Lower limb training device for preventing VTE
By designing a lower limb training device with a rotating shaft, foot pads, limiting mechanism, and elastic mechanism, the problem that existing devices cannot assist in ankle training is solved, enabling effective ankle movement, reducing the risk of venous thrombosis, and improving ease of use and safety.
Patent Information
- Application Number
- CN202520427129.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-12
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-12
AI Technical Summary
Existing lower limb training devices cannot effectively assist patients in ankle training, are inconvenient to use, and cannot reduce the risk of venous thrombosis.
A lower limb training device was designed, comprising a pivot, foot pads, a limiting mechanism, and an elastic mechanism. The elastic mechanism allows the foot pads to fit snugly against the soles of the feet, assisting ankle movement. The limiting mechanism prevents excessive movement, and silicone sleeves and elastic straps are provided for fixation and improved comfort.
It enables effective ankle training, reduces the risk of venous thrombosis, improves ease of use and safety, and enhances the practicality of the device.
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Figure CN223944886U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of medical apparatus and instruments, in particular to a lower limb training device for VTE prevention. BACKGROUND
[0002] For some patients after lower limb surgery, due to the limited activity of their feet, the blood flow speed of the feet slows down, and the risk of VTE (venous thrombosis) significantly increases, so in order to reduce the risk of VTE for these patients, regular ankle pump exercises are performed to reduce the risk of thrombosis in the patient's feet, in the prior art, the utility model patent with patent application number 202322958786.5 discloses a leg positioning structure of a leg rehabilitation training device, which is mainly composed of a first support plate, a second support plate and a pin shaft, etc., when in use, the patient's leg is fixed on the second support plate, the second support plate is connected with the sliding plate inside the connecting shell through the third pin shaft, and the sliding plate is matched with the reset spring, so that the patient can perform leg stretching training, however, when in use, the following problems exist, it can only perform stretching training on the patient's leg, and cannot assist the patient in training the ankle, and is not convenient to use, so a lower limb training device for training the ankle is needed. SUMMARY
[0003] To solve the above technical problems, the utility model provides a lower limb training device for VTE prevention which can assist patients in training the ankle, is convenient to use and has high practicality.
[0004] The lower limb training device for VTE prevention of the utility model, including the bottom plate, still including the pivot, the foot pad plate, the limiting mechanism and the elastic mechanism, the pivot is rotatably installed on the bottom plate, the lower part of the foot pad plate is fixedly installed on the pivot, the elastic mechanism is arranged between the bottom plate and the foot pad plate, the elastic mechanism has elasticity, the limiting mechanism is installed on the left part of the bottom plate, and the limiting mechanism has the function of limiting, when the patient is training the ankle, the lower limb is stretched, then the lower part of the calf is attached to the bottom plate, the sole is attached to the right end of the foot pad plate, then the toe is hooked, the toe is moved to the side close to oneself, then the toe is pressed down, the toe is moved to the side away from oneself, in this process, due to the elastic effect of the elastic mechanism, the foot pad plate is always attached to the sole of the patient, and the ankle movement of the patient is assisted, the blood flow at the ankle of the patient is promoted, and the venous thrombosis is prevented, it can assist the patient in training the ankle, is convenient to use and has high practicality.
[0005] Preferably, the elastic mechanism comprises two groups of tension springs, the lower ends of the two groups of tension springs are fixedly installed at the front and rear ends of the bottom plate respectively, and the upper ends of the two groups of tension springs are fixedly installed at the front and rear ends of the foot pad plate respectively; through the above setting, when the patient's foot bottom is attached to the right end surface of the foot pad plate for ankle pump training, the foot pad plate can be always attached to the patient's foot bottom through the elastic effect of the tension springs, thereby assisting the patient to perform ankle pump training.
[0006] Preferably, the limiting mechanism comprises a limiting block, the limiting block is fixedly installed at the upper end of the bottom plate, and the limiting block is located at the left side of the foot pad plate; through the above setting, when the patient's foot bottom is attached to the right end surface of the foot pad plate for training, and the foot pad plate is counterclockwise rotated around the rotating shaft, when the left end of the foot pad plate is rotated to contact the limiting block, the rotation angle of the foot pad plate is prevented from being too large through the limiting effect of the limiting block, thereby avoiding injury caused by too large movement amplitude of the patient's ankle, and the safety and reliability are improved.
[0007] Preferably, the foot pad plate is provided with a through hole communicating left and right, and a silica gel sleeve is installed in the through hole of the foot pad plate; when the patient's ankle is moved around, the patient's foot is passed through the through hole of the foot pad plate, so that the patient's ankle is padded on the silica gel sleeve, and then the patient's foot is moved around at 360 degrees centering on the ankle joint, thereby facilitating the training of the patient's ankle.
[0008] Preferably, the elastic bandage is provided with a magic tape, one end of the elastic bandage is fixedly installed on the bottom plate, and the other end of the elastic bandage is fixedly attached to the bottom plate through the magic tape; through the above setting, when the patient's ankle is flexed and extended, for example, the foot bottom is attached to the right end of the foot pad plate and the lower leg is padded on the bottom plate, the patient's lower leg is restrained on the bottom plate through the elastic bandage, thereby facilitating the fixation of the patient's lower leg and the training of the patient's lower leg.
[0009] Preferably, the bottom plate is provided with a limiting block, the limiting block is fixedly installed at the upper end of the bottom plate, and the limiting block is located at the left side of the foot pad plate; through the above setting, when the patient's foot bottom is attached to the right end surface of the foot pad plate for training, and the foot pad plate is counterclockwise rotated around the rotating shaft, when the left end of the foot pad plate is rotated to contact the limiting block, the rotation angle of the foot pad plate is prevented from being too large through the limiting effect of the limiting block, thereby avoiding injury caused by too large movement amplitude of the patient's ankle, and the safety and reliability are improved.
[0010] Preferably, the bottom plate is provided with a limiting block, the limiting block is fixedly installed at the upper end of the bottom plate, and the limiting block is located at the left side of the foot pad plate; through the above setting, when the patient's foot bottom is attached to the right end surface of the foot pad plate for training, and the foot pad plate is counterclockwise rotated around the rotating shaft, when the left end of the foot pad plate is rotated to contact the limiting block, the rotation angle of the foot pad plate is prevented from being too large through the limiting effect of the limiting block, thereby avoiding injury caused by too large movement amplitude of the patient's ankle, and the safety and reliability are improved.
[0011] Preferably, the two groups of fastening bolts are arranged on the front and rear parts of the rotating shaft, and the two groups of fastening bolts are respectively screwed with the front and rear parts of the rotating shaft, and handles are arranged on the two groups of fastening bolts; when the patient's lower leg pad is in the silica gel sleeve and the patient's ankle is trained, the two groups of fastening bolts are rotated in advance, so that the two groups of fastening bolts are in contact with the front and rear ends of the bottom plate, respectively, and the rotating shaft is kept stationary through the friction between the two groups of fastening bolts and the bottom plate, so that the foot pad plate can be in an upright state, and the reliability is improved.
[0012] Preferably, scale lines are arranged on the bottom plate, and mark lines are arranged on the surface of the rotating shaft and point to the scale lines; through the above arrangement, the rotating angle of the rotating shaft can be inferred through the value of the mark lines pointing to the scale lines on the rotating shaft, and then the inclination angle of the foot pad plate is inferred, so that the adjustment of the angle of the foot pad plate during exercise is facilitated.
[0013] Compared with the prior art, the beneficial effects of the utility model are that the patient can be assisted to train the ankle, the use is convenient, and the practicality is high. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 is the first axonometric structure schematic view of the utility model;
[0015] Figure 2 is the second axonometric structure schematic view of the utility model;
[0016] Figure 3 is the structure schematic view of the bottom plate, the limiting block and the elastic bandage etc.;
[0017] Figure 4 is the structure schematic view of the tension spring, the silica gel sleeve and the foot pad plate etc.;
[0018] Figure 5 is Figure 3 the structure schematic view of the local amplification in A of the figure.
[0019] Mark in the drawing: 1, bottom plate; 2, rotating shaft; 3, foot pad plate; 4, tension spring; 5, limiting block; 6, silica gel sleeve; 7, elastic bandage; 8, pull rope; 9, silica gel pad; 10, fastening bolt; 11, scale line. DETAILED DESCRIPTION
[0020] In order to facilitate understanding of the utility model, the utility model will be described more fully below with reference to the relevant drawings. The utility model can be realized in many different forms, and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.
[0021] Example 1
[0022] As Figures 1 to 5This utility model discloses a lower limb training device for VTE prevention, comprising a base plate 1, a rotating shaft 2, a foot pad 3, a limiting mechanism, and an elastic mechanism. The rotating shaft 2 is rotatably mounted on the base plate 1, and the lower part of the foot pad 3 is fixedly mounted on the rotating shaft 2. An elastic mechanism is provided between the base plate 1 and the foot pad 3, and the elastic mechanism is elastic. The limiting mechanism is installed on the left side of the base plate 1 and has a limiting function. When the patient performs ankle training, the lower limb is extended, and then the lower part of the lower leg is placed on the base plate 1, with the sole of the foot against the right end of the foot pad 3. Then, the toes are hooked, moving the toes towards the side closer to the patient, and then the toes are pressed down, moving the toes away from the patient. During this process, due to the elasticity of the elastic mechanism, the foot pad 3 will always be in close contact with the patient's foot, assisting the patient's ankle movement, promoting blood flow in the ankle, and preventing venous thrombosis. It can assist patients in ankle training, is convenient to use, and has high practicality.
[0023] like Figure 1 , Figure 2 and Figure 4 The elastic mechanism includes two sets of tension springs 4. The lower ends of the two sets of tension springs 4 are fixedly installed at the front and rear ends of the base plate 1, respectively, and the upper ends of the two sets of tension springs 4 are fixedly installed at the front and rear ends of the foot pad 3, respectively. With the above settings, when the patient's foot is placed on the right end of the foot pad 3 for ankle pump training, the elasticity of the tension springs 4 can keep the foot pad 3 in close contact with the patient's foot, thus assisting the patient in ankle pump training.
[0024] like Figure 1 and Figure 3 The limiting mechanism includes a limiting block 5, which is fixedly installed on the upper end of the base plate 1 and located on the left side of the foot pad 3. With the above setting, when the patient's foot is placed on the right end of the foot pad 3 for training, and the foot pad 3 is rotated counterclockwise around the pivot 2, when the left end of the foot pad 3 rotates to contact the limiting block 5, the limiting effect of the limiting block 5 prevents the foot pad 3 from rotating too much, avoids excessive movement of the patient's ankle causing injury, and improves safety and reliability.
[0025] like Figure 1 It also includes a silicone sleeve 6. The foot pad 3 has through holes that connect the left and right sides. The silicone sleeve 6 is installed in the through holes of the foot pad 3. When the patient's ankle is doing a circular motion, the patient's foot passes through the through holes of the foot pad 3, so that the patient's ankle is placed on the silicone sleeve 6. Then, the patient's foot does a 360-degree circular motion with the ankle joint as the center, which facilitates the patient's ankle training.
[0026] like Figure 3It also includes elastic belt 7, the elastic belt 7 is provided with magic tape, one end of the elastic belt 7 is fixedly installed on the bottom plate 1, the other end of the elastic belt 7 is fixedly attached to the bottom plate 1 through magic tape;Through the above setting, when the patient performs the flexion and extension at the ankle, such as the sole is attached to the right end of the foot pad plate 3, and the lower leg is padded on the bottom plate 1, the lower leg of the patient is bound on the bottom plate 1 through the elastic belt 7, which facilitates the fixation of the lower leg of the patient and facilitates the training of the lower leg of the patient.
[0027] As Figure 2 It also includes a pull rope 8, both ends of the pull rope 8 are fixed on the bottom plate 1;Through the above setting, when the patient needs to perform the lifting movement of the lower limb, the lower leg is straightened and padded on the bottom plate 1, and then the pull rope 8 is pulled with both hands, and then the lifting movement of the lower leg is assisted through the bottom plate 1, which improves the convenience.
[0028] As Figure 1 It also includes a silica gel pad 9, which is fixedly installed on the upper end of the bottom plate 1;Through the above setting, when the patient uses the bottom plate 1 and the foot pad plate 3 to perform ankle pump exercise, the lower leg of the patient can be padded on the silica gel pad 9, which improves the comfort.
[0029] As Figure 1 And Figure 5 The bottom plate 1 is provided with a scale line 11, and the surface of the rotating shaft 2 is provided with a mark line, and the mark line points to the scale line 11;Through the above setting, the rotating angle of the rotating shaft 2 can be inferred by the value of the mark line pointing to the scale line 11 on the rotating shaft 2, and then the inclination angle of the foot pad plate 3 is inferred, which facilitates the adjustment of the angle of the foot pad plate 3 during exercise.
[0030] Example 2
[0031] As Figure 1 And Figure 5 On the basis of example 1, it also includes two groups of fastening bolts 10, the front and rear parts of the rotating shaft 2 are provided with external threads, the two groups of fastening bolts 10 are respectively screwed with the front and rear parts of the rotating shaft 2, and the two groups of fastening bolts 10 are provided with handles;When the lower leg of the patient is padded in the silica gel sleeve 6, and the ankle of the patient is trained, the two groups of fastening bolts 10 are rotated in advance, so that the two groups of fastening bolts 10 are respectively in close contact with the front and rear ends of the bottom plate 1, and the rotating shaft 2 is kept stationary by the friction force between the two groups of fastening bolts 10 and the bottom plate 1, so that the foot pad plate 3 can be in a vertical state, and the reliability is improved.
[0032] The pull spring 4, the silica gel sleeve 6, the elastic belt 7, the pull rope 8 and the silica gel pad 9 of the VTE prevention lower limb training device of the utility model are all purchased on the market, and the technical personnel in the industry only needs to install and operate according to the attached instruction manual, without the creative labor of the technical personnel in the field.
[0033] The above merely is the preferred implementation manner of the present application, and it should be noted that, for the ordinary skilled in the art, without departing from the technical principles of the present application, a number of improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present application.
Claims
1. A lower limb training device for VTE prevention, comprising a base plate (1); characterized in that, It also includes the rotating shaft (2), the foot pad plate (3), the limiting mechanism and the elastic mechanism, the rotating shaft (2) is rotatably installed on the bottom plate (1), the lower part of the foot pad plate (3) is fixedly installed on the rotating shaft (2), the elastic mechanism is arranged between the bottom plate (1) and the foot pad plate (3), the elastic mechanism has elasticity, the limiting mechanism is installed on the left part of the bottom plate (1), and the limiting mechanism has the function of limiting.
2. The lower extremity exercise device for VTE prophylaxis according to claim 1, characterized in that, The elastic mechanism includes two groups of tension springs (4), the lower ends of the two groups of tension springs (4) are fixedly installed at the front and rear ends of the bottom plate (1), and the upper ends of the two groups of tension springs (4) are fixedly installed at the front and rear ends of the foot pad plate (3).
3. The lower extremity exercise device for VTE prophylaxis according to claim 1, wherein The limiting mechanism includes a limiting block (5), the limiting block (5) is fixedly installed at the upper end of the bottom plate (1), and the limiting block (5) is located on the left side of the foot pad plate (3).
4. The lower extremity exercise device for VTE prophylaxis of claim 1, wherein, It also includes a silica gel sleeve (6), the foot pad plate (3) is provided with a through hole communicating left and right, and the silica gel sleeve (6) is installed in the through hole of the foot pad plate (3).
5. The lower extremity exercise device for VTE prophylaxis of claim 1, wherein, It also includes an elastic belt (7), the elastic belt (7) is provided with a magic tape, one end of the elastic belt (7) is fixedly installed on the bottom plate (1), and the other end of the elastic belt (7) is fixedly attached to the bottom plate (1) through the magic tape.
6. The lower extremity exercise device for VTE prophylaxis of claim 1, wherein, It also includes a pull rope (8), both ends of the pull rope (8) are fixed on the bottom plate (1).
7. The lower extremity exercise device for VTE prophylaxis of claim 1, wherein, It also includes a silica gel pad (9), which is fixedly installed on the upper end of the bottom plate (1).
8. The lower extremity exercise device for VTE prophylaxis of claim 1, wherein, It also includes two groups of fastening bolts (10), the front and rear parts of the rotating shaft (2) are provided with external threads, the two groups of fastening bolts (10) are respectively screwed with the front and rear parts of the rotating shaft (2), and the two groups of fastening bolts (10) are provided with handles.
9. The lower extremity exercise device for VTE prophylaxis of claim 1, wherein, The bottom plate (1) is provided with a scale line (11), and the surface of the rotating shaft (2) is provided with a mark line, which points to the scale line (11).
Citation Information
Patent Citations
Leg positioning structure of leg rehabilitation training device
CN221332661U