CN113599180A

CN113599180A - Osteonecrosis postoperative rehabilitation tempers device

Info

Publication number: CN113599180A
Application number: CN202110885343.0A
Authority: CN
Inventors: 王勤俭
Original assignee: Henan Hospital Traditional Chinese Medicine Second Affiliated Hospital of Henan University of Traditional Chinese Medicine TCM
Current assignee: Henan Hospital Traditional Chinese Medicine Second Affiliated Hospital of Henan University of Traditional Chinese Medicine TCM
Priority date: 2021-08-03
Filing date: 2021-08-03
Publication date: 2021-11-05

Abstract

A rehabilitation exercise device after osteonecrosis solves the problems of single function, complexity, trouble, time and labor waste of the exercise and reduces the active exercise of the patient; the bed body with adjustable it is including, a housing, be equipped with first ring in the casing, the outer rigid coupling of first ring has first pivot, the adversion of first ring has the second ring, the rigid coupling has the second pivot in the second ring, the rigid coupling has the driven piece in the second pivot, be equipped with the guide slot on the driven piece, sliding connection drive frame in the guide slot, the rigid coupling has two locating pieces in the second pivot, the rigid coupling has the cylinder pipe on every locating piece, the intraductal lifter that all overlaps of every cylinder is equipped with, the casing bottom is equipped with first carousel, the rigid coupling has first driving motor and two reference columns on the first carousel, it has first gear to connect on every reference column, first gear and lifter spiro union, first driving motor rigid coupling has the second gear, the upper end rigid coupling of two lifters has the rack of foot, the cover is equipped with the semicircle ring in the first pivot, semicircle ring and casing horizontal sliding connection.

Description

Osteonecrosis postoperative rehabilitation tempers device

Technical Field

The invention belongs to the technical field of medical auxiliary instruments, and particularly relates to a rehabilitation exercise device after osteonecrosis.

Background

Femoral head necrosis, also known as avascular necrosis of the femoral head, is one of the common osteoarthropathies. The main symptoms of the traditional Chinese medicine gradually progress from indirect pain to persistent pain, muscle spasm is caused by the pain, joint movement is limited, and severe disabling and lameness are caused finally. The most conventional treatment mode of femoral head necrosis is surgical treatment, postoperative rehabilitation is very important, and the postoperative rehabilitation mainly follows a comprehensive principle and needs to run through the whole rehabilitation process. The hip joint is the main bearing part of the human body and has high flexibility, so whether the peripheral muscles are strong or not directly influences the flexibility and the stability of the joint.

The functional training has a very effect on relieving pain, the force inside the joint can be uniformly distributed by the functional training, the cartilage regeneration is accelerated, the activity is changed, the load intensity of bones is improved, the blood circulation of lower limbs can be increased by the training of muscle strength, the formation of thrombus is reduced, and the occurrence of complications is reduced.

The heavy burden of the minimize shank when femoral head necrosis patient postoperative trains, and rehabilitation training is a long-term process of insisting on, patient postoperative lies when carrying out rehabilitation training through some simple training apparatus on the sick bed, the function singleness of training, if when obtaining preceding training, need use the training utensil of multiple difference, loaded down with trivial details trouble, waste time and energy, and the training utensil is placed inconvenient nursing work that carries out other to the patient on the sick bed, nursing staff's working strength has been increased, the enthusiasm that the patient took exercise has also been reduced.

Disclosure of Invention

Aiming at the technical problems, the invention provides a rehabilitation exercise device after osteonecrosis, which solves the problems that the training function is single, a plurality of different training appliances are needed, the training appliances are complicated and troublesome, time and labor are wasted, the training appliances are placed on a sickbed, other nursing work is inconvenient for a patient, the working strength of nursing personnel is increased, and the exercise of the patient is also reduced.

In order to achieve the above object, the present invention provides the following technical solutions; the bed comprises a bed body, a seat board is fixedly connected in the middle of the bed body, a supporting frame with adjustable height is arranged at the front end of the seat board, a cover plate is rotatably connected at the front end of the supporting frame, an angle-adjustable back plate is arranged behind the seat board, a shell is fixedly connected to the bed body, the shell is arranged below the cover plate, a first circular ring is arranged in the shell, a first rotating shaft penetrating through the circle center of the first circular ring is fixedly connected to the outer part of the first circular ring, a second circular ring is rotatably connected to the inner part of the first circular ring, a second rotating shaft penetrating through the circle center of the second circular ring is fixedly connected to the inner part of the second circular ring, a driven block perpendicular to the driven block is fixedly connected to the second rotating shaft, a guide groove arranged along the axial direction of the driven block is arranged on the driven block, a driving pin is slidably connected to the guide groove, and a driving frame capable of moving left and right is fixedly connected to the driving pin, the utility model discloses a lifting device, including first pivot, second pivot, first drive motor, the first drive motor of fixedly connected with, the first drive motor of first drive motor, the first drive motor of second drive motor, the second drive motor of second drive motor, the locating piece of two central symmetries of fixedly connected with, the cylinder pipe of the vertical setting of all fixedly connected with on every locating piece, every cylinder intraductal all overlaps and is equipped with the lifter, the bottom of casing is equipped with the first carousel of reciprocating rotation, the reference column of the first drive motor's of fixedly connected with and two central symmetries on the first carousel, the vertical sliding connection of lifter and reference column one-to-one, the upper end of every reference column all rotates and is connected with first gear, first gear and lifter threaded connection, the output fixedly connected with of first drive motor and two second gears of first gear meshing, two the upper end fixedly connected with foot rack of lifter, the cover is equipped with the semicircle ring in the first pivot, semicircle ring and casing horizontal sliding connection.

Preferably, the coaxial rigid coupling of lower extreme of first carousel has the pinion, the pinion meshing has the gear wheel, the coaxial rigid coupling of gear wheel has first worm wheel, first worm wheel rotates with the casing to be connected, first worm wheel meshing has the first worm of being connected with the casing rotation, but first worm reciprocating motion.

Preferably, the driving frame is fixedly connected with a driven rack, the driven rack is meshed with a straight gear, the straight gear is coaxially and fixedly connected with a second worm gear rotatably connected with the shell, and the second worm gear is meshed with a second worm rotatably connected with the shell.

Preferably, be equipped with clutching mechanism between first worm and the second worm, clutching mechanism include with casing horizontal sliding connection's slide, it is connected with intermeshing's driving gear and driven gear to rotate on the slide, the coaxial rigid coupling of driven gear has the driven shaft, the driven shaft cover is established in the inside of first worm, second worm, the right-hand member of first worm is equipped with first spline groove, the left end of second worm is equipped with the second spline groove, fixedly connected with can with first spline groove complex first spline and can with second spline groove complex second spline on the driven shaft, the coaxial rigid coupling of driving gear has second driving motor, second driving motor fixed mounting is on the slide.

Preferably, the rear end of the cover plate is rotatably connected with a reciprocating gear, the left end and the right end of the reciprocating gear are respectively meshed with a reciprocating rack, each reciprocating rack is fixedly connected with a foot support frame, each foot support frame is vertically and slidably connected with the cover plate, and a compression spring is fixedly connected between each foot support frame and the cover plate.

Preferably, the front end of backup plate rotates with the bed body to be connected, the lower extreme of backup plate articulates there is the bracing piece, the one end that the backup plate was kept away from to the bracing piece articulates there is the slider, it is connected with the regulation lead screw to rotate on the bed body, slider and regulation lead screw threaded connection.

Preferably, be equipped with two bilateral symmetry's guardrail on the bed body, spout on the guardrail, the spout includes horizontal slot, chute and vertical groove, vertical groove is less than horizontal slot, and sliding connection has first slide bar and second slide bar in two spouts, common rigid coupling has the panel on first slide bar and the second slide bar, both ends threaded connection all has lock nut about first slide bar and the second slide bar.

Preferably, the sliding seat is connected with a first lead screw in a threaded manner, and the first lead screw is rotatably connected with the shell.

Preferably, the middle of the foot placing frame is fixedly connected with a separation block, a first sliding block is connected in the separation block in a front-back sliding mode, a first spring is fixedly connected between the first sliding block and the separation block, pedals are hinged to the left side and the right side of the foot placing frame, a second connecting rod is hinged to each pedal, and one end, far away from the pedals, of each second connecting rod is hinged to the first sliding block.

Compared with the prior art, the invention has the beneficial effects that: the device has complete functions, is convenient to store when not used, and does not influence the daily care of patients; the training is convenient, the limb exercise can be carried out after the cover plate is opened, the upper and lower knee bending exercise, the ankle twisting exercise, the translation exercise of the two legs, the upper and lower leg lifting exercise and the like can be obtained when the two feet of the patient are placed on the foot supporting frame, and the training amplitude can be adjusted and positioned; the posture of the patient can be adjusted by adjusting the angle of the backup plate and the height of the support frame, so that the patient can exercise in different forms, and the exercise comfort of the patient is enhanced; can improve the load intensity of bone through this device, increase the blood circulation of low limbs, reduce the emergence of thrombus and complication, the training function is comprehensive, and labour saving and time saving has reduced nursing staff's working strength, has improved patient's enthusiasm, makes patient can be long-term lasting insist on taking exercise.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the whole structure of the back plate and the cover plate after being lifted.

Fig. 3 is a schematic view showing the overall structure of the casing and its internal structure of the present invention.

Fig. 4 is an overall structural view of the internal structure of the housing of the present invention.

Fig. 5 is a schematic structural view of the second ring driven by the reciprocating motion of the driving frame or the reciprocating motion of the driving frame itself after the angle of the second ring is adjusted according to the present invention.

FIG. 6 is a schematic view of the foot rest of the present invention showing the adjustment of the height of the foot rest.

Fig. 7 is a schematic structural view of the connection of the second circular ring, the first circular ring and the semicircular ring of the present invention.

Fig. 8 is an exploded view of the second ring, the first ring and the semicircular ring connection structure of the present invention.

Fig. 9 is a schematic view of the overall structure of the clutch mechanism of the present invention.

Fig. 10 is a schematic structural view of the second ring of the present invention after being angularly adjusted to cooperate with the driving frame.

FIG. 11 is an exploded view of the pedal of the present invention engaged with a foot rest.

FIG. 12 is a schematic view of the overall structure of the pedal of the present invention connected to the foot rest.

Fig. 13 is a schematic structural view of the panel of the present invention locked after being adjusted by the locking nut.

Fig. 14 is a schematic view of the overall construction of the barrier and chute of the present invention.

Fig. 15 is a schematic structural view of the leg exercise device with two foot supports after the cover plate is lifted.

In the figure: 1-bed body, 2-seat plate, 3-support frame, 4-cover plate, 5-back plate, 6-shell, 7-first circular ring, 8-first rotating shaft, 9-second circular ring, 10-second rotating shaft, 11-driven block, 12-guide groove, 13-drive pin, 14-drive frame, 15-positioning block, 16-cylindrical tube, 17-lifting rod, 18-first rotating disc, 19-first drive motor, 20-positioning column, 21-first gear, 22-second gear, 23-foot placing frame, 24-semicircular ring, 25-pinion, 26-bull gear, 27-first worm gear, 28-first worm, 29-driven gear, 30-straight gear, 31-second worm gear, 32-second worm, 33-sliding seat, 34-driving gear, 35-driven gear, 36-driven shaft, 37-first spline, 38-second spline, 39-second driving motor, 40-reciprocating gear, 41-reciprocating rack, 42-foot support frame, 43-compression spring, 44-supporting rod, 45-sliding block, 46-adjusting screw rod, 47-guardrail, 48-sliding groove, 4801-horizontal groove, 4802-sliding groove, 4803-vertical groove, 49-first sliding rod, 50-second sliding rod, 51-panel, 52-locking nut, 53-first screw rod, 54-separating block, 55-first sliding block, 56-first spring, 57-pedal and 58-second connecting rod.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

Referring to fig. 1-15, the invention comprises a bed body 1, a seat plate 2 is fixedly connected in the middle of the bed body 1, a supporting frame 3 with adjustable height is arranged at the front end of the seat plate 2, a cover plate 4 is rotatably connected at the front end of the supporting frame 3, an angle-adjustable back plate 5 is arranged behind the seat plate 2, a shell 6 is fixedly connected on the bed body 1, the shell 6 is arranged below the cover plate 4, a first circular ring 7 is arranged in the shell 6, a first rotating shaft 8 penetrating through the circle center of the first circular ring 7 is fixedly connected to the outside of the first circular ring 7, a second circular ring 9 is rotatably connected to the inside of the first circular ring 7, a second rotating shaft 10 penetrating through the circle center of the second circular ring 9 is fixedly connected to the inside of the second circular ring 9, a driven block 11 perpendicular to the second rotating shaft 10 is fixedly connected to the driven block 11, a guide groove 12 is arranged on the driven block 11 along the axial direction thereof, a driving pin 13 is slidably connected in the guide groove 12, a driving frame 14 capable of moving left and right is fixedly connected on the driving pin 13, two centrosymmetric positioning blocks 15 are fixedly connected on the second rotating shaft 10, a vertically arranged cylindrical tube 16 is fixedly connected on each positioning block 15, a lifting rod 17 is sleeved in each cylindrical tube 16, a first rotating disc 18 capable of rotating in a reciprocating manner is arranged at the bottom of the shell 6, a first driving motor 19 and two centrosymmetric positioning columns 20 are fixedly connected on the first rotating disc 18, the lifting rods 17 are in one-to-one vertical sliding connection with the positioning columns 20, a first gear 21 is rotatably connected at the upper end of each positioning column 20, the first gear 21 is in threaded connection with the lifting rod 17, a second gear 22 meshed with the two first gears 21 is fixedly connected at the output end of the first driving motor 19, and foot placing frames 23 are fixedly connected at the upper ends of the two lifting rods 17, the first rotating shaft 8 is sleeved with a semicircular ring 24, and the semicircular ring 24 is connected with the shell in a sliding mode from left to right.

The patient should lie on the sick bed to recover after the operation, and in the process, the patient cannot walk on the ground, but also needs to exercise the limbs to promote the recovery of the limb function and muscle strength; during exercise, as shown in fig. 2, the back plate 5 can be lifted, the support frame 3 falls, the buttocks of the patient sits on the seat plate 2, so that the patient keeps a sitting posture, then the cover plate 4 is lifted from the support frame 3 and fixed, the shell 6 is exposed, and the feet of the patient can be placed on the foot placing frame 23 for lower limb training;

(I) performing knee bending up and down on the legs, as shown in FIG. 6, putting the feet of the patient on a foot placing frame 23, starting a first driving motor 19, driving a second gear 22 to rotate by the first driving motor 19, driving two first gears 21 to synchronously rotate in the same direction by a second gear 2, forming a screw nut structure by the first gears 21 and a lifting rod 17, when the two first gears 21 synchronously rotate, synchronously lifting or falling two lifting rods 17 and driving the foot placing frame 23 to lift or fall, and when the foot placing frame 23 lifts, bending the lower limbs of the patient upwards; when the first driving motor 19 of reversal, patient's low limbs whereabouts, the screw nut structure that first gear 21 and lifter 17 constitute has the auto-lock nature, all can remain stable state when foot rack 23 rises or falls to any height, and the screw thread pitch that sets up on the lifter 17 is little, and at the continuous pivoted in-process of first gear 21, foot rack 23 goes up and down slowly, has guaranteed the gentle of taking exercise, avoids causing the damage to the patient.

And (II) twisting exercise of the ankle, firstly, adjusting the position of the driving frame 14 to enable the driving pin 13 to be located at the circle center position of the second circular ring 9, then locking the position of the driving frame 14, enabling the first rotating disc 18 to rotate in a reciprocating mode and drive the foot placing frame 23 to rotate in a reciprocating mode through the positioning column 21 and the lifting rod 17, enabling the two feet of a patient to be placed on the foot placing frame 23 to do twisting exercise of the ankle, and enabling the semi-circular ring 24 to have no displacement.

(III) the translation training of both legs, a placing plate is fixedly connected to the semicircular ring 24, both feet of a patient are placed on the placing plate, the first rotating disc 18 can drive the positioning block 15 to rotate through the matching of the lifting rod 17 and the cylindrical pipe 16 when rotating in a reciprocating manner, the positioning block 15 drives the second circular ring 9 to rotate through the matching with the second rotating shaft 10, at the moment, the position of the driving frame 14 is adjusted to enable the driving pin 13 to be in the eccentric position of the second circular ring 9, when the second circular ring 9 rotates, the driven block 11 also rotates along with the rotation, when the driven block 11 rotates, the guide groove 12 inclines and the driving pin 13 is matched with the driving pin, at the moment, the second rotating shaft 10 slides with the positioning block 15, so that the second circular ring 9 also needs to move in the front and back direction, the second circular ring 9 drives the first circular ring 7 to move in the same direction, the front and back movement of the first circular ring 7 drives the first rotating shaft 8 and the semicircular ring 24 to slide in the front and back direction, and the left and right movement of the first circular ring 7 drives the semicircular ring 24 to move in the left and right direction on the shell 6, at the moment, the lower limbs of the patient can be subjected to translation training; the further the drive pin 13 is from the centre of the second ring 9, the greater the amount of translation of the patient's leg.

(IV) lift the leg exercise from top to bottom, backplate 5 can fall and be the horizontality this moment, and the patient lies on backplate 5 and bedplate 2, and on foot rack 23 was put to the both legs, initial condition, foot rack 23's height was adjusted to flush with bedplate 2, then lifts the exercise that can lift when can carrying out the both legs to the patient at control foot rack 23.

As shown in fig. 9, in order to realize angle adjustment or reciprocating rotation of the first rotating disk 8 and ensure that the angle of the first rotating disk 8 can be locked after being adjusted to any angle, a pinion 25 is coaxially and fixedly connected to the lower end of the first rotating disk 8, a gearwheel 26 is meshed with the pinion 25, a first worm wheel 27 is coaxially and fixedly connected to the gearwheel 26, the first worm wheel 27 is rotatably connected to the housing 6, a first worm 28 rotatably connected to the housing 6 is meshed with the first worm wheel 27, and the first worm 28 can rotate in a reciprocating manner.

The reciprocating rotation of first worm 28 can drive first worm wheel 27 and the gear wheel 26 rotation reciprocating motion with first worm wheel 27 rigid coupling, gear wheel 26 drives pinion 25 reciprocating rotation simultaneously, finally, drive the reciprocating rotation of first carousel 8 through pinion 25, the worm gear structure has auto-lock nature, be in stable condition after the angle modulation of first carousel 8, the patient both feet are fixed to foot rack 23 on, the ankle wrench movement that can carry out certain angle keeps fixed, the ankle also can drive the ankle through the reciprocating rotation of first worm 28 and carry out reciprocal wrench movement.

Further, in order to realize the adjustment of the left and right positions of the driving frame 14 and to lock the driving frame after the adjustment, a driven rack 29 is fixedly connected to the driving frame 14, a straight gear 30 is meshed with the driven rack 29, a second worm wheel 31 rotatably connected with the housing 6 is coaxially fixedly connected to the straight gear 30, and a second worm 32 rotatably connected with the housing 6 is meshed with the second worm wheel 31.

When the left and right positions of the driving frame 14 are adjusted, the second worm 32 can be rotated, the second worm 32 drives the second worm wheel 21 and the straight gear 30 fixedly connected with the second worm wheel 21 to rotate, the straight gear 30 drives the driven rack 29 to be adjusted left and right, so that the position of the driving frame 14 is adjusted, and the adjusted driving frame 14 is in a stable state through the self-locking performance of the worm wheel and the worm.

Be equipped with clutching mechanism between first worm 28 and the second worm 32, clutching mechanism includes slide 33 with 6 horizontal sliding connection of casing, it is connected with intermeshing's driving gear 34 and driven gear 35 to rotate on slide 33, the coaxial rigid coupling of driven gear 35 has driven shaft 36, driven shaft 36 cover is established in the inside of first worm 28, second worm 32, the right-hand member of first worm 28 is equipped with first spline groove, the left end of second worm 32 is equipped with the second spline groove, fixedly connected with can with first spline groove complex first spline 37 and can with second spline groove complex second spline 38 on the driven shaft 36, the coaxial rigid coupling of driving gear 34 has second driving motor 39, second driving motor 39 fixed mounting is on slide 33.

Wherein, a first lead screw 53 is connected to the slide carriage 33 through a thread, and the first lead screw 53 is rotatably connected to the housing 6.

When the rotation of the second worm 32 needs to be realized, the first lead screw 53 can be rotated, the first lead screw 53 and the slide seat 33 form a lead screw nut structure, when the first lead screw 53 is rotated in the forward direction, the slide seat 33 moves rightwards, meanwhile, the slide seat 33 drives the driven shaft 36 to move rightwards so as to enable the second spline 38 to be matched with the second spline groove, at the moment, the second driving motor 39 is started to drive the driving gear 34 to rotate, the driving gear 34 drives the driven shaft 36 to rotate through the driven gear 35 meshed with the driving gear 34, and the driven shaft 36 enables the second worm 32 to rotate through the matching of the second spline 38 and the second spline groove, so that the position of the driving frame 14 is adjusted;

when the angle of the first rotary disc 18 needs to be adjusted, the first lead screw 53 can be rotated reversely, so that the slide carriage moves leftwards, the gradually-changed second spline 38 and the second spline groove lose fit, the first spline is gradually inserted into the first spline groove, at this time, the second driving motor 39 is started, and the reciprocating rotation and the angle adjustment of the first rotary disc 18 can be realized when the second driving motor 39 rotates forwards or backwards.

As shown in fig. 15, in order to perform the alternate leg lifting exercise on both legs of the patient, a reciprocating gear 40 is rotatably connected to the rear end of the cover plate 4, reciprocating racks 41 are respectively engaged with the left and right ends of the reciprocating gear 40, a foot support 42 is fixedly connected to each reciprocating rack 41, each foot support 42 is vertically slidably connected to the cover plate 4, and a compression spring 43 is fixedly connected between each foot support 42 and the cover plate 4.

After the cover plate 4 is lifted and positioned, two feet are respectively placed on the foot supporting frames 42 on the same side, when one leg falls, the reciprocating rack 41 on the same side is driven to fall, then the reciprocating rack 41 and the foot supporting frames 42 on the other side rise through the transmission of the reciprocating gear 40, and the compression spring 43 is used for keeping the initial positions of the two foot supporting frames 42 so that the two reciprocating racks 41 can be meshed with the reciprocating gear 40, and meanwhile, the exercise intensity can be enhanced in a proper amount; the supporting frame 3 can be adjusted in a lifting way to realize the height of the initial position of the foot supporting frame 42, and the swing range of the leg part is improved.

As shown in fig. 2, in order to realize the angle adjustment and the positioning of the backup plate 5, the front end of the backup plate 5 is rotatably connected with the bed body 1, the lower end of the backup plate 5 is hinged with a support rod 44, one end of the support rod 44 far away from the backup plate 5 is hinged with a slide block 45, the bed body 1 is rotatably connected with an adjusting screw 46, and the slide block 45 is in threaded connection with the adjusting screw 46.

The adjusting screw 46 and the sliding block 45 form a screw nut structure, when the adjusting screw 46 is rotated, the sliding block 45 moves left and right, and when the sliding block 45 moves left and right, the angle of the backup plate 5 can be adjusted through the supporting rod 44.

As shown in fig. 2, 13 and 14, two bilateral symmetry guard rails 47 are arranged on the bed body 1, the upper sliding grooves 48 of the guard rails include horizontal grooves 4801, inclined grooves 4802 and vertical grooves 4803, the vertical grooves 4803 are lower than the horizontal grooves 4801, a first sliding rod 49 and a second sliding rod 50 are slidably connected in the two sliding grooves 48, a panel 51 is fixedly connected to the first sliding rod 49 and the second sliding rod 50, and locking nuts 52 are connected to the left end and the right end of the first sliding rod 49 and the second sliding rod 50 through threads.

The guardrail 47 can protect the patient, the panel 51 can be moved from the vertical groove 4803 to the horizontal groove 4801, the panel 51 can be locked by the locking nut 52 when being positioned in the horizontal groove 4801, and nursing products can be temporarily placed on the panel 51, so that the operation of nursing staff is facilitated, and the daily dining and other needs of the patient can be facilitated; the panel 51 can be fixedly connected with a handle, and when the locking nut 52 is in a loose state, the patient can hold the handle to pull the panel 51 back and forth to exercise the upper limbs of the patient; when the panel 51 is positioned in the chute 4802, the bed tail of the bed body 1 can be protected, and unrelated people can be prevented from sitting on the bed tail and pressing the legs of a patient; when the panel 51 is in the vertical groove 4803, the lifting of the cover 4 is not affected.

As shown in fig. 11 and 12, in order to implement the back-and-forth swing training of the foot of the patient, a separating block 54 is fixedly connected to the middle of the foot placing frame 23, a first sliding block 55 is slidably connected to the separating block 54 in the back-and-forth direction, a first spring 56 is fixedly connected between the first sliding block 55 and the separating block 54, pedals 57 are hinged to the left and right sides of the foot placing frame 23, a second connecting rod 58 is hinged to each pedal 57, and one end of the second connecting rod 58, which is far away from the pedal 57, is hinged to the first sliding block 55.

Under the normal condition, two pedals 57 can be fixed on the foot support 23 through the hook to keep the pedals 57 horizontal, when the back and forth swing exercise of foot is carried out, the hook can be disengaged from the foot support 23, under the action of the first spring 56, the two pedals 57 are lifted upwards, the foot of the patient is put on the pedals 57, when the foot swings forwards and backwards, the pedals 57 are pressed downwards, the first sliding block 55 is driven by the second connecting rod 58 to compress the first spring 56, when the foot of the patient is lifted, under the action of the first spring 56, the pedals 57 are reset upwards, and the back and forth swing exercise of the ankle of the patient can be realized.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a recovered device of taking exercise of osteonecrosis postoperative, includes bed body (1), its characterized in that: the bed is characterized in that a seat plate (2) is fixedly connected to the middle of the bed body (1), a supporting frame (3) with adjustable height is arranged at the front end of the seat plate (2), a cover plate (4) is rotatably connected to the front end of the supporting frame (3), an angle-adjustable back plate (5) is arranged behind the seat plate (2), a shell (6) is fixedly connected to the bed body (1), the shell (6) is arranged below the cover plate (4), a first ring (7) is arranged in the shell (6), a first rotating shaft (8) penetrating through the circle center of the first ring (7) is fixedly connected to the outer portion of the first ring (7), a second ring (9) is rotatably connected to the inner portion of the first ring (7), a second rotating shaft (10) penetrating through the circle center of the second ring (9) is fixedly connected to the inner portion of the second ring (9), and a driven block (11) perpendicular to the second rotating shaft (10) is fixedly connected to the second rotating shaft (10), the driven block (11) is provided with a guide groove (12) which is arranged along the axial direction of the driven block, the guide groove (12) is connected with a driving pin (13) in a sliding manner, the driving pin (13) is fixedly connected with a driving frame (14) which can move left and right, the second rotating shaft (10) is fixedly connected with two centrosymmetric positioning blocks (15), each positioning block (15) is fixedly connected with a vertically arranged cylindrical pipe (16), a lifting rod (17) is sleeved in each cylindrical pipe (16), the bottom of the shell (6) is provided with a first rotating disc (18) which can rotate in a reciprocating manner, the first rotating disc (18) is fixedly connected with a first driving motor (19) and two centrosymmetric positioning columns (20), the lifting rods (17) are in one-to-one vertical sliding connection with the positioning columns (20), and the upper end of each positioning column (20) is rotatably connected with a first gear (21), first gear (21) and lifter (17) threaded connection, the output fixedly connected with of first driving motor (19) and second gear (22) of two first gear (21) meshing, two the upper end fixedly connected with foot rack (23) of lifter (17), the cover is equipped with semicircle ring (24) on first pivot (8), semicircle ring (24) and casing side to side sliding connection.

2. The post-osteonecrosis rehabilitation exercise device of claim 1, wherein: the coaxial rigid coupling of lower extreme of first carousel (8) has pinion (25), pinion (25) meshing has gear wheel (26), the coaxial rigid coupling of gear wheel (26) has first worm wheel (27), first worm wheel (27) rotate with casing (6) and are connected, first worm wheel (27) meshing has first worm (28) of being connected with casing (6) rotation, first worm (28) can rotate to reciprocate.

3. The post-osteonecrosis rehabilitation exercise device of claim 2, wherein: driven rack (29) of fixedly connected with on drive rack (14), driven rack (29) meshing has straight-teeth gear (30), the coaxial rigid coupling of straight-teeth gear (30) has second worm wheel (31) of being connected with casing (6) rotation, second worm wheel (31) meshing has second worm (32) of being connected with casing (6) rotation.

4. The post-osteonecrosis rehabilitation exercise device of claim 3, wherein: a clutch mechanism is arranged between the first worm (28) and the second worm (32), the clutch mechanism comprises a sliding seat (33) which is connected with the shell (6) in a left-right sliding way, the sliding seat (33) is rotatably connected with a driving gear (34) and a driven gear (35) which are mutually meshed, the driven gear (35) is coaxially and fixedly connected with a driven shaft (36), the driven shaft (36) is sleeved in the first worm (28) and the second worm (32), the right end of the first worm (28) is provided with a first spline groove, the left end of the second worm (32) is provided with a second spline groove, a first spline (37) which can be matched with the first spline groove and a second spline (38) which can be matched with the second spline groove are fixedly connected on the driven shaft (36), the driving gear (34) is coaxially and fixedly connected with a second driving motor (39), and the second driving motor (39) is fixedly installed on the sliding seat (33).

5. The post-osteonecrosis rehabilitation exercise device of claim 1, wherein: the rear end of the cover plate (4) is rotatably connected with a reciprocating gear (40), the left end and the right end of the reciprocating gear (40) are respectively meshed with a reciprocating rack (41), each reciprocating rack (41) is fixedly connected with a foot support frame (42), each foot support frame (42) is vertically and slidably connected with the cover plate (4), and a compression spring (43) is fixedly connected between each foot support frame (42) and the cover plate (4).

6. The post-osteonecrosis rehabilitation exercise device of claim 1, wherein: the front end of backup plate (5) rotates with the bed body (1) to be connected, the lower extreme of backup plate (5) articulates there is bracing piece (44), the one end that backup plate (5) were kept away from in bracing piece (44) articulates there is slider (45), it is connected with regulation lead screw (46) to rotate on the bed body (1), slider (45) and regulation lead screw (46) threaded connection.

7. The post-osteonecrosis rehabilitation exercise device of claim 1, wherein: be equipped with two bilateral symmetry's guardrail (47) on the bed body (1), spout (48) on the guardrail, spout (48) are including horizontal groove (4801), chute (4802) and vertical groove (4803), vertical groove (4803) are less than horizontal groove (4801), and sliding connection has first slide bar (49) and second slide bar (50) in two spouts (48), common rigid coupling has panel (51) on first slide bar (49) and second slide bar (50), all threaded connection has lock nut (52) in both ends about first slide bar (49) and second slide bar (50).

8. The post-osteonecrosis rehabilitation exercise device of claim 1, wherein: the sliding seat (33) is connected with a first lead screw (53) in a threaded mode, and the first lead screw (53) is rotatably connected with the shell (6).

9. The post-osteonecrosis rehabilitation exercise device of claim 1, wherein: the middle fixedly connected with of foot rack (23) separates piece (54), it has first slider (55) to separate sliding connection around in piece (54), first slider (55) and cut apart first spring (56) of fixedly connected with between piece (54), the left and right sides of foot rack (23) all articulates there is footboard (57), all articulates on every footboard (57) has second connecting rod (58), the one end that footboard (57) were kept away from in second connecting rod (58) is articulated with first slider (55).