Spine traction support
By designing a spinal traction frame with components such as a U-shaped base, lifting frame, lifting seat, sliding frame, and airbag, the problem of large space occupation and inflexible installation of existing traction frames has been solved, achieving bidirectional propulsion correction and multi-scenario use.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-21
- Publication Date
- 2026-03-10
AI Technical Summary
The existing traction frame has a large positioning frame as its main structure, which occupies a lot of space. Its main working method is to control the traction part, which is inconvenient for pushing the body in the opposite direction to assist in correction. In addition, the installation is not flexible enough.
A spinal traction bracket was designed, which uses components such as a U-shaped base, lifting frame, lifting seat, sliding frame, back seat and airbag. It achieves bidirectional propulsion correction through bevel gear transmission and airbag control, and can be flexibly installed on the bed or the ground.
It offers a reverse propulsion correction function to accommodate patients of different body sizes, increasing the flexibility and convenience of use. It can be used on the bed or the floor to achieve effective spinal correction.
Smart Images

Figure CN223979883U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of medical device technology, and more specifically, it relates to a spinal traction brace. Background Technology
[0002] Traction frames are assistive devices used for body rehabilitation. Due to various reasons such as sitting posture, different patients have abnormal skeletal shapes and need traction to correct them. The main issue is spinal deformity, which requires long-term traction to help repair the shape of the spine.
[0003] Based on the above, the main structure of the traction frame currently in use is a large positioning frame, which occupies a lot of space in indoor places, and its main working method is to control the traction part, which is inconvenient to push the body in the opposite direction to assist in correction, and can be flexibly installed as needed. Utility Model Content
[0004] To address the aforementioned technical problems, this utility model provides a spinal traction bracket, which solves the problems mentioned in the background art, such as the existing traction brackets using a large positioning frame as the main structure, occupying a large space in indoor places, and the main working method being to control the traction part, making it inconvenient to reverse the body to assist in correction, and the lack of flexible installation as needed.
[0005] The purpose and effect of this utility model of a spinal traction brace are achieved by the following specific technical means:
[0006] A spinal traction brace includes a base, the main body of which is U-shaped, with two sets of downward-turning corner seats integrally provided at both ends of the rear side of the base; a lifting frame is fixedly provided on the top of the base; a lifting seat, with a nut seat fixedly provided at both ends of the lifting seat, and the nut seat is slidably connected to the lifting frame by a guide rail; a sliding frame is fixedly provided at both ends of the front side of the lifting seat, and a sliding seat is slidably provided in the sliding frame; a back seat is fixedly provided at the bottom of the lifting seat, and an airbag is fixedly provided at the front of the back seat.
[0007] Furthermore, vertical lead screws are rotatably installed on the middle of both sides of the lifting frame, and a synchronous shaft is rotatably installed on the top of the lifting frame. The synchronous shaft is connected to the top of the two sets of vertical lead screws by bevel gear transmission.
[0008] Furthermore, two sets of side shafts are rotatably arranged on both sides inside the landing seat, and a control shaft is rotatably arranged in the middle of the rear side of the landing seat. The control shaft is connected to the two sets of side shafts by bevel gear transmission.
[0009] Furthermore, each of the sliding frames has a sliding seat slidably disposed in the middle; each of the sliding frames has a control screw rotatably disposed in the middle, and the control screw is threadedly connected to the sliding seat; a support belt is fixedly disposed between the two sets of sliding seats; and the two sets of side shafts are respectively connected to the two sets of control screws by bevel gear transmission.
[0010] Furthermore, a control piston is fixedly installed on the rear side of the back seat, and a directional control valve is connected to the outer cylinder end of the control piston. The other end of the directional control valve is connected to the rear side of the back seat through a pipeline, and the directional control valve is also connected to the airbag.
[0011] Furthermore, the directional control valve has a sliding valve core inside, and the upper and lower ends of the sliding valve core are provided with limit structures. The upper and lower sides of the sliding valve core are provided with three-way pipes, and two sets of one-way valves are fixedly installed in each three-way pipe.
[0012] Compared with the prior art, the present invention has the following beneficial effects:
[0013] The airbag provides a reverse thrust correction function. By controlling the control piston, the change in volume allows outside air to be delivered into the airbag, inflating it. At the same time, rotating the control shaft drives two sets of side shafts to rotate via bevel gears. The side shafts, in conjunction with the bevel gears, drive the control screw to rotate, adjusting the position of the two side slides and moving the support belt backward, thus enabling bidirectional thrust correction.
[0014] The sliding valve core provides the function of controlling the airflow direction. The position of the sliding valve core can be adjusted as needed to switch the delivery direction of the control piston. In turn, the control piston is used to control the intake or exhaust of air, and to expand or contract the airbag to achieve the auxiliary correction effect. The control is convenient and stable.
[0015] The support strap has a dual-axis adjustment function, which can be adjusted up and down and forward and backward according to the needs of the usage position, making it convenient for patients of different body sizes to use.
[0016] The base has a dual installation function. When used on the ground, the base can be installed on the bracket. When used on the bed, the corner bracket can be directly clipped onto the outside of the headboard. The corner bracket has screw holes for installing set screws. The corner bracket is then fixed by the set screws, thus fixing the entire traction frame in place. This increases the flexibility of use. Attached Figure Description
[0017] Figure 1 This is a three-dimensional structural diagram of the present invention.
[0018] Figure 2 This is a schematic diagram of the isometric structure of this utility model.
[0019] Figure 3 This is a schematic diagram of a partial dismantling structure of this utility model.
[0020] Figure 4 This is a three-dimensional structural diagram of the sliding valve core of this utility model.
[0021] Figure 5 This is a three-dimensional sectional view of the sliding valve core of this utility model.
[0022] In the diagram, the correspondence between component names and drawing numbers is as follows:
[0023] 1. Base; 101. Corner seat; 2. Lifting frame; 201. Vertical lead screw; 202. Synchronous shaft; 3. Lifting seat; 301. Nut seat; 302. Side shaft; 303. Control shaft; 4. Slide frame; 401. Slide block; 402. Distance control lead screw; 403. Support belt; 5. Back seat; 501. Airbag; 502. Control piston; 6. Directional valve; 601. Sliding valve core; 602. Check valve. Detailed Implementation
[0024] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples.
[0025] Example 1:
[0026] As attached Figure 1 To be continued Figure 5 As shown:
[0027] This utility model provides a spinal traction support, including a base 1, the main body of which is U-shaped, and two sets of downward-turning corner seats 101 integrally provided at both ends of the rear side of the base 1; a lifting frame 2 is fixedly provided on the top of the base 1; a lifting seat 3, with a nut seat 301 fixedly provided at both ends of the lifting seat 3, and the nut seat 301 is slidably connected to the lifting frame 2 by a guide rail; a sliding frame 4 is fixedly provided at both ends of the front side of the lifting seat 3, and a sliding seat 401 is slidably provided in the sliding frame 4; a back seat 5 is fixedly provided at the bottom of the lifting seat 3, and an airbag 501 is fixedly provided at the front side of the back seat 5.
[0028] Vertical lead screws 201 are rotatably installed on both sides of the lifting frame 2, and a synchronous shaft 202 is rotatably installed on the top of the lifting frame 2. The synchronous shaft 202 is connected to the top of the two sets of vertical lead screws 201 by bevel gear transmission.
[0029] The landing seat 3 has two sets of side shafts 302 rotatably arranged on both sides inside, and a control shaft 303 rotatably arranged in the middle of the rear side of the landing seat 3. The control shaft 303 is connected to the two sets of side shafts 302 by bevel gear transmission.
[0030] Each slide frame 4 has a sliding seat 401 slidably mounted in the middle; each slide frame 4 has a control screw 402 rotatably mounted in the middle, and the control screw 402 is threadedly connected to the slide seat 401; each of the two sets of slide seats 401 has a support belt 403 fixedly mounted between them; and each of the two sets of side shafts 302 is connected to the two sets of control screws 402 by bevel gear transmission.
[0031] Among them, a control piston 502 is fixedly installed on the rear side of the back seat 5, and a directional control valve 6 is connected to the outer cylinder end of the control piston 502. The other end of the directional control valve 6 is provided with a pipeline connected to the rear side of the back seat 5, and the directional control valve 6 is connected to the airbag 501.
[0032] The directional control valve 6 has a sliding valve core 601 inside. The upper and lower ends of the sliding valve core 601 are provided with limit structures. The upper and lower sides of the sliding valve core 601 are provided with three-way pipes. Two sets of one-way valves 602 are fixedly installed in the three-way pipes. The installation directions of the upper and lower one-way valves 602 are opposite.
[0033] like Figure 1-5 As shown, place the chin position above the support strap 403;
[0034] The assistant rotates the synchronous shaft 202 to drive the two sets of vertical lead screws 201 to rotate, and uses the vertical lead screws 201 to drive the two sets of lead screw seats 301 to move up and down, adjusting the support belt 403 to a suitable height; rotate the control shaft 303, which drives the two sets of side shafts 302 to rotate through the bevel gear, and uses the side shafts 302 in conjunction with the bevel gear to drive the control screw 402 to rotate, adjusting the position of the two side slides 401 and moving the support belt 403 backward; the two operations are controlled according to actual needs;
[0035] Move the sliding valve core 601 downward with one hand, and then control the extension and retraction of the control piston 502 with one hand. When the control piston 502 extends, outside air enters the control piston 502 through the uppermost one-way valve 602. When the control piston 502 retracts, air enters the airbag 501 through the middle and upper one-way valve 602, opening the airbag 501 to assist in correction.
[0036] Conversely, when a reset is needed, move the sliding valve core 601 upward with one hand, and then control the extension and retraction of the control piston 502 with one hand. When the control piston 502 extends, the air in the airbag 501 enters the control piston 502 through the one-way valve 602 in the middle and lower part. When the control piston 502 retracts, the air is discharged to the outside through the one-way valve 602 at the bottom.
[0037] Example 2:
[0038] Based on embodiment 1, a positioning hole that runs vertically through the bottom center of the base 1 is provided, and a straight section that fits the bottom of the base 1 is provided. When used on the ground, the base 1 is mounted on a bracket for use.
[0039] When it is needed to be used on the bed, the corner bracket 101 can be directly fastened to the outside of the headboard. A screw hole is made in the corner bracket 101 to install a set screw. The corner bracket 101 is fixed by the set screw, and then the entire traction frame is fixed, so that it can be used on the bed.
[0040] The specific usage and function of this embodiment are as follows:
[0041] In this utility model, when in use, the base 1 is fixed in a designated position according to the installation requirements, the patient passes the head between the two sliding frames 4, and places the chin above the support strap 403;
[0042] The assistant rotates the control shaft 303, which drives the two sets of side shafts 302 to rotate via bevel gears. The side shafts 302, in conjunction with the bevel gears, drive the control screw 402 to rotate, adjusting the position of the two side slides 401 and moving the support belt 403 backward. The synchronous shaft 202 is rotated to drive the two sets of vertical screws 201 to rotate, which in turn drives the two sets of screw nut seats 301 to move up and down, adjusting the support belt 403 to a suitable height.
[0043] Move the sliding valve core 601 downward with one hand, and then control the extension and retraction of the control piston 502 with one hand. When the control piston 502 extends, outside air enters the control piston 502 through the uppermost one-way valve 602. When the control piston 502 retracts, air enters the airbag 501 through the middle and upper one-way valve 602, opening the airbag 501 to assist in correction.
[0044] When resetting, move the sliding valve core 601 upward with one hand, and then control the extension and retraction of the control piston 502 with one hand. When the control piston 502 extends, the air in the airbag 501 enters the control piston 502 through the one-way valve 602 in the middle and lower part. When the control piston 502 retracts, the air is discharged to the outside through the one-way valve 602 at the bottom.
[0045] A certain amount of traction training can be performed daily according to rehabilitation needs.
Claims
1. A spinal traction support, characterized by, The utility model relates to a lifting frame with air bag, including: Base (1), the base (1) body is U-shaped structure, and the rear side both ends of base (1) are integrally formed with two groups of downward turning corner seat (101);The top of base (1) is fixedly installed with lifting frame (2); Landing seat (3), both ends of landing seat (3) are fixedly provided with screw nut seat (301), and screw nut seat (301) is slidably connected with lifting frame (2) through guide rail;The front side both ends of landing seat (3) are fixedly installed with sliding frame (4), and sliding seat (401) is slidably arranged in sliding frame (4);The bottom of landing seat (3) is fixedly provided with back seat (5), and air bag (501) is fixedly installed on the front side of back seat (5).
2. The spinal traction support of claim 1, wherein: The middle of both sides of lifting frame (2) is rotatably provided with vertical screw (201), and the top of lifting frame (2) is rotatably provided with synchronous shaft (202), and synchronous shaft (202) is connected with the top of two groups of vertical screw (201) through bevel gear transmission.
3. The spinal traction support of claim 1, wherein: The inside both sides of landing seat (3) are rotatably provided with two groups of side shafts (302), and the middle of rear side of landing seat (3) is rotatably provided with control shaft (303), and control shaft (303) is connected with two groups of side shafts (302) through bevel gear transmission.
4. The spinal traction support of claim 3, wherein: The middle of sliding frame (4) is slidably provided with sliding seat (401);The middle of sliding frame (4) is rotatably provided with distance control screw (402), and distance control screw (402) is threadedly connected with sliding seat (401);Two groups of sliding seat (401) are fixedly installed with supporting belt (403) between them;Two groups of side shafts (302) are connected with two groups of distance control screw (402) through bevel gear transmission respectively.
5. The spinal traction support of claim 1, wherein: The rear side of back seat (5) is fixedly installed with control piston (502), and the outer tube end of control piston (502) is connected with control valve (6), and the other end of control valve (6) is connected with the rear side of back seat (5) through pipeline, and control valve (6) is communicated to air bag (501).
6. The spinal traction support of claim 5, wherein: The inside of control valve (6) is slidably provided with sliding valve core (601), and the upper and lower ends of sliding valve core (601) are provided with limiting structure, and the upper and lower sides of sliding valve core (601) are provided with three-way pipeline, and two groups of one-way valve (602) are fixedly installed in three-way pipeline.