Knee joint postoperative functional rehabilitation device

Abstract

The invention belongs to the technical field of postoperative functional rehabilitation, and discloses a knee joint postoperative functional rehabilitation device which comprises a thigh supporting mechanism, a shank supporting mechanism is arranged below the thigh supporting mechanism, and a thigh comfort mechanism is arranged between the thigh supporting mechanism and the shank supporting mechanism. Thigh auxiliary binding mechanisms are oppositely arranged between the ends, away from the thigh supporting mechanism, of the thigh comfort mechanisms, and uniformly-distributed shank comfort mechanisms are oppositely arranged in the shank supporting mechanism. The bending pressure between the thigh supporting rods is accurately controlled. A user can easily adjust the supporting angle and pressure of the thighs according to the rehabilitation requirements of the user, so that the optimal rehabilitation effect is achieved, the stability of the adjusting knob is enhanced through the design of the limiting column and the limiting hole, and accidental sliding in the adjusting process is prevented. Meanwhile, due to introduction of the torsion spring, the automatic reset function of the knob column is achieved, the durability of the mechanism is improved, the service life of the mechanism is prolonged, in addition, in the passive buckling process of the knee joint under the action of the shank and the gravity of the device, the torsion spring plays a damping role, and the pain feeling of the knee joint in the buckling process can be relieved to the maximum extent.

Description

Technical Field

[0001] The present application relates to the technical field of postoperative functional rehabilitation of knee joint surgery, and more specifically, to a postoperative functional rehabilitation device for knee joint surgery. Background Art

[0002] Knee surgery includes arthroscopic knee ligament injury reconstruction, arthroscopic knee meniscus injury repair, knee prosthesis replacement, open reduction and internal fixation of tibial plateau fracture or femoral condyle fracture, and osteotomy around the knee. After the operation, knee dysfunction will occur to varying degrees due to pain and appropriate restriction of joint movement in the early stage. How to reduce pain and restore knee function as soon as possible under relatively safe conditions has always been a hot topic in postoperative rehabilitation of joint surgery.

[0003] Existing functional rehabilitation devices for knee surgery may cause discomfort to patients if worn for a long time, especially if the material of the device is not soft enough, has poor air permeability or is not designed properly, which will further affect the recovery of the patient's knee joint function. In addition, the rehabilitation device needs to maintain sufficient stability during use to ensure the safety of the affected knee. However, some devices may have risks such as loosening and falling off due to design or manufacturing defects.

[0004] In order to solve the above problems, the present application provides a functional rehabilitation device for postoperative knee joint surgery. Summary of the invention

[0005] The present application provides a functional rehabilitation device for knee joint surgery using the following technical solution:

[0006] A functional rehabilitation device for knee joint surgery comprises a thigh supporting mechanism, a calf supporting mechanism is arranged below the thigh supporting mechanism, a thigh comfort mechanism is arranged relatively between the thigh supporting mechanism, a thigh auxiliary binding mechanism is arranged relatively between one end of the thigh comfort mechanism away from the thigh supporting mechanism, uniformly distributed calf comfort mechanisms are arranged relatively between the calf supporting mechanism, a calf auxiliary binding mechanism is arranged relatively between one end of the calf comfort mechanism away from the calf supporting mechanism, and mutually symmetrical bending pressure adjustment mechanisms are arranged on the top of the outer wall of the calf supporting mechanism.

[0007] Furthermore, the thigh support mechanism and the calf support mechanism are rotatably connected to each other via a rotating shaft, one bottom end of the bending pressure adjustment mechanism is fixed to the top outer wall of the calf support mechanism, and one top end of the bending pressure adjustment mechanism is fixed to the bottom outer wall of the thigh support mechanism, and they are symmetrically distributed.

[0008] Furthermore, the thigh support mechanism includes a thigh support rod, the thigh support rod is symmetrically distributed, and thigh semi-moon fixing rings that are symmetrical with each other in upper and lower directions are arranged between the thigh support rods, a thigh support reinforcing rib is arranged on a protruding side of the thigh semi-moon fixing ring, the thigh semi-moon fixing rings are connected to each other through the thigh support reinforcing rib, the thigh support rod, the thigh semi-moon fixing ring and the thigh support reinforcing rib are fixedly connected to each other by bolts, and the calf support mechanism includes a calf support rod, the calf support rod is symmetrically distributed, and evenly distributed calf semi-moon fixing rings are arranged between the calf support rods, a calf support reinforcing rib is arranged on a protruding side of the calf semi-moon fixing ring, the calf semi-moon fixing rings are connected to each other through the calf support reinforcing rib, the calf support rod, the calf semi-moon fixing ring and the calf support reinforcing rib are fixedly connected to each other by bolts, and the thigh support rod is rotatably connected to the calf support rod via a rotating shaft.

[0009] Furthermore, the calf auxiliary binding mechanism includes calf connecting buckles, the calf connecting buckles are symmetrically distributed, calf buckle connecting parts are provided between the calf connecting buckles, calf skin-friendly parts are provided between the calf buckle connecting parts, one end of the calf buckle connecting part on one side away from the calf skin-friendly part is provided with a calf stretching part, the calf stretching part is provided with a calf tear-off part at one end of the calf buckle connecting part away from the side, a deformable plastic plate is provided on the side of the calf skin-friendly part away from the calf stretching part, a calf Velcro is provided on the side between the calf skin-friendly part and the calf stretching part, the calf auxiliary binding mechanism is fixed to the side of the calf support rod away from each other by the calf connecting buckles and bolts, and the calf connecting buckles are parallel to the calf half-moon fixing ring.

[0010] Furthermore, the calf comfort mechanism includes a calf memory rubber breathable pad, the outer wall of the calf memory rubber breathable pad is provided with a calf half-moon fixing ring yielding groove, the outer sides of the inner walls of the calf half-moon fixing ring yielding groove are relatively provided with evenly distributed clamping protrusions, the calf memory rubber breathable pad is provided with evenly distributed calf bolt yielding grooves located in the calf half-moon fixing ring yielding groove, and the calf comfort mechanism is clamped to the calf half-moon fixing ring through the clamping protrusions.

[0011] Furthermore, the thigh auxiliary binding mechanism includes thigh connecting buckles, which are distributed in four corners, and two thigh connecting buckles form a group, thigh buckle connecting parts are provided between the two groups of thigh connecting buckles, thigh skin-friendly parts are provided between the thigh buckle connecting parts, and thigh Velcro is provided at one end of the thigh buckle connecting part away from the thigh skin-friendly part, and the thigh auxiliary binding mechanism is fixed to the side of the thigh support rod away from each other by the thigh connecting buckles and bolts.

[0012] Furthermore, the thigh comfort mechanism includes a thigh memory rubber breathable pad, which is symmetrically distributed up and down, and a thigh half-moon fixing ring yield groove is opened on one side of the outer wall of the thigh memory rubber breathable pad. The thigh memory rubber breathable pad is provided with evenly distributed thigh bolt yield grooves located in the thigh half-moon fixing ring yield groove, and connecting vertical rods are provided between the symmetrically distributed thigh memory rubber breathable pads. The thigh comfort mechanism is clamped on the thigh half-moon fixing ring through the thigh half-moon fixing ring yield groove.

[0013] Furthermore, the bending pressure adjustment mechanism includes an extension rod, the extension rods are symmetrically distributed, and a bending pressure adjustment shell is provided on the side of the extension rods away from each other, and a knob column is penetrated through the side of the bending pressure adjustment shell away from the extension rod, and a limit column is evenly distributed on the side of the bending pressure adjustment shell away from the extension rod, and the outer wall of the extension rod extended by the knob column is provided with evenly distributed external clamping teeth, and an adjusting knob is slidably connected to the outer wall of the knob column extended by the knob column, and the bottom of the thigh support rods away from each other is provided with an abutment column, and the bottom of the thigh support rods away from each other is provided with a fixing column, and the abutment column is located below the fixing column, a torsion spring surrounded by the center of the knob column is provided in the bending pressure adjustment shell, and one end of the torsion spring is fixed to the knob column at the inner and outer walls of the bending pressure adjustment shell, an internal clamping tooth groove is penetrated through the center position of the adjusting knob, and mutually symmetrical limit holes are penetrated at both ends of one side of the adjusting knob.

[0014] In summary, this application includes the following beneficial technical effects:

[0015] Through the clever cooperation of the knob column, the adjustment knob, the outer card teeth and the inner card teeth, the bending pressure between the thigh support rods can be precisely controlled. Users can easily adjust the support angle and pressure of the thigh according to their own rehabilitation needs, so as to achieve the best rehabilitation effect. The design of the limit column and the limit hole enhances the stability of the adjustment knob and prevents accidental sliding during the adjustment process. At the same time, the introduction of the torsion spring not only realizes the automatic reset function of the knob column, but also increases the durability and service life of the mechanism. In addition, during the passive flexion of the knee joint under the action of the gravity of the calf and the device, the torsion spring plays a damping role, which can minimize the pain during the flexion of the knee joint. The bending pressure adjustment mechanism fully considers the ergonomic principles. Through reasonable layout and design, the entire mechanism is more in line with the human body when in use, providing a more comfortable and natural rehabilitation experience. The bending pressure adjustment mechanism is not only suitable for the rehabilitation of patients after knee surgery, but can also be widely used in other occasions that require precise control of the support angle and pressure, such as physical therapy and rehabilitation training. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1This is a schematic diagram of the overall structure of this application;

[0017] Figure 2 This is a schematic diagram of the structure of the thigh support mechanism of this application;

[0018] Figure 3 This is a schematic diagram of the structure of the calf auxiliary binding mechanism of the present application;

[0019] Figure 4 This is a schematic diagram of the structure of the deformable plastic plate of this application;

[0020] Figure 5 This is a schematic diagram of the structure of the calf comfort mechanism of the present application;

[0021] Figure 6 This is a schematic diagram of the structure of the thigh auxiliary binding mechanism of this application;

[0022] Figure 7 This is a schematic diagram of the thigh comfort mechanism structure of this application;

[0023] Figure 8 This is a schematic diagram of the bending pressure adjustment mechanism structure of the present application;

[0024] Fig. 9 This is a schematic diagram of the torsion spring structure of the present application;

[0025] Fig.10 This is a schematic diagram of the internal card groove structure of this application.

[0026] Description of the numbers in the figure:

[0027] 1. Thigh support mechanism; 101. Thigh support rod; 102. Thigh half-moon fixing ring; 103. Thigh support reinforcement rib; 2. Calf support mechanism; 201. Calf support rod; 202. Calf half-moon fixing ring; 203. Calf support reinforcement rib; 3. Thigh comfort mechanism; 301. Thigh memory rubber breathable pad; 302. Thigh bolt clearance groove; 303. Thigh half-moon fixing ring clearance groove; 304. Connecting vertical rod; 4. Thigh auxiliary binding mechanism; 401. Thigh connecting buckle; 402. Thigh buckle connecting part; 403. Thigh skin-friendly part; 404. Thigh Velcro; 5. Bending pressure adjustment mechanism; 501. Extension column; 502. Bending Bending pressure regulating shell; 503, limiting column; 504, knob column; 505, external clamping teeth; 506, adjusting knob; 507, torsion spring; 508, abutting column; 509, fixing column; 510, internal clamping tooth groove; 511, limiting hole; 6, calf comfort mechanism; 601, calf memory rubber breathable pad; 602, calf bolt clearance groove; 603, calf half-moon fixing ring clearance groove; 604, clamping protrusion; 7, calf auxiliary binding mechanism; 701, calf connecting buckle; 702, calf skin-friendly part; 703, calf buckle connecting part; 704, calf stretching part; 705, calf tear-off part; 706, deformable plastic plate; 707, calf Velcro. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application; obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application without making creative work are within the scope of protection of the present application.

[0029] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present application. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0030] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "set / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0031] Example:

[0032] This application embodiment discloses a functional rehabilitation device for knee joint surgery. Figure 1-Figure 10 , comprising a thigh support mechanism 1, a calf support mechanism 2 is provided below the thigh support mechanism 1, a thigh comfort mechanism 3 is provided between the thigh support mechanism 1, a thigh auxiliary binding mechanism 4 is provided between the ends of the thigh comfort mechanism 3 away from the thigh support mechanism 1, a uniformly distributed calf comfort mechanism 6 is provided between the ends of the calf comfort mechanism 6 away from the calf support mechanism 2, a calf auxiliary binding mechanism 7 is provided between the ends, a symmetrical bending pressure regulating mechanism 5 is provided on the top of the outer wall of the calf support mechanism 2, the thigh support mechanism 1 and the calf support mechanism 2 are both rotatably connected to each other through a rotating shaft, one end of the bottom of the bending pressure regulating mechanism 5 is fixed to the outer wall of the top of the calf support mechanism 2, and one end of the top of the bending pressure regulating mechanism 5 is fixed to the outer wall of the bottom of the thigh support mechanism 1, and they are symmetrically distributed, and are composed of the thigh support mechanism 1, the calf support mechanism 2 and their related auxiliary mechanisms. The calf support mechanism 2 is connected below the thigh support mechanism 1, and the two realize mutual rotation through the rotating shaft to adapt to the bending and extension of the knee joint. Inside the thigh support mechanism 1, there is a thigh comfort mechanism 3 for improving the comfort of the wearer; and at the distal end of the thigh comfort mechanism 3, there is a thigh auxiliary binding mechanism 4 to ensure that the thigh is firmly fixed on the device, and inside the calf support mechanism 2, there are evenly distributed calf comfort mechanisms 6 to provide the necessary support and comfort for the calf. Similarly, at the distal end of the calf comfort mechanism 6, there is also a calf auxiliary binding mechanism 7 to ensure the stability of the calf. In addition, the top of the outer wall of the calf support mechanism 2 is also equipped with mutually symmetrical bending pressure adjustment mechanisms 5, one end of these mechanisms is fixed to the top of the calf support mechanism 2, and the other end is fixed to the bottom of the thigh support mechanism 1, forming a symmetrical distribution, which is used to adjust and adapt to the pressure requirements of the knee joint at different bending angles.

[0033] The thigh support mechanism 1 includes a thigh support rod 101, which is symmetrically distributed. A thigh half-moon fixing ring 102 symmetrically arranged between the thigh support rods 101 is provided. A thigh support reinforcing rib 103 is provided on a raised side of the thigh half-moon fixing ring 102. The thigh half-moon fixing ring 102 is connected to each other through the thigh support reinforcing rib 103. The thigh support rod 101, the thigh half-moon fixing ring 102 and the thigh support reinforcing rib 103 are fixedly connected to each other through bolts. The calf support mechanism 2 includes a calf support rod 201, which is symmetrically distributed. , the calf support rods 201 are provided with evenly distributed calf half-moon fixing rings 202, the calf half-moon fixing rings 202 are provided with calf support reinforcement ribs 203 on the raised side, the calf half-moon fixing rings 202 are connected to each other through the calf support reinforcement ribs 203, the calf support rods 201, the calf half-moon fixing rings 202 and the calf support reinforcement ribs 203 are fixedly connected to each other through bolts, the thigh support rod 101 is rotatably connected to the calf support rod 201 through a rotating shaft, and the thigh support mechanism 1 is mainly composed of the thigh support rod 101, the thigh half-moon fixing rings 102 and the thigh support reinforcement ribs 103. The thigh support rods 101 are symmetrically distributed, and thigh half-moon fixing rings 102 symmetrically arranged between them are provided, and the raised side of these fixing rings is provided with thigh support reinforcement ribs 103 to enhance the structural strength. The thigh support rod 101, the thigh half-moon fixing ring 102 and the thigh support reinforcement rib 103 are tightly fixed by bolts to ensure the stability and durability of the entire thigh support mechanism. The design of the calf support mechanism 2 is similar, consisting of the calf support rod 201, the calf half-moon fixing ring 202 and the calf support reinforcement rib 203. The calf support rods 201 are also symmetrically distributed, and the calf half-moon fixing rings 202 are evenly distributed between them. The raised side of these fixing rings is also equipped with calf support reinforcement ribs 203. The calf support rod 201, the calf half-moon fixing ring 202 and the calf support reinforcement rib 203 are also fixedly connected by bolts to ensure the stability of the calf support mechanism. The thigh support mechanism 1 and the calf support mechanism 2 are flexibly rotated and connected by a rotating shaft. This design allows the device to adapt to the bending and extension of the knee joint at different angles, thereby providing comprehensive rehabilitation support for users.

[0034] The calf auxiliary binding mechanism 7 includes a calf connecting buckle 701, and the calf connecting buckles 701 are symmetrically distributed. The calf connecting buckles 701 are relatively provided with a calf buckle connecting part 703, and the calf buckle connecting parts 703 are relatively provided with a calf skin-friendly part 702. The calf buckle connecting part 703 on one side is provided with a calf stretching part 704 at one end away from the calf skin-friendly part 702, and the calf stretching part 704 is provided with a calf tearing part 705 at one end away from the calf buckle connecting part 703 on one side. The calf skin-friendly part 702 is away from the calf stretching part A deformable plastic plate 706 is provided on one side of 704, and a calf Velcro 707 is provided on the opposite side between the calf skin-friendly part 702 and the calf stretching part 704. The calf auxiliary binding mechanism 7 is fixed to the side of the calf support rod 201 away from each other through the calf connecting buckle 701 and bolts, and the calf connecting buckle 701 is parallel to the calf semi-lunar fixing ring 202. The calf auxiliary binding mechanism 7 is an important component of the functional rehabilitation device after knee surgery. It is designed to ensure that the calf can be firmly fixed on the device while providing the necessary comfort and adjustability. The mechanism is mainly composed of calf connection buckle 701, calf buckle connection part 703, calf skin-friendly part 702, calf stretching part 704, calf tearing part 705, deformable plastic plate 706 and calf Velcro 707. The calf connection buckle 701 is symmetrically distributed and fixed to the side of the calf support rod 201 away from each other by bolts to ensure the stable connection between the binding mechanism and the support mechanism. These buckles are parallel to the calf half-moon fixing ring 202, ensuring the symmetry and stability of the whole device. The calf buckle connection part 703 is arranged between the calf connection buckle 701 and is used to connect the calf skin-friendly part 702 and the calf stretching part 704. The calf skin-friendly part 702 is made of soft material, close to the calf skin, and provides a comfortable wearing experience. At the same time, a deformable plastic plate 706 is provided on the side of the skin-friendly part away from the stretching part. The plastic plate has a certain elasticity and can be appropriately deformed according to the shape of the calf, further enhancing the fit and stability of wearing. The calf stretching part 704 is designed to adjust the tightness of the binding to meet the needs of different calf circumferences. A calf tear-off part 705 is provided at one end of the stretching part away from the buckle connection part, so that the user can easily adjust or disassemble the binding mechanism as needed. In addition, a calf Velcro 707 is provided on the opposite side between the calf skin-friendly part 702 and the calf stretching part 704. Through the bonding effect of the Velcro, the user can quickly and conveniently adjust the tightness of the binding to ensure the stability and comfort of the calf during the rehabilitation process.

[0035] The calf comfort mechanism 6 includes a calf memory rubber breathable pad 601, and the outer wall of the calf memory rubber breathable pad 601 is provided with a calf half-moon fixing ring yielding groove 603, and the outer sides of the inner walls of the calf half-moon fixing ring yielding groove 603 are relatively provided with evenly distributed clamping protrusions 604. The calf memory rubber breathable pad 601 is located in the calf half-moon fixing ring yielding groove 603 and is penetrated by evenly distributed calf bolt yielding grooves 602. The calf comfort mechanism 6 is clamped to the calf half-moon fixing ring 202 through the clamping protrusion 604. The calf comfort mechanism 6 is a key component in the functional rehabilitation device after knee surgery, and is intended to provide users with comfortable and fitting support. The mechanism is mainly composed of a calf memory rubber breathable pad 601. This material not only has good air permeability, but also can adapt to the shape of the calf in a memory manner, providing personalized comfort. The outer wall of the calf memory rubber breathable pad 601 is cleverly provided with a calf half-moon fixing ring clearance groove 603. These clearance grooves are designed to ensure that the calf half-moon fixing ring 202 can pass through and fix smoothly without affecting the fit and comfort of the breathable pad. On the outer side of the relative inner wall of the clearance groove, there are evenly distributed clamping protrusions 604. These protrusions play a key clamping role, which can firmly fix the calf comfort mechanism 6 on the calf half-moon fixing ring 202, ensuring the stability and reliability of the entire device. In addition, on the calf memory rubber breathable pad 601, the area located in the calf half-moon fixing ring clearance groove 603 is also penetrated by evenly distributed calf bolt clearance grooves 602. These clearance grooves are designed to facilitate the passage and fixation of the bolts, thereby further enhancing the connection strength and stability between the calf comfort mechanism 6 and the calf support mechanism 2 .

[0036] The thigh auxiliary binding mechanism 4 includes thigh connecting buckles 401, which are distributed in four corners, and two thigh connecting buckles 401 form a group, and thigh buckle connecting parts 402 are provided between the two groups of thigh connecting buckles 401, and thigh skin-friendly parts 403 are provided between the thigh buckle connecting parts 402. One end of the thigh buckle connecting part 402 away from the thigh skin-friendly part 403 is provided with a thigh Velcro 404. The thigh auxiliary binding mechanism 4 is fixed to the side of the thigh support rod 101 away from each other through the thigh connecting buckles 401 and bolts. The thigh connecting buckles 401 are distributed in four corners, and each group of two buckles are arranged opposite to each other. Such a layout ensures that the binding mechanism can be evenly distributed around the thigh support rod 101 to provide comprehensive fixed support. These buckles are fixed to the side of the thigh support rod 101 away from each other by bolts, realizing a stable connection with the support mechanism. The thigh buckle connection part 402 is arranged between the thigh connection buckles 401, and they are connected to the thigh skin-friendly part 403, forming the main part of the binding mechanism. The thigh skin-friendly part 403 is made of soft and breathable material, close to the thigh skin, providing good comfort and fit. The end of the thigh buckle connection part 402 on one side away from the thigh skin-friendly part 403 is provided with a thigh Velcro 404. The design of the Velcro allows the user to quickly and conveniently adjust the tightness of the binding as needed, ensuring the stability and comfort of the thigh during the rehabilitation process.

[0037] The thigh comfort mechanism 3 includes a thigh memory rubber breathable pad 301, which is symmetrically distributed up and down, and a thigh half-moon fixing ring clearance groove 303 is opened on one side of the outer wall of the thigh memory rubber breathable pad 301. The thigh memory rubber breathable pad 301 is provided with a thigh bolt clearance groove 302 evenly distributed in the thigh half-moon fixing ring clearance groove 303. The symmetrically distributed thigh memory rubber breathable pads 301 are relatively provided with connecting vertical rods 304. The thigh comfort mechanism 3 is clamped on the thigh half-moon fixing ring 102 through the thigh half-moon fixing ring clearance groove 303. The thigh memory rubber breathable pad 301 is made of memory rubber material and has good air permeability and shape memory function. They are symmetrically distributed up and down, can fit the shape of the thigh closely, and provide personalized comfort. On one side of the outer wall of the thigh memory rubber breathable pad 301, a thigh half-moon fixing ring clearance groove 303 is cleverly opened. These clearance grooves are designed to ensure that the thigh half-moon fixing ring 102 can pass through and be fixed smoothly, while not affecting the fit and comfort of the breathable pad. In order to allow the bolts to pass through and fix the connection between the thigh comfort mechanism 3 and the thigh support mechanism 1 smoothly, the area inside the thigh half-moon fixing ring clearance groove 303 on the thigh memory rubber breathable pad 301 is penetrated by evenly distributed thigh bolt clearance grooves 302. These clearance grooves not only facilitate the passage and fixation of the bolts, but also ensure the stability and reliability of the entire device. In addition, connecting vertical rods 304 are arranged between the symmetrically distributed thigh memory rubber breathable pads 301. These vertical rods play a role in strengthening the connection and stabilizing the structure, further enhancing the overall stability and durability of the thigh comfort mechanism 3.

[0038] The bending pressure adjustment mechanism 5 includes an extension rod 501, and the extension rod 501 is symmetrically distributed. A bending pressure adjustment shell 502 is provided on the side of the extension rod 501 away from each other. A knob column 504 is penetrated through the side of the bending pressure adjustment shell 502 away from the extension rod 501. A limit column 503 is evenly distributed with the knob column 504 as the center point on the side of the bending pressure adjustment shell 502 away from the extension rod 501. Evenly distributed external teeth 505 are provided on the outer wall of the knob column 504 extending from the extension rod 501. An adjustment knob 506 is slidably connected to the outer wall of the knob column 504 extending from the extension rod. The thigh support rods 101 are away from each other. Abutment columns 508 are provided at the bottom of one side, and a fixing column 509 is provided at the bottom of the side away from the thigh support rod 101, and the abutment column 508 is located below the fixing column 509. A torsion spring 507 is provided in the bending pressure adjustment shell 502, which is surrounded by the center of the knob column 504, and one end of the torsion spring 507 is fixed to the knob column 504 on the inner and outer walls of the bending pressure adjustment shell 502. An inner tooth groove 510 is provided at the center of the adjustment knob 506, and symmetrical limiting holes 511 are provided at both ends of one side of the adjustment knob 506. The extension rods 501 are symmetrically distributed, and they are connected to the thigh support rod 101, playing the role of supporting and transmitting pressure. On the side away from the extension rods 501, a bending pressure adjustment shell 502 is provided, and these shells provide protection for the internal adjustment mechanism. The knob column 504 passes through the side of the bending pressure adjustment shell 502 away from the extension rod 501, and the user can adjust the bending pressure by rotating the knob column. The outer wall of the knob column 504 is provided with uniformly distributed outer teeth 505, which cooperate with the inner tooth grooves 510 in the adjustment knob 506 to achieve precise adjustment and fixation. The adjustment knob 506 is slidably connected to the knob column 504. The user can adjust its position by rotating and sliding the adjustment knob, thereby changing the bending pressure between the thigh support rods 101. In order to enhance the stability of the adjustment knob 506, both ends of one side thereof are penetrated with mutually symmetrical limiting holes 511, which cooperate with the limiting column 503 to prevent the adjustment knob from accidentally sliding during the adjustment process. The abutment column 508 and the fixing column 509 are respectively arranged at the bottom of the side of the thigh support rod 101 away from each other. They work together with the bending pressure adjustment mechanism 5 to achieve precise control of the thigh support angle and pressure. The abutment column 508 is located below the fixed column 509, and can adjust the bending degree of the thigh support rod 101 by cooperating with the adjustment mechanism. A torsion spring 507 centered on the knob column 504 is provided in the bending pressure adjustment housing 502. One end of the torsion spring is fixed to the knob column 504, and the other end is fixed to the inner wall of the housing.When the user rotates the knob column, the torsion spring will deform and store energy. When the user releases the knob column, the torsion spring will release energy and drive the knob column back to its original position, thereby realizing automatic resetting of the adjustment knob position. In addition, during the passive flexion of the knee joint under the action of the gravity of the calf and the device, the torsion spring plays a damping role, which can minimize the pain during the flexion of the knee joint.

[0039] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A functional rehabilitation device for knee joint surgery, comprising a thigh support mechanism (1), characterized in that: A calf support mechanism (2) is provided below the thigh support mechanism (1); a thigh comfort mechanism (3) is provided between the thigh support mechanism (1); a thigh auxiliary binding mechanism (4) is provided between the ends of the thigh comfort mechanism (3) away from the thigh support mechanism (1); uniformly distributed calf comfort mechanisms (6) are provided between the ends of the calf comfort mechanism (6) away from the calf support mechanism (2); and symmetrical bending pressure adjustment mechanisms (5) are provided on the top of the outer wall of the calf support mechanism (2).

2. The postoperative functional rehabilitation device for knee joint according to claim 1, characterized in that: The thigh support mechanism (1) and the calf support mechanism (2) are rotatably connected to each other via a rotating shaft; one end of the bottom of the bending pressure adjustment mechanism (5) is fixed to the top outer wall of the calf support mechanism (2); and one end of the top of the bending pressure adjustment mechanism (5) is fixed to the bottom outer wall of the thigh support mechanism (1), and they are symmetrically distributed.

3. The postoperative functional rehabilitation device for knee joint according to claim 2, characterized in that: The thigh support mechanism (1) comprises a thigh support rod (101), the thigh support rod (101) is symmetrically distributed, thigh half-moon fixing rings (102) are arranged between the thigh support rods (101) and are symmetrical with each other, a thigh support reinforcing rib (103) is arranged on a raised side of the thigh half-moon fixing ring (102), the thigh half-moon fixing rings (102) are connected to each other via the thigh support reinforcing rib (103), the thigh support rod (101), the thigh half-moon fixing ring (102) and the thigh support reinforcing rib (103) are fixedly connected to each other via bolts, and the calf support mechanism (2) comprises a calf The support rod (201) is symmetrically distributed, and evenly distributed calf half-moon fixing rings (202) are arranged between the calf support rods (201). A calf support reinforcing rib (203) is arranged on a protruding side of the calf half-moon fixing ring (202). The calf half-moon fixing rings (202) are connected to each other via the calf support reinforcing rib (203). The calf support rod (201), the calf half-moon fixing ring (202) and the calf support reinforcing rib (203) are fixedly connected to each other via bolts, and the thigh support rod (101) is rotatably connected to the calf support rod (201) via a rotating shaft.

4. The postoperative functional rehabilitation device for knee joint according to claim 3, characterized in that: The calf auxiliary binding mechanism (7) comprises a calf connection buckle (701), the calf connection buckles (701) are symmetrically distributed, the calf connection buckles (701) are provided with calf buckle connection parts (703) respectively, the calf buckle connection parts (703) are provided with calf skin-friendly parts (702) respectively, and the calf buckle connection parts (703) on one side are provided with a calf stretching part (704) at one end away from the calf skin-friendly part (702), and the calf stretching part (704) is away from the calf buckle connection part (703) on one side. 03) are provided with a calf tear-off portion (705) at one end, a deformable plastic plate (706) is provided on the side of the calf skin-friendly portion (702) away from the calf stretching portion (704), a calf Velcro (707) is provided on the side opposite to the calf skin-friendly portion (702) and the calf stretching portion (704), the calf auxiliary binding mechanism (7) is fixed to the side of the calf support rod (201) away from each other through a calf connecting buckle (701) and a bolt, and the calf connecting buckle (701) is parallel to the calf half-moon fixing ring (202).

5. The postoperative functional rehabilitation device for knee joint according to claim 4, characterized in that: The calf comfort mechanism (6) comprises a calf memory rubber breathable pad (601), the outer wall of the calf memory rubber breathable pad (601) is provided with a calf half-moon fixing ring giving groove (603), the outer sides of the inner walls of the calf half-moon fixing ring giving groove (603) are provided with evenly distributed clamping protrusions (604), the calf memory rubber breathable pad (601) is located in the calf half-moon fixing ring giving groove (603) and is penetrated by evenly distributed calf bolt giving grooves (602), and the calf comfort mechanism (6) is clamped to the calf half-moon fixing ring (202) through the clamping protrusions (604).

6. The postoperative functional rehabilitation device for knee joint according to claim 5, characterized in that: The thigh auxiliary binding mechanism (4) comprises thigh connection buckles (401), the thigh connection buckles (401) are distributed in four corners, and two thigh connection buckles (401) form a group, and thigh buckle connection parts (402) are arranged between the two groups of thigh connection buckles (401), and thigh skin-friendly parts (403) are arranged between the thigh buckle connection parts (402), and a thigh Velcro (404) is arranged at one end of the thigh buckle connection part (402) away from the thigh skin-friendly part (403). The thigh auxiliary binding mechanism (4) is fixed to the side of the thigh support rod (101) away from each other through the thigh connection buckles (401) and bolts.

7. The postoperative functional rehabilitation device for knee joint according to claim 6, characterized in that: The thigh comfort mechanism (3) comprises a thigh memory rubber breathable pad (301), the thigh memory rubber breathable pad (301) is symmetrically distributed up and down, a thigh half-moon fixing ring clearance groove (303) is opened on one side of the outer wall of the thigh memory rubber breathable pad (301), and thigh bolt clearance grooves (302) distributed evenly are penetrated in the thigh half-moon fixing ring clearance groove (303) on the thigh memory rubber breathable pad (301), and connecting vertical rods (304) are arranged between the symmetrically distributed thigh memory rubber breathable pads (301), and the thigh comfort mechanism (3) is clamped on the thigh half-moon fixing ring (102) through the thigh half-moon fixing ring clearance groove (303).

8. The postoperative functional rehabilitation device for knee joint according to claim 7, characterized in that: The bending pressure regulating mechanism (5) comprises an extension rod (501), the extension rod (501) is symmetrically distributed, and the sides of the extension rods (501) away from each other are each provided with a bending pressure regulating shell (502), and the side of the bending pressure regulating shell (502) away from the extension rod (501) is penetrated by a knob column (504), and the side of the bending pressure regulating shell (502) away from the extension rod (501) is each provided with a limit column (503) evenly distributed with the knob column (504) as the center point, and the outer wall of the knob column (504) extending out of the extension rod (501) is provided with evenly distributed external teeth (505), and the outer wall of the knob column (504) extending out of the extension rod (501) is slidably connected with an adjusting knob. (506), abutment columns (508) are provided at the bottom of the side of the thigh support rod (101) away from each other, and a fixing column (509) is provided at the bottom of the side of the thigh support rod (101) away from each other, and the abutment column (508) is located below the fixing column (509), and a torsion spring (507) surrounding the center of the knob column (504) is provided in the bending pressure regulating shell (502), and one end of the torsion spring (507) and the knob column (504) are fixed to each other on the inner and outer walls of the bending pressure regulating shell (502), an inner tooth groove (510) is penetrated at the center position of the regulating knob (506), and mutually symmetrical limiting holes (511) are penetrated at both ends of one side of the regulating knob (506).

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