Leg assist device for patient bed

Abstract

The utility model discloses a leg assist device for a patient bed, which comprises a shell, and a storage battery is fixedly connected to the bottom of the inner wall of the shell. According to the leg assist device for the patient bed, the shell, the storage battery, the adjusting rail, the conversion bin, the supporting frame and the adjusting frame are matched with one another, the legs of a patient are placed in the supporting frame, the legs of the patient are fixed by inflating the air bags in the arc-shaped clamping plates, the controller controls the adjusting motor to rotate, and then the legs of the patient can be adjusted. An adjusting bevel gear rotates to drive a conversion bevel gear to rotate, an adjusting frame in threaded connection with an adjusting threaded rod is driven by the adjusting threaded rod to move at a constant speed, the two legs of a patient can be pushed away towards the two sides, an electric push rod pushes a conversion bin to move, and therefore the two legs of the patient are pushed to complete curling movement; the leg movement of the patient can be assisted according to the use requirements, and the operation and rehabilitation training effects of the patient are guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of leg assistive devices, in particular to a leg assistive device for a patient bed. Background Art

[0002] During surgery or rehabilitation, the patient's legs need to be adjusted in position; specifically, the patient's leg position and activity, as well as flexion and extension and displacement at a certain angle, need to be adjusted according to the requirements of the surgeon or rehabilitation therapist to cooperate with the surgery or rehabilitation.

[0003] However, the prior art method of manually helping the patient to adjust the leg posture by the surgeon or the rehabilitation therapist has at least the following problems: instability may exist for a long time, excessive consumption of the surgeon's or the rehabilitation therapist's physical strength may affect the surgeon's or the rehabilitation therapist's subsequent work, and it may be difficult to perform surgery or rehabilitation training for a long time, thereby affecting the effect of the patient's surgery and rehabilitation training. Therefore, there is a need to propose a leg assist device for the patient's bed. Utility Model Content

[0004] In view of the problems existing in the prior art, the utility model provides a leg assistive device for a patient bed.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A leg assist device for a patient bed comprises: a shell, a battery is fixedly connected to the bottom of the inner wall of the shell;

[0007] An adjustment rail, the adjustment rail being fixedly connected to the top of the battery;

[0008] A conversion chamber, the conversion chamber is arranged above the adjustment rail, a slider is fixedly connected to the bottom of the conversion chamber, and the slider can move inside the adjustment rail;

[0009] An electric push rod, which fixedly connects the housing to the conversion chamber;

[0010] A partition is fixedly connected inside the conversion bin;

[0011] An adjusting threaded rod, the adjusting threaded rod being rotatable inside the partition;

[0012] A conversion bevel gear, wherein the conversion bevel gear is fixedly connected to the adjusting threaded rod;

[0013] an adjusting bevel gear, the adjusting bevel gear meshing with the conversion bevel gear;

[0014] An adjusting motor, wherein the adjusting motor is fixedly connected to the top of the conversion chamber, and an output shaft of the adjusting motor is fixedly connected to the adjusting bevel gear;

[0015] A support frame, the support frame is arranged on the left and right sides of the shell, and an arc-shaped clamping plate is fixedly connected inside the support frame;

[0016] An air bag, wherein the air bag is fixedly connected to the inside of the arc-shaped splint;

[0017] An adjustment frame, wherein the adjustment frame is connected to the support frame via a rotating shaft, the left side of the adjustment frame is fixedly connected with an adjustment frame, and the adjustment frame is threadedly connected to the adjustment threaded rod;

[0018] The guide rod is fixedly connected to the side of the support frame and extends to the inside of the shell.

[0019] The above-mentioned leg assist device for a patient bed, wherein movable grooves are provided on the left and right sides of the shell corresponding to the positions of the adjustment frame and the guide rod;

[0020] A placement plate, the placement plate is fixedly connected to the left and right sides of the shell;

[0021] A binding strap, wherein the binding strap is fixedly connected to the placement plate;

[0022] A controller is fixedly connected to the top of the shell.

[0023] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0024] 1. The utility model realizes a leg assist device for a patient bed by the mutual cooperation among the shell, battery, adjustment rail, conversion bin, support frame and adjustment frame. The patient puts both legs into the support frame, and the patient's legs are fixed by inflating the airbag inside the arc splint. The controller controls the adjustment motor to rotate, and the adjustment bevel gear rotates to drive the conversion bevel gear to rotate. Driven by the adjustment threaded rod, the adjustment frame threadedly connected to the adjustment threaded rod moves at a uniform speed, which can push the patient's legs to both sides. The electric push rod pushes the conversion bin to move, so as to push the patient's legs to complete the curling action. Through different operation combinations, the patient's leg activities can be assisted according to the use requirements, without consuming the physical strength of the patient or the rehabilitation therapist, ensuring that the surgery or rehabilitation training can be performed for a long time, and ensuring the effect of the patient's surgery and rehabilitation training.

[0025] 2. In the present invention, the shaft connection of the support frame is arranged so that when the patient's legs are curled up, the support frame can be adaptively adjusted according to the degree of bending of the legs.

[0026] 3. In the present invention, the straps provided can be tied to the patient's bed to prevent the auxiliary device from being displaced during use.

[0027] 4. In the present invention, the storage battery is provided to continuously supply power to the electronic components without being limited by the use environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a structural cross-sectional view of the main view of the utility model;

[0029] Figure 2 It is a structural cross-sectional view of the top view of the utility model;

[0030] Figure 3 It is a three-dimensional diagram of the housing and the movable groove of the utility model;

[0031] Figure 4 For this utility model Figure 1 A partial enlarged view of middle A.

[0032] In the figure:

[0033] 1 housing, 2 batteries, 3 adjustment rails, 4 conversion chambers, 5 support frames, 6 adjustment frames, 7 sliders, 8 electric push rods, 9 partitions, 10 adjustment threaded rods, 11 conversion bevel gears, 12 adjustment bevel gears, 13 adjustment motors, 14 adjustment frames, 15 guide rods, 16 arc-shaped splints, 17 airbags, 18 movable slots, 19 placement plates, 20 straps, 21 controllers. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0035] like Figure 1-4 As shown, a leg assist device for a patient bed comprises: a shell 1, and a battery 2 is fixedly connected to the bottom of the inner wall of the shell 1 to continuously supply power to the electronic components without being limited by the use environment.

[0036] The adjusting rail 3 is fixedly connected to the top of the storage battery 2 .

[0037] The conversion chamber 4 is arranged above the adjusting rail 3 , and a slider 7 is fixedly connected to the bottom of the conversion chamber 4 , and the slider 7 can move inside the adjusting rail 3 .

[0038] The electric push rod 8 fixes the shell 1 and the conversion chamber 4, and the electric push rod 8 pushes the conversion chamber 4 to move so as to push the patient's legs to complete the curling action. Through different operation combinations, the patient's leg activities can be assisted according to the use requirements without consuming the physical strength of the patient or the rehabilitation therapist, ensuring that the surgery or rehabilitation training can be performed for a long time, and ensuring the effect of the patient's surgery and rehabilitation training.

[0039] A partition plate 9 is fixedly connected to the interior of the conversion chamber 4 .

[0040] The adjusting threaded rod 10 can be rotated inside the partition 9.

[0041] The conversion bevel gear 11 is fixedly connected to the adjusting threaded rod 10 .

[0042] The bevel gear 12 is adjusted, and the bevel gear 12 is meshed with the conversion bevel gear 11 .

[0043] The adjusting motor 13 is fixedly connected to the top of the conversion chamber 4 , and the output shaft of the adjusting motor 13 is fixedly connected to the adjusting bevel gear 12 .

[0044] The support frame 5 is arranged on the left and right sides of the housing 1 , and an arc-shaped clamping plate 16 is fixedly connected inside the support frame 5 .

[0045] The airbag 17 is fixedly connected to the inside of the arc-shaped splint 16, and can fix the patient's legs and protect the patient's legs at the same time.

[0046] The adjusting frame 6 is connected to the supporting frame 5 through a rotating shaft. The rotating shaft connection setting of the supporting frame 5 allows adaptive adjustment according to the degree of leg bending when the patient's legs are curled up. The left side of the adjusting frame 6 is fixedly connected with an adjusting frame 14, and the adjusting frame 14 is threadedly connected to the adjusting threaded rod 10. The patient puts his legs into the supporting frame 5, and the patient's legs are fixed by inflating the airbag 17 inside the arc splint 16. The controller 21 controls the adjusting motor 13 to rotate, and the adjusting bevel gear 12 rotates to drive the conversion bevel gear 11 to rotate. Driven by the adjusting threaded rod 10, the adjusting frame 14 threadedly connected to the adjusting threaded rod 10 moves at a constant speed, so that the patient's legs can be pushed to both sides.

[0047] The guide rod 15 is fixedly connected to the side of the support frame 5 and extends to the inside of the housing 1 .

[0048] Movable grooves 18 are provided on the left and right sides of the housing 1 at positions corresponding to the adjustment frame 14 and the guide rod 15 .

[0049] The placing plate 19 is fixedly connected to the left and right sides of the housing 1 .

[0050] The strap 20 is fixedly connected to the placement plate 19 and can be tied to the patient bed to prevent the auxiliary device from being displaced during use.

[0051] Controller 21: Controller 21 is fixedly connected to the top of the housing 1 to facilitate the control of electronic components.

[0052] In order to facilitate understanding of the above technical solution of the present invention, the working principle or operation method of the present invention in the actual process is described in detail below.

[0053] The utility model provides a leg assist device for a patient bed. When in use, the patient puts both legs into the support frame 5, and the airbag 17 inside the arc splint 16 is inflated to fix the patient's legs. The controller 21 controls the adjustment motor 13 to rotate, and the adjustment bevel gear 12 rotates to drive the conversion bevel gear 11 to rotate. Under the drive of the adjustment threaded rod 10, the adjustment frame 14 threadedly connected with the adjustment threaded rod 10 moves at a uniform speed, which can push the patient's legs to both sides. The electric push rod 8 pushes the conversion bin 4 to move, so as to push the patient's legs to complete the curling action. Through different operation combinations, the patient's leg activities can be assisted according to the use requirements.

[0054] In summary, the leg assist device for a patient bed solves the problems mentioned in the background art by the mutual cooperation among the housing 1, the battery 2, the adjustment rail 3, the conversion chamber 4, the support frame 5 and the adjustment frame 6.

[0055] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A leg assist device for a patient bed, comprising: The housing (1) is characterized in that a storage battery (2) is fixedly connected to the bottom of the inner wall of the housing (1); An adjustment rail (3), wherein the adjustment rail (3) is fixedly connected to the top of the storage battery (2); A conversion chamber (4), wherein the conversion chamber (4) is arranged above the adjustment rail (3), and a slider (7) is fixedly connected to the bottom of the conversion chamber (4), and the slider (7) can move inside the adjustment rail (3); An electric push rod (8), wherein the electric push rod (8) fixedly connects the housing (1) and the conversion chamber (4); A partition plate (9) is fixedly connected inside the conversion chamber (4); An adjusting threaded rod (10) which is rotatable inside the partition (9); A conversion bevel gear (11), wherein the conversion bevel gear (11) is fixedly connected to the adjustment threaded rod (10); An adjusting bevel gear (12), wherein the adjusting bevel gear (12) is meshed with the conversion bevel gear (11); An adjusting motor (13), wherein the adjusting motor (13) is fixedly connected to the top of the conversion chamber (4), and an output shaft of the adjusting motor (13) is fixedly connected to the adjusting bevel gear (12); A support frame (5), the support frame (5) being arranged on the left and right sides of the housing (1), and an arc-shaped clamping plate (16) being fixedly connected inside the support frame (5); An air bag (17), wherein the air bag (17) is fixedly connected to the inside of the arc-shaped clamping plate (16); An adjustment frame (6), the adjustment frame (6) is connected to the support frame (5) via a rotating shaft, the left side of the adjustment frame (6) is fixedly connected to an adjustment frame (14), and the adjustment frame (14) is threadedly connected to the adjustment threaded rod (10); A guide rod (15), wherein the guide rod (15) is fixedly connected to a side surface of the support frame (5) and extends to the interior of the housing (1).

2. A leg assist device for a patient bed according to claim 1, characterized in that: Movable grooves (18) are provided on the left and right sides of the housing (1) at positions corresponding to the adjustment frame (14) and the guide rod (15); A placement plate (19), wherein the placement plate (19) is fixedly connected to the left and right sides of the housing (1); A binding belt (20), wherein the binding belt (20) is fixedly connected to the placement plate (19); A controller (21), wherein the controller (21) is fixedly connected to the top of the housing (1).

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