CN115006198A - Orthopedic therapeutic instrument of shank - Google Patents

Abstract

The invention specifically discloses a leg orthopedic treatment instrument, which comprises a pedal; the trunk fixing device comprises a backup plate and a first binding part arranged on the backup plate; device is tempered to knee, including first backup pad, a pair of fixture and the actuating mechanism who is used for centre gripping patient knee respectively, fixture includes swing arm and lower swing arm, goes up the swing arm and all articulates in first backup pad with lower swing arm, and goes up the swing arm and all articulates with lower swing arm has the bracket, and the bracket is equipped with the second constraint portion that is used for the constraint to arrange thigh or shank on the bracket in, and the bracket all articulates in the round pin axle, and actuating mechanism is used for driving first round pin axle and keeps away from or be close to first backup pad. The first driving device is used for driving the first supporting plate and the backup plate to synchronously lift; and the position adjusting device is used for adjusting the distance between the first supporting plate and the backup plate. In order to replace artifical passive training patient, reduce artifical intensity of labour, expense cost, can avoid causing the secondary damage to the patient, effectively shorten recovered exercise cycle.

Description

Orthopedic therapeutic instrument of shank

Technical Field

The invention relates to the technical field of training equipment, in particular to a leg orthopedic treatment instrument.

Background

The knee joint rehabilitation training is the continuation of operation or non-operation treatment, and is an indispensable means for recovering various functions so as to prevent the joint contracture deformation.

At present, early training of knee joints of lower limbs of a human body is mainly assisted by medical workers to help patients to finish paint joint bending training and knee joint straightening training so as to realize free bending or straightening of the knee joints through training, the training process is long in time, the labor intensity of the medical workers is high, the cost is high, the requirements on related experience of the medical workers are high, and whether the knee joints are easily subjected to secondary injury due to misoperation is avoided;

in addition, earlier stage in the rehabilitation training, can't take exercise the bearing capacity of patient knee joint department, only can independently take exercise the bearing capacity of knee joint department when the patient supports through the foreign object and can stand to make the knee joint can adapt to self weight, thereby resume normal walking ability gradually, but the rehabilitation training cycle of this kind of mode is long, can't satisfy the demand that the patient wants quick recovered soon.

Disclosure of Invention

Aiming at the problems in the prior art, the invention aims to provide a leg orthopedic treatment instrument to replace manual passive training of a patient, reduce the labor intensity and cost of workers, avoid secondary damage to the patient, exercise the bearing capacity of the knee joint of the patient while realizing the bending exercise of a painted joint or the straightening exercise of the knee joint, and effectively shorten the rehabilitation exercise period.

In order to achieve the purpose, the technical scheme of the invention is as follows:

designing an orthopedic leg treatment apparatus comprising:

the pedal is used for being trampled by a patient and is provided with an instep fixing belt;

the trunk fixing device comprises a backup plate and a first binding part arranged on the backup plate, wherein the first binding part is used for binding the trunk of a patient leaning on the backup plate;

the knee exercising device comprises a first supporting plate, a pair of clamping mechanisms and a driving mechanism, wherein the clamping mechanisms are respectively used for clamping the knees of a patient, each clamping mechanism comprises an upper swing arm and a lower swing arm, the upper swing arms and the lower swing arms are hinged to the first supporting plate, the upper swing arms and the lower swing arms are hinged to brackets, the brackets are provided with second binding parts used for binding thighs or shanks arranged on the brackets, the brackets are hinged to first pin shafts, and the driving mechanism is used for driving the first pin shafts to be far away from or close to the first supporting plate;

the first driving device is used for driving the first supporting plate and the backup plate to synchronously lift;

and the position adjusting device is used for adjusting the distance between the first supporting plate and the backup plate.

Further, first drive arrangement is including the first lead screw and the first guide bar of vertical setting respectively and drive first lead screw pivoted drive division, install first swivel nut and the second swivel nut of being connected with backup plate and first backup pad respectively on the first lead screw, install first sliding sleeve and the second sliding sleeve of being connected with backup plate and first backup pad respectively on the first guide bar.

Further, the position adjusting device comprises a second lead screw which is vertically arranged, a second driving part for driving the second lead screw to rotate and a second supporting plate which is fixed on a second screw sleeve, the second lead screw is installed on the second supporting plate through a bearing seat, a third screw sleeve on the second lead screw is connected with the first supporting plate, and the second driving part is installed on the second supporting plate.

Furthermore, actuating mechanism includes reset spring, first rocking arm and the slide bar of level setting, the slide bar alternates in the third sliding sleeve on first backup pad, just the front end and the first round pin hub connection of slide bar, the rear end is articulated through first rocking arm and third swivel nut, just reset spring suit is in first guide bar, reset spring's both ends are contradicted with first sliding sleeve and second sliding sleeve respectively.

The clamping mechanism comprises a first pin shaft, a second pin shaft, a third pin shaft, a pair of first-stage sleeves sleeved on the first pin shaft, a first-stage sleeve and a first pin shaft in clearance fit, a bracket of each clamping mechanism is hinged to the same first-stage sleeve, an upper swing arm and a lower swing arm of each clamping mechanism are respectively connected with a second-stage sleeve sleeved on the second pin shaft and a third-stage sleeve sleeved on the third pin shaft in clearance fit, the second-stage sleeve is in clearance fit with the second pin shaft, the third-stage sleeve is in clearance fit with the third pin shaft, two ends of the second pin shaft and two ends of the third pin shaft are respectively fixed on first supporting plates, the first pin shaft, the second pin shaft and the third pin shaft are horizontally arranged, and the first pin shaft, the second pin shaft and the third pin shaft are parallel to each other.

Furthermore, the two ends of the first lead screw are connected with an eighth sliding sleeve and a fourth sliding sleeve which are sleeved on the first guide rod through an upper connecting plate and a lower connecting plate respectively, the first driving portion is fixed on the lower connecting plate, a first limiting nut is installed on the portion, provided with the external threads, of the lower end of the first guide rod, the first limiting nut is located below the fourth sliding sleeve, and a first telescopic spring is arranged between the first limiting nut and the fourth sliding sleeve.

The pressure adjusting device comprises a top frame positioned at the upper end of the first guide rod, the upper connecting plate is connected with a third lead screw of a fifth sliding sleeve inserted in the top frame in a penetrating mode, the fifth sliding sleeve is in sliding fit with the third lead screw, and two ends of a second expansion spring sleeved on the third lead screw are respectively abutted against the top frame and a second limiting nut arranged on the third lead screw.

Further, the bracket is arranged into a U-shaped supporting plate;

the first binding mechanism comprises a shoulder fixing belt and an abdomen fixing belt which are connected to the backup plate;

the second binding mechanism comprises a leg fixing belt fixed on the U-shaped supporting plate.

The ankle joint correcting device comprises a base and an angle adjusting mechanism, the rear end of the pedal is hinged to the base and is provided with a first hinge point, the backup plate is located above the rear end of the pedal, the angle adjusting mechanism is used for driving the pedal to rotate around the first hinge point, and the pedal is provided with an instep fixing belt;

the angle adjusting mechanism comprises a fourth screw rod extending from the rear end to the front end of the base and a third driving part driving the screw rod to rotate, a fourth threaded sleeve on the fourth screw rod is hinged with the lower end of a second rocker arm, the upper end of the second rocker arm is hinged with a first sliding block on a first sliding rail fixed on the lower side of the pedal, and the first sliding rail extends from the rear end of the pedal to the front end of the pedal;

the third driving part comprises a motor, and the motor, the fourth screw rod and the second rocker arm are all positioned in the inner cavity of the base;

the training device comprises a pull ring and a pull rope, one end of the pull rope is connected with the pull ring, and the other end of the pull rope bypasses a pulley block arranged on the top frame and then is connected with the front end of the pedal.

Furthermore, the lower end of the first guide rod is connected with a second sliding block on a second sliding rail extending along the axial direction of the third screw rod, the second sliding block is connected with a sixth sliding sleeve sleeved on the pull rod, the pull rod is inserted into a seventh sliding sleeve on the base and is connected with a fourth threaded sleeve, wherein a third limit nut is installed on the part, provided with the external thread, of the pull rod, the third limit nut is far away from the seventh sliding sleeve, and two ends of a third telescopic spring sleeved on the pull rod are respectively abutted against the sixth sliding sleeve and the third limit nut.

Compared with the prior art, the leg orthopedic treatment instrument provided by the invention has a distinctive structure and is convenient to operate, a patient stands on the pedal, the trunk of the patient is fixed on the back plate of which the height is adjusted by the first driving device through the first binding part, the knee joint of the patient is fixed on the clamping mechanism of which the height is adjusted by the position adjusting device through the second binding part, the foot is bound on the instep fixing belt, and then the first driving device and the driving mechanism are controlled to synchronously act so as to realize the bending action and the straightening action of the knee joint while driving the human body to ascend and descend, and the exercise of squatting action is simulated; in the lifting process of the backup plate and the first supporting plate, the feet of the patient always contact with the pedal, so that the knee joint of the patient can bear part of the body weight, the knee joint is stressed while the knee joint is bent and straightened, and the bearing exercise of the knee joint is completed;

this device can replace the manual work to carry out passive training to the patient, practices thrift the manpower, effectively reduces the expense, and reduces artifical intensity of labour to standardized mode training replaces artifical training by virtue of experience, avoids causing the secondary damage to the knee joint, and can realize taking exercise to the bearing capacity of patient knee joint department when lacquer joint bending exercise or knee joint straightening exercise, effectively shortens recovered exercise cycle, realizes patient's quick recovery.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a front view of an orthopedic leg treatment apparatus;

FIG. 2 is a left side view of an orthopedic leg treatment apparatus;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is an enlarged view of a portion of FIG. 1 at B;

FIG. 5 is an enlarged view of a portion of FIG. 1 at C;

in the figure: 1. the device comprises a base, 2, a pedal, 3, a pull rope, 4, an instep fixing band, 5, a leg fixing band, 6, a U-shaped supporting plate, 7, a lower swing arm, 8, a first pin shaft, 9, a sliding rod, 10, a third sliding sleeve, 11, an upper swing arm, 12, a first supporting plate, 13, an abdomen fixing band, 14, a shoulder fixing band, 15, a backup plate, 16, a pulley block, 17, a touch screen, 18, a top frame, 19, a pull ring, 20, a third screw rod, 21, a fifth sliding sleeve, 22, a second expansion spring, 23, a second limit nut, 24, an upper connecting plate, 25, a first screw rod, 26, a first screw sleeve, 27, a first sliding sleeve, 28, a reset spring, 29, a second screw sleeve, 30, a second supporting plate, 31, a third screw sleeve, 32, a second screw rod, 33, a first rocker arm, 34, a second sliding sleeve, 35, a first guide rod, 36, a lower connecting plate, 37, a first expansion spring, 38, a first limit nut, 39. the four-stage telescopic mechanism comprises a pull rod, 40 parts of a third limiting nut, 41 parts of a third telescopic spring, 42 parts of a second slide rail, 43 parts of a sixth slide sleeve, 44 parts of a seventh slide sleeve, 45 parts of a fourth screw sleeve, 46 parts of a second rocker arm, 47 parts of a first slide rail, 48 parts of a fourth screw rod, 49 parts of a first-stage sleeve, 50 parts of a fourth-stage sleeve, 51 parts of a third pin shaft, 52 parts of a third-stage sleeve, 53 parts of a second-stage sleeve and 54 parts of a second pin shaft.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 5, an orthopedic leg treatment apparatus as a preferred embodiment of the present invention comprises: the pedal 2 is used for a patient to step on, during training, the patient stands on the pedal 2, and the foot is bound to the foot fixing belt 4;

the trunk fixing device comprises a backup plate 15 and a first binding part arranged on the backup plate 15, wherein the first binding part is used for binding the trunk of a patient depending on the backup plate 15, namely, the upper body of the patient is fixed on the backup plate 15 by using the first binding part which can be disassembled and assembled so as to support the patient, and the upper body (trunk) of the patient can be lifted along with the backup plate 15;

the knee exercising device comprises a first supporting plate 12, a pair of clamping mechanisms and a driving mechanism, wherein the clamping mechanisms are respectively used for clamping the knees of a patient, specifically, the clamping mechanisms comprise an upper swing arm 11 and a lower swing arm 7, the upper swing arm 11 and the lower swing arm 7 are hinged to the first supporting plate 12, the upper swing arm 11 and the lower swing arm 7 are hinged to a bracket, the bracket is provided with a second binding part used for binding the thigh or the calf on the bracket, during operation, the bracket hinged to the lower swing arm 7 is used for supporting the part, close to the knee joint, of the calf of the patient, the bracket hinged to the upper swing arm 11 is used for supporting the part, close to the knee joint, of the thigh of the patient, the bracket is hinged to a first pin shaft 8, the first pin shaft 8 is horizontally arranged, the driving mechanism is used for driving the first pin shaft 8 to be far away from or close to the first supporting plate 12, and the driving mechanism is used for driving the first pin shaft 8 to horizontally move, change the distance between first round pin axle 8 and the first backup pad 12, and then drive the bracket and rotate around first round pin axle 8, change the angle between the bracket, change contained angle between thigh and the shank promptly to drive knee joint bending or straightening, and then realize carrying out lacquer joint bending exercise or knee joint straightening exercise to the knee joint alone, it is noted that the articulated department of bracket and first round pin axle 8 does not coincide with the articulated department of bracket and last swing arm 11 or lower swing arm 7.

The first driving device is used for driving the first supporting plate 12 and the backup plate 15 to synchronously lift and lower, and when in work, the first driving device is matched with the driving mechanism to act to drive the knee joint to bend or straighten, thereby simulating the squatting or standing movement of the human body and realizing the lacquer joint bending exercise or the knee joint straightening exercise of the knee joint, as the feet of the patient keep contacting the pedal 2, the knee joint can bear partial weight, and when the first driving device acts to drive the knee joint to do the lacquer joint bending exercise or the knee joint straightening exercise, realizes the bearing exercise of the knee joint, organically combines the bearing capacity exercise of the knee joint with the bending exercise of painted joints or the straightening exercise of the knee joint, and needs to be explained, the heights of the first supporting plate 12 and the backup plate 15 can be adjusted according to the height of the patient when the patient stands so as to adapt to the height of the patient, so that the backup plate 15 can be aligned and attached to the back of the patient;

the position adjusting device is used for adjusting the distance between the first supporting plate 12 and the backup plate 15 to adjust the distance between the clamping mechanism and the backup plate 15, so that the adaptability adjustment can be performed according to the different heights of the knee joints of different patients, and the universality is high.

When the leg orthopedic treatment instrument provided by the invention is applied, a patient stands on the pedal 2, the trunk of the patient is fixed on the backup plate 15 with the height adjusted by the first driving device through the first binding part, the knee joint of the patient is fixed on the clamping mechanism with the height adjusted by the position adjusting device through the second binding part, the foot is fixed through the foot fixing belt, and then the first driving device and the driving mechanism are controlled to synchronously act so as to realize the bending action and the straightening action of the knee joint while driving the human body to lift, and the exercise of the squatting action is simulated; in the lifting process of the backup plate 15 and the first support plate 12, the feet of the patient always contact the pedal 2, so that the knee joint of the patient can bear part of the body weight, the knee joint is stressed while the knee joint is bent and straightened, and the bearing exercise of the knee joint is completed, wherein the pedal 2, the backup plate 15 and the clamping mechanism bear the weight of the patient together;

this device can replace the manual work to carry out passive training to the patient, practices thrift the manpower, effectively reduces the expense, and reduces artifical intensity of labour to standardized mode training replaces artifical training by virtue of experience, avoids causing the secondary damage to the knee joint, and can realize taking exercise to the bearing capacity of patient knee joint department when lacquer joint bending exercise or knee joint straightening exercise, effectively shortens recovered exercise cycle, realizes patient's quick recovery.

On the basis of the above embodiment, the first driving device includes a first lead screw 25 and a first guide rod 35 that are vertically disposed respectively, and a first driving portion that drives the first lead screw 25 to rotate, a first screw sleeve 26 and a second screw sleeve 29 that are connected to the backup plate 15 and the first support plate 12 are installed on the first lead screw 25, a first sliding sleeve 27 and a second sliding sleeve 34 that are connected to the backup plate 15 and the first support plate 12 are installed on the first guide rod 35, and both the first sliding sleeve 27 and the second sliding sleeve 34 are in sliding fit with the first guide rod 35, that is, during operation, the first lead screw 25 is driven to rotate by the first driving portion, so that the first support plate 12 and the backup plate 15 can be driven to move along the first lead screw 25 by using the connection characteristics of the screw sleeves and the lead screw, specifically, the first driving portion may be a motor, and the motor is connected to the first lead screw 25 through a speed reducer.

On the basis of the above embodiment, the position adjusting device includes the second lead screw 32 vertically disposed, the second driving portion driving the second lead screw 32 to rotate, and the second support plate 30 fixed to the second screw sleeve 29, the second lead screw 32 is mounted on the second support plate 30 through a bearing seat, the third screw sleeve 31 on the second lead screw 32 is connected to the first support plate 12, and the second driving portion is mounted on the second support plate 30, specifically, the second driving portion is a motor, or in other embodiments, the second driving portion may be a hand wheel, so as to facilitate manual training.

On the basis of the above embodiment, the driving mechanism includes a return spring 28, a first rocker arm 33 and a horizontally arranged slide rod 9, the slide rod 9 is inserted into a third slide sleeve 10 on the first support plate 12, the third slide sleeve 10 is in sliding fit with the slide rod 9, the front end of the slide rod 9 is connected with two ends of a first pin shaft 8 through a three-fork arm, the rear end of the slide rod 9 is hinged with a third screw sleeve 31 through the first rocker arm 33, the return spring 28 is sleeved on a first guide rod 35, two ends of the return spring 28 respectively abut against the first slide sleeve 27 and a second slide sleeve 34, and specifically, the pin shaft is horizontally arranged and parallel to the first support plate 12;

it should be noted that, during operation, because the trunk and the knee joint of the patient are both fixed on the backup plate 15 and the clamping mechanism, when the first driving device drives the backup plate 15 and the second support plate 30 to descend, because the feet of the patient are blocked by the pedal 2, and the second screw sleeve 29 continues to descend, the distance between the first sliding sleeve 27 and the second sliding sleeve 34 is reduced, the return spring 28 is compressed, the first rocker arm 33 swings upward around the hinged position of the first rocker arm and the third screw sleeve 31 to drive the sliding rod 9 to slide along the third sliding sleeve 10, and further drive the first pin shaft 8 to be away from the first support plate 12, so as to change the included angle between the bracket connected to the upper swing arm 11 and the bracket connected to the lower swing arm 7, and complete the bending exercise of the knee joint; when the first driving device drives the backup plate 15 and the second support plate 30 to ascend, the second sliding sleeve 34 is driven to be away from the first sliding sleeve 27 under the action of the return spring 28, so as to recover the original distance between the first sliding sleeve 27 and the second sliding sleeve 34, and in the process, the second sliding sleeve 34 is away from the first sliding sleeve 27, so as to drive the first rocker arm 33 to swing downwards, so that the first pin shaft 8 is close to the first support plate 12, and the knee joint is straightened.

On the basis of the above embodiment, the device further includes a pair of first-stage sleeves 49 sleeved on the first pin 8, the first-stage sleeves 49 are in clearance fit with the first pin 8, so that the first-stage sleeves 49 can rotate around the axis of the first pin 8 and can slide along the first pin 8, the bracket of each clamping mechanism is hinged to the same first-stage sleeve 49, the upper swing arm 11 and the lower swing arm of each clamping mechanism are respectively connected with a second-stage sleeve 53 sleeved on the second pin 54 and a third-stage sleeve 52 sleeved on the third pin 51, the second-stage sleeve 53 is in clearance fit with the second pin 54, the third-stage sleeve 52 is in clearance fit with the third pin 51, two ends of the second pin 54 and the third pin 51 are fixed on the first supporting plate 12, wherein the first pin 8, the second pin 54 and the third pin 51 are horizontally arranged, and the first pin 8 is sleeved on the first pin 8, The second pin shaft 54 and the third pin shaft 51 are parallel to each other, that is, the above structure can realize that the clamping mechanism horizontally and transversely moves along the first pin shaft 8 or the first support plate 12 to adjust the distance between the pair of clamping mechanisms, thereby adapting to the leg spacing of different people, and the position of the clamping mechanism can be adjusted according to the leg spacing of patients during working.

More specifically, all the cover is equipped with a pair of level four sleeve 50 with the bracket connection on every one-level sleeve 49, one-level sleeve 49 and the 50 clearance fit of level four sleeve to realize the articulated of bracket and one-level sleeve 49, and the both ends threaded connection of one-level sleeve 49 has the fender ring, and is spacing with sleeve 50 to level four, avoids level four sleeve 50 to break away from one-level sleeve 49.

On the basis of the above embodiment, two ends of the first lead screw 25 are respectively connected to the eighth sliding sleeve and the fourth sliding sleeve sleeved on the first guide rod 35 through the upper connecting plate 24 and the lower connecting plate 36, and the first driving part is fixed to the lower connecting plate 36, so that the first lead screw 25 and the first driving part can slide along the first guide rod 35 in the vertical direction, wherein the part of the lower end of the first guide rod 35 provided with the external thread is provided with the first limit nut 38, the first limit nut 38 is located below the fourth sliding sleeve, so as to limit the minimum height of the backup plate 15 and the first support plate 12 through the first limit nut 38, and the minimum height of the backup plate 15 and the first support plate 12 can be adjusted by screwing the first limit nut 38, and the first expansion spring 37 is arranged between the first limit nut 38 and the fourth sliding sleeve, when in use, the trunk of the patient is fixed to the backup plate 15 only through the first binding part, need not first drive arrangement drive backup plate 15 and first backup pad 12 and go up and down, but independently squat the action exercise of rising through the patient, exercise device with drive knee, first drive arrangement and position adjustment device go up and down, thereby realize carrying out the weight training to the patient, patient's knee joint not only bears self weight promptly, but also bears the knee and tempers the device, the weight of first drive arrangement and position adjustment device, in order to accomplish the pressurization training to the knee joint, do benefit to the quick recovery of knee joint, and improve the bearing strength of knee joint.

For better technical effect, on the basis of the above implementation, the device further includes a pressure adjusting device, the pressure adjusting device includes a top frame 18 located at the upper end of the first guide rod 35, the upper connecting plate 24 is connected with a third screw rod 20 of a fifth sliding sleeve 21 inserted in the top frame 18, the third screw rod 20 is vertically disposed, the fifth sliding sleeve 21 is in sliding fit with the third screw rod 20, and two ends of a second expansion spring 22 sleeved on the third screw rod 20 respectively abut against second limit nuts 23 on the top frame 18 and the third screw rod 20, and the second limit nuts 23 are used for adjusting the compression amount of the second expansion spring 22, so as to change the downward pressure of the second expansion spring 22 on the upper connecting plate 24, further change the weight acting on the patient when the patient independently performs the squatting motion exercise, and adjust the compression amount of the second expansion spring 22 according to the actual physical condition of the patient.

On the basis of the embodiment, the bracket is provided with the U-shaped supporting plate 6, two ends of the U-shaped supporting plate 6 are respectively hinged with the swing arm and the pin shaft, and when the device works, the U-shaped supporting plate 6 is used for clamping the leg of a patient so as to limit the leg of the patient;

the first binding mechanism comprises a shoulder fixing belt 14 and an abdomen fixing belt 13 which are connected to the backup plate 15, specifically, in this embodiment, the number of the shoulder fixing belts 14 is a pair and are respectively fixed on two sides of the backup plate 15, the shoulder fixing belts 14 comprise a pair of first binding belts which are respectively fixed on the upper end and the lower end of the backup plate 15, the free ends of the pair of first binding belts are connected through a magic tape, and then the shoulder fixing belts 14 are used for fixing the shoulders of the patient;

above-mentioned belly fixed band 13 includes a pair of second bandage that is fixed in backup plate 15 both sides respectively, and the free end of a pair of second bandage passes through the magic and pastes the connection, utilizes belly fixed band 13 to fix patient's belly and antethorax, and then is fixed in backup plate 15 with patient's truck through shoulder fixed band 14 and belly fixed band 13.

The second constraint mechanism comprises a leg fixing band 5 fixed on the U-shaped supporting plate 6, the leg fixing band 5 comprises a third bandage fixed at one end of the U-shaped supporting plate 6, the free end of the third bandage is connected with the other side of the U-shaped supporting plate 6 through a belt buckle, when the leg fixing band works, the thigh or the calf of a patient is placed in the U-shaped supporting plate 6, then the free end of the third bandage is tensioned, and the thigh or the calf can be bound in the U-shaped supporting plate 6 to achieve the fixed purpose.

On the basis of the above embodiment, the ankle joint correcting device is further provided, which can correct and exercise the ankle joint, and comprises a base 1 and an angle adjusting mechanism, wherein the rear end of the pedal 2 is hinged to the base 1 and has a first hinge point, the backup plate 15 is located above the rear end of the pedal 2, the angle adjusting mechanism is used for driving the pedal 2 to rotate around the first hinge point, during the operation, the angle adjusting mechanism can be used for adjusting the inclination angle of the pedal 2, so that the pedal 2 forms a sloping plate for the patient to stand, namely, the ankle joint correcting plate, and the inclination angle of the pedal 2 can be selectively set according to the bearing capacity and the actual physical state of the patient, and is not particularly limited, and the back of the patient can be supported by the backup plate 15 to prevent the patient from falling down due to standing of the sloping plate, preferably, the pedal 2 is provided with an instep fixing belt 4, and two ends of the instep fixing belt 4 are connected with the pedal 2, forming a limiting hole for the foot to insert into so as to limit the posture of the foot;

it should be added that the adjustable inclination angle of the pedal 2 is utilized, and the self gravity is used for self-traction when a person stands naturally, so as to stretch the muscles of the lower leg, especially the triceps surae, relieve the tension of the lower leg, expand the range of motion of the ankle joint, and be used for reducing the tension of the lower limb, correcting the foot drop, the achilles tendon contracture, the foot varus, the foot valgus, the splayfoot and other occasions; in addition, the muscle of the knee joint can be exercised by stretching the quadriceps femoris and triceps surae of the knee joint by standing the inclined plate formed by the pedal 2, so that the strength and stability for recovering the knee joint can be improved, and the rehabilitation of the knee joint is facilitated.

More specifically, the angle adjusting mechanism comprises a fourth screw rod 48 extending from the rear end to the front end of the base 1 and a third driving part for driving the fourth screw rod 48 to rotate, the fourth screw rod 48 is horizontally arranged, a fourth screw sleeve 45 on the fourth screw rod 48 is hinged with the lower end of a second rocker arm 46, the upper end of the second rocker arm 46 is hinged with a first slider on a first slide rail 47 fixed on the lower side of the pedal 2, the first slide rail 47 extends from the rear end of the pedal 2 to the front end of the pedal 2, and the third driving part is used for driving the fourth screw sleeve 45 to move so as to drive the second rocker arm 46 to swing to adjust the inclination angle of the pedal 2;

wherein the third driving part comprises a motor, and the motor, the fourth lead screw 48 and the second rocker arm 46 are all located in the inner cavity of the base 1.

Preferably, the first slide rail 47 includes a strip fixed to the pedal 2, a long hole is formed in the length direction of the strip, a lock pin is slidably fitted in the long hole, the lock pin is inserted into the long hole, one end of the lock pin is hinged to the second rocker arm 46, the other end of the lock pin is connected to a lock nut, and the lock pin and the lock nut form the first slider.

On the basis of above-mentioned embodiment, still include tensile trainer of body, tensile trainer of body includes pull ring 19 and stay cord 3, the one end and the pull ring 19 of stay cord 3 are connected, the other end is connected with the front end of footboard 2 after bypassing the assembly pulley 16 that sets up on roof-rack 18, in operation, the accessible stands in this pull ring 19 of the both hands of the patient of footboard 2 pull down, rotate around first pin joint with driving footboard 2, make footboard 2 be in the slope, and then realize to temper patient's swash plate stand and take exercise patient's upper limbs and go on simultaneously, and need notice, the patient can be according to the bearing capacity adjustment of self.

In other embodiments, the pulley block 16 is a movable pulley block 16, so as to save labor and adapt to patients with weak upper limb strength, which is not limited herein.

On the basis of the above embodiment, the lower end of the first guiding rod 35 is connected to the second sliding block on the second sliding rail 42 extending along the axial direction of the third screw rod 20, the second sliding block is connected to the sixth sliding sleeve 43 sleeved on the outer end of the pull rod 39, the pull rod 39 is inserted into the seventh sliding sleeve 44 on the base 1, and the inner end of the pull rod 39 extends into the inner cavity of the base 1 and is connected to the fourth threaded sleeve 45, so that the pull rod 39 can move synchronously with the fourth threaded sleeve 45, wherein the portion of the pull rod 39 provided with the external thread is provided with the third limit nut 40, the third limit nut 40 is far away from the seventh sliding sleeve 44, the sixth sliding sleeve 43 is located between the seventh sliding sleeve 44 and the third limit nut 40, and both ends of the third telescopic spring 41 sleeved on the pull rod 39 are respectively connected to the sixth sliding sleeve 43 and the third limit nut 40, during operation, when the patient is in the initial stage of rehabilitation training, the pedal 2 can be adjusted to be in a lower gradient, the leg muscles are stretched at low strength, the third expansion spring 41 is at a lower compression amount, and the first guide rod 35 has a larger displacement amount far away from the base 1, when a patient cannot bear the tensile strength, the patient can drive the backup plate 15 to be far away from the base 1 through a backward tilting action, so that the tensile strength of the leg muscles is reduced/relieved, and the leg muscles are prevented from being pulled; and when the patient can bear great tensile strength at rehabilitation training later stage or patient's shank, adjustable footboard 2, make it be in great gradient, in order to increase the tensile strength to shank muscle, and third expanding spring 41 is in higher compressive capacity, and then first guide bar 35 has the less displacement volume of keeping away from base 1, thereby utilize backup plate 15 to the support of patient back, make it be in vertical state (standard state) in the health, realize injecing or correcting patient's gesture, guarantee the tensile training effect to shank muscle.

On the basis of the above embodiment, the first driving part, the second driving part and the third driving part are all electrically connected with the controller, the controller is connected with a control handle, a patient can operate the control handle to perform autonomous exercise, or the controller is electrically connected with the touch screen 17 arranged on the top frame 18, the patient can touch a graphic button on the screen to send an instruction to the controller, and the autonomous exercise can be also realized.

Preferably, can set up the tool to lock between footboard 2 and base 1 to when the exercise is stood to the non-swash plate, it is fixed with footboard 2 and base 1, avoid rocking, guarantee stability.

Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. An orthopedic leg treatment apparatus, comprising:

the pedal (2) is used for a patient to step on, and the pedal (2) is provided with an instep fixing belt (4);

the trunk fixing device comprises a backup plate (15) and a first binding part arranged on the backup plate (15), wherein the first binding part is used for binding the trunk of a patient leaning on the backup plate (15);

the knee exercising device comprises a first supporting plate (12), a pair of clamping mechanisms and a driving mechanism, wherein the clamping mechanisms are respectively used for clamping the knees of a patient, each clamping mechanism comprises an upper swing arm (11) and a lower swing arm (7), the upper swing arms (11) and the lower swing arms (7) are hinged to the first supporting plate (12), the upper swing arms (11) and the lower swing arms (7) are hinged to brackets, each bracket is provided with a second binding part used for binding thighs or shanks arranged on the bracket, the brackets are hinged to first pin shafts (8), and the driving mechanism is used for driving the first pin shafts (8) to be far away from or close to the first supporting plate (12);

the first driving device is used for driving the first supporting plate (12) and the backup plate (15) to synchronously lift;

and the position adjusting device is used for adjusting the distance between the first supporting plate (12) and the backup plate (15).

2. The orthopedic leg treatment apparatus according to claim 1, characterized in that the first driving device comprises a first lead screw (25) and a first guide rod (35) which are vertically arranged and a first driving part for driving the first lead screw (25) to rotate, the first lead screw (25) is provided with a first threaded sleeve (26) and a second threaded sleeve (29) which are respectively connected with the backup plate (15) and the first support plate (12), and the first guide rod (35) is provided with a first sliding sleeve (26) and a second sliding sleeve (34) which are respectively connected with the backup plate (15) and the first support plate (12).

3. The orthopedic leg treatment apparatus according to claim 2, characterized in that the position adjusting device comprises a second lead screw (32) vertically arranged, a second driving part for driving the second lead screw (32) to rotate, and a second support plate (30) fixed to a second screw sleeve (29), the second lead screw (32) is mounted to the second support plate (30) through a bearing seat, a third screw sleeve (31) on the second lead screw (32) is connected to the first support plate (12), and the second driving part is mounted to the second support plate (30).

4. The leg orthopedic treatment instrument according to claim 3, characterized in that the driving mechanism comprises a return spring (28), a first rocker (33) and a horizontally arranged slide rod (9), the slide rod (9) is inserted into a third sliding sleeve (10) on the first support plate (12), the front end of the slide rod (9) is connected with the first pin (8), the rear end of the slide rod is hinged with the third threaded sleeve (31) through the first rocker (33), the return spring (28) is sleeved on a first guide rod (35), and the two ends of the return spring (28) respectively abut against the first sliding sleeve (27) and the second sliding sleeve (34).

5. The orthopedic leg treatment apparatus according to claim 4, characterized in that the orthopedic leg treatment apparatus further comprises a pair of primary sleeves (49) sleeved on the first pin (8), the primary sleeves (49) and the first pin (8) are in clearance fit, the brackets of each clamping mechanism are hinged to the same primary sleeve (49), the upper swing arm (11) and the lower swing arm (7) of each clamping mechanism are respectively connected with a secondary sleeve (53) sleeved on the second pin (54) and a tertiary sleeve (52) sleeved on the third pin (51), the secondary sleeve (53) and the second pin (54) are in clearance fit, the tertiary sleeve (52) and the third pin (51) are in clearance fit, and both ends of the second pin (54) and the third pin (51) are fixed on the first support plate (12), wherein the first pin (8), The second pin shaft (54) and the third pin shaft (51) are horizontally arranged, and the first pin shaft (8), the second pin shaft (54) and the third pin shaft (51) are parallel to each other.

6. The orthopedic leg treatment instrument according to claim 5, characterized in that both ends of the first lead screw (25) are respectively connected with an eighth sliding sleeve and a fourth sliding sleeve which are sleeved on the first guide rod (35) through an upper connecting plate (24) and a lower connecting plate (36), and the first driving part is fixed on the lower connecting plate (36), wherein a first limit nut (38) is installed on the part of the lower end of the first guide rod (35) which is provided with the external thread, the first limit nut (38) is located below the fourth sliding sleeve, and a first expansion spring (37) is arranged between the first limit nut (38) and the fourth sliding sleeve.

7. The orthopedic leg treatment apparatus according to claim 6, characterized in that the orthopedic leg treatment apparatus further comprises a pressure adjusting device, the pressure adjusting device comprises an upper frame (18) located at the upper end of the first guide rod (35), the upper connecting plate (24) is connected with a third screw (20) of a fifth sliding sleeve (21) inserted on the upper frame (18), the fifth sliding sleeve (21) and the third screw (20) are in sliding fit, and two ends of a second expansion spring (22) sleeved on the third screw (20) respectively interfere with a second limit nut (23) on the upper frame (18) and the third screw (20).

8. The orthopaedic leg treatment apparatus according to claim 1, wherein the bracket is provided as a U-shaped tray (6);

the first binding mechanism comprises a shoulder fixing belt (14) and an abdomen fixing belt (13) which are connected to a backup plate (15);

the second binding mechanism comprises a leg fixing belt (5) fixed on the U-shaped supporting plate (6).

9. The orthopedic leg treatment apparatus according to claim 1, characterized by further comprising an ankle joint correcting device including a base (1) and an angle adjusting mechanism, wherein the rear end of the pedal (2) is hinged to the base (1) and has a first hinge point, the backup plate (15) is located above the rear end of the pedal (2), and the angle adjusting mechanism is used for driving the pedal (2) to rotate around the first hinge point;

the angle adjusting mechanism comprises a fourth screw rod (48) extending from the rear end to the front end of the base (1) and a third driving part driving the fourth screw rod (48) to rotate, a fourth threaded sleeve (45) on the fourth screw rod (48) is hinged with the lower end of a second rocker arm (46), the upper end of the second rocker arm (46) is hinged with a first sliding block on a first sliding rail (47) fixed on the lower side of the pedal (2), and the first sliding rail (47) extends from the rear end of the pedal (2) to the front end of the pedal (2);

the third driving part comprises a motor, and the motor, a fourth screw rod (48) and a second rocker arm (46) are all positioned in an inner cavity of the base (1);

still include the tensile trainer of body, the tensile trainer of body includes pull ring (19) and stay cord (3), the one end and the pull ring (19) of stay cord (3) are connected, and the other end is walked around and is set up pulley block (16) on roof-rack (18) after and be connected with the front end of footboard (2).

10. The orthopedic leg treatment apparatus according to claim 9, characterized in that the lower end of the first guide rod (35) is connected with a second slide block on a second slide rail (42) extending along the axial direction of the third lead screw (20), the second slide block is connected with a sixth slide sleeve (43) sleeved on the pull rod (39), the pull rod (39) is inserted into a seventh slide sleeve (44) on the base (1), and the pull rod (39) is connected with a fourth screw sleeve (45), wherein the part of the pull rod (39) provided with the external thread is provided with a third limit nut (40), the third limit nut (40) is far away from the seventh slide sleeve (44), and two ends of a third telescopic spring (41) sleeved on the pull rod (39) respectively interfere with the sixth slide sleeve (43) and the third limit nut (40).

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