Self-adaptive knee joint intelligent brace

Abstract

The utility model relates to the technical field of knee joint braces, in particular to a self-adaptive intelligent knee joint brace. The utility model discloses a self-adaptation knee joint intelligent brace, including the splint subassembly that is used for respectively fixed on the both sides of affected limb, the bandage subassembly that can adjust the degree of tightness and main control panel, bandage subassembly includes bandage, bandage degree of tightness adjustment device and pressure sensor, bandage connects splint subassembly, is used for fixing the two splint subassembly on the both sides of affected limb, and the pressure sensor is used for the pressure sensor to adjust the degree of tightness of bandage. The pressure sensor is used for detecting the contact pressure between the bandage or the clamping plate assembly and the affected limb and transmitting the contact pressure to the main control board, and the main control board is used for controlling the bandage tightness adjusting device to correspondingly tighten and tighten the bandage according to pressure data collected by the pressure sensor. The knee joint rehabilitation device can automatically adjust the tightness of the bandage in real time, not only can stably support the knee joint and the meniscus, but also can avoid damage to blood vessels and nerves and pressure sores, ensure blood circulation and improve the rehabilitation effect, is convenient and comfortable to use, and greatly improves the user experience.

Description

Technical Field

[0001] The utility model belongs to the technical field of knee joint braces, and specifically relates to an adaptive intelligent knee joint brace. Background Art

[0002] The knee joint is a trochlear joint, which is composed of the lower end of the femur, the upper end of the tibia and the patella. It is the largest and most complex joint in the human body. During the rehabilitation process after knee surgery, it is usually necessary to wear an auxiliary fixation brace to fix the diseased limb to achieve the purpose of pain relief, muscle spasm relief, inflammation relief or fracture healing.

[0003] The tightness of the straps of traditional knee braces is adjusted manually when they are worn, which is not only cumbersome to operate, but the tightness adjustment is often not accurate enough. When the straps are too loose, the brace will slide down or shift when standing or walking, failing to provide support and affecting the rehabilitation effect. When the straps are too tight, long-term compression may cause vascular and nerve damage and pressure sores, resulting in poor comfort and greatly reduced user experience. Summary of the invention

[0004] The purpose of the utility model is to provide an adaptive intelligent knee joint brace to solve the above-mentioned technical problems.

[0005] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: an adaptive intelligent knee brace, comprising two splint assemblies respectively used to be fixed on both sides of the affected limb, a strap assembly with adjustable tightness and a main control board, the strap assembly comprising a strap, a strap tightness adjustment device and a pressure sensor, the strap is connected to the splint assembly, and is used to fix the two splint assemblies on both sides of the affected limb, the pressure sensor is used to detect the contact pressure between the strap or the splint assembly and the affected limb and transmit it to the main control board, and the main control board is used to control the strap tightness adjustment device to tighten the strap accordingly according to the pressure data collected by the pressure sensor.

[0006] Furthermore, the pressure sensor is a thin film pressure sensor, and the thin film pressure sensor is arranged in the strap.

[0007] Furthermore, the strap tension adjustment device is fixed on the clamping plate assembly, and the strap tension adjustment device includes a motor and a reel. The control end of the motor is electrically connected to the main control board, and the reel is fixedly connected to the output end of the motor. The adjustment end of the strap is detachably connected to the reel and can be wound on the reel accordingly with the rotation of the reel.

[0008] Furthermore, the number of the binding strap assemblies is multiple groups.

[0009] Furthermore, it also includes an inflatable and deflable airbag assembly, wherein the airbag of the airbag assembly is arranged on the inner side of the angle adjustment chuck of the clamping plate assembly.

[0010] Furthermore, the airbag assembly also includes an air pressure sensor, an air pump and a deflation switch valve. The air pressure sensor is used to detect the air pressure of the airbag and transmit it to the main control board. The main control board is used to control the air pump to inflate the airbag accordingly according to the air pressure data collected by the air pressure sensor. The deflation switch valve is used to deflate the airbag.

[0011] Furthermore, the airbag assembly also includes an inflation switch and a deflation switch, which are used to control the working states of the air pump and the deflation switch valve respectively.

[0012] Furthermore, it also includes a three-axis angle sensor and a temperature sensor, which are respectively connected to the main control board. The three-axis angle sensor is arranged on the splint assembly, and the temperature sensor is used to detect the temperature of the affected limb.

[0013] Furthermore, it also includes a wireless communication module, and the main control board is connected to the monitoring platform through wireless communication module.

[0014] Furthermore, it also includes a control box and a power supply. The main control board and the power supply are arranged in the control box. The power supply is used to power the entire adaptive knee joint intelligent brace. The control box is provided with a waist strap.

[0015] Beneficial technical effects of the utility model:

[0016] The utility model can automatically adjust the tightness of the strap in real time, which can not only stably support the knee joint and meniscus, but also avoid damaging blood vessels and nerves and causing pressure sores, ensure blood circulation, and improve rehabilitation effects. It is easy and comfortable to use, which greatly improves the user experience.

[0017] The utility model is provided with an inflatable and deflable airbag component, which can not only better support the stability of the joints, but also make the pressure around the joints reach the optimal comfort level, thereby improving the user experience.

[0018] The utility model can perform multi-dimensional data self-test on the affected limb by arranging a three-axis angle sensor and a temperature sensor, and can issue a voice warning when the data is abnormal to avoid secondary injury to the joint.

[0019] The utility model is provided with a wireless communication module, which can upload the self-test data to the monitoring platform, generate dynamic monitoring records, and can be shared by doctors and patients, so that doctors can make comprehensive judgments to adjust and optimize the rehabilitation plan, thus building a bridge for communication between doctors and patients. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 It is a structural diagram of a specific embodiment of the utility model;

[0022] Figure 2 It is a structural diagram of another perspective of a specific embodiment of the utility model;

[0023] Figure 3 It is a partial exploded view of a strap assembly according to a specific embodiment of the utility model;

[0024] Figure 4 This is an electrical connection diagram of a specific embodiment of the utility model;

[0025] Figure 5 It is a circuit diagram of an airbag assembly and a three-axis angle sensor of a specific embodiment of the utility model;

[0026] Figure 6 It is a circuit diagram of a strap assembly according to a specific embodiment of the utility model. DETAILED DESCRIPTION

[0027] To further illustrate the various embodiments, the present invention provides drawings. These drawings are part of the disclosure of the present invention, which are mainly used to illustrate the embodiments and can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, a person of ordinary skill in the art should be able to understand other possible implementations and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0028] The utility model is now further described in conjunction with the accompanying drawings and specific implementation methods.

[0029] like Figure 1-6 As shown, an adaptive knee joint intelligent brace includes two splint assemblies 1 respectively used to be fixed on both sides of the affected limb, a strap assembly 2 with adjustable tightness and a main control board 3, the strap assembly 2 includes a strap 21, a strap tightness adjustment device and a pressure sensor 22, the strap 21 is connected to the splint assembly 1, and is used to fix the two splint assemblies 1 on both sides of the affected limb, the pressure sensor 22 is used to detect the contact pressure between the strap 21 or the splint assembly 1 and the affected limb and transmit it to the main control board 3, and the main control board 3 is used to control the strap tightness adjustment device to tighten the strap 21 accordingly according to the pressure data collected by the pressure sensor 22.

[0030] In this specific embodiment, the two ends of the strap 21 are respectively a fixed end and an adjusting end. The fixed end of the strap 21 is fixed on one of the splint assemblies 1 (hereinafter referred to as the first splint assembly 101), and the strap 21 is movably passed through the other splint assembly 1 (hereinafter referred to as the second splint assembly 102). The strap tightness adjustment device is fixed on the first splint assembly 101) and is linked with the adjusting end of the strap 21 to tighten or release the strap 21 so as to control the tightness of the strap 21.

[0031] A fixing part 4 is provided on the splint assembly 1, and the fixed end of the strap 21 is fixed on the fixing part 4 of the first splint assembly 101. The strap 21 can be movably passed through the fixing part 4 of the second splint assembly 102. The strap tension adjustment device is fixed on the fixing part 4 of the first splint assembly 101, and the fixing part 4 can be detachably mounted on the splint assembly 1. This structure is easy to assemble and disassemble, but is not limited to this. In some embodiments, the strap 21 and the splint assembly 1 can also be realized by adopting other existing connection structures.

[0032] The splint assembly 1 includes an upper splint 11, an angle adjustment chuck 12 and a lower splint 13. The angle adjustment chuck 12 is arranged between the upper splint 11 and the lower splint 13. The more specific structure can refer to the splint of the existing knee brace, which will not be repeated here, but it is not limited to this.

[0033] Preferably, in the present embodiment, the pressure sensor 22 is a thin film pressure sensor, such as a flexible thin film pressure sensor of model FSR402. The thin film pressure sensor 22 is arranged in the strap 21, which is easy to implement and more comfortable to use, but is not limited to this. In some embodiments, the pressure sensor 22 can also be implemented by other pressure sensors; in addition, the pressure sensor 22 can also be arranged on the inner side of the splint assembly 1 that contacts the affected limb.

[0034] In this specific embodiment, the strap tension adjustment device includes a motor 23, a reel 24 and a coupling 25. The control end of the motor 23 is electrically connected to the main control board 3, and the reel 24 is fixedly connected to the output end of the motor 23 through the coupling 25. The adjustment end of the strap 21 is detachably connected to the reel 24 and can be wound around the reel 24 accordingly as the reel 24 rotates to achieve tension adjustment.

[0035] The motor 23 is fixedly mounted on the fixing part 4 of the first clamping plate assembly 101, one end of the reel 24 is fixedly connected to the output end of the motor 23 through the coupling 25, and the other end of the reel 24 is rotatably set on the fixing part 4 of the first clamping plate assembly 101, thereby improving the rotation stability of the reel 24.

[0036] Furthermore, the strap tension adjustment device further comprises a cover 26, which is disposed on the motor 23, the reel 24 and the coupling 25 and is fixedly connected to the fixing member 4 of the first clamping plate assembly 101, so that the structure is more compact and beautiful, and the cover 26 is provided with an opening 261 for the adjustment end of the strap 21 to pass through. The cover 26 is preferably fixed to the fixing member 4 of the first clamping plate assembly 101 by screw locking, and the structure is more stable, but it is not limited thereto. In some embodiments, the cover 26 can also be fixed by other fixing structures such as clamping.

[0037] In this specific embodiment, the motor 23 is a DC reduction motor of model JGY370, which has advantages such as self-locking gears and large torque, but is not limited thereto.

[0038] The adjustment end of the strap 21 and the reel 24 can be detachably fixedly connected by means of Velcro, buckles, or the like.

[0039] In this specific embodiment, the number of strap assemblies 2 is 4 groups, and the 4 groups of strap assemblies 2 are spaced apart and arranged in sequence along the upper and lower sides of the splint assembly 1, but it is not limited to this. In some embodiments, the number of strap assemblies 2 can be selected according to actual needs.

[0040] When wearing, the two splint assemblies 1 are placed on both sides of the affected limb, and the adjusting end of the strap 21 is connected to the reel 24, and then the main control board 3 is triggered to detect the contact pressure between the strap 21 and the affected limb through the pressure sensor 22, and the motor 23 is controlled to drive the reel 24 to rotate accordingly to wind or release the strap 21 according to the received pressure data, so that the driving motor 23 is stopped after the pressure of the strap 21 reaches the set pressure, and the wearing is completed; during use, the pressure sensor 22 detects the contact pressure between the strap 21 and the affected limb in real time. When the pressure changes, the main control board 3 controls the motor 23 to drive the reel 24 to rotate accordingly to wind or release the strap 21 so that the pressure of the strap 21 is maintained at the set pressure, thereby realizing real-time automatic adjustment of the tightness of the strap 21, which can not only stably support the knee joint and meniscus, but also avoid damaging blood vessels and nerves and causing pressure sores, ensure blood circulation, improve rehabilitation effects, and be convenient and comfortable to use, greatly improving user experience.

[0041] Furthermore, in this embodiment, the adaptive intelligent knee brace also includes an inflatable and deflable airbag assembly, and the airbag 51 of the airbag assembly is arranged on the inner side of the angle adjustment chuck 12 to better support the meniscus.

[0042] In this specific embodiment, the airbag assembly further includes an air pressure sensor 52, an air pump 53 and a deflation switch valve 54. The air pressure sensor 52 is disposed in the airbag 51 and is used to detect the air pressure of the airbag 51 and transmit it to the main control board 3. The main control board 3 is used to control the air pump 53 to inflate the airbag 51 accordingly according to the air pressure data collected by the air pressure sensor 52, and the deflation switch valve 54 is used to deflate the airbag 51. For a more specific structure, reference can be made to the airbag assembly structure of an existing cuff-type electronic sphygmomanometer, which will not be described in detail here.

[0043] The air pressure sensor 52 can be implemented by an air pressure sensor of model XGZP040, and the air release switch valve 54 can be implemented by an electromagnetic valve for a negative pressure air pump of model Fa0520B, but is not limited thereto.

[0044] Furthermore, the airbag assembly also includes an inflation switch 55 and an deflation switch 56, which are electrically connected to the main control board 3, respectively, and are used to control the working states of the air pump 53 and the deflation switch valve 54, respectively. Specifically, by continuously pressing the inflation switch 55, the main control board 3 controls the air pump 53 to work and inflate the airbag 51, and at the same time, the air pressure sensor 52 detects the air pressure of the airbag 51. When the air pressure of the airbag 51 reaches the set value, the main control board 3 controls the air pump 53 to stop inflating the airbag 51, which can not only better support the stability of the joint, but also make the pressure around the joint reach the best comfort level, thereby improving the user experience; when the deflation switch 56 is continuously pressed, the main control board 3 controls the deflation switch valve 54 to open and deflate the airbag 51.

[0045] In this specific embodiment, the inflation switch 55 and the deflation switch 56 are arranged on the clamping plate assembly 1 for easy operation, but it is not limited thereto.

[0046] Furthermore, in this embodiment, the adaptive knee joint intelligent brace also includes a three-axis angle sensor 6 and a temperature sensor 7, which are respectively connected to the main control board 3, and the three-axis angle sensor 6 is arranged on the splint assembly 1. More specifically, the three-axis angle sensor 6 is arranged on the angle adjustment chuck 12, and is used to obtain the angle state of the brace deviating from the normal support position during the patient's walking process, thereby obtaining the patient's knee joint bending angle and step count. The three-axis angle sensor 6 can be implemented by a digital three-axis angle sensor module of model ADXL345 / 335, but is not limited thereto.

[0047] The temperature sensor 7 is used to detect the temperature of the affected limb. The temperature sensor 7 can be implemented by a temperature sensor module of model MAX30205. Of course, in some embodiments, the temperature sensor 7 can also be implemented by other temperature sensors.

[0048] In this specific embodiment, the temperature sensor 7 is disposed on the surface of the airbag 51 that contacts the affected limb to improve detection accuracy.

[0049] By setting up a three-axis angle sensor 6 and a temperature sensor 7, multi-dimensional rehabilitation data self-testing of the affected limb can be performed. When the data is abnormal, a voice warning can be issued to avoid secondary injury to the joint.

[0050] In this specific embodiment, the adaptive knee joint intelligent brace also includes a wireless communication module 8. The main control board 3 is wirelessly connected to the monitoring platform 9 through the wireless communication module 8, and the pressure, air pressure, angle, temperature and other parameters are uploaded to the monitoring platform 9. The monitoring platform 9 processes and stores the received parameters and generates dynamic monitoring records, which can be shared by doctors and patients for doctors to make comprehensive judgments to adjust and optimize rehabilitation plans, and build a bridge for communication between doctors and patients. Patients can connect to the monitoring platform 9 through terminal devices, such as mobile phones, to view and modify relevant parameters.

[0051] In this specific embodiment, the monitoring platform 9 is implemented using the OneNET Internet of Things open platform, which is easy to develop, but is not limited to this.

[0052] In this specific embodiment, the wireless communication module 8 can be a Bluetooth communication module, a WIFI communication module, a mobile communication module, etc.

[0053] The main control board 3 is preferably implemented by using an ESP32 development board, which is integrated with a wireless communication module 8, but is not limited thereto.

[0054] In this specific embodiment, the adaptive knee joint intelligent brace also includes a control box 100 and a power supply 200. The main control board 3 and the power supply 200 are arranged in the control box 100. The power supply 200 is used to power the entire adaptive knee joint intelligent brace. The control box 100 is provided with a waist strap 1001, so that the main control board 3 and the power supply 200 are tied to the waist, which reduces the weight of the affected limb and is more comfortable to use.

[0055] The waist strap 1001 can be implemented by Velcro straps, which is easy to use. The power supply 200 is implemented by a rechargeable lithium battery, which is small in size, light in weight, and does not require frequent battery replacement, but is not limited thereto.

[0056] For a circuit diagram of this specific embodiment, please see Figure 5 and 6 As shown, this will not be repeated.

[0057] Although the present invention has been specifically demonstrated and described in conjunction with the preferred embodiments, those skilled in the art should understand that various changes may be made to the present invention in form and detail without departing from the spirit and scope of the present invention as defined in the appended claims, all of which are within the scope of protection of the present invention.

Claims

1. An adaptive intelligent knee brace, characterized in that: The invention comprises two splint assemblies respectively used for fixing on both sides of the affected limb, a strap assembly with adjustable tightness and a main control board. The strap assembly comprises a strap, a strap tightness adjustment device and a pressure sensor. The strap is connected to the splint assembly and is used for fixing the two splint assemblies on both sides of the affected limb. The pressure sensor is used for detecting the contact pressure between the strap or the splint assembly and the affected limb and transmitting it to the main control board. The main control board is used for controlling the strap tightness adjustment device to tighten the strap accordingly according to the pressure data collected by the pressure sensor.

2. The adaptive intelligent knee brace according to claim 1, characterized in that: The pressure sensor is a thin film pressure sensor, and the thin film pressure sensor is arranged in the binding belt.

3. The adaptive intelligent knee brace according to claim 1, characterized in that: The strap tension adjustment device is fixed on the clamping plate assembly, and the strap tension adjustment device includes a motor and a reel. The control end of the motor is electrically connected to the main control board, and the reel is fixedly connected to the output end of the motor. The adjustment end of the strap is detachably connected to the reel and can be wound on the reel accordingly with the rotation of the reel.

4. The adaptive intelligent knee brace according to claim 1, characterized in that: The number of the binding strap components is multiple groups.

5. The adaptive intelligent knee brace according to claim 1, characterized in that: It also comprises an inflatable and deflable airbag assembly, wherein the airbag of the airbag assembly is arranged on the inner side of the angle adjustment chuck of the clamping plate assembly.

6. The adaptive intelligent knee brace according to claim 5, characterized in that: The airbag assembly also includes an air pressure sensor, an air pump and a deflation switch valve. The air pressure sensor is used to detect the air pressure of the airbag and transmit it to the main control board. The main control board is used to control the air pump to inflate the airbag accordingly according to the air pressure data collected by the air pressure sensor. The deflation switch valve is used to deflate the airbag.

7. The adaptive intelligent knee brace according to claim 6, characterized in that: The airbag assembly also includes an inflation switch and a deflation switch, which are used to control the working states of the air pump and the deflation switch valve respectively.

8. The adaptive intelligent knee brace according to claim 1, characterized in that: It also includes a three-axis angle sensor and a temperature sensor, which are respectively connected to the main control board. The three-axis angle sensor is arranged on the splint assembly, and the temperature sensor is used to detect the temperature of the affected limb.

9. The adaptive intelligent knee brace according to any one of claims 1 to 8, characterized in that: It also includes a wireless communication module, through which the main control board is wirelessly connected to the monitoring platform.

10. The adaptive intelligent knee brace according to claim 1, characterized in that: It also includes a control box and a power supply. The main control board and the power supply are arranged in the control box. The power supply is used to power the entire adaptive knee joint intelligent brace. The control box is provided with a waist strap.

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