Electric knee joint tractor

Abstract

The utility model belongs to the technical field of medical instruments, and particularly provides an electric knee joint tractor which comprises a leg support, an electric mechanical assembly and two traction rods, the leg support is fixedly installed on a shank and a thigh through a plurality of bandages, the electric mechanical assembly is embedded in the leg support, and the two traction rods are symmetrically embedded in the leg support. One end of each traction rod is connected with the electric mechanical assembly, the ankle support is fixedly installed at the ankle through two bandages, the two bandages are located on the two sides of the heel respectively, the traction rods are connected with the ankle support through the pressure sensors, and the control circuit board is connected with the ankle support through the pressure sensors. The control circuit board is connected with the electric mechanical assembly and the two pressure sensors. Through the arrangement of the ankle support and the fixing position of the ankle support, the ankle support can be prevented from moving along with the traction rod during traction, through the arrangement of the pressure sensor and the control circuit board, traction force can be monitored in real time, and accurate traction force control is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of medical devices, and relates to an electric knee joint traction device. Background Art

[0002] Existing knee joint traction device products mainly rely on traditional mechanical systems for operation. These systems usually include manually adjustable traction mechanisms and simple fixing devices. Although these traditional designs have certain basic utility in application, they have multiple technical defects and user-friendliness problems.

[0003] 1. Lack of personalized treatment: The prior art cannot perform personalized settings according to the physical conditions and treatment needs of different users. The unified treatment of traction force and time is not conducive to achieving the best rehabilitation effect.

[0004] 2. Operational complexity: Most existing traction devices are complex to operate and require professional medical personnel to adjust and monitor, which increases the usage threshold and reduces the feasibility of home use.

[0005] 3. Insufficient comfort and portability: Traditional traction devices are often bulky and not ergonomically designed, which can cause discomfort to users after long-term use and are not convenient for carrying and storage. Summary of the Utility Model

[0006] In view of the technical problems in the prior art, the utility model provides an electric knee joint traction device, which includes a leg bracket, an electric mechanical component and two traction rods. The leg bracket is fixedly installed on the calf and thigh through multiple straps. The electric mechanical component is embedded in the leg bracket. The two traction rods are symmetrically embedded in the leg bracket, and the traction rods are located below the electric mechanical component. One end of each of the two traction rods is connected to the electric mechanical component. The device further includes an ankle bracket, two pressure sensors and a control circuit board. The ankle bracket is fixedly installed on the ankle through two straps, and the two straps are respectively located on both sides of the heel. The end of the traction rod far from the electric mechanical component is connected to the ankle bracket through the pressure sensor. The control circuit board is embedded in the leg bracket and is symmetrically distributed with the electric mechanical component. The control circuit board is connected to the electric mechanical component and the two pressure sensors.

[0007] Furthermore, gaskets are provided inside the leg bracket, the ankle bracket and the straps, and the gaskets are made of memory foam materials.

[0008] Furthermore, the leg bracket and the ankle bracket are made of lightweight alloy materials.

[0009] Furthermore, the electromechanical assembly includes a motor, a speed reducer, and a transmission mechanism. The input end of the transmission mechanism is connected to the output shaft of the motor through the speed reducer, and the output end of the transmission mechanism is connected to two traction rods.

[0010] Furthermore, the traction rod is a telescopic rod with adjustable length.

[0011] Furthermore, a strap is provided at the end of the traction rod.

[0012] Beneficial effects:

[0013] 1. In the present utility model, through the setting of the ankle brace and its fixed position, it can prevent the ankle brace from moving along with the traction rod during traction, avoiding the occurrence of sliding failure or a large number of ineffective sliding force phenomena. During specific installation, the ankle brace can be made to press against the instep through the strap, and it will not slide during up and down traction. Through the setting of the pressure sensor and the control circuit board, the traction force can be monitored in real time to achieve precise traction force control. Specifically, the traction force and time can be adjusted according to user needs, thereby improving the accuracy and effect of treatment. In addition, this traction device is simple and convenient to operate and can be used at home.

[0014] 2. In the present utility model, through the setting of the gasket, the comfort and fixity during use can be ensured. Combined with the setting made of memory foam material, it can adapt to the knee joint shapes of different users; through the setting that the leg brace and the ankle brace are made of lightweight alloy materials, the stability and portability can be guaranteed.

[0015] 3. In the present utility model, through the setting that the traction rod is a telescopic rod with adjustable length, it can be adjusted according to the user's leg length to ensure the correct application of the traction force; through the setting that a strap is provided at the end of the traction rod, the stability of the traction rod can be improved, avoiding the traction rod from moving towards the electromechanical assembly side during the traction process. Description of the drawings

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0017] Figure 1 It is a schematic diagram of the overall installation structure of the present utility model;

[0018] Figure 2 It is a schematic diagram of the partial installation structure when the traction rod of the present utility model is stretched;

[0019] Figure 3 ForFigure 1 Internal installation structure schematic diagram at position A in [device name];

[0020] Figure 4 For Figure 1 Right view in [device name].

[0021] Explanation of reference numerals:

[0022] 1. Leg support; 2. Electromechanical component; 3. Traction rod; 4. Strap; 5. Ankle support; 6. Pressure sensor; 7. Control circuit board; 8. Spacer. Specific implementation manners

[0023] To make the above objects, features, and advantages of the present application more obvious and understandable, the following describes the specific implementation manners of the present application in detail with reference to the accompanying drawings. Many specific details are set forth in the following description to fully understand the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the connotation of the present application. Therefore, the present application is not limited by the specific embodiments disclosed below.

[0024] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation of the present application.

[0025] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In the description of the present application, "a plurality" means at least two, such as two, three, etc., unless otherwise specifically and clearly defined.

[0026] In this application, unless otherwise clearly defined and limited, terms such as "installed", "connected", "linked", "fixed", etc. shall be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components or the interaction relationship between two components, unless otherwise clearly defined. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0027] In this application, unless otherwise clearly defined and limited, the first feature being "on" or "under" the second feature can be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on top of" the second feature can be that the first feature is directly above or obliquely above the second feature, or merely indicates that the first feature has a higher horizontal height than the second feature. The first feature being "under", "beneath" and "underneath" the second feature can be that the first feature is directly below or obliquely below the second feature, or merely indicates that the first feature has a lower horizontal height than the second feature.

[0028] It should be noted that when an element is referred to as "fixed to" or "disposed on" another element, it can be directly on the other element or there may also be an intermediate element. When an element is considered to be "connected" to another element, it can be directly connected to the other element or there may be an intermediate element at the same time. The terms "vertical", "horizontal", "up", "down", "left", "right" and similar expressions used herein are only for the purpose of illustration and do not represent the only implementation.

[0029] The present utility model provides an electric knee joint traction device, such as Figures 1 to 4As shown in the figure, it includes a leg bracket 1, an electromechanical component 2 and two traction rods 3. The leg bracket 1 is fixedly installed on the calf and thigh through multiple straps 4. The electromechanical component 2 is embedded in the leg bracket 1. The two traction rods 3 are symmetrically embedded in the leg bracket 1, and the traction rods 3 are located below the electromechanical component 2. The electromechanical component 2 is installed on one side of the leg bracket 1 close to the top. The electromechanical component 2 includes a power supply, a switch, a motor, a reducer and a transmission mechanism. The input end of the transmission mechanism is connected to the output shaft of the motor through the reducer, and the output end of the transmission mechanism is connected to the two traction rods 3. Among them, the power supply provides electrical energy for the motor, the switch controls the start and stop of the motor, the motor is responsible for providing power, the reducer is used to adjust the output speed, and the transmission mechanism converts electric power into traction force. When the switch is closed, the transmission mechanism will control the synchronous movement of the two traction rods 3. It also includes an ankle bracket 5, two pressure sensors 6 and a control circuit board 7. The control circuit board 7 is embedded in the leg bracket 1 and is symmetrically arranged about the axis of the leg bracket 1 with the electromechanical component 2. The ankle bracket 5 is fixedly installed on the ankle through two straps 4, and the two straps 4 are respectively located on both sides of the heel. Specifically, one strap 4 is fixed at the ankle, and the other strap 4 is fixed at the instep. The end of the traction rod 3 away from the electromechanical component 2 is connected to the ankle bracket 5 through the pressure sensor 6. The control circuit board 7 is respectively connected to the electromechanical component 2 and the two pressure sensors 6. Among them, the pressure sensor 6 is used to monitor the traction force in real time and feed back the data to the control circuit board 7. The control circuit board 7 receives the data from the pressure sensor 6 and adjusts the electromechanical system of the electromechanical component 2 through the built-in algorithm to achieve precise traction force control. In actual use, the treatment plan can be automatically adjusted through the medical data input by the user (such as weight, symptom severity, doctor's advice, etc.) and the initial use feedback of the device, using the built-in algorithm to adapt to the specific needs of different users. This personalized method can provide a tailored rehabilitation plan for users, improve the adaptability and effectiveness of treatment. For the convenience of users to operate, a display screen and adjustment buttons can be integrated on the control circuit board 7. At the same time, a Bluetooth module can also be integrated to transmit the treatment data collected by the traction device to the intelligent terminal (smartphone) in real time, enabling users and doctors to remotely monitor the treatment progress. Through the mini-program application, the visualization display and analysis of the data can be realized, providing a basis for doctors to adjust the treatment plan.

[0030] In this embodiment, through the setting of the ankle bracket 5 and its fixed position, it is possible to prevent the ankle bracket 5 from moving along with the traction rod 3 during traction, avoiding the occurrence of sliding failure or a large number of ineffective sliding force phenomena. During specific installation, the ankle bracket 5 can be made to press against the instep through the strap 4, and it will not slide during up and down traction. Through the setting of the pressure sensor 6 and the control circuit board 7, the traction force can be monitored in real time to achieve precise traction force control. Specifically, the traction force and time can be adjusted according to user needs, thereby improving the accuracy and effect of treatment. In addition, this traction device is simple and convenient to operate and can be used at home.

[0031] In the present utility model, preferably, as Figure 1 shown, gaskets 8 are provided inside the leg bracket 1, the ankle bracket 5, and the strap 4, and the gaskets 8 are made of memory foam material.

[0032] In this embodiment, through the setting of the gasket 8, the comfort and fixity during use can be ensured. Combined with the setting of being made of memory foam material, it can adapt to the knee joint shapes of different users.

[0033] In the present utility model, preferably, as Figure 1 and Figure 2 shown, the leg bracket 1 and the ankle bracket 5 are made of lightweight alloy material.

[0034] In this embodiment, through the setting that the leg bracket 1 and the ankle bracket 5 are made of lightweight alloy material, the stability and portability can be ensured.

[0035] In the present utility model, preferably, as Figure 1 , Figure 2 and Figure 3 shown, the traction rod 3 is a telescopic rod with adjustable length.

[0036] In this embodiment, through the setting that the traction rod 3 is a telescopic rod with adjustable length, it can be adjusted according to the user's leg length to ensure the correct application of the traction force.

[0037] In the present utility model, preferably, as Figure 1 and Figure 4 shown, a strap 4 is provided at the end of the traction rod 3.

[0038] In this embodiment, through the setting that a strap 4 is provided at the end of the traction rod 3, the stability of the traction rod 3 can be improved, and it can be avoided that the traction rod 3 moves towards the side of the electro-mechanical component 2 during the traction process.

[0039] The technical features of the above-described embodiments can be combined arbitrarily. For the sake of brevity of description, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, it should be considered as within the scope described in this specification.

[0040] The above-described embodiments only represent several implementation manners of the present application. The description is relatively specific and detailed, but it should not be construed as a limitation on the scope of the patent application. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present application, several modifications and improvements can still be made, and these all belong to the protection scope of the present application. Therefore, the protection scope of the patent of the present application shall be subject to the appended claims.

Claims

1. An electric knee joint traction device, comprising a leg support (1), an electric mechanical component (2) and two traction rods (3), wherein the leg support (1) is fixedly mounted on the calf and thigh by a plurality of straps (4), the electric mechanical component (2) is embedded in the leg support (1), the two traction rods (3) are symmetrically embedded in the leg support (1), and the traction rods (3) are located below the electric mechanical component (2), and one end of the two traction rods (3) is connected to the electric mechanical component (2), characterized in that: It also includes an ankle support (5), two pressure sensors (6) and a control circuit board (7); the ankle support (5) is fixedly mounted on the ankle via two straps (4), and the two straps (4) are respectively located on both sides of the heel; the end of the traction rod (3) away from the electric mechanical component (2) is connected to the ankle support (5) via the pressure sensor (6); the control circuit board (7) is embedded in the leg support (1) and symmetrically distributed with the electric mechanical component (2); the control circuit board (7) is connected to both the electric mechanical component (2) and the two pressure sensors (6).

2. The electric knee traction device according to claim 1, characterized in that: The leg support (1), the ankle support (5) and the strap (4) are all provided with a gasket (8), and the gasket (8) is made of a memory foam material.

3. The electric knee traction device according to claim 2, characterized in that: The leg support (1) and the ankle support (5) are made of light alloy material.

4. An electric knee traction device according to any one of claims 1 to 3, characterized in that: The electric mechanical assembly (2) comprises an electric motor, a reducer and a transmission mechanism, wherein the input end of the transmission mechanism is connected to the output shaft of the electric motor via the reducer, and the output end of the transmission mechanism is connected to two traction rods (3).

5. The electric knee traction device according to claim 4, characterized in that: The traction rod (3) is a telescopic rod with adjustable length.

6. The electric knee traction device according to claim 5, characterized in that: A binding belt (4) is provided at the end of the traction rod (3).

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