Knee joint booster

Abstract

The utility model relates to a knee joint booster which comprises a knee lower protective sleeve, an elastic telescopic knee pad and a knee upper protective sleeve, the rear portion of the knee lower protective sleeve and the rear portion of the knee upper protective sleeve are connected through a joint hinge shaft, the knee lower protective sleeve and the knee upper protective sleeve can rotate around the joint hinge shaft, and an angle sensor is installed at the position of the joint hinge shaft. The elastic telescopic knee pad is arranged between the knee lower sheath and the knee upper sheath and located in front of the joint hinge shaft, hinged supports are arranged on the side edges of the rear portions of the knee lower sheath and the knee upper sheath, an upper hinged shaft is arranged on the hinged support of the knee upper sheath, a lower hinged shaft is arranged on the hinged support of the knee lower sheath, and a high-speed electric actuator is installed between the upper hinged shaft and the lower hinged shaft. A battery box is installed on the knee sheath, a rechargeable battery, an intelligent control panel and a switch are arranged in the battery box, and the intelligent control panel is electrically connected with the high-speed electric actuator through a wire. The walking aid is high in comfort level, convenient for a user to wear and use, and capable of effectively assisting the user in walking, especially climbing stairs.

Description

Technical Field

[0001] The utility model relates to the technical field of knee joint walking aids, in particular to a knee joint booster. Background Art

[0002] With the continuous development of science and technology, medical devices are becoming more and more perfect and are increasingly being used in practice. In the field of assisted walking, external devices are increasingly being used to assist people with mobility difficulties in lower limb activities and walking because of their advantages such as freeing up manpower.

[0003] As people age, they often experience changes in their body functions and functional decline. When they enter old age, their physical strength and motor nerve function decline, and their body reactions become less sensitive, leading to slow movements and physical incoordination. Some patients with leg diseases also have difficulty walking. At present, most elderly people and people with leg diseases do have muscle weakness, difficulty walking, and easy falls, which brings great inconvenience to the healthy lives of the elderly and people with leg diseases and affects their quality of life.

[0004] Currently, most of the devices used to assist walking are crutches, canes, etc., which have little effect on truly improving the lower limb motor ability of people with leg diseases and the elderly, such as knee joint strength, and do not take into account the user's personalized needs and the coordination of their own movements.

[0005] Therefore, there is an urgent need for a new type of intelligently controlled walker that can effectively assist users in walking and help them improve their ability to move around and take care of themselves. Utility Model Content

[0006] In view of the above-mentioned problems existing in the prior art, the purpose of the present utility model is to provide a knee joint booster which is comfortable, convenient for users to wear and use, and can effectively assist users in walking, especially climbing stairs.

[0007] The utility model is achieved through the following technical solutions.

[0008] A knee joint booster comprises a below-knee sleeve, an elastic and retractable knee pad, and an above-knee sleeve. The rear of the below-knee sleeve and the above-knee sleeve are connected by a joint axis. The below-knee sleeve and the above-knee sleeve can rotate around the joint axis. An angle sensor is installed at the joint axis. The elastic and retractable knee pad is arranged between the below-knee sleeve and the above-knee sleeve in front of the joint axis. A hinge seat is arranged on the rear side of the below-knee sleeve and the above-knee sleeve. An upper hinge axis is arranged on the hinge seat of the above-knee sleeve. A lower hinge axis is arranged on the hinge seat of the below-knee sleeve. A high-speed electric actuator is installed between the upper hinge axis and the lower hinge axis. The high-speed electric actuator is rotatably connected to the above-knee sleeve through the upper hinge axis. The high-speed electric actuator is rotatably connected to the below-knee sleeve through the lower hinge axis. A battery box is installed on the above-knee sleeve. A rechargeable battery, an intelligent control panel and a switch are arranged in the battery box. The intelligent control panel is electrically connected to the high-speed electric actuator through a wire. A lower strap is arranged at the rear of the below-knee sleeve, and an upper strap is arranged at the rear of the above-knee sleeve.

[0009] Further, the below-knee shield and the above-knee shield are semi-cylindrical in shape.

[0010] Furthermore, a sliding gasket is provided at the joint dumpling shaft

[0011] The above-knee and below-knee protectors are worn on the knee joints through upper and lower straps, and the elastic retractable knee pads are located at the knees. When the knee joints move, the above-knee and below-knee protectors rotate accordingly. The angle sensor senses the change in rotation angle and identifies the movement state of the knee joint, and transmits the signal to the intelligent control board through the angle sensor. After the intelligent control board identifies and processes the signal, it immediately instructs the high-speed electric actuator to perform corresponding actions, driving the above-knee and below-knee protectors to extend or contract, especially the extending action, which helps the wearer to walk and climb stairs and plays a supporting role.

[0012] In the utility model, the flexible pad and shockproof pad are provided to further improve the comfort and safety of wearing. The utility model receives the joint movement amplitude signal through the angle sensor, and determines the patient's gait through the intelligent control panel to calculate the angle required for the patient's knee joint movement. The length of the high-speed electric actuator is extended and retracted to drive the patient's knee joint movement, so as to assist the patient in completing walking and climbing movements.

[0013] Compared with the prior art, the advantages of the utility model are:

[0014] 1. Patients with weak legs or leg diseases can wear it conveniently to help them walk;

[0015] 2. The intelligent control board has walking mode programming, which can process the signals obtained by the sensor in time;

[0016] 3. The high-speed electric actuator moves quickly and can quickly follow the patient's knee movements;

[0017] 4. The power source is a rechargeable lithium battery with large capacity, long battery life and easy charging. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] In the figure: 1. below-knee protector, 2. elastic retractable knee pad, 3. above-knee protector, 4. wire, 5. battery box, 6. rechargeable battery, 7. intelligent control board, 8. switch, 9. upper strap, 10. upper hinge shaft, 11. high-speed electric actuator, 12. angle sensor, 13. sliding gasket, 14. joint dumpling shaft, 15. lower hinge shaft, 16. lower strap. DETAILED DESCRIPTION

[0020] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but they are not intended to limit the present invention.

[0021] like Figure 1 As shown, a knee joint booster comprises a below-knee sleeve 1, an elastically retractable knee pad 2, and an above-knee sleeve 3. The rear of the below-knee sleeve 1 and the above-knee sleeve 3 are connected by a joint dumpling shaft 14. The below-knee sleeve 1 and the above-knee sleeve 3 can rotate around the joint dumpling shaft 14. An angle sensor 12 is installed at the joint dumpling shaft 14. The elastically retractable knee pad 2 is arranged between the below-knee sleeve 1 and the above-knee sleeve 3 and in front of the joint dumpling shaft 14. A hinge seat is arranged on the rear side of the below-knee sleeve 1 and the above-knee sleeve 3. An upper hinge shaft 10 is arranged on the hinge seat of the above-knee sleeve 3. A lower hinge shaft 15 is provided on the seat, and a high-speed electric actuator 11 is installed between the upper hinge shaft 10 and the lower hinge shaft 15. The high-speed electric actuator 11 is rotatably connected to the above-knee cover 3 through the upper hinge shaft 10, and the high-speed electric actuator 11 is rotatably connected to the below-knee cover 1 through the lower hinge shaft 15. A battery box 5 is installed on the above-knee cover 3, and a rechargeable battery 6, an intelligent control board 7 and a switch 8 are provided in the battery box. The intelligent control board 7 is electrically connected to the high-speed electric actuator 11 through a wire 4. A lower strap 16 is provided at the rear of the below-knee cover 1, and an upper strap 9 is provided at the rear of the above-knee cover 3.

[0022] Furthermore, the below-knee shield 1 and the above-knee shield 3 are semi-cylindrical.

[0023] Further, a sliding washer 13 is provided at the joint dumpling shaft 14.

[0024] The knee protector 3 and the knee protector 1 are worn on the knee joint through the upper strap 9 and the lower strap 16, and the elastic retractable knee pad 2 is located at the knee. When the knee joint moves, the knee protector 3 and the knee protector 1 rotate accordingly. The angle sensor 12 senses the change of the rotation angle and identifies the movement state of the knee joint, and transmits the signal to the intelligent control board 7 through the angle sensor 12. After the intelligent control board 7 identifies and processes the signal, it immediately instructs the high-speed electric actuator 11 to perform corresponding actions, driving the knee protector 3 and the knee protector 1 to extend or contract, especially the extension action, which helps the wearer to walk and climb stairs and plays a power-assisting role.

[0025] Specific process: knee joint angle and motion state identification, the sensor transmits the signal to the control board, and then the control board builds a knee joint motion state model, builds a corresponding relationship for the output knee joint angle value, and then outputs an electrical signal and transmits it to the electric actuator. At the same time, the telescopic distance and actuation time are calculated to obtain the corresponding knee joint angle value, and convert it into the telescopic distance of the electric push rod. The electric actuator drives the knee joint walker to move, and when it moves to a certain telescopic distance, the angle value obtained by the angle sensor (the limit value set in the program) stops the corresponding stretching or contraction, and then repeats the next cycle.

[0026] In the utility model, the elastic retractable knee pad includes a flexible pad and a shockproof pad, which can further improve the comfort and safety of wearing. The utility model receives the joint movement amplitude signal through the angle sensor, and judges the patient's gait through the intelligent control board to calculate the angle required for the patient's knee joint movement. The length of the high-speed electric actuator is extended and retracted to drive the patient's knee joint movement, so as to assist the patient in completing walking and climbing movements.

[0027] The above description is only a preferred embodiment of the present invention, and does not limit the implementation mode and protection scope of the present invention. For those skilled in the art, it should be aware that all solutions obtained by equivalent substitutions and obvious changes made using the description and illustrations of the present invention should be included in the protection scope of the present invention.

Claims

1. A knee joint booster, characterized in that: The invention comprises a below-knee sheath (1), an elastically retractable knee pad (2), and an above-knee sheath (3); the below-knee sheath (1) and the above-knee sheath (3) are connected at their rear by a joint shaft (14); the below-knee sheath (1) and the above-knee sheath (3) can rotate around the joint shaft (14); an angle sensor (12) is installed at the joint shaft (14); the elastically retractable knee pad (2) is arranged between the below-knee sheath (1) and the above-knee sheath (3) and in front of the joint shaft (14); hinge seats are arranged at the rear sides of the below-knee sheath (1) and the above-knee sheath (3); an upper hinge shaft (10) is arranged on the hinge seat of the above-knee sheath (3); a lower hinge shaft (11) is arranged on the hinge seat of the below-knee sheath (1) 15), a high-speed electric actuator (11) is installed between the upper hinge shaft (10) and the lower hinge shaft (15), the high-speed electric actuator (11) is rotatably connected to the above-knee shield (3) through the upper hinge shaft (10), the high-speed electric actuator (11) is rotatably connected to the below-knee shield (1) through the lower hinge shaft (15), a battery box (5) is installed on the above-knee shield (3), the battery box is provided with a rechargeable battery (6), an intelligent control panel (7) and a switch (8), the intelligent control panel (7) is electrically connected to the high-speed electric actuator (11) through a wire (4), a lower binding strap (16) is provided at the rear of the below-knee shield (1), and an upper binding strap (9) is provided at the rear of the above-knee shield (3).

2. A knee joint booster according to claim 1, characterized in that: The below-knee sheath (1) and above-knee sheath (3) are semi-cylindrical.

3. A knee joint booster according to claim 1, characterized in that: A sliding gasket (13) is provided at the joint dumpling shaft (14).

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