CN216258149U

CN216258149U - Lower limb training mechanism with upper limb supporting structure

Info

Publication number: CN216258149U
Application number: CN202122085780.2U
Authority: CN
Inventors: 李忠林
Original assignee: Shenzhen Hospital Of Beijing University Of Traditional Chinese Medicine Longgang
Current assignee: Shenzhen Hospital Of Beijing University Of Traditional Chinese Medicine Longgang
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2022-04-12
Anticipated expiration: 2031-08-31

Abstract

The utility model discloses a lower limb training mechanism with an upper limb supporting structure, which comprises a base, wherein a training bed is arranged on the base, rotatable lower limb training rods which are symmetrically arranged are arranged on two sides of the training bed and comprise thigh rotating rods, shank rotating rods, pedals and air pressure rods, the rear end of each thigh rotating rod is rotatably arranged on the side part of the training bed, the front end of each thigh rotating rod is rotatably connected with the rear end of each shank rotating rod, the front end of each shank rotating rod is rotatably connected with the corresponding pedal, the air pressure rods are arranged on the side parts of the training bed, and the front ends of the thigh rotating rods are in transmission connection with the front ends of the shank rotating rods; be equipped with mobilizable telescopic link on the both sides of training bed or the rear end of thigh dwang, the telescopic link be connected with detachable upper limbs backup pad, and the back both sides of upper limbs backup pad are equipped with the pipe of pegging graft, and the telescopic link inserts in the pipe of pegging graft. The utility model solves the problem that when the existing lower limb training mechanism trains the lower limb, the upper limb of a patient is easy to dislocate or cause other accidents under the action of gravity because the upper limb of the patient does not have the gripping function.

Description

Lower limb training mechanism with upper limb supporting structure

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a lower limb training mechanism with an upper limb supporting structure.

Background

The motor dysfunction caused by cerebrovascular diseases, such as the lower limb dysfunction caused by the common muscle tension abnormality, motor control disorder, weak muscle strength, soft tissue contracture and the like in the late stage in a stroke patient, is the common clinical disease at present, and the retrogression muscle atrophy can be caused if the exercise can not be effectively performed in time.

The most effective rehabilitation therapy means for stroke patients is to perform repeated limb balance training by means of an instrument, keep good limb positions through the repeated limb balance training, prevent symptoms of foot drop or foot inversion, and correct the problems of uneven lower limb exertion, abnormal gait, poor body balance and the like of the patients. The passive movement and the active movement function exercise of the limb joint can prevent the disuse atrophy of muscles.

The existing lower limb training mechanism is mainly characterized in that a patient sleeps on a training bed, lower limbs are placed on the lower limb training mechanism, the feet of the patient can be placed on a pedal by adjusting telescopic rods of a thigh bracket and a shank bracket on the lower limb training mechanism, and the pedal moves back and forth under the driving of the telescopic rods so that the lower limbs of the patient do telescopic motion; and the rear end of the telescopic rod of the thigh is rotatably connected with the training bed, the front end of the telescopic rod of the thigh is rotatably connected with the shank telescopic rod, and the front end of the shank telescopic rod is rotatably connected with the pedal, so that the lower limb of a patient can do flexion and extension movement under the driving of the lower limb training mechanism, and the lower limb of the patient can be trained purposefully as long as the movement joint and distance of the lower limb training mechanism are controlled.

However, in the process of training the lower limbs, the placement of the upper limbs of the patient is often ignored, and as the muscle strength of most of stroke patients cannot reach level 3, the upper limbs do not have the gripping function and cannot resist gravity to grip the handrails on the training bed, the risk of upper limb shoulder joint dislocation is increased, and the probability of accidents is increased.

Therefore, there is a need to research and develop an upper limb supporting structure applied to a lower limb training mechanism, which is used for supporting the upper limb of a patient with stroke during the lower limb training, preventing the shoulder joint dislocation and other accidents, improving the use safety of the lower limb training mechanism, and solving the technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a lower limb training mechanism with an upper limb supporting structure, which is used for solving the problem that when the lower limb is trained by the existing lower limb training mechanism, the upper limb of a patient is easy to dislocate or cause other accidents under the action of gravity because the upper limb of the patient does not have a gripping function.

In order to achieve the above purpose, the present invention provides a lower limb training mechanism with an upper limb supporting structure, the specific embodiment is as follows:

the lower limb training mechanism with the upper limb supporting structure comprises a base, wherein a rotatable training bed is arranged on the base, lower limb training rods symmetrically arranged are arranged on two sides of the training bed and movably arranged at two side parts of the training bed, each lower limb training rod comprises a thigh rotating rod, a shank rotating rod, a pedal and a transmission rod, the rear end of each thigh rotating rod is rotatably arranged at the side part of the training bed, the front end of each thigh rotating rod is rotatably connected with the rear end of the shank rotating rod, the front end of each shank rotating rod is rotatably connected with the pedal, the transmission rod is arranged at the side part of the training bed, and the front end of each thigh rotating rod is in transmission connection with the front end of the shank rotating rod; the utility model discloses a training bed, including training bed, thigh dwang, telescopic link, upper limbs backup pad, back both sides position department of training bed or be equipped with mobilizable telescopic link on the rear end of thigh dwang, the telescopic link is connected with the detachable upper limbs backup pad, the back both sides position department of upper limbs backup pad is equipped with the grafting pipe, the telescopic link inserts in the grafting pipe.

At present, the in-process of lower limb training of current lower limb training mechanism, often can neglect putting of patient's upper limbs, because most cerebral apoplexy patient's muscle can't reach 3 grades, the upper limbs do not possess the function of gripping, can't resist gravity and grip the handrail on the training bed, consequently increased the risk of upper limbs shoulder joint dislocation, increased accident's probability.

Compared with the prior art, the lower limb training mechanism with the upper limb supporting structure has the advantages that the telescopic rods are arranged on the two sides of the training bed or at the rear end of the thigh rotating rod, the telescopic rods are connected with the detachable upper limb supporting plate, the inserting pipes for the telescopic rods to insert are arranged on the two sides of the back of the upper limb supporting plate, so that the upper limb supporting plate is fixed on the telescopic rods, the position of the upper limb supporting plate can be adjusted by utilizing the telescopic characteristic of the telescopic rods, and the upper limb training mechanism is suitable for patients with different body types. The lower limb training mechanism has the advantages of simple structure, convenience in disassembly and assembly and high use safety, and effectively solves the problem that when the lower limb is trained, the upper limb of a patient is easy to dislocate or cause other accidents under the action of gravity because the upper limb of the patient does not have a grabbing function.

As a further improvement of the utility model, the outer side wall of the insertion pipe is provided with a plurality of limiting holes penetrating through the insertion pipe, the end part of the telescopic rod is provided with an elastic lug, and the elastic lug can be telescopically clamped into the limiting holes.

As a further improvement of the utility model, the outer side wall of the insertion pipe is provided with a plurality of limiting holes penetrating through the insertion pipe, the end part of the telescopic rod is provided with a limiting screw hole matched with the limiting holes, and the outer wall of the insertion pipe is provided with a limiting screw inserted into the limiting hole and screwed with the limiting screw hole.

As a further improvement of the utility model, the telescopic rods are movably arranged at the two sides of the training bed, an accommodating cavity is arranged in the training bed, a linear guide rail or an air pressure rod is arranged in the accommodating cavity, and the bottom of the telescopic rod is fixedly connected with the linear guide rail or the air pressure rod.

As a further improvement of the utility model, the top of the upper limb supporting plate is provided with two symmetrically arranged upper limb supporting plates, and one end of the upper limb supporting plate close to the training bed is provided with an arc-shaped groove.

As a further improvement of the present invention, two side portions of the exercise bed are provided with a moving mechanism, the moving mechanism includes a movable rod, a first sleeve and a second sleeve, the first sleeve and the second sleeve are fixedly arranged on the side portion of the exercise bed, two ends of the movable rod are respectively movably inserted into the first sleeve and the second sleeve, and the rear end of the thigh rotating rod is inserted into the movable rod.

Furthermore, the thigh dwang includes grafting portion, first rotation portion and first pars contractilis, grafting portion is pegged graft and is fixed on the movable rod, the one end of first rotation portion with grafting portion rotatable coupling, the other end movably inserts in the first pars contractilis, the front end of first pars contractilis with shank dwang rotatable coupling.

Furthermore, the telescopic rod is arranged on the thigh rotating rod and is fixedly inserted into the insertion part.

Further, the shank dwang includes second rotation portion and second pars contractilis, the rear end of second rotation portion with the front end rotatable coupling of first pars contractilis, other end movably sleeve establishes on the second pars contractilis, the front end of second pars contractilis with footboard rotatable coupling.

As a further improvement of the utility model, the front end of the shank rotating rod is provided with a connecting rod, and the other end of the connecting rod is inserted with the transmission rod.

Based on the technical scheme, compared with the prior art, the utility model has the following beneficial effects:

1. the outer side wall of the insertion pipe is provided with the plurality of limiting holes penetrating through the insertion pipe, when the telescopic rod is inserted into the insertion pipe, the telescopic rod can be clamped into the limiting holes by arranging the telescopic elastic lugs at the front end of the telescopic rod to limit the insertion position of the telescopic rod in the insertion pipe, so that the distance between the upper limb support plate and the training bed is fixed, and the telescopic upper limb support plate is suitable for patients with different body types; or the limiting screw is inserted into the limiting hole, the limiting screw hole matched with the limiting hole is arranged at the end part of the telescopic rod, the limiting screw is fixed in a screw connection mode with the screw hole, and the connection stability of the upper limb supporting plate is improved.

2. The moving mechanism for driving the lower limb training rod to move is arranged at the two sides of the training bed, and the position of the lower limb training rod on the training bed is movably adjusted between the first sleeve body and the second sleeve body by the moving rod of the moving mechanism, so that the lower limb training rod is adapted to patients with different heights.

3. Through set up first pars contractilis and second pars contractilis on thigh rotary rod and shank rotary rod, utilize the characteristic of flexible regulation to make the lower limb training pole can adjust the length of thigh rotary rod and shank rotary rod according to patient's thigh length and shank length, improve the application scope of lower limb training pole.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the upper limb support plate of the present invention;

FIG. 3 is a schematic structural view of a first telescopic rod of the present invention;

FIG. 4 is a cross-sectional view of a second telescoping pole of the present invention;

fig. 5 is a schematic structural view of the bracket of the present invention.

Detailed Description

A lower limb training mechanism with an upper limb support structure of the present invention is described with reference to the accompanying drawings.

As shown in fig. 1-5, the lower limb training mechanism with upper limb supporting structure comprises a base 1 and a training bed 2, wherein the training bed 2 is rotatably arranged on the base 1.

Wherein, the both sides portion of training bed 2 is equipped with the lower limb training pole 21 that mutual symmetry set up, lower limb training pole 21 movably is located the both sides portion of training bed 2.

Further, lower limb training pole 21 includes thigh dwang 211, shank dwang 212, footboard 213 and transfer line 214, the rear end of thigh dwang 211 rotationally sets up the lateral part at training bed 2, the front end with the rear end rotatable coupling of shank dwang 212, the front end of shank dwang 212 with footboard 213 rotatable coupling, transfer line 214 is located the lateral part of training bed 2, the tip with the front end transmission of shank dwang 212 is connected.

Specifically, the thigh rotating rod 211 includes an insertion portion 2111, a first rotating portion 2112 and a first telescopic portion 2113, the insertion portion 2111 is movably disposed at a side portion of the exercise bed 2, a rear end of the first rotating portion 2112 is rotatably connected to a front end of the insertion portion 2111, the front end of the first rotating portion 2112 is movably inserted into the first telescopic portion 2113, and the front end of the first telescopic portion 2113 is rotatably connected to the shank rotating rod 212.

The first expansion part 2113 is sleeved at the front end of the first rotating part 2112, and the first rotating part 2112 is adjusted by sliding the first expansion part 2113 to insert the first expansion part 2113 for a distance, so that the total length of the thigh rotating rod 211 is adjusted to be adapted to the thigh length of a patient.

An adjusting screw 25 is arranged on the outer side wall of the first telescopic portion 2113 and used for screwing and abutting against the first rotating portion 2112 to enable the first rotating portion 2112 not to move and fixing the distance of the first rotating portion 2112 inserted into the first telescopic portion 2113.

Furthermore, two side parts of the training bed 2 are provided with moving mechanisms 24, and the insertion part 2111 is inserted into the moving mechanism 24 and moves under the driving of the moving mechanism 24 to adjust the position of the lower-limb training rod 21 on the training bed 2.

Specifically, the moving mechanism 24 includes a movable rod 241, a first sleeve 242 and a second sleeve 243, the first sleeve 242 and the second sleeve 243 are fixedly disposed on the side of the exercise bed 2, the movable rod 241 is disposed between the first sleeve 242 and the second sleeve 243, and two ends of the movable rod 241 are movably inserted into the first sleeve 242 and the second sleeve 243.

Furthermore, the movable rod 241 is provided with an insertion hole (not shown), and the insertion portion 2111 is provided with an insertion rod (not shown) inserted into the insertion hole.

The lower leg rotating rod 212 includes a second rotating portion 2121 and a second extending portion 2122, the rear end of the second rotating portion 2121 is rotatably connected to the front end of the first extending portion 2113, the front end of the second rotating portion 2121 is movably sleeved on the rear end of the second extending portion 2122, and the front end of the second extending portion 2122 is rotatably connected to the pedal 213.

The second rotating part 2121 is sleeved on the rear end of the second telescopic part 2122, and the distance that the second telescopic part 2122 is inserted into the second rotating part 2121 is adjusted by sliding the second telescopic part 2122, so that the total length of the lower leg rotating rod 212 is adjusted to be suitable for patients with different lower leg lengths.

The second rotating portion 2121 is provided with an adjusting screw 25 for screwing and abutting against the second telescopic portion 2122 to make it unable to move, and fixing the distance of the second telescopic portion 2122 inserted into the second rotating portion 2121.

The transmission rod 214 is fixed in the second sleeve 243 and located below the movable rod 241, and the rod end of the transmission rod 214 is in transmission connection with the front end of the second telescopic part 2122.

Further, a connecting rod 215 is disposed at the front end of the second telescopic part 2122, and the other end of the connecting rod 215 is inserted into the driving rod 214.

Alternatively, the transmission rod 214 is a pneumatic rod, a hydraulic cylinder, an air cylinder, or the like, as long as it can stretch and contract to drive the lower leg rotation rod 212 to rotate, and the description is not limited to the embodiment.

Wherein, the bottom of the thigh rotating rod 211 is provided with an inserting block 2114 extending downwards, the inserting block 2114 is inserted with a detachable bracket 26, and the bracket 26 is positioned between the two lower limb training rods 2.

Wherein the training bed 2 is provided with a first strap (not shown in the figure) for fixing the patient.

Wherein, a second strap (not shown) for fixing the foot of the patient is provided on the pedal 213.

Wherein, a third strap 261 for fixing the leg of the patient is arranged on the bracket 26.

Wherein, the lateral part of the telescopic rod 22 is provided with an upper limb support plate 23, the two sides of the back part of the upper limb support plate 23 are provided with inserting pipes 231, the telescopic rod 22 is inserted into the inserting pipes 231, and the upper limb support plate 23 is fixed on the training bed 2 and is used for supporting the upper limb of the patient.

Optionally, the outer side wall of the insertion tube 231 is provided with a plurality of limiting holes 232 penetrating through the insertion tube 231, the end of the telescopic rod 22 is provided with a telescopic elastic projection 22, and the telescopic elastic projection 22 is telescopically clamped into the limiting holes 232 to limit and position the distance of the telescopic rod 22 inserted into the insertion tube 231.

Optionally, the outer side wall of the insertion tube 231 is provided with a plurality of limiting holes 232 penetrating through the insertion tube 231, the end of the expansion link 22 is provided with limiting screw holes 222 matched with the limiting holes 232, the outer wall of the insertion tube 231 is provided with limiting screws 233 inserted into the limiting holes 232 and screwed with the limiting screw holes 222, and the distance of the expansion link 22 inserted into the insertion tube 231 is limited and positioned by the screwing fixation of the limiting screws 233 and the limiting screw holes 222.

Of course, the insertion tube 231 may also be a pneumatic telescopic rod or a hydraulic telescopic rod, which is controlled to extend or retract by an automatic control program, and is matched with the telescopic rod 22 to adjust the distance between the upper limb support plate 23 and the training bed 2.

Further, an arc-shaped groove 235 is formed in one end, close to the training bed 2, of the upper limb support plate 23, so that the situation that the patient feels uncomfortable due to the fact that the upper limb support plate 23 is pressed on the body of the patient is avoided.

Further, upper limb support plates 234 are provided at both sides of the top of the upper limb support plate 23 for supporting the upper limbs of the patient.

Optionally, the upper limb support plate 234 is provided with a strap or a buckle structure to fix the upper limb of the patient, and the upper limb support plate is not limited to the technical solution described in this embodiment as long as the upper limb of the patient can be fixed.

Alternatively, the telescopic rod 22 may be a pneumatic telescopic rod or a hydraulic telescopic rod, and the controller controls the automatic adjustment of the distance between the upper limb support plate 23 and the training bed 2, or a clamping type telescopic rod, and the distance between the upper limb support plate 23 and the training bed 2 is adjusted manually, so long as the effect of adjusting the position of the upper limb support plate 23 in a telescopic manner can be achieved, which is not limited to the content described in this embodiment.

Alternatively, the telescopic rod 22 may be disposed on the insertion portion 2111 at the rear end of the thigh rotating rod 211, and inserted into the movable rod 241 along with the insertion portion 2111, when the movable rod 241 slides between the first sleeve 242 and the second sleeve 243, the position of the telescopic rod 22 on the training bed 2 is adjusted, so that the position of the upper limb support plate 23 is adjustable and adapted to patients with different heights.

Optionally, the telescopic rod 22 is movably disposed at two sides of the training bed 2, a containing cavity (not shown in the figure) is formed in the training bed 2, and a linear guide rail (not shown in the figure) or a pneumatic rod structure (not shown in the figure) driven by a motor screw rod structure (not shown in the figure) for driving the telescopic rod 22 to move is formed in the containing cavity, so that the telescopic rod 22 can move within the containing cavity, the position of the upper limb support plate 23 can be adjusted, the telescopic rod is adapted to patients with different heights, and the adjustment range of the movement of the telescopic rod 22 is larger than that of the movement of the following moving mechanism 24.

Of course, the extension rod 22 may be directly inserted into the training bed 2, and the displacement may be performed by a structure of a chute guide (not shown), and the extension rod 22 may be adjusted in displacement, which is not limited to the technical solution described in the embodiment.

Alternatively, the upper limb support plate 23 may be a unitary plate, or may be two symmetrically arranged plates, as long as the effect of supporting the upper limb of the patient can be achieved, and the upper limb support plate is not limited to the content described in this embodiment.

The lower limb training mechanism with the upper limb supporting structure has the advantages of simple structure, convenience in disassembly and assembly and high use safety, and effectively solves the problem that when the existing lower limb training mechanism trains the lower limbs, the upper limbs of a patient are easy to dislocate or cause other accidents under the action of gravity because the existing lower limb training mechanism does not have a gripping function.

Variations and modifications to the above-described embodiments may occur to those skilled in the art, which fall within the scope and spirit of the above description. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and variations of the present invention should fall within the scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.

Claims

1. A lower limb training mechanism with an upper limb supporting structure, which comprises a base (1), wherein a rotatable training bed (2) is arranged on the base (1), the two sides of the training bed (2) are provided with lower limb training rods (21) which are symmetrically arranged, the lower limb training rods (21) are movably arranged at the two side parts of the training bed (2), the lower limb training rod (21) comprises a thigh rotating rod (211), a shank rotating rod (212), a pedal (213) and a transmission rod (214), the rear end of the thigh rotating rod (211) is rotatably arranged at the side part of the training bed (2), the front end is rotatably connected with the rear end of the shank rotating rod (212), the front end of the shank rotating rod (212) is rotatably connected with the pedal (213), the transmission rod (214) is arranged at the side part of the training bed (2), and the front end of the transmission rod is in transmission connection with the front end of the shank rotating rod (212); the novel training bed is characterized in that movable telescopic rods (22) are arranged on the two sides of the training bed (2) or the rear end of the thigh rotating rod (211), the telescopic rods (22) are connected with detachable upper limb supporting plates (23), inserting pipes (231) are arranged at the positions of the two sides of the back of each upper limb supporting plate (23), and the telescopic rods (22) are inserted into the inserting pipes (231).

2. The lower limb training mechanism with the upper limb supporting structure as claimed in claim 1, wherein the outer side wall of the insertion tube (231) is provided with a plurality of limiting holes (232) penetrating through the insertion tube (231), the end of the telescopic rod (22) is provided with an elastic lug (221), and the elastic lug (221) is telescopically clamped into the limiting holes (232).

3. The lower limb training mechanism with the upper limb supporting structure as claimed in claim 1, wherein the outer side wall of the insertion tube (231) is provided with a plurality of limiting holes (232) penetrating through the insertion tube (231), the end of the telescopic rod (22) is provided with limiting screw holes (222) matching with the limiting holes (232), and the outer wall of the insertion tube (231) is provided with limiting screws (233) inserted into the limiting holes (232) and screwed with the limiting screw holes (222).

4. The lower limb training mechanism with the upper limb supporting structure as claimed in claim 1, wherein the telescopic rods (22) are movably arranged at two sides of the training bed (2), a containing cavity is arranged in the training bed (2), a linear guide rail or a pneumatic rod is arranged in the containing cavity, and the bottom of the telescopic rods (22) is fixedly connected with the linear guide rail or the pneumatic rod.

5. The lower limb training mechanism with the upper limb supporting structure as claimed in claim 1, wherein the top of the upper limb supporting plate (23) is provided with two symmetrically arranged upper limb supporting plates (234), and one end of the upper limb supporting plate (23) close to the training bed (2) is provided with an arc-shaped groove (235).

6. The lower limb training mechanism with the upper limb supporting structure as claimed in claim 1, wherein the two side parts of the training bed (2) are provided with moving mechanisms (24), each moving mechanism (24) comprises a movable rod (241), a first sleeve body (242) and a second sleeve body (243), the first sleeve body (242) and the second sleeve body (243) are fixedly arranged on the side part of the training bed (2), the two ends of the movable rod (241) are respectively movably inserted into the first sleeve body (242) and the second sleeve body (243), and the rear end of the thigh rotating rod (211) is inserted into the movable rod (241).

7. The lower limb training mechanism with the upper limb supporting structure according to claim 6, wherein the thigh rotating rod (211) comprises an insertion part (2111), a first rotating part (2112) and a first telescopic part (2113), the insertion part (2111) is inserted and fixed on the movable rod (241), one end of the first rotating part (2112) is rotatably connected with the insertion part (2111), the other end is movably inserted into the first telescopic part (2113), and the front end of the first telescopic part (2113) is rotatably connected with the lower leg rotating rod (212).

8. The lower limb training mechanism with the upper limb supporting structure as claimed in claim 7, wherein the telescopic rod (22) is arranged on the thigh rotating rod (211) and is fixedly inserted into the insertion part (2111).

9. The lower limb training mechanism with the upper limb supporting structure according to claim 7, wherein the lower leg rotating rod (212) comprises a second rotating part (2121) and a second telescopic part (2122), the rear end of the second rotating part (2121) is rotatably connected with the front end of the first telescopic part (2113), the other end is movably sleeved on the second telescopic part (2122), and the front end of the second telescopic part (2122) is rotatably connected with the pedal (213).

10. The lower limb training mechanism with the upper limb supporting structure as claimed in claim 1, wherein the front end of the lower limb rotating rod (212) is provided with a connecting rod (215), and the other end of the connecting rod (215) is inserted with the driving rod (214).