Lumbar vertebra tractor convenient to adjust
By introducing adjustment mechanisms and traction mechanisms into the lumbar traction device, and using servo motors and cylinders to adjust the movement and traction force of the hip joint, the problem that existing lumbar traction devices cannot be adjusted is solved, and a more efficient lumbar treatment effect is achieved.
Patent Information
- Application Number
- CN202421664077.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-15
- Publication Date
- 2025-08-08
- Estimated Expiration
- 2034-07-15
AI Technical Summary
The existing lumbar traction devices cannot adjust the traction angle and direction according to the patient's needs, which makes it difficult to further open the vertebral space, reducing the treatment effect.
A lumbar traction device including an adjustment mechanism, a traction mechanism and a fixing mechanism is designed. The threaded rod drives the slider and the electric telescopic rod through a servo motor to realize left and right and up and down movement of the hip joint, and adjusts the traction force with the cylinder and piston rod, and realizes the fixation and adjustment of the patient with Velcro and snaps.
It improves the therapeutic effect of the lumbar traction device, and can adjust the traction force and angle according to the needs of different patients, reduce the degree of nerve root compression, and enhance practicality.
Smart Images

Figure CN223196217U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of lumbar traction devices, in particular to a lumbar traction device which is easy to adjust. Background Art
[0002] The treatment methods for lumbar disc herniation are divided into non-surgical treatment and surgical treatment. Traction is the main method of non-surgical treatment for lumbar disc herniation. Effective traction can relieve lumbar muscle spasms, relieve pain symptoms, and increase vertebral space and intervertebral foramen. The lumbar traction device is designed based on this principle, which is a device that facilitates patients to treat lumbar disc herniation.
[0003] The existing lumbar traction device can only drive the lumbar spine for linear traction during use. It is generally not convenient to adjust the traction angle and direction, cannot drive the lumbar spine to move according to the patient's needs, and is not convenient for further widening the intervertebral space, which reduces the practicality of the lumbar traction device. Therefore, we can design a lumbar traction device that is easy to adjust. Utility Model Content
[0004] In view of the problems in the related art, the present invention proposes a lumbar traction device that is easy to adjust to overcome the above technical problems existing in the existing related art.
[0005] To this end, the specific technical solutions adopted in this utility model are as follows:
[0006] A lumbar traction device that is easy to adjust comprises a base plate, a chest strap provided on one side above the base plate, a fixing mechanism provided on the top of the chest strap, a waist strap provided below the chest strap, a traction mechanism provided on the bottom of the waist strap, and an adjustment mechanism provided on one side of the waist strap.
[0007] Furthermore, in order to drive the hip joint to move, the adjustment mechanism includes a groove provided on the base plate, a threaded rod is provided inside the groove, a servo motor is connected to one end of the threaded rod, the servo motor is fixedly connected to the base plate, a slider is provided on the threaded rod, an electric telescopic rod is provided above the slider, a telescopic spring is provided on the outside of the electric telescopic rod, and a horizontal plate is provided above the electric telescopic rod.
[0008] Furthermore, in order to fix the hip joint and facilitate the adjustment mechanism to drive the hip joint to move, a first connecting plate is provided on one side of the horizontal plate, and there are two first connecting plates. A first fixing belt is fixed on the first connecting plate, and a second connecting plate is provided on the other side of the horizontal plate. A through hole is provided inside the second connecting plate, and the first fixing belt matches the through hole. A Velcro surface is provided at one end of the first fixing belt, and a Velcro hook surface is provided on one side of the Velcro surface.
[0009] Furthermore, in order to ensure the smooth movement of the slider, screw rods are provided on both sides of the threaded rod, and both ends of the screw rods are fixedly connected to the base plate.
[0010] Furthermore, in order to be able to pull the lumbar vertebrae, the traction mechanism includes a lumbar traction belt arranged at the bottom ends of both sides of the waist strap, a connecting block is provided at one end of the lumbar traction belt, the connecting block is connected to the fixed block, a movable plate is provided under the fixed block, and the movable plate is connected to the driving mechanism.
[0011] Furthermore, in order to be able to adjust the traction force according to different groups of people, the driving mechanism includes a cylinder arranged on one side of the base plate, the cylinder is connected to the piston rod, and the piston rod is connected to the fixed block.
[0012] Furthermore, a first fixed frame is provided on one side of the base plate, and a mounting seat is provided below the first fixed frame. There are two mounting seats, a pulley is provided on the mounting seat, and a rotating shaft is provided on both sides of the pulley. The rotating shaft is connected to the mounting seat, and the pulley matches the lumbar traction belt.
[0013] Furthermore, in order to fix the patient's upper body, the fixing mechanism includes a second fixing strap arranged at one end of the chest strap. There are two second fixing straps, and a buckle is provided at one end of the second fixing strap. A limiting hole is provided on one side of the buckle, and the buckle matches the limiting hole.
[0014] Furthermore, a second fixing frame is provided on one side of the chest strap, the second fixing frame is fixedly connected to the bottom plate, and a second fixing belt is wrapped around the second fixing frame.
[0015] The beneficial effects of the utility model are:
[0016] (1) By setting up an adjustment mechanism, the slider can be driven to move under the action of the servo motor, thereby driving the hip joint to move left and right, and by driving the hip joint to move up and down under the action of the electric telescopic rod, the vertebral space can be further opened, the degree of pressure on the nerve roots can be reduced, and the therapeutic effect of the lumbar traction device can be improved.
[0017] (2) By setting up a lumbar traction belt, the lumbar spine can be stretched. By setting up a cylinder and a piston rod, the traction force of the lumbar traction belt can be adjusted conveniently. The tension of the lumbar traction belt can be adjusted according to the needs of different patients, making the lumbar traction device more practical.
[0018] (3) By providing a second fixing belt and a chest strap, the patient's upper body can be fixed, which facilitates traction of the lumbar spine. In addition, by providing a buckle and multiple limiting holes, the length of the second fixing belt can be adjusted according to the patient's height. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. 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 any creative work.
[0020] Figure 1 This is a front view of an easily adjustable lumbar traction device according to an embodiment of the utility model;
[0021] Figure 2 This is a side view of an easily adjustable lumbar traction device according to an embodiment of the utility model;
[0022] Figure 3 This is a structural diagram of a lumbar traction device fixing mechanism that is easy to adjust according to an embodiment of the utility model;
[0023] Figure 4 The figure is a structural diagram of an adjustment mechanism of a lumbar traction device that is easy to adjust according to an embodiment of the utility model.
[0024] In the picture:
[0025] 1. Base plate; 2. Chest strap; 3. Fixing mechanism; 301. Second fixing strap; 302. Buckle; 303. Limiting hole; 4. Waist strap; 5. Traction mechanism; 501. Lumbar traction strap; 502. Connecting block; 503. Fixing block; 504. Moving plate; 6. Adjusting mechanism; 601. Groove; 602. Threaded rod; 603. Servo motor; 604. Slider; 605. Electric telescopic rod; 606. Telescopic spring; 607. Horizontal plate; 7. First connecting plate; 8. First fixing strap; 9. Second connecting plate; 10. Through hole; 11. Velcro surface; 12. Velcro hook surface; 13. Screw; 14. Driving mechanism; 15. Cylinder; 16. Piston rod; 17. First fixed frame; 18. Mounting seat; 19. Pulley; 20. Rotating shaft; 21. Second fixed frame. DETAILED DESCRIPTION
[0026] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. By referring to these contents, ordinary technicians in this field should be able to understand other possible implementation methods and the 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.
[0027] See also Figure 1 、 Figure 2 and Figure 4The present application proposes an adjustable lumbar traction device, comprising a base plate 1, a chest strap 2 is provided on one side above the base plate 1, a fixing mechanism 3 is provided on the top of the chest strap 2, a waist strap 4 is provided below the chest strap 2, and Velcro is provided at both ends of the chest strap 2 and the waist strap 4, which is convenient for fixing the waist and chest of different patients, a traction mechanism 5 is provided at the bottom end of the waist strap 4, and an adjustment mechanism 6 is provided on one side of the waist strap 4. The adjusting mechanism 6 includes a groove 601 provided on the base plate 1, a threaded rod 602 is provided inside the groove 601, screw rods 13 are provided on both sides of the threaded rod 602, and both ends of the screw rod 13 are fixedly connected to the base plate 1. By providing the screw rod 13, the movement of the slider 604 is more stable, one end of the threaded rod 602 is connected to a servo motor 603, and the servo motor 603 is fixedly connected to the base plate 1. A slider 604 is provided on the threaded rod 602, and an electric telescopic rod 605 is provided above the slider 604. A telescopic spring 606 is provided on the outside of the electric telescopic rod 605. By providing the telescopic spring 606, the electric telescopic rod 605 is prevented from moving when returning. During the retraction process, the electric telescopic rod 605 is damaged due to the fast retraction speed. A horizontal plate 607 is provided above the electric telescopic rod 605. Sponge pads are provided on the horizontal plate 607 and the bottom plate 1 to make the patient lie more comfortably. A first connecting plate 7 is provided on one side of the horizontal plate 607. There are two first connecting plates 7. A first fixing belt 8 is fixed on the first connecting plate 7. A second connecting plate 9 is provided on the other side of the horizontal plate 607. A through hole 10 is provided inside the second connecting plate 9. The first fixing belt 8 matches the through hole 10. A Velcro surface 11 is provided at one end of the first fixing belt 8, and a Velcro hook surface 12 is provided on one side of the Velcro surface 11. Through the above scheme, an adjustment mechanism 6 is set up, which can drive the threaded rod 602 to rotate under the action of the servo motor 603, thereby driving the slider 604 to move. The movement of the slider 604 can drive the cross plate 607 to move, and then drive the hip joint to move left and right, and by driving the hip joint up and down under the action of the electric telescopic rod 605, it can further open the intervertebral space, reduce the degree of damage to the vertebral vein, and improve the therapeutic effect of the lumbar traction device. By setting the first fixing belt 8, the Velcro fur surface 11 and the Velcro hook surface 12, the patient's hip joint can be fixed, making it convenient for the patient's buttocks to move with the movement of the cross plate 607.
[0028] See also Figure 1-Figure 3The traction mechanism 5 includes a lumbar traction belt 501 provided at the bottom ends of both sides of the waist strap 4, a connecting block 502 is provided at one end of the lumbar traction belt 501, the connecting block 502 is connected to the fixed block 503, a movable plate 504 is provided below the fixed block 503, the movable plate 504 is connected to the driving mechanism 14, the driving mechanism 14 includes a cylinder 15 provided on one side of the bottom plate 1, the cylinder 15 is connected to the piston rod 16, the piston rod 16 is connected to the fixed block 503, a first fixed frame 17 is provided on one side of the bottom plate 1, a mounting seat 18 is provided below the first fixed frame 17, the number of the mounting seat 18 is two, and the mounting seat 18 is provided. A pulley 19 is provided on the seat 18, and a rotating shaft 20 is provided on both sides of the pulley 19. The rotating shaft 20 is connected to the mounting seat 18, and the pulley 19 matches the lumbar traction belt 501. The fixing mechanism 3 includes a second fixing belt 301 provided at one end of the chest strap 2. The number of the second fixing belts 301 is two, and a buckle 302 is provided at one end of the second fixing belt 301. A limiting hole 303 is provided on one side of the buckle 302, and the buckle 302 matches the limiting hole 303. A second fixing frame 21 is provided on one side of the chest strap 2, and the second fixing frame 21 is fixedly connected to the base plate 1. The second fixing belt 301 passes around the second fixing frame 21. Through the above scheme, the lumbar traction belt 501 is provided to drive the lumbar spine to be stretched, and the traction force of the lumbar traction belt 501 is adjusted conveniently by providing the cylinder 15 and the piston rod 16. The tension of the lumbar traction belt 501 can be adjusted according to the needs of different patients, making the lumbar traction device more practical. In addition, by providing the second fixing belt 301 and the chest strap 2, the upper body of the patient can be fixed, which facilitates the lumbar traction of the lumbar vertebra by the lumbar traction belt 501, and by providing the buckle 302 and multiple limiting holes 303, the length of the second fixing belt 301 can be adjusted conveniently according to the patient's height.
[0029] Working principle: When using this lumbar traction device, first, the patient lies on the base plate 1 with the patient's buttocks on the cross plate 607, and then the patient is fixed by the chest strap 2 and the waist strap 4. Then, by fixing the second fixing belt 301 on the second fixing frame 21, the patient's upper body can be fixed. Then, by starting the cylinder 15, the piston rod 16 is driven to extend, thereby driving the lumbar traction belt 501 to move, and then the patient's lumbar spine can be pulled. After the patient's position is determined, the first fixing belt 8 is passed through the through hole 10 on the second connecting plate 9, and then connected to the Velcro hook surface 12 through the Velcro fur surface 11, the patient's hip joint can be fixed. Then, by starting the servo motor 603, the threaded rod 602 can be driven to rotate, driving the slider 604 to move, thereby driving the cross plate 607 to move, and thus driving the hip joint to move left and right. Then, by starting the electric telescopic rod 605, the hip joint can be driven to move up and down, which can further open the vertebral space, reduce the degree of pressure on the nerve roots, and improve the therapeutic effect of the lumbar traction device.
[0030] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.
Claims
1. A lumbar traction device that is easy to adjust, characterized in that: The invention comprises a base plate (1), a chest strap (2) is provided on one side above the base plate (1), a fixing mechanism (3) is provided at the top of the chest strap (2), a waist strap (4) is provided below the chest strap (2), a traction mechanism (5) is provided at the bottom end of the waist strap (4), and an adjustment mechanism (6) is provided on one side of the waist strap (4); the adjustment mechanism (6) comprises a groove (601) provided on the base plate (1), a threaded rod (602) is provided inside the groove (601), one end of the threaded rod (602) is connected to a servo motor (603), and the servo motor (603) is fixedly connected to the base plate (1), a slider (604) is provided on the threaded rod (602), an electric telescopic rod (605) is provided above the slider (604), a telescopic spring (606) is provided on the outside of the electric telescopic rod (605), and a horizontal plate (607) is provided above the electric telescopic rod (605).
2. The adjustable lumbar traction device according to claim 1, characterized in that: A first connecting plate (7) is provided on one side of the transverse plate (607), the number of the first connecting plates (7) is two, a first fixing belt (8) is fixed on the first connecting plate (7), a second connecting plate (9) is provided on the other side of the transverse plate (607), a through hole (10) is provided inside the second connecting plate (9), the first fixing belt (8) matches the through hole (10), one end of the first fixing belt (8) is provided with a Velcro surface (11), and one side of the Velcro surface (11) is provided with a Velcro hook surface (12).
3. The adjustable lumbar traction device according to claim 2, characterized in that: Screw rods (13) are provided on both sides of the threaded rod (602), and both ends of the screw rod (13) are fixedly connected to the bottom plate (1).
4. The adjustable lumbar traction device according to claim 1, characterized in that: The traction mechanism (5) comprises lumbar traction belts (501) arranged at the bottom ends of both sides of the waist strap (4); a connecting block (502) is provided at one end of the lumbar traction belt (501); the connecting block (502) is connected to a fixed block (503); a movable plate (504) is provided below the fixed block (503); and the movable plate (504) is connected to the driving mechanism (14).
5. The adjustable lumbar traction device according to claim 4, characterized in that: The driving mechanism (14) comprises a cylinder (15) fixed to one side of the base plate (1), the cylinder (15) being connected to a piston rod (16), and the piston rod (16) being connected to a fixed block (503).
6. The easily adjustable lumbar traction device according to claim 1, characterized in that: A first fixing frame (17) is provided on one side of the base plate (1), a mounting seat (18) is provided below the first fixing frame (17), two mounting seats (18) are provided, a pulley (19) is provided on the mounting seat (18), rotating shafts (20) are provided on both sides of the pulley (19), the rotating shafts (20) are connected to the mounting seat (18), and the pulley (19) matches the lumbar traction belt (501).
7. The easily adjustable lumbar traction device according to claim 1, characterized in that: The fixing mechanism (3) comprises a second fixing belt (301) provided at one end of the chest strap (2), the number of the second fixing belts (301) being two, a buckle (302) being provided at one end of the second fixing belt (301), a limiting hole (303) being provided on one side of the buckle (302), and the buckle (302) matching the limiting hole (303).
8. The adjustable lumbar traction device according to claim 1, characterized in that A second fixing frame (21) is provided on one side of the chest strap (2), the second fixing frame (21) is fixedly connected to the bottom plate (1), and a second fixing belt (301) is wound around the second fixing frame (21).