Lower limb function training device

By designing a lower limb function training device with a skateboard and resistance components, the problem of patients lacking active participation after knee replacement surgery is solved, achieving more efficient rehabilitation training results and providing flexible resistance adjustment and real-time feedback.

CN223760311UActive Publication Date: 2026-01-06JIANGMEN WUYI TRADITIONAL CHINESE MEDICINE HOSPITAL
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Patent Information

Application Number
CN202520023061.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-06
Publication Date
2026-01-06
Estimated Expiration
2035-01-06

AI Technical Summary

Technical Problem

In the rehabilitation training after knee replacement surgery, patients lack active participation in the existing CPM machine, resulting in poor coordination between the lower limbs and the training machine, which affects the rehabilitation effect. At the same time, the equipment is expensive, bulky and inconvenient to use.

Method used

Design a lower limb function training device that allows a skateboard to move back and forth on a base, applies moderate resistance using a resistance component to enhance user participation, and records training progress using a statistical component to provide clear feedback.

Benefits of technology

It increased patients' active participation and training intensity, improved rehabilitation outcomes, and enhanced the relevance and safety of training by flexibly adjusting resistance and providing real-time feedback.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a lower limb function training device, and belongs to the technical field of sports equipment. The lower limb function training device comprises a base, a sliding plate, a resistance assembly and a statistical assembly. The base is provided with a first end and a second end which deviate from each other in the length direction of the base. The sliding plate is slidably connected to the base and can move back and forth between the first end and the second end. The resistance assembly is arranged at the first end, connected with the base and the sliding plate and configured to be capable of limiting the sliding plate to move from the first end to the second end; the statistical assembly is arranged on the base and is configured to be capable of recording the number of times that the sliding plate moves back and forth between the first end and the second end. A user is allowed to actively drive the sliding plate to move through lower limb strength, rehabilitation training is effectively promoted, the user needs to actively exert force when moving the sliding plate, the participation enthusiasm and training intensity of the user are enhanced, clear training feedback is provided, and therefore the rehabilitation training effect of the lower limbs is improved.
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Description

Technical Field

[0001] This utility model relates to the field of sports equipment technology, and in particular to a lower limb function training device. Background Technology

[0002] Knee replacement surgery is a common surgical procedure. Post-operatively, systematic rehabilitation training is usually required to promote the functional recovery of the knee joint. Passive motion machines (CPM machines) are widely used in this process to help patients perform continuous passive movements in the early postoperative period. However, because CPM machines drive the lower limbs to perform passive movements, patients often lack active participation during training, resulting in poor coordination between the lower limbs and the machine, thus affecting the effectiveness of rehabilitation training. Utility Model Content

[0003] This invention aims to solve at least one of the technical problems existing in the prior art. To this end, this invention proposes a lower limb function training device that can increase user participation and improve the effectiveness of lower limb rehabilitation training.

[0004] A lower limb function training device according to a first aspect of the present invention includes: a base having a first end and a second end opposite to each other along the length direction of the base; a slide plate slidably connected to the base, the slide plate being capable of moving back and forth between the first end and the second end; a resistance component disposed at the first end, the resistance component being connected to the base and the slide plate respectively, and configured to restrict the slide plate from moving from the first end toward the second end; and a statistics component disposed at the base, the statistics component being configured to record the number of times the slide plate moves back and forth between the first end and the second end.

[0005] The lower limb function training device according to the embodiments of this utility model has at least the following beneficial effects:

[0006] The lower limb function training device of this utility model embodiment features a sliding board that can move back and forth between a first end and a second end, allowing users to actively drive the board using their lower limb strength, effectively promoting rehabilitation training. Furthermore, by incorporating a resistance component, moderate resistance is applied during the board's movement, requiring users to actively exert force, thus enhancing user participation and training intensity. In addition, a statistical component records the number of times the board moves back and forth between the first and second ends, facilitating real-time monitoring of training progress and providing clear training feedback, thereby improving the effectiveness of lower limb rehabilitation training.

[0007] According to some embodiments of the present invention, the base is provided with a sliding groove that extends along the length of the base, the sliding plate is disposed in the sliding groove, and the sliding plate is provided with multiple rollers that can cooperate to drive the sliding plate to move along the sliding groove.

[0008] According to some embodiments of the present invention, the upper surface of the skateboard is provided with a plurality of slots spaced apart, and the lower limb function training device further includes a force-bearing component. The force-bearing component is located on the upper side of the skateboard and includes a push plate and a limiting plate. The push plate is rotatably connected to the upper surface of the skateboard and is inclined upward. One end of the limiting plate is rotatably connected to the push plate, and the other end is locked in one of the slots.

[0009] According to some embodiments of the present invention, the resistance component includes a damping device, a first connector and a second connector. The damping device is detachably connected to the first end. The first connector is fixed to the upper end of the push plate, and the second connector is fixed to the damping device. The first connector and the second connector are detachably connected.

[0010] According to some embodiments of this utility model, the damping device is a hydraulic damper.

[0011] According to some embodiments of the present invention, the statistical component includes a display device fixedly connected to the base, and the display device is configured to display the number of times the skateboard moves back and forth between the first end and the second end.

[0012] According to some embodiments of the present invention, the display device is disposed on the front side of the base, and the display device and the base are connected by fasteners.

[0013] According to some embodiments of the present invention, the statistical component further includes a sensor and a counting device, the sensor and the counting device being electrically connected, the sensor being disposed at the first end and configured to trigger the counting device to record the number of times the skateboard moves back and forth when the skateboard touches and triggers the sensor.

[0014] According to some embodiments of the present invention, the lower limb function training device further includes a buffer member, which is disposed at the second end.

[0015] According to some embodiments of this utility model, the buffer element is a sponge.

[0016] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments, wherein:

[0018] Figure 1 This is a schematic diagram of a lower limb function training device according to an embodiment of the present invention;

[0019] Figure 2 This is a top view of the base and slide plate according to an embodiment of the present invention;

[0020] Figure 3 This is a schematic diagram of the state of the force-bearing component according to an embodiment of the present invention;

[0021] Figure 4 This is a schematic diagram of the state of the force component according to another embodiment of the present invention.

[0022] Icon labels:

[0023] Lower limb function training device 1000;

[0024] Base 100; First end 110; Second end 120; Slide 130;

[0025] Skateboard 200; Roller 210; Card slot 220;

[0026] Drag assembly 300; damping device 310; first connector 320; second connector 330;

[0027] Statistical component 400; display device 410; sensor 420; counting device 430;

[0028] Force-applying component 500; push plate 510; limit plate 520;

[0029] 600 buffer components. Detailed Implementation

[0030] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0031] In the description of this utility model, it should be understood that the orientation descriptions, such as up, down, etc., are based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0032] In the description of this utility model, the use of "first" and "second" is only for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features or the order of the technical features.

[0033] In the description of this utility model, unless otherwise explicitly defined, terms such as "setting," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.

[0034] Knee osteoarthritis (KOA), a common and disabling degenerative disease among middle-aged and elderly people, is seeing its incidence increase year by year with the aging population. For patients with advanced KOA and those meeting surgical indications and requiring surgery, surgical joint replacement has become the primary treatment. Postoperatively, systematic rehabilitation training is usually required to promote the functional recovery of the knee joint. During this process, passive joint movement devices (CPM) are widely used to help patients perform continuous passive movements in the early postoperative period. CPM machines simulate the natural movement of the joint, allowing for passive joint movement in a painless state, thereby helping to prevent postoperative adhesions and shorten recovery time.

[0035] However, because CPM machines passively drive the lower limbs, patients often lack active participation during training, resulting in poor coordination between the lower limbs and the machine. This passive movement mode may not fully stimulate the patient's muscle activity, thus affecting the effectiveness of rehabilitation training. Furthermore, CPM machines have many shortcomings, such as high price, bulky and inconvenient size, and the need for angle adjustment each time with limited flexibility during use.

[0036] Therefore, some embodiments of this utility model propose a lower limb function training device 1000, as detailed in the following references. Figures 1 to 4 The lower limb function training device 1000 is described below.

[0037] Reference Figure 1 As shown in the embodiment of this utility model, the lower limb function training device 1000 includes a base 100, a slide plate 200, a resistance component 300, and a statistical component 400. The base 100 has a first end 110 and a second end 120 that are opposite to each other along the length of the base 100. The slide plate 200 is slidably connected to the base 100 and can move back and forth between the first end 110 and the second end 120. In this embodiment, the first end 110 is the starting point of the slide plate 200's movement, and the second end 120 is the ending point. Specifically, the slide plate 200 moving from the first end 110 towards the second end 120 and then back from the second end 120 to the first end 110 constitutes one round trip.

[0038] It is understood that when using the lower limb function training device 1000 of this utility model for training, the user can step on the skateboard 200 with one foot and place the other foot on the ground. While maintaining a standing balance, the user can apply force with one foot to make the skateboard 200 slide on the base 100, thereby training the lower limbs. By switching to step on the skateboard 200 with the other foot and applying force to make the skateboard 200 slide, the other lower limb can be trained.

[0039] Continue to refer to Figure 1 As shown, in this embodiment of the invention, a resistance component 300 is disposed at the first end 110. The resistance component 300 is connected to both the base 100 and the skateboard 200, and is configured to restrict the movement of the skateboard 200 from the first end 110 towards the second end 120. It is understood that when the skateboard 200 moves from the first end 110 towards the second end 120, the resistance component 300 can apply moderate resistance, thereby requiring the user to actively exert force when moving the skateboard 200, thus enhancing the user's participation and training intensity. In this embodiment, the resistance component 300 can be adjusted as needed.

[0040] Continue to refer to Figure 1 As shown, in this embodiment of the invention, a statistical component 400 is disposed on the base 100. The statistical component 400 is configured to record the number of times the skateboard 200 moves back and forth between the first end 110 and the second end 120. In this embodiment, the statistical component 400 is set such that each time the skateboard 200 completes a one-way movement from the first end 110 to the second end 120 and then returns to the first end 110, it is considered to have completed one complete round-trip movement, and the count is accumulated accordingly. This design ensures accurate recording of training counts, facilitating real-time tracking of training progress by users and medical personnel.

[0041] The lower limb function training device 1000 of this utility model is equipped with a skateboard 200 that can move back and forth between a first end 110 and a second end 120, allowing users to actively drive the skateboard 200 using their lower limb strength, effectively promoting rehabilitation training. Furthermore, by incorporating a resistance component 300, moderate resistance is applied when the skateboard 200 moves, requiring users to actively exert force, thus enhancing user participation and training intensity. In addition, by incorporating a statistical component 400, the number of times the skateboard 200 moves back and forth between the first end 110 and the second end 120 is recorded, facilitating real-time monitoring of training progress and providing clear training feedback, thereby improving the effectiveness of lower limb rehabilitation training.

[0042] Reference Figure 1 and Figure 2As shown, in this embodiment of the invention, the base 100 is provided with a groove 130. Specifically, the upper end of the base 100 is recessed downwards to form the groove 130. The groove 130 extends along the length of the base 100, and the slide plate 200 is disposed within the groove 130. Therefore, the groove 130 has a limiting and guiding effect on the movement of the slide plate 200, effectively preventing excessive movement by the user and enhancing safety during use. The slide plate 200 is provided with multiple rollers 210, which can cooperate to drive the slide plate 200 to move along the groove 130.

[0043] Reference Figure 1 , Figure 3 and Figure 4 As shown in this embodiment of the invention, the upper surface of the skateboard 200 is provided with a plurality of slots 220 spaced apart. Specifically, the plurality of slots 220 are spaced apart along the length of the base 100. The lower limb function training device 1000 also includes a force-applying component 500, which is disposed on the upper side of the skateboard 200. The force-applying component 500 includes a push plate 510 and a limiting plate 520. The push plate 510 is rotatably connected to the upper surface of the skateboard 200 and is inclined upward. For example, the push plate 510 is hinged to the skateboard 200.

[0044] Reference Figure 3 and Figure 4 As shown, in this embodiment of the invention, the push plate 510 and the slide plate 200 are set at an angle, which facilitates the user to apply driving force to the slide plate 200. The connection position between the push plate 510 and the slide plate 200 is located on the side of the slot 220 facing the second end 120, while the limiting plate 520 is located on the side of the push plate 510 facing the first end 110. One end of the limiting plate 520 is rotatably connected to the push plate 510. For example, the push plate 510 is hinged to the slide plate 200, and the other end is locked in one of the slots 220. It can be understood that by simply adjusting the limiting plate 520 to engage with different slots 220, the user can easily change the tilt angle of the push plate 510, realizing flexible control of the angle of the push plate 510.

[0045] Reference Figure 1 , Figure 3 and Figure 4 As shown in this embodiment of the invention, the resistance component 300 includes a damping device 310, a first connector 320, and a second connector 330. The damping device 310 is detachably connected to the first end 110. Therefore, in this embodiment, the damping device 310 can be replaced as needed to adjust the resistance applied by the damping device 310 to the slide plate 200. For example, if the user's lower limbs have recovered well, a damping device 310 with a larger damping force can be replaced; conversely, a damping device 310 with a smaller damping force can be replaced.

[0046] Reference Figure 1, Figure 3 and Figure 4 As shown, in this embodiment of the present invention, the first connecting member 320 is fixed to the upper end of the push plate 510, and the second connecting member 330 is fixed to the damping device 310. It is understood that the first connecting member 320 can be installed on the push plate 510 using fasteners or by means of interference fit, etc., and this embodiment does not limit this. The second connecting member 330 can be installed on the damping device 310 using fasteners or by means of welding, bonding, etc., and this embodiment does not limit this. In this embodiment, the first connecting member 320 and the second connecting member 330 are detachably connected.

[0047] In one example, the damping device 310 is a hydraulic damper. Understandably, a hydraulic damper allows for precise control of the damping force by adjusting its internal pressure or structure, thereby meeting the needs of rehabilitation training at different stages. As the user's lower limb recovery progresses, the hydraulic damper can be easily replaced or adjusted to accommodate greater resistance, and vice versa. This adjustability ensures the targeted and effective nature of the training. Furthermore, while providing stable damping force, the hydraulic damper effectively absorbs and mitigates the impact and vibration of the skateboard 200 during movement, making the training process smoother and safer. This is crucial for protecting postoperative joints, reducing pain, and promoting rehabilitation.

[0048] Reference Figure 1 As shown in this embodiment of the invention, the statistical component 400 includes a display device 410, which is fixedly connected to the base 100. The display device 410 is configured to display the number of times the skateboard 200 moves back and forth between the first end 110 and the second end 120. In this embodiment, the display device 410 can be a liquid crystal display screen, an organic light-emitting diode display screen, or an electronic ink screen, etc., and this embodiment does not limit it to any particular type.

[0049] Continue to refer to Figure 1 As shown, in this embodiment of the invention, the display device 410 is located on the front side of the base 100 for easy viewing by the user. The display device 410 and the base 100 are connected by fasteners. In one example, the fastener is a screw. The display device 410 has a through hole, and the base 100 has a threaded hole communicating with the through hole. Therefore, the fastener can pass through the through hole and engage with the threaded hole of the base 100 to achieve a threaded connection. In another example, the fastener is a rivet. It should be noted that the fastener and the base 100 can be selected according to actual conditions, and this embodiment does not limit this.

[0050] Reference Figure 1As shown, in this embodiment of the invention, the statistical component 400 further includes a sensor 420 and a counting device 430. The sensor 420 and the counting device 430 are electrically connected. The sensor 420 is located at the first end 110 and is configured to trigger the counting device 430 to record the number of back-and-forth movements of the skateboard 200 when the skateboard 200 touches and triggers the sensor 420. Specifically, the sensor 420 is located in the slide groove 130 near the inner wall of the first end 110, and protrudes from the inner wall. When the skateboard 200 returns from the second end 120 to the first end 110, it contacts the sensor 420, thereby triggering the sensor 420. The counting device 430 is able to respond to the sensor 420 and record it as one complete back-and-forth movement of the skateboard 200. In one example, when the user successfully completes 100 back-and-forth movements of the skateboard 200, the counting device 430 can automatically announce this via a speaker, providing the user with immediate feedback.

[0051] Reference Figure 1 As shown, in this embodiment of the invention, the lower limb function training device 1000 further includes a buffer 600, which is disposed at the second end 120. In one example, the buffer 600 is a sponge. It is understood that when the skateboard 200 slides from the first end 110 to the second end 120, it can effectively absorb the impact force, providing the user with a gentle transition, thereby significantly reducing the risk of injury caused by impact and ensuring that the training process is both efficient and safe.

[0052] Of course, this utility model is not limited to the above-described embodiments. Those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of this utility model. All such equivalent modifications or substitutions are included within the scope defined by the claims of this application.

Claims

1. A lower extremity functional training device, characterized by, The application relates to a lower limb function training device. The device comprises a base, a sliding plate, a resistance component and a statistics component. The base is provided with a first end and a second end which are opposite along the length direction of the base. The sliding plate is connected to the base in a sliding mode and can move back and forth between the first end and the second end. The resistance component is arranged at the first end and connected to the base and the sliding plate.

2. The lower extremity functional training device according to claim 1, wherein, The statistics component is arranged at the base and can record the number of times that the sliding plate moves back and forth between the first end and the second end.

3. The lower extremity functional training device according to claim 1, wherein, The base is provided with a sliding groove which extends along the length direction of the base.

4. The lower extremity functional training device according to claim 3, wherein, The sliding plate is arranged in the sliding groove.

5. The lower extremity functional training device according to claim 4, wherein, The sliding plate is provided with a plurality of rollers which can drive the sliding plate to move along the sliding groove.

6. The lower extremity functional training device according to claim 2, wherein, The upper end surface of the sliding plate is provided with a plurality of clamping grooves which are arranged at intervals.

7. The lower extremity functional training device according to claim 6, wherein, The device further comprises a force component which is arranged at the upper side of the sliding plate.

8. The lower extremity functional training device according to claim 6, wherein, The force component comprises a push plate and a limiting plate.

9. The lower extremity functional training device, as recited in claim 1, characterized in that, The push plate is rotatably connected to the upper end surface of the sliding plate and is arranged in an upward inclination mode.

10. The lower extremity functional training device according to claim 9, wherein, One end of the limiting plate is rotatably connected to the push plate and the other end is clamped in one of the clamping grooves. The resistance component comprises a damping device, a first connecting piece and a second connecting piece. The damping device is detachably connected to the first end. The first connecting piece is fixedly arranged at the upper end of the push plate. The second connecting piece is fixedly arranged at the damping device. The first connecting piece and the second connecting piece are detachably connected. The damping device is a hydraulic damper. The statistics component comprises a display device which is fixedly connected to the base. The display device can display the number of times that the sliding plate moves back and forth between the first end and the second end. The display device is arranged at the front side of the base. The display device and the base are connected through fasteners. The statistics component further comprises a sensor and a counting device. The sensor is arranged at the first end and is configured to trigger the counting device to record the number of times that the sliding plate moves back and forth when the sliding plate touches and triggers the sensor. The lower limb function training device further comprises a buffer which is arranged at the second end. The buffer is a sponge.