic rods 604, switches 605, batteries 610 and charging ports 611, the side faces of the two fixing plates 601 are respectively connected with one ends of the two clamping barrels 603 in a rotating mode through the two rotating heads 602, the clamping barrels 603 are clamped with the clamping joints 20, the two fixing plates 601 are connected through the electric telescopic rods 604, one fixing plate 601 is provided with the switches 605, the other fixing plate 601 is provided with the batteries 610 and the charging ports 611, the switches 605 are respectively connected with the batteries 610 and the electric telescopic rods 604 in an electric mode, the batteries 610 are electrically connected with the charging ports 611, and the flexion-extension movement of a patient is assisted to help the recovery of the patient.
The utility model discloses a patient's rehabilitation training device, including two the screw hole on the fixed plate 601 all threaded connection has a lead screw 607, two the one end that the lead screw 607 kept away from each other all is equipped with knob 606, two the one end that the lead screw 607 is close to each other all rotates and is connected with movable plate 608, two the sliding hole on the movable plate 608 all with electric telescopic handle 604's flexible end sliding connection, two one side that the movable plate 608 is close to each other all is fixed with top piece 609, the biggest degree of bending the knee during adjustment patient's rehabilitation training to carry out rehabilitation training gradually in proper order.
In the embodiment 1, when the knee joint ligament rupture rehabilitation training device for preventing bending, stretching and pulling injuries is used, the leg of a patient extends into the rehabilitation training device, so that the knee is positioned in the knee protection assembly 3 to protect a ligament operation wound, meanwhile, the lower bracket 16 of the knee supports the uppermost end of the lower leg below the knee, the upper bracket 18 of the knee supports the lowermost end of the thigh above the knee, the lower bracket is covered by the elastic belt 701 and is clamped with the lock tongue 702 and the lock catch 703 to complete the fixing of the upper part and the lower part of the knee, the ankle fixing assembly 2 is pulled to enable the positioning rod II 203 to slide in the positioning cylinder II 12, the ankle fixing assembly 2 is adjusted to a proper position, the thigh fixing assembly 8 is pulled to enable the positioning cylinder I801 to slide along the positioning rod I9, the thigh fixing assembly 8 is adjusted to a proper position, the fixing of the ankle and the thigh is completed by the fixing assembly 7 on the positioning cylinder, so as to adapt to the leg length of different patients, when flexion and extension training is required, the two clamping cylinders 603 are clamped on the two clamping joints 20, the electric telescopic rod 604 is started to extend through the switch 605 and then contract, the distance between the knee lower bracket 16 and the knee upper bracket 18 is changed, the angle is changed at the same time, the connecting rod I10 and the connecting rod II 11 rotate along the side shaft 304, so that a patient is driven to perform knee flexion and extension movement to assist rehabilitation training, the two lead screws 607 are rotated through the knob 606, the two moving plates 608 move along the telescopic end of the electric telescopic rod 604, the distance between the two moving plates 608 is changed, the stroke length of the electric telescopic rod 604 during contraction is changed, when the two top plates 609 are contacted, the electric telescopic rod 604 cannot continue to contract, the minimum distance between the knee lower bracket 16 and the knee upper bracket 18 is changed, and the minimum included angle between the connecting rod I10 and the connecting rod II 11 is changed, the degree of making patient's the biggest knee of bending changes, adjust the degree of stretching according to patient's needs, through joint interface 302 joint elastic connecting rod 4, make two anti-dislocation arc framves 101 block the front side of thigh and shank respectively, prevent dislocation around patient's knee department joint, through joint groove 303 joint fixture block 502, fix two skin tensioning belt 501 in thigh and shank department respectively, paste female 503 and magic subsides son 504 through the magic and accomplish fixedly, and pull skin and the muscle of thigh and shank department to knee department through elastic cord 505.
While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.