Fixing brace for leg rehabilitation training

Abstract

The utility model discloses a fixing brace for leg rehabilitation training, which relates to the technical field of medical rehabilitation equipment and comprises a thigh fixing mechanism, a first support frame, a second support frame, a buffer component, a shank fixing mechanism and a foot support. The first supporting frame is fixedly arranged on the side face of the thigh fixing mechanism, the second supporting frame is fixedly arranged on the side face of the shank fixing mechanism, and the first supporting frame is movably connected with the second supporting frame. The buffering assembly is arranged between the first supporting frame and the second supporting frame, when the thighs bend towards the shanks, the buffering assembly can store bending force, and when the thighs return, the stored force is released; the foot support is arranged at the bottom end of the shank fixing mechanism, and the foot support provides stable support for the whole fixing brace; the buffering assembly comprises a connecting piece, a damping hydraulic rod, a damping hydraulic cylinder and a fixing piece. The damping hydraulic rod is arranged in the damping hydraulic cylinder, and hydraulic oil is arranged in the damping hydraulic cylinder; one end of the connecting piece is fixedly arranged on the first supporting frame, the connecting piece is arranged close to the joint of the first supporting frame and the second supporting frame, and the other end of the connecting piece is movably connected with the top end of the damping hydraulic rod; one end of the fixing piece is fixedly arranged on the second supporting frame, and the other end of the fixing piece is fixedly connected with the bottom end of the damping hydraulic cylinder.

Description

Technical Field

[0001] This utility model belongs to the field of medical rehabilitation equipment technology, specifically relating to a leg rehabilitation training fixation brace. Background Technology

[0002] The lower limb is a multi-layered sheath-like region formed by bones, muscles, blood vessels, nerves, and superficial and deep fascia and skin. It can be divided into two layers: the superficial layer, composed of skin and superficial fascia, within which are abundant superficial veins, lymphatic vessels, and cutaneous nerves. The deep layer consists of deep fascia, muscles, blood vessels, nerves, and bones, forming several important local structures and core structures through the blood vessels and nerves and their pathways. During medical rehabilitation, patients with leg injuries or after surgery typically require rehabilitation training to restore leg function.

[0003] However, traditional rehabilitation training methods mainly rely on manual assistance or simple equipment, resulting in problems such as insignificant training effects and non-standardized training processes. Furthermore, existing leg rehabilitation training equipment often has limited functionality; for example, when performing leg flexion rehabilitation training, current equipment often only provides fixation and support, failing to assist patients in rebound training. This frequently causes discomfort during rehabilitation and cannot meet the individualized needs of different patients. Therefore, designing a fixation brace that can effectively assist leg rehabilitation training, is multifunctional, and easy to use is of significant practical importance. Utility Model Content

[0004] The purpose of this utility model is to provide a leg rehabilitation training fixation brace to solve the technical problems in the background art, namely, that "traditional rehabilitation training methods mainly rely on manual assistance or simple instruments, resulting in problems such as insignificant training effects and non-standardized training processes; in addition, existing leg rehabilitation training equipment often has limited functions. For example, when performing leg flexion rehabilitation training, existing leg rehabilitation training equipment often only provides fixation and support and cannot help patients perform assisted rebound training, which often causes discomfort to patients during the rehabilitation process and cannot meet the personalized needs of different patients."

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0006] A leg rehabilitation training fixation brace includes a thigh fixation mechanism, a first support frame, a second support frame, a cushioning component, a lower leg fixation mechanism, and a footrest;

[0007] The first support frame is fixed to the side of the thigh fixation mechanism, and the second support frame is fixed to the side of the calf fixation mechanism. The first support frame and the second support frame are movably connected.

[0008] The buffer assembly is located between the first support frame and the second support frame. When the thigh bends towards the calf, the buffer assembly can store the bending force and release the stored force when the thigh returns to its original position.

[0009] The footrest is located at the bottom of the lower leg fixing mechanism, and the footrest provides stable support for the entire fixing bracket.

[0010] The buffer assembly includes: a connector, a damping hydraulic rod, a damping hydraulic cylinder, and a fixing component;

[0011] The damping hydraulic rod is disposed inside the damping hydraulic cylinder, and the damping hydraulic cylinder is filled with hydraulic oil;

[0012] One end of the connector is fixed to the first support frame, the connector is located near the connection between the first support frame and the second support frame, and the other end of the connector is movably connected to the top end of the damping hydraulic rod.

[0013] One end of the fixing member is fixed to the second support frame, and the other end of the fixing member is fixedly connected to the bottom end of the damping hydraulic cylinder.

[0014] The above technical solution offers the following advantages: Compared to existing technologies, this leg rehabilitation training fixation brace effectively improves the overall structure and assembly method of the thigh fixation mechanism, the first support frame, the second support frame, the buffer component, and the lower leg fixation mechanism. By adding thigh and lower leg fixation mechanisms for support and fixation of the thigh and lower leg respectively, it ensures the brace will not loosen or slip during use. The flexible connection between the thigh and lower leg fixation mechanisms using the first and second support frames ensures the patient can perform leg flexion and extension movements within a certain range, ensuring significant rehabilitation training effects and a standardized training process. Furthermore, the inclusion of a buffer component between the first and second support frames, which is connected to... The device consists of a connector, a damping hydraulic rod, a damping hydraulic cylinder, and a fixing component. This ensures that when the patient performs leg flexion and extension movements, the damping hydraulic rod and cylinder of the buffer assembly can store energy and release it when the leg extends, providing assisted rebound, reducing the patient's exertion burden, and promoting the contraction and relaxation of leg muscles. This addresses the technical problems of "traditional rehabilitation training methods mainly relying on manual assistance or simple equipment, resulting in unclear training effects and non-standardized training processes; furthermore, existing leg rehabilitation training equipment often has limited functionality; for example, existing leg rehabilitation training equipment often only provides fixed support during leg flexion rehabilitation training and cannot help patients with assisted rebound training, often causing discomfort during the rehabilitation process."

[0015] As a further improvement to the above technical solution, the first support frame and the second support frame are provided in two sets;

[0016] The first support frame is symmetrically arranged on the outside of the thigh fixation mechanism, and the second support frame is symmetrically arranged on the outside of the calf fixation mechanism.

[0017] The above technical solution has the following advantages: by setting two sets of the first support frame and the second support frame, and symmetrically arranging them on the outside of the thigh fixation mechanism and the calf fixation mechanism, the stability between the thigh fixation mechanism and the calf fixation mechanism is further ensured.

[0018] As a further improvement to the above technical solution, the thigh fixation mechanism includes a thigh brace, a first fixing strap, and a first tightening member;

[0019] One side of the thigh brace is an open structure;

[0020] The first support frame is fixed to the thigh brace, and the first support frame is symmetrically arranged on both sides outside the opening of the thigh brace;

[0021] One end of the first fixing strap is fixed to the first support frame, and the first tightening member is symmetrically arranged on the opposite side of the first support frame.

[0022] The first fixing strap and the first tightening member cooperate with each other to fasten the thigh brace.

[0023] The above technical solution has the following advantages: by using a leg fixation mechanism consisting of a thigh brace, a first fixation strap, and a first tightening member, the thigh brace is made of high-strength, breathable material to ensure a comfortable fit to the patient's thigh while providing stable support. The adjustable tightening between the first fixation strap and the first tightening member further ensures that the brace will not loosen or slip during use, and also ensures that it can meet the personalized needs of different patients.

[0024] As a further improvement to the above technical solution, the lower leg fixing mechanism includes a lower leg brace, a second fixing strap, and a second tightening member;

[0025] One side of the calf brace is designed as an open structure;

[0026] The second support frame is fixed to the calf protector, and the second support frame is symmetrically arranged on both sides outside the opening of the calf protector;

[0027] One end of the second fixing strap is fixed to the second support frame, and the second tightening member is symmetrically arranged on the opposite side of the second support frame;

[0028] The second fixing strap cooperates with the second tightening member to fasten the calf brace.

[0029] The above technical solution has the following advantages: By using a calf fixation mechanism consisting of a calf brace, a second fixation strap, and a second tightening component, the calf brace is made of high-strength, breathable material to ensure a comfortable fit to the patient's calf while providing stable support. The adjustable tightening between the second fixation strap and the second tightening component further ensures that the brace will not loosen or slip during use, and further ensures that it can meet the personalized needs of different patients.

[0030] As a further improvement to the above technical solution, a pivot is provided at the connection between the first support frame and the second support frame.

[0031] The above technical solution has the following benefits: By providing a pivot at the connection between the first support frame and the second support frame, the pivot provides a key support point and rotation axis for the flexion and extension movements of the leg. It connects the thigh fixation mechanism and the lower leg fixation mechanism, allowing the patient's leg to perform natural and smooth bending and extension movements around the pivot during rehabilitation training, simulating normal joint activities of the human body, which helps to restore the leg's motor function, etc.

[0032] As a further improvement to the above technical solution, the number of buffer components is at least one, and it is located between the connection between the first support frame and the second support frame.

[0033] The above technical solution has the following advantages: by using multiple cushioning components, it can effectively disperse the impact force when the leg is bent, adapt to different complex rehabilitation movement patterns, and ensure more precise cushioning adjustment, thereby improving the stability and reliability of the brace.

[0034] As a further improvement to the above technical solution, the footrest is located at the bottom of the calf protector, and the bottom of the footrest is provided with an anti-slip pad.

[0035] The above technical solution has the following benefits: by providing anti-slip pads at the bottom of the footrest, it ensures that the brace does not suddenly slip during leg extension movements, preventing the patient from losing balance or even falling and causing secondary injury to the leg, and ensuring the safety of rehabilitation exercises.

[0036] As a further improvement to the above technical solution, the number of the first fixing belt and the first tightening member is several.

[0037] The above technical solution has the following advantages: by setting the number of first fixing straps and first tightening components to a certain extent, multiple fixing methods can be used to ensure enhanced stability of the thigh, and personalized fixing and precise control of pressure distribution can also be achieved, thereby solving technical problems such as "existing rehabilitation braces cannot meet the personalized needs of different patients".

[0038] As a further improvement to the above technical solution, the number of the second fixing belt and the second tightening member is several.

[0039] The above technical solution has the following advantages: by setting the number of second fixing straps and second tightening members to a certain extent, multiple sets of fixing methods are used to ensure the enhanced stability of the lower leg. Attached Figure Description

[0040] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0041] Figure 1 A left-side view of the leg rehabilitation training fixation brace provided by this utility model;

[0042] Figure 2 Right view schematic diagram of the leg rehabilitation training fixation brace provided by this utility model;

[0043] Figure 3 A front view schematic diagram of the leg rehabilitation training fixation brace provided by this utility model;

[0044] Explanation of reference numerals in the attached figures;

[0045] 1- Thigh fixation mechanism; 11- Thigh protector; 12- First fixing strap; 13- First tightening member; 2- First support frame; 3- Second support frame; 4- Buffer assembly; 41- Connector; 42- Damping hydraulic rod; 43- Damping hydraulic cylinder; 44- Fixing member; 5- Lower leg fixation mechanism; 51- Lower leg protector; 52- Second fixing strap; 53- Second tightening member; 6- Footrest; 61- Anti-slip mat; 7- Rotating shaft. Detailed Implementation

[0046] Example 1

[0047] To make the objectives, technical solutions, and advantages of this utility model clearer, the following detailed description of this utility model is provided in conjunction with the embodiments.

[0048] like Figures 1 to 3 As shown, a leg rehabilitation training fixation brace includes a thigh fixation mechanism 1, a first support frame 2, a second support frame 3, a cushioning component 4, a lower leg fixation mechanism 5, and a footrest 6.

[0049] The first support frame 2 is fixed to the side of the thigh fixation mechanism 1, and the second support frame 3 is fixed to the side of the calf fixation mechanism 5. The first support frame 2 and the second support frame 3 are movably connected.

[0050] The buffer assembly 4 is located between the first support frame 2 and the second support frame 3. When the thigh bends towards the calf, the buffer assembly 4 can store the bending force and release the stored force when the thigh returns to its original position.

[0051] The foot support 6 is located at the bottom of the lower leg fixing mechanism 5, and the foot support 6 provides stable support for the entire fixing bracket.

[0052] The buffer assembly 4 includes: a connector 41, a damping hydraulic rod 42, a damping hydraulic cylinder 43, and a fixing member 44;

[0053] The damping hydraulic rod 42 is disposed inside the damping hydraulic cylinder 43, and the damping hydraulic cylinder 43 is filled with hydraulic oil;

[0054] One end of the connector 41 is fixed on the first support frame 2. The connector 41 is located near the connection between the first support frame 2 and the second support frame 3. The other end of the connector 41 is movably connected to the top end of the damping hydraulic rod 42.

[0055] One end of the fixing member 44 is fixed to the second support frame 3, and the other end of the fixing member 44 is fixedly connected to the bottom end of the damping hydraulic cylinder 43. The overall structure and assembly method of the thigh fixing mechanism 1, the first support frame 2, the second support frame 3, the buffer assembly 4, and the lower leg fixing mechanism 5 have been effectively improved. By adding the thigh fixing mechanism 1 and the lower leg fixing mechanism 5 for supporting and fixing the thigh and lower leg respectively, it is ensured that the brace will not loosen or slip during use. The thigh fixing mechanism 1 and the lower leg fixing mechanism 5 are flexibly connected by the first support frame 2 and the second support frame 3. To ensure that patients can perform leg flexion and extension movements within a certain range, and to ensure that their rehabilitation training is effective and the training process is standardized, a buffer component 4 is provided between the first support frame 2 and the second support frame 3. The buffer component 4 consists of a connector 41, a damping hydraulic rod 42, a damping hydraulic cylinder 43, and a fixing component 44. This ensures that when the patient performs leg flexion and extension movements, the damping hydraulic rod 42 and the damping hydraulic cylinder 43 of the buffer component 4 can store energy and release energy when the leg is extended, providing assisted rebound, reducing the patient's exertion burden, and promoting the contraction and relaxation of leg muscles.

[0056] In this embodiment, two sets of the first support frame 2 and the second support frame 3 are provided;

[0057] The first support frame 2 is symmetrically arranged on the outside of the thigh fixation mechanism 1, and the second support frame 3 is symmetrically arranged on the outside of the calf fixation mechanism 5. By setting two sets of the first support frame 2 and the second support frame 3, and symmetrically arranged on the outside of the thigh fixation mechanism 1 and the calf fixation mechanism 5 respectively, the stability between the thigh fixation mechanism 1 and the calf fixation mechanism 5 is further ensured.

[0058] In this embodiment, the thigh fixation mechanism 1 includes a thigh brace 11, a first fixing strap 12, and a first tightening member 13;

[0059] One side of the thigh brace 11 is an open structure;

[0060] The first support frame 2 is fixed on the thigh protector 11, and the first support frame 2 is symmetrically arranged on both sides of the opening of the thigh protector 11.

[0061] One end of the first fixing strap 12 is fixed to the first support frame 2, and the first tightening member 13 is symmetrically arranged on the opposite side of the first support frame 2.

[0062] The first fixing strap 12 and the first tightening member 13 cooperate with each other to fasten the thigh brace 11. By adopting the thigh fixing mechanism 1 as a combination of thigh brace 11, first fixing strap 12 and first tightening member 13, the thigh brace 11 is made of high-strength and breathable material to ensure that it can comfortably fit the patient's thigh and provide stable support. The adjustable tightening between the first fixing strap 12 and the first tightening member 13 further ensures that the brace will not loosen or slip during use, and also ensures that it can meet the personalized needs of different patients.

[0063] In this embodiment, the lower leg fixing mechanism 5 includes a lower leg brace 51, a second fixing strap 52, and a second tightening member 53;

[0064] The lower leg brace 51 has an open structure on one side;

[0065] The second support frame 3 is fixed on the lower leg guard 51, and the second support frame 3 is symmetrically arranged on both sides of the opening of the lower leg guard 51.

[0066] One end of the second fixing strap 52 is fixed on the second support frame 3, and the second tightening member 53 is symmetrically arranged on the opposite side of the second support frame 3.

[0067] The second fixing strap 52 and the second tightening member 53 cooperate with each other to fasten the calf brace 51. By using the calf brace 51, the second fixing strap 52 and the second tightening member 53 to form the calf fixing mechanism 5, the calf brace 51 is made of high-strength and breathable material to ensure that it can comfortably fit the patient's calf and provide stable support. The adjustable tightening between the second fixing strap 52 and the second tightening member 53 further ensures that the brace will not loosen or slip during use, and further ensures that it can meet the personalized needs of different patients.

[0068] In this embodiment, a pivot 7 is provided at the connection between the first support frame 2 and the second support frame 3. By providing a pivot 7 at the connection between the first support frame 2 and the second support frame 3, the pivot 7 provides a key support point and rotation axis for the flexion and extension movements of the leg. It connects the thigh fixation mechanism 1 and the calf fixation mechanism 5, so that when the patient is undergoing rehabilitation training, the leg can perform natural and smooth bending and extension movements around the pivot, simulating normal joint activities of the human body, which helps to restore the leg's motor function.

[0069] In this embodiment, at least one buffer component 4 is provided, and it is located between the connection between the first support frame 2 and the second support frame 3. By using multiple buffer components 4, it is possible to ensure that the impact force during leg bending is dispersed, so as to adapt to different complex rehabilitation exercise patterns, and to ensure that more precise buffer adjustment is provided, thereby improving the stability and reliability of the brace.

[0070] In this embodiment, the footrest 6 is located at the bottom of the calf brace 51, and the bottom of the footrest 6 is provided with an anti-slip pad 61. By providing an anti-slip pad 61 at the bottom of the footrest 6, it is possible to prevent the brace from suddenly sliding during leg extension movements, which could cause the patient to lose balance or even fall, resulting in secondary injury to the leg, and to ensure the safety of rehabilitation exercises.

[0071] In this embodiment, the number of first fixing straps 12 and first tightening members 13 is several; by setting the number of first fixing straps 12 and first tightening members 13 to several, multiple sets of fixing methods can be used to ensure the stability of the thigh, and personalized fixing and precise control of pressure distribution can also be achieved.

[0072] In this embodiment, the number of second fixing straps 52 and second tightening members 53 is several; by setting the number of second fixing straps 52 and second tightening members 53 in several ways, multiple sets of fixing methods are used to ensure the enhanced stability of the lower leg.

[0073] In this embodiment, the thigh brace 11 and calf brace 51 are also equipped with protective cotton. The protective cotton has ventilation holes. During rehabilitation training, the patient's legs are prone to sweating. Excessive sweat may cause the skin to become damp, itchy, or even cause skin inflammation. The protective cotton can absorb this sweat and allow for ventilation, keeping the leg skin dry.

[0074] In this embodiment, the damping hydraulic rod 42 and the damping hydraulic cylinder 43 are used in accordance with existing conventional technology. For example, a pressure rod and spring can also be used for buffering, which will not be described in detail here.

[0075] In this embodiment, the thigh brace 11 and the calf brace 51 can also be fastened using Velcro to ensure the simplicity and convenience of their fixation method.

[0076] Specific usage of this utility model:

[0077] Step 1: First, unfold the first fixing strap 12 on the thigh brace 11 and the second fixing strap 52 on the calf brace 51; place the thigh and calf in the appropriate positions, and tighten the first fixing strap 12 on the thigh brace 11 through the first tightening member 13 and the second fixing strap 52 on the calf brace 51 through the second tightening member 53; second, adjust the length of the thigh fixing strap so that it can comfortably wrap around the thigh, but not too tight or too loose. Generally speaking, the fixing strap should be able to insert one finger.

[0078] Step 2: Install the buffer assembly 4. Place the damping hydraulic rod 42 in the buffer assembly 4 inside the damping hydraulic cylinder 43, which contains hydraulic oil. Fix one end of the connector 41 to the first support frame 2 and position the connector 41 near the connection between the first support frame 2 and the second support frame 3. Movably connect the other end of the connector 41 to the top of the damping hydraulic rod 42. Fix one end of the fixing member 44 to the second support frame 3 and fix the other end of the fixing member 44 to the bottom of the damping hydraulic cylinder 43. Check to ensure that the buffer assembly 4 is securely installed and will not fall off or loosen during use. Gently pull the rebound assist mechanism to check if its connection is stable.

[0079] Step 3: After installation, carefully check the entire brace installation to ensure that all parts are securely installed and there are no loose or missing parts. Check the comfort and fit of the brace, and adjust the tightness of the fixing straps so that the brace fits comfortably on the legs without being too tight or too loose. Try some simple leg movements, such as flexion, extension, and rotation, and check whether the cushioning component 4 of the brace is working properly.

[0080] It should be noted that, in this document, the terms “comprising,” “including,” or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0081] This article uses specific examples to illustrate the principles and implementation methods of this utility model. The above examples are only used to help understand the method and core ideas of this utility model.

[0082] The above are merely preferred embodiments of this utility model. It should be noted that, due to the limitations of written expression, and the existence of an infinite number of specific structures, those skilled in the art can make several improvements, modifications, or variations without departing from the principle of this utility model, and can also combine the above-mentioned technical features in an appropriate manner. These improvements, modifications, variations, or combinations, or the direct application of the concept and technical solution of the utility model to other occasions without modification, should all be considered as protection of this utility model.

Claims

1. A leg rehabilitation training fixation brace, characterized in that, Thigh fixing mechanism (1), first support frame (2), second support frame (3), buffer assembly (4), calf fixing mechanism (5) and foot support (6) are included; The first support frame (2) is fixedly arranged on the side of the thigh fixing mechanism (1), and the second support frame (3) is fixedly arranged on the side of the calf fixing mechanism (5); the first support frame (2) is movably connected with the second support frame (3); The buffer assembly (4) is arranged between the first support frame (2) and the second support frame (3); when the thigh is bent towards the calf, the buffer assembly (4) can store the bending force, and the stored force is released when the thigh returns to the original position; The foot support (6) is arranged at the bottom end of the calf fixing mechanism (5), and the foot support (6) provides stable support for the entire fixing support; The buffer assembly (4) comprises a connecting piece (41), a damping hydraulic rod (42), a damping hydraulic cylinder (43) and a fixing piece (44); The damping hydraulic rod (42) is arranged in the damping hydraulic cylinder (43), and the damping hydraulic cylinder (43) is filled with hydraulic oil; One end of the connecting piece (41) is fixedly arranged on the first support frame (2), and the connecting piece (41) is arranged at the connecting position of the first support frame (2) and the second support frame (3); the other end of the connecting piece (41) is movably connected with the top end of the damping hydraulic rod (42); One end of the fixing piece (44) is fixedly arranged on the second support frame (3), and the other end of the fixing piece (44) is fixedly connected with the bottom end of the damping hydraulic cylinder (43).

2. The leg rehabilitation training fixed brace according to claim 1, characterized in that, The first support frame (2) and the second support frame (3) are arranged in two groups; The first support frame (2) is symmetrically arranged on the outer side of the thigh fixing mechanism (1), and the second support frame (3) is symmetrically arranged on the outer side of the calf fixing mechanism (5).

3. The leg rehabilitation training fixed brace according to claim 2, characterized in that, The thigh fixing mechanism (1) comprises a thigh protector (11), a first fixing belt (12) and a first tightening piece (13); One side of the thigh protector (11) is an open structure; The first support frame (2) is fixedly arranged on the thigh protector (11), and the first support frame (2) is symmetrically arranged on both sides of the opening of the thigh protector (11); One end of the first fixing belt (12) is fixedly arranged on the first support frame (2), and the first tightening piece (13) is symmetrically arranged on the first support frame (2) on the other side; The first fixing belt (12) and the first tightening piece (13) are matched with each other to tighten the thigh protector (11).

4. The leg rehabilitation training fixed brace according to claim 2, characterized in that, The calf fixing mechanism (5) comprises a calf protector (51), a second fixing belt (52) and a second tightening piece (53); One side of the calf protector (51) is an open structure; The second support frame (3) is fixedly arranged on the calf protector (51), and the second support frame (3) is symmetrically arranged on both sides of the opening of the calf protector (51); One end of the second fixing belt (52) is fixedly arranged on the second support frame (3), and the second tightening piece (53) is symmetrically arranged on the second support frame (3) on the other side; The second fixing belt (52) cooperates with the second tightening member (53) to tighten the calf protector (51).

5. The leg rehabilitation training fixed brace according to claim 1, characterized in that, The first support frame (2) is connected with the second support frame (3) and is provided with a rotating shaft (7).

6. The leg rehabilitation training fixed brace according to claim 5, characterized in that, The number of the buffer assemblies (4) is at least one, and the buffer assemblies (4) are arranged between the first support frame (2) and the second support frame (3).

7. The leg rehabilitation training fixed brace according to claim 4, characterized in that, The foot support (6) is arranged at the bottom end of the calf protector (51), and the bottom of the foot support (6) is provided with an anti-skid pad (61).

8. The leg rehabilitation training fixed brace according to claim 3, characterized in that, The number of the first fixing belts (12) and the first tightening members (13) is several.

9. The leg rehabilitation training fixed brace according to claim 4, characterized in that, The number of the second fixing belts (52) and the second tightening members (53) is several.

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