Bionic correction device and correction method for rehabilitation of deformed legs

Abstract

The bionic correction device comprises a knee pad, at least two pneumatic muscle correctors are fixed in the length direction of the knee pad, each pneumatic muscle corrector comprises an air inlet fixing piece located at the air inlet end and an air closing fixing piece located at the closed end, the air inlet fixing piece is provided with an air inlet hole channel, and the air closing fixing piece is provided with an air outlet hole channel. The air inlet hole channel is sequentially connected with a pipe connector, a first pipe connector cover, a pneumatic muscle assembly, a second pipe connector cover and a pipe connector plug in series, and the pipe connector plug is fixedly connected to the air closing fixing piece. The pneumatic muscle assembly comprises an elastic inner pipe and a bent constraint outer pipe which are connected in a sleeved mode, a pipe opening in one end of the elastic inner pipe is connected with a first pipe connector cover, and a pipe opening in the other end of the elastic inner pipe is connected with a second pipe connector cover. An expansion convex arc area is formed on the other side, opposite to the binding line, of the bent binding outer pipe and faces the kneecap. The bionic muscle bundle provides comfort and safety through inflation and bending of the pneumatic muscle assembly.

Description

Technical Field

[0001] The invention belongs to the technical field of medical equipment and relates to a leg treatment device, in particular to a bionic correction device and correction method for rehabilitation of deformed legs. Background Art

[0002] With the aging of the population and the increase in the number of patients with sports injuries, the demand for lower limb deformity correction, especially O-leg rehabilitation treatment, is growing. Traditional correction methods mostly rely on rigid braces or invasive surgery, which have problems such as poor comfort, single adjustment dimension, and long recovery period. In recent years, the development of flexible drive technology has brought new ideas to the field of rehabilitation medicine. Among them, pneumatic artificial muscles, with their biological muscle-like soft characteristics and high power density advantages, have shown unique application value in human-computer interaction scenarios.

[0003] Existing O-leg correction devices generally use mechanical hinges with screw adjustment structures. The rigid connection method easily leads to local stress concentration, which affects the wearing comfort. Although surgical correction can quickly improve the bone morphology, there is a risk of infection and it is impossible to achieve progressive mechanical stimulation. Some studies have tried to apply traditional pneumatic components to correction equipment. However, the linear output characteristics of conventional cylinders are difficult to match the rotational motion requirements of human joints, and there are defects such as response hysteresis and low control accuracy.

[0004] For example, Chinese patent document 201120086683.9 discloses an O-shaped leg correction device, including a correction positioning plate, the correction positioning plate includes a thigh and knee inner side positioning plate and a calf correction positioning plate, the knee inner side positioning plate and the calf correction positioning plate are combined into one, at least one air bag body is arranged on the inner side of the calf correction positioning plate, two adjacent air bags are connected by an air guide tube, and a one-way air supply air bag connected to the air bag body is arranged on the outer side of the correction positioning plate. The correction positioning plate is put on the leg, the calf is in the calf correction positioning plate, and the thigh and knee inner side positioning plate is wrapped around the inner side of the thigh and knee, so that when stepping on the one-way air supply air bag, the air bag body on the inner side of the correction positioning plate is filled with gas, squeezing the calf, and the air bag body squeezes the calf while driving the thigh and knee inner side positioning plate to apply a pressure to the knee, squeezing the knee at the same time, so that the calf and the knee are squeezed and stressed at the same time, achieving the purpose of rapid correction.

[0005] In the above technical solution, although the leg compression is corrected by the airbag, the multiple airbags adopt a dispersed structure, and the air pressure direction of the airbag is divergent, that is, the airbag should have equal pressure at all angles, resulting in the gas pressure being unstable and unconcentrated, and unable to effectively perform specific treatment for the O-shaped legs, whether they are leaning forward or backward (at different angles), affecting the correction efficiency and effect. Summary of the invention

[0006] The purpose of the present invention is to solve the above problems in the prior art and to propose a bionic correction device and correction method for deformed legs.

[0007] The objectives of the present invention can be achieved through the following technical solutions: a bionic correction device for the rehabilitation of deformed legs, comprising a knee pad, at least two pneumatic muscle correctors are fixed along the length direction of the knee pad, the pneumatic muscle correctors include an air intake fixing part located at the air intake end and an air closing fixing part located at the closed end, an air intake channel is provided on the air intake fixing part, a pipe connection head, a pipe joint cover 1, a pneumatic muscle assembly, a pipe joint cover 2 and a pipe connection plug are connected in series on the inner side of the air intake channel in sequence, the pipe connection plug is fixedly connected to the air closing fixing part, and the pipe connection head is connected to an external quick connector through a trachea; the pneumatic muscle assembly includes an elastic inner tube and a curved restraint outer tube which are sleeved together, one end of the elastic inner tube is connected to the pipe joint cover 1, and the other end of the elastic inner tube is connected to the pipe joint cover 2, one side of the curved restraint outer tube has a restraint line parallel to the axis, and the other side of the curved restraint outer tube opposite to the restraint line forms an expansion convex arc area, and the expansion convex arc area is arranged toward the knee pad.

[0008] Preferably, the elastic inner tube is a silicone tube, the curved restraining outer tube is a woven mesh sleeve, the woven mesh sleeve has a plurality of annular woven patterns arranged continuously along the axial direction, a restraining line is sewn axially on the surface of the woven mesh sleeve, and the area where the restraining line is sewn contains a plurality of sections of the annular woven patterns.

[0009] Preferably, the air intake fixing member is a shell with a concave cavity, the shell includes an end head and a surrounding wall, one side of the surrounding wall is closed by the end head, and the other side of the surrounding wall is open, a partition is arranged between the end head and the surrounding wall, an air intake hole is arranged on the end head, a mounting hole is correspondingly arranged on the partition, and the air intake hole corresponds to the mounting hole to form the air intake channel, and the shell has a veneer; The air-tight fixing member is a second shell with a concave cavity, the second shell includes a second end head and a second surrounding wall, one side of the second surrounding wall is closed by the second end head, and the other side of the second surrounding wall is open, a second partition plate is arranged between the second end head and the second surrounding wall, an assembly hole is provided on the second partition plate, and the second shell has a second veneer; The first veneer and the second veneer are connected to the outer surface of the knee pad.

[0010] Preferably, the side of the curved restraint outer tube facing the first veneer and the second veneer is an expansion convex arc area, and the side of the curved restraint outer tube away from the first veneer and the second veneer is sewn with a restraint line.

[0011] Preferably, a plurality of air inlet channels are provided on the air inlet fixing member, and the plurality of air inlet channels are distributed in a rectangular array. The corresponding number of assembly holes are distributed in a rectangular array, and the corresponding number of pneumatic muscle components are distributed in a rectangular array. Each adjacent pair of bent restraint outer tubes are connected by a connecting line. The bent restraint outer tubes adjacent to the first veneer and the second veneer have an expanded convex arc region. Binding lines are sewn on the bent restraint outer tubes facing away from the first veneer and the second veneer. The number of annular braided knots sewn in each connecting line is less than the number of annular braided knots sewn in each binding line.

[0012] Preferably, a threaded section one and a boss one are provided on the inner peripheral wall of the pipe joint cover one. The pipe connecting head includes a head one and a screw rod one. A step one is formed between the head one and the screw rod one. The pipe connecting head has a T-shaped hole inside. An internal thread one is provided in the mounting hole of the partition one. The head end of the elastic inner tube is sleeved on the outer periphery of the head one. The pipe joint cover one is sleeved on the head one and the outer periphery of the elastic inner tube. The boss one abuts against the step one to form an axial limit. The threaded section one presses the elastic inner tube to form a seal. The screw rod one penetrates through the mounting hole to form a threaded meshing connection. The air pipe penetrates into the air inlet hole and is sleeved on the screw rod one. The air pipe communicates with the inlet of the T-shaped hole.

[0013] Preferably, a threaded section two and a boss two are provided on the inner peripheral wall of the pipe joint cover two. The pipe plug includes a head two and a screw rod two. A step two is formed between the head two and the screw rod two. An internal thread two is provided in the assembly hole of the partition two. The tail end of the elastic inner tube is sleeved on the outer periphery of the head two. The pipe joint cover two is sleeved on the head two and the outer periphery of the elastic inner tube. The boss two abuts against the step two to form an axial limit. The threaded section two presses the elastic inner tube to form a seal. The screw rod two extends out of the pipe joint cover two and forms a threaded meshing connection with the assembly hole.

[0014] Preferably, a number of connecting holes one are opened on the first veneer, and a number of connecting holes two are opened on the second veneer. The connecting holes one of adjacent two air inlet fixing members are connected by a fixing line. The connecting holes two of adjacent two air blocking fixing members are connected by a fixing line. The connecting holes one and the connecting holes two are sewn on the knee pad by a fixing line.

[0015] A correction method for a bionic correction device for the rehabilitation of deformed legs includes the following steps: S1. Put on the knee pad on the leg and cover the knee joint area, so that the pneumatic muscle corrector is located on the outside of the knee joint, and the first veneer of the pneumatic muscle corrector is attached to the outside of the thigh, and the second veneer of the pneumatic muscle corrector is attached to the outside of the calf, so that the pneumatic muscle components correspond to the knee joint; S2. Connect the inflating device to the trachea, open the quick connector to inflate. The air flow enters the elastic inner tube through the tube connector. The gradually increasing air pressure drives the elastic inner tube to expand radially and axially. During the expansion process, the binding line on the outer side of the outer tube cannot be stretched or bent, driving the elastic inner tube to bulge and bend inward into an arc; S3. The bulging arc of the elastic inner tube presses inward against the outward-expanded knee joint. Close the quick connector, disconnect the inflating device, maintain the air pressure value inside the pneumatic muscle corrector, and correct the outward-expanded knee joint back to its normal shape through continuous pneumatic pressure.

[0016] Preferably, the elastic inner tube is a silica gel tube, and the air pressure range in the silica gel tube is 0 mpa - 0.25 mpa.

[0017] Compared with the prior art, the bionic correction device and correction method for the rehabilitation of deformed legs have the following beneficial effects: 1. Bionic mechanics principle: Adopt bionic design, develop an O-shaped topological structure with a bionic muscle bundle arrangement, imitate the natural biomechanical characteristics of the human body. Through the inflation and bending of the pneumatic muscle components, the knee joint can more naturally restore its original physiological shape during the correction process. This bionic principle reduces the common hard constraints and discomfort in traditional correction devices, and the natural flexibility of the pneumatic muscles eliminates the risk of soft tissue damage caused by rigid contact, providing a more comfortable and safe correction experience.

[0018] 2. Targeted correction: The device is designed for targeted correction of O-shaped legs or knee joint deformities. The pneumatic muscle corrector generates air pressure through inflation, driving the bending of the elastic inner tube and the outer tube with bending constraints, gradually correcting the outward-expanded knee joint to its normal shape by applying pressure on the outer side of the knee joint, thus providing an effective correction means. Different air pressure combinations can meet the needs of different patients, with a high degree of personalized customization ability.

[0019] 3. Ergonomic: The veneer design of the device (veneer one and veneer two) fits the outer side of the leg, ensuring that the pneumatic muscle corrector is consistent with the natural curve of the human body, reducing discomfort during use. Through precise structural arrangements of the pneumatic muscle components, the air pressure can act evenly on the knee joint, thereby achieving the best correction effect.

[0020] 4. Strong adaptability: Due to the use of a composite material of silica gel tube and nylon braided mesh sleeve, the device has good elasticity and flexibility. After the pneumatic muscle components are inflated, it can flexibly adapt to the bending requirements of the knee joint, control the bending degree through the binding line, and at the same time avoid excessive restriction that may cause damage to human soft tissues. The structural design of the outer tube with bending constraints ensures the balance between support and compliance.

[0021] 5. Stability and Durability: The design adopts advanced pneumatic technology. The precision structure of the air intake fixing part and the airtight fixing part provides stable air pressure control and airtightness, ensuring the long-term stable use of the pneumatic muscle component. Through threaded connection and interference fit technology, the airtightness between the silicone tube and the pipe joint is enhanced, avoiding air leakage and improving the reliability and service life of the device.

[0022] 6. Portability and Adjustability: The correction device adopts a convenient knee brace design. Patients can simply wear it to cover the knee joint area, making it portable and easy to use. The inflation process of the pneumatic muscle component can be completed through an inflation device, and the operation is simple and easy. By adjusting the air pressure range (0 - 0.25 MPa), different correction intensities and compliance can be achieved, enabling it to adapt to different degrees of knee joint deformities and providing customized treatment.

[0023] 7. Comfort and Non-Invasiveness: Compared with traditional surgical or rigid correction devices, this device adopts soft materials and pneumatic correction technology, so it has high comfort and non-invasiveness. During the treatment process, patients will not feel excessive pressure or pain, and are more likely to accept and adhere to the use.

[0024] 8. Easy Installation and Adjustment: The structure design of the device is simple, and threaded connection methods are mostly used, which is convenient for installation and disassembly. Patients can wear and treat at home daily without relying too much on professionals. According to the needs of different treatment stages, the inflation degree of the pneumatic muscle component can be flexibly adjusted to meet the needs of patients' rehabilitation at different stages.

[0025] 9. Comprehensive Functions: This device not only has a correction function but also provides a certain degree of support function, which can help reduce the pain or discomfort caused by knee joint deformities in patients, thereby improving the patients' daily activity ability and quality of life.

[0026] Generally speaking, this bionic correction device for the rehabilitation of deformed legs combines the advantages of pneumatic technology and flexible materials, can effectively and comfortably correct O-shaped legs or knee joint deformities, and has adjustability and high stability, with broad application prospects and treatment effects. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a three-dimensional structure diagram of two pneumatic muscle orthoses in the present invention.

[0028] Figure 2 It is another three-dimensional structure diagram of two pneumatic muscle orthoses in the present invention from another perspective.

[0029] Figure 3 It is an exploded structure diagram of the pneumatic muscle orthosis in the present invention.

[0030] Figure 4This is the intake assembly cross-sectional view of the intake fixing part in the present invention.

[0031] Figure 5 This is the assembly cross-sectional view of the pneumatic muscle component in the present invention.

[0032] Figure 6 This is the integrated three-dimensional view of four groups of pneumatic muscle components in the present invention.

[0033] Figure 7 This is the three-dimensional structural diagram of the pipe connection joint and the first pipe joint cover in the present invention.

[0034] Figure 8 This is the three-dimensional structural diagram of the pipe connection plug and the second pipe joint cover in the present invention.

[0035] Figure 9 This is the bending force application correction diagram of the pneumatic muscle corrector in the present invention.

[0036] Figure 10 This is the O-shaped leg correction flow chart of the present invention.

[0037] In the figure, 1. Intake fixing part; 1a. First end; 1a1. Intake hole; 1b. First enclosure wall; 1c. First partition; 1c1. Mounting hole; 1d. First facing; 1d1. First connecting hole; 2. Pipe connection joint; 2a. T-shaped hole; 3. First pipe joint cover; 3a. First threaded section; 4. Elastic inner tube; 5. Bending restraint outer tube; 6. Second pipe joint cover; 6a. Second threaded section; 7. Pipe connection plug; 8. Airtight fixing part; 8a. Second facing; 8a1. Second connecting hole; 9. Binding line; 10. Connecting line; 11. Fixing line; 12. Air pipe; 13. Quick connector. Detailed implementation manners

[0038] The following are specific embodiments of the present invention and in combination with the attached drawings, the technical solutions of the present invention are further described, but the present invention is not limited to these embodiments.

[0039] Embodiment 1, as Figures 1 to 8As shown in the figure, the bionic correction device for the rehabilitation of deformed legs includes a knee guard, which can be purchased as an existing finished product and is required to have a strong binding elastic force. At least two pneumatic muscle correctors are fixed along the length direction of the knee guard. The pneumatic muscle corrector includes an air inlet fixing member 1 at the air inlet end and an airtight fixing member 8 at the closed end. An air inlet passage is opened on the air inlet fixing member 1. A pipe joint adapter 2, a pipe joint cover 1 3, a pneumatic muscle assembly, a pipe joint cover 2 6, and a pipe plug 7 are sequentially connected in series inside the air inlet passage. The pipe plug 7 is fixedly connected to the airtight fixing member 8. The pipe joint adapter 2 is connected to an external quick connector 13 through an air pipe 12. The pneumatic muscle assembly includes an elastic inner tube 4 and a bent binding outer tube 5 sleeved with each other. One end of the elastic inner tube 4 is connected to the pipe joint cover 1 3, and the other end of the elastic inner tube 4 is connected to the pipe joint cover 2 6. One side of the bent binding outer tube 5 has a binding line 9 parallel to the axis. On the other side of the bent binding outer tube 5 opposite to the binding line 9, an inflated convex arc area is formed, and the inflated convex arc area faces the knee guard.

[0040] As Figure 3 , Figure 5 and Figure 6 shown, preferably, the elastic inner tube 4 is a silicone tube, and the bent binding outer tube 5 is a braided mesh sleeve. The braided mesh sleeve has a number of annular braided patterns arranged continuously along the axis. The binding line 9 is sewn along the axis on the surface of the braided mesh sleeve, and several annular braided patterns are included in the area where the binding line 9 is sewn.

[0041] The silicone tube has a certain elasticity and can provide a certain supporting force after inflation, and can also be bent correspondingly according to the binding direction. The braided mesh sleeve is a circular tube structure woven from nylon ropes. The nylon material has a certain elasticity and can better adapt to bending deformation. An existing device is used to interweave nylon ropes to form a continuous concave-convex wave shape, and each protruding part forms an annular braided pattern. The braided mesh sleeve is an existing product and can be directly purchased for assembly.

[0042] The braided mesh sleeve is sleeved on the outer periphery of the silicone tube, and there is a suitable gap between the braided mesh sleeve and the silicone tube to provide an appropriate fitting space after the silicone tube is bent. According to the need of the bending degree, the number of sections of the annular braided pattern sewn by the binding line 9 is adjusted, and the length of one side of several sections of the annular braided pattern is constrained by a section of the binding line 9.

[0043] As Figures 2 to 4 shown, preferably, the air inlet fixing member 1 is a housing 1 with a concave cavity. The housing 1 includes a head 1a and a surrounding wall 1b. One side of the surrounding wall 1b is closed by the head 1a, and the other side of the surrounding wall 1b is open. A partition 1c is provided between the head 1a and the surrounding wall 1b. An air inlet hole 1a1 is opened on the head 1a, and a mounting hole 1c1 is correspondingly opened on the partition 1c. The air inlet hole 1a1 and the mounting hole 1c1 form an air inlet passage. The housing 1 has a contact surface 1d; The airtight fixing member 8 is a second housing with a concave cavity. The second housing includes a second end and a second surrounding wall. One side of the second surrounding wall is closed by the second end, and the other side of the second surrounding wall is open. A second partition is provided between the second end and the second surrounding wall, and an assembly hole is formed in the second partition. The second housing has a second attachment surface 8a; The first attachment surface 1d and the second attachment surface 8a are connected to the outer surface of the knee pad.

[0044] Such as Figure 1 and Figure 2 As shown, except that the air intake fixing member 1 is provided with an air intake channel and the airtight fixing member 8 is provided with an assembly hole, the structures of the air intake fixing member 1 and the airtight fixing member 8 are basically the same, and the two are symmetrically arranged. The first end 1a and the second end are both spherical shells, and the first surrounding wall 1b and the second surrounding wall are both arc walls. The first attachment surface 1d and the second attachment surface 8a are planes or concave arc surfaces with a small radian. The first attachment surface 1d / second attachment surface 8a extends from the first surrounding wall 1b / second surrounding wall to the first end 1a / second end. The first attachment surface 1d and the second attachment surface 8a are used to attach to the knee pad to form a connection surface.

[0045] Preferably, the side of the curved binding outer tube 5 facing the first attachment surface 1d and the second attachment surface 8a is an expanded convex arc region, and a binding thread 9 is sewn on the side of the curved binding outer tube 5 facing away from the first attachment surface 1d and the second attachment surface 8a.

[0046] Such as Figure 9 As shown, since the first attachment surface 1d and the second attachment surface 8a are the sides attached to the leg, in order to correct the outwards-expanded O-shaped legs, the curved binding outer tube 5 forms an expanded convex arc through the side close to the leg, and uses pneumatic pressure to press the outwards-expanded O-shaped legs inwards to achieve the correction purpose.

[0047] Such as Figure 1 and Figure 6 As shown, preferably, the air intake fixing member 1 is provided with a plurality of air intake channels, the plurality of air intake channels are distributed in a rectangular array, the corresponding number of assembly holes are distributed in a rectangular array, and the corresponding number of pneumatic muscle components are distributed in a rectangular array. Each adjacent two curved binding outer tubes 5 are connected by a connecting line 10. The curved binding outer tubes 5 adjacent to the first attachment surface 1d and the second attachment surface 8a have an expanded convex arc region, and a binding thread 9 is sewn on the curved binding outer tubes 5 facing away from the first attachment surface 1d and the second attachment surface 8a. The number of looped braided knots sewn in each section of the connecting line 10 is less than the number of looped braided knots sewn in each section of the binding thread 9.

[0048] Such as Figure 2 and Figure 6As shown in the figure, in this solution, a series connection structure of four air intake channels, four assembly holes, four sets of pipe connectors 2, pipe connector caps 1 3, pneumatic muscle components, pipe connector caps 2 6, and pipe plugs 7 is specifically adopted. The four sets of series connection structures are connected between the air intake fixing part 1 and the airtight fixing part 8, and the four sets of series connection structures are arranged in a square matrix, that is, each set of series connection structures is arranged and distributed at 90°. In the left-right and up-down directions, four curved restraint outer tubes 5 arranged in a square matrix are sewn into a whole through the connecting line 10, so as to integrate the four pneumatic muscle components into an overall pneumatic muscle set effect. The connecting line 10 only plays a connecting role and has no restraint effect, so each annular braided pattern of adjacent curved restraint outer tubes 5 is sewn. Among the four pneumatic muscle components, the inner side surfaces of the two curved restraint outer tubes 5 close to the first veneer 1d and the second veneer 8a are expansion convex arc regions, and restraint lines 9 are sewn on the outer side surfaces of the two curved restraint outer tubes 5 far from the first veneer 1d and the second veneer 8a. Of course, other numbers of pneumatic muscle components can be adopted, such as 2, 6, 8, etc., and 3 pneumatic muscle components can also be used for aggregation, but the stability of odd numbers is lower than that of even numbers.

[0049] As Figure 6 and Figure 9 shown, the curved restraint outer tube 5 is specifically provided with 22 sections of annular braided patterns, and two sections of restraint lines 9 are sewn correspondingly, that is, the first section of restraint line 9 is sewn on the 1st to 11th sections of annular braided patterns, and the second section of restraint line 9 is sewn on the 12th to 22nd sections of annular braided patterns. Each section of restraint line 9 restricts the length of one side of 11 sections of annular braided patterns. In the inflated state, the other side expands due to air pressure, and the unequal lengths of the two sides drive the pneumatic muscle component to generate a bent state. Of course, the number of sections of annular braided patterns sewn by each section of restraint line 9 can be adjusted according to different bending degree requirements.

[0050] As Figure 5 and Figure 7 shown, preferably, a first threaded section 3a and a first boss are provided on the inner peripheral wall of the pipe connector cap 1 3. The pipe connector 2 includes a first head and a first screw rod. A first step is formed between the first head and the first screw rod. The pipe connector 2 has a T-shaped hole 2a inside. An internal thread 1 is provided in the mounting hole 1c1 of the first partition 1c. The first end of the elastic inner tube 4 is sleeved on the outer periphery of the first head. The pipe connector cap 1 3 is sleeved on the outer peripheries of the first head and the elastic inner tube 4. The first boss abuts against the first step to form an axial limit. The first threaded section 3a presses the elastic inner tube 4 to form a seal. The first screw rod penetrates through the mounting hole 1c1 to form a threaded engagement connection. The air pipe 12 penetrates into the air intake hole 1a1 and is sleeved on the first screw rod. The air pipe 12 communicates with the inlet of the T-shaped hole 2a.

[0051] Clamp the head end of the silica gel tube between the tube connection head 2 and the tube joint cover 1-3. The silica gel tube, the tube connection head 2 and the tube joint cover 1-3 form an interference fit, and the friction force with the silica gel tube is increased through the threaded section 1-3a, which is more conducive to the sealing stability formed after inflation in the silica gel tube. Tighten and screw the screw 1 of the tube connection head 2 with the mounting hole 1c1, and use the air inlet fixing part 1 to press the tube joint cover 1-3 and the tube connection head 2 to form the head end assembly of the pneumatic muscle component. The nozzle of the air tube 12 is hermetically pasted on the outer periphery of the screw 1 with glue, and at the same time, the inlet of the T-shaped hole 2a is located inside the air tube 12 to form a communication state. After inflation is completed, close the quick connector 13 to prevent air leakage in the silica gel tube.

[0052] As Figure 5 and Figure 8 shown, preferably, a threaded section 2-6a and a second boss are provided on the inner peripheral wall of the tube joint cover 2-6. The tube plug 7 includes a second head and a second screw. A second step is formed between the second head and the second screw. The assembly hole of the second partition has an internal thread 2. The tail end of the elastic inner tube 4 is sleeved on the outer periphery of the second head. The tube joint cover 2-6 is sleeved on the outer peripheries of the second head and the elastic inner tube 4. The second boss abuts against the second step to form an axial limit. The threaded section 2-6a presses the elastic inner tube 4 to form a seal. The second screw extends out of the tube joint cover 2-6 and is threadedly engaged with the assembly hole.

[0053] Clamp the tail end of the silica gel tube between the tube plug 7 and the tube joint cover 2-6. The silica gel tube, the tube plug 7 and the tube joint cover 2-6 form an interference fit, and the friction force with the silica gel tube is increased through the threaded section 2-6a, which is more conducive to the sealing stability formed after inflation in the silica gel tube. Tighten and screw the second screw of the tube plug 7 with the airtight fixing part 8, and use the airtight fixing part 8 to press the tube joint cover 2-6 and the tube plug 7 to form the tail end assembly of the pneumatic muscle component.

[0054] As Figure 5 shown, one end of the braided mesh sleeve is sleeved on the outer periphery of the tube joint cover 1-3, and the other end is sleeved on the outer periphery of the tube joint cover 2-6. Tie the braided mesh sleeve tightly with a thread at the groove of the tube joint cover 1-3 / tube joint cover 2-6, and then perform secondary fastening with 502 or hot melt adhesive.

[0055] As Figure 2 shown, preferably, a number of first connection holes 1d1 are opened on the first veneer 1d, and a number of second connection holes 8a1 are opened on the second veneer 8a. The first connection holes 1d1 of two adjacent air inlet fixing parts 1 are connected by a fixing wire 11. The second connection holes 8a1 of two adjacent airtight fixing parts 8 are connected by a fixing wire 11. The first connection holes 1d1 and the second connection holes 8a1 are sewn on the knee pad with a fixing wire 11.

[0056] Two rows of connecting holes 1d1 are respectively arranged on the left and right sides of the first veneer 1d to form a symmetrical structure, and two rows of connecting holes 8a1 are respectively arranged on the left and right sides of the second veneer 8a to form a symmetrical structure. First, the two pneumatic muscle components are arranged side by side in a left-right symmetrical structure, and the adjacent two rows of connecting holes 1d1 and two rows of connecting holes 8a1 are connected by the fixing wire 11 to achieve the connection effect of the two pneumatic muscle components. Then, the fixing wire 11 is used to sew the two pneumatic muscle components on the knee pad through the connecting hole 1d1 and the connecting hole 8a1 to form a fixation.

[0057] Embodiment 2, based on Embodiment 1, the difference in this embodiment is that: As Figure 9 And Figure 10 Shown, a correction method for a bionic correction device for deformed leg rehabilitation includes the following steps: S1. A knee pad is sleeved on the leg and covers the knee joint area, so that the pneumatic muscle corrector is located on the outside of the knee joint, and the first veneer 1d of the pneumatic muscle corrector is attached to the outside of the thigh, and the second veneer 8a of the pneumatic muscle corrector is attached to the outside of the calf, so that the pneumatic muscle components correspond to the knee joint; S2. The inflation device is connected to the trachea 12, the quick connector 13 is opened for inflation, and the air flow enters the elastic inner tube 4 through the tube connector 2. The gradually increasing air pressure drives the elastic inner tube 4 to expand radially and axially. During the expansion process, the binding wire 9 outside the outer tube 5 cannot be stretched and bent, driving the elastic inner tube 4 to bulge and bend inward; S3. The convex arc of the elastic inner tube 4 presses inward against the externally expanded knee joint, the quick connector 13 is closed, the inflation device is separated, and the air pressure value inside the pneumatic muscle corrector is maintained. The externally expanded knee joint is corrected to the normal shape through continuous pneumatic pressure.

[0058] Preferably, the elastic inner tube 4 is a silicone tube, and the air pressure range in the silicone tube is 0 mpa - 0.25 mpa. The air pressure range is limited by the pressure-bearing limit of the silicone tube.

[0059] The compliance of the pneumatic muscle components is adjusted by adjusting the magnitude of the air pressure, while rigid air intake fixing parts 1 and airtight fixing parts 8 are used to provide rigid support, and they will not deform easily after the air pressure is filled, ensuring the stability of the overall structure.

[0060] Two pneumatic muscle correctors are symmetrically sewn on each knee pad, and each pneumatic muscle corrector is inflated respectively to form air pressures p1 and p2. Different air pressure value combinations are applied according to whether the patient's O-shaped leg is forward-tilted or backward-tilted, and the values of p1 and p2 are both within the range of 0 - 0.25 mpa.

[0061] The specific embodiments described herein are merely illustrative of the spirit of the present invention. Those skilled in the art to which the present invention pertains may make various modifications or supplements to the described specific embodiments or use similar means for substitution, but will not deviate from the spirit of the present invention or exceed the defined scope. Although the present invention has been described in detail in the foregoing description, such description is considered to be illustrative or exemplary rather than restrictive. It should be understood that within the scope of the following claims, those of ordinary skill in the art may make changes and modifications. Specifically, the present invention encompasses additional embodiments having any combination of features from the different embodiments described above. With respect to the use of the expressions "generally" or "substantially", this patent application should be understood to disclose that the same fully meet these features and values, i.e., without the foregoing being characterized as "generally" or "substantially".

[0062] In the description of the present invention, it should be noted that unless otherwise clearly specified and defined, the terms "mounted", "connected" and "coupled" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

Claims

1. A bionic correction device for the rehabilitation of deformed legs, including a knee guard, characterized in that, At least two pneumatic muscle correctors are fixed along the length direction of the knee pad, and the pneumatic muscle correctors include an air intake fixing part located at the air intake end and an air closing fixing part located at the closed end. An air intake channel is provided on the air intake fixing part, and a pipe connection head, a pipe joint cover 1, a pneumatic muscle assembly, a pipe joint cover 2 and a pipe connection plug are connected in series on the inner side of the air intake channel in sequence, and the pipe connection plug is fixedly connected to the air closing fixing part, and the pipe connection head is connected to an external quick connector through an air pipe; the pneumatic muscle assembly includes an elastic inner tube and a bent restraint outer tube which are sleeved together, one end of the elastic inner tube is connected to the pipe joint cover 1, and the other end of the elastic inner tube is connected to the pipe joint cover 2, one side of the bent restraint outer tube has a restraint line parallel to the axis, and the other side of the bent restraint outer tube opposite to the restraint line forms an expansion convex arc area, and the expansion convex arc area is arranged toward the knee pad.

2. The bionic correction device for deformed leg rehabilitation according to claim 1, characterized in that, The elastic inner tube is a silicone tube, the curved restraining outer tube is a woven mesh sleeve, the woven mesh sleeve has a plurality of annular woven patterns arranged continuously along the axial direction, a restraining line is sewn along the axial direction on the surface of the woven mesh sleeve, and the area sewn by the restraining line contains a plurality of sections of the annular woven patterns.

3. The bionic correction device for deformed leg rehabilitation according to claim 2, characterized in that, The air intake fixing member is a shell with a concave cavity, the shell includes an end head and a surrounding wall, one side of the surrounding wall is closed by the end head, and the other side of the surrounding wall is open, a partition is arranged between the end head and the surrounding wall, an air intake hole is arranged on the end head, and a mounting hole is correspondingly arranged on the partition, and the air intake hole corresponds to the mounting hole to form the air intake channel, and the shell has a veneer; The air-tight fixing member is a second shell with a concave cavity, the second shell includes a second end head and a second surrounding wall, one side of the second surrounding wall is closed by the second end head, and the other side of the second surrounding wall is open, a second partition plate is arranged between the second end head and the second surrounding wall, an assembly hole is provided on the second partition plate, and the second shell has a second veneer; The first veneer and the second veneer are connected to the outer surface of the knee pad.

4. The bionic correction device for deformed leg rehabilitation according to claim 3, characterized in that, The side of the curved restraint outer tube facing the first veneer and the second veneer is an expansion convex arc area, and the side of the curved restraint outer tube away from the first veneer and the second veneer is sewn with a restraint line.

5. The bionic correction device for deformed leg rehabilitation according to claim 3, wherein, A plurality of air intake channels are arranged on the air intake fixing part, and the plurality of air intake channels are distributed in a rectangular array, a corresponding number of assembly holes are distributed in a rectangular array, a corresponding number of pneumatic muscle components are distributed in a rectangular array, and each two adjacent curved restraint outer tubes are connected by a connecting line, and the curved restraint outer tube adjacent to the veneer one and the veneer two has an expansion convex arc area, and restraint lines are sewn on the curved restraint outer tube away from the veneer one and the veneer two, and the number of annular braided nodes sewn in each section of the connecting line is less than the number of annular braided nodes sewn in each section of the restraint line.

6. The bionic correction device for the rehabilitation of deformed legs according to claim 3, wherein, The inner peripheral wall of the pipe joint cover is provided with a threaded section and a boss. The pipe connection head includes a head and a screw. A step is formed between the head and the screw. A T-hole is provided inside the pipe connection head. An internal thread is provided in the mounting hole of the partition. The head end of the elastic inner tube is sleeved on the outer periphery of the first head, the tube joint cover is sleeved on the outer periphery of the first head and the elastic inner tube, the first boss abuts against the first step to form axial limitation, the first threaded section presses the elastic inner tube to form a seal, the first screw rod passes through the mounting hole to form a threaded meshing connection, the air pipe penetrates into the air inlet hole and sleeves the first screw rod, and the air pipe communicates with the inlet of the T-shaped hole.

7. The bionic correction device for the rehabilitation of deformed legs according to claim 3, characterized in that, The inner peripheral wall of the second tube joint cover is provided with a second threaded section and a second boss. The tube plug includes a second head and a second screw rod. A second step is formed between the second head and the second screw rod. The assembly hole of the second partition plate has an internal thread two. The tail end of the elastic inner tube is sleeved on the outer periphery of the second head, the second tube joint cover is sleeved on the outer periphery of the second head and the elastic inner tube, the second boss abuts against the second step to form axial limitation, the second threaded section presses the elastic inner tube to form a seal, and the second screw rod extends out of the second tube joint cover to form a threaded meshing connection with the assembly hole.

8. The bionic correction device for the rehabilitation of deformed legs according to claim 3, wherein, A number of first connection holes are opened on the first veneer, and a number of second connection holes are opened on the second veneer. The first connection holes of two adjacent air inlet fixing parts are connected by a fixing wire, and the second connection holes of two adjacent airtight fixing parts are connected by a fixing wire. The first connection holes and the second connection holes are sewn on the knee pad by a fixing wire.

9. A correction method for a bionic correction device for the rehabilitation of deformed legs, using the bionic correction device for the rehabilitation of deformed legs according to any one of claims 1-8, characterized in that, It includes the following steps: S1. Sleeve the knee pad on the leg and cover the knee joint area, so that the pneumatic muscle corrector is located on the outer side of the knee joint, the first veneer of the pneumatic muscle corrector is attached to the outer side of the thigh, and the second veneer of the pneumatic muscle corrector is attached to the outer side of the calf, so that the pneumatic muscle assembly corresponds to the knee joint; S2. Connect the inflation device to the air pipe, open the quick joint for inflation, the air flow enters the elastic inner tube through the pipe connection head, and the gradually increasing air pressure drives the elastic inner tube to expand radially and axially. During the expansion process, the binding wire on the outer side of the outer tube cannot be stretched and bent, driving the elastic inner tube to bulge and form an arc inward; S3. The convex arc of the elastic inner tube presses the outward-expanded knee joint inward, close the quick joint, separate the inflation device, maintain the air pressure value in the pneumatic muscle corrector, and correct the outward-expanded knee joint back to the normal shape through continuous pneumatic pressure.

10. The correction method of the bionic correction device for the rehabilitation of deformed legs according to claim 9, characterized in that, The elastic inner tube is a silica gel tube, and the air pressure range in the silica gel tube is 0 mpa - 0.25 mpa.

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