Traction device

JP2025023908AActive Publication Date: 2025-02-19湯鴻章
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Patent Information

Application Number
JP2024125665
Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
Priority Date
2023-08-04
Filing Date
2024-08-01
Publication Date
2025-02-19
Estimated Expiration
2044-08-01

AI Technical Summary

Benefits of technology

【0026】 先行技術と比較して、本発明の牽引装置は、斬新な構造を有しており、人間工学に基づいた構成部品、調整できるバンド及びストッパーにより、使用者を快適に牽引装置上に固定できるため、牽引や伸張などの操作に適しており、使用者の偶発的な転落を防ぎ、二次的な怪我の発生を回避する。

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Abstract

To provide a traction device in consideration of comfort based on human engineering.SOLUTION: A traction device includes: a bed frame; and a floor plate provided on the bed frame. In the traction device, the floor plate includes four floor plate blocks. A first floor plate block is movable and is provided with: a cervical vertebra cushion based on human engineering; a head shape fixing member for completely covering the head part of a human body; and a lower jaw fixing band. A second floor plate block is fixed and is provided with: a plurality of stoppers including shoulder stoppers to provide reaction force for stretching the cervical vertebrae and being adjustable in response to a body shape of a user; and armpit stopper shafts to provide reaction force for extending thoracic vertebrae and lumbar vertebrae. A third floor plate block is movable and is provided with: a waist cushion based on the human engineering; and iliac bone stoppers being adjustable in response to the body shape of the user. A fourth floor plate block is movable and is provided with a plurality of foot fixing members respectively constituted by an upper member and a lower member.SELECTED DRAWING: Figure 12
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Description

[Technical field]

[0001] The present invention relates to a traction device for the human body, and more particularly to a traction device capable of flexibly adjusting the placement of components according to the body shape of a user and simultaneously linearly traction one or more parts of the cervical vertebrae, thoracic vertebrae, lumbar vertebrae, pelvis and lower limbs of the human body according to the needs of the user. [Background technology]

[0002] Existing cervical or lumbar traction devices are mainly divided into two types: sitting type and supine type. However, if the differences in the body shapes of each user are not taken into consideration and the components of the device are not ergonomic, not only will the comfort requirements of the user not be met, but the traction device will not be properly matched to the body shape during the traction rehabilitation process, which may cause secondary injuries.

[0003] In addition, because the human skeletal structure is complex, problems occurring in one area often cause pain or disorders in other areas. Existing traction devices only have the function of stretching a specific area of ​​the human body, so if a user feels discomfort in two or more areas, they need to spend more than twice as much time and use different tools to traction each affected area. Furthermore, the prior art traction devices have a complex structure and require highly trained experts to operate them and evaluate the rehabilitation status, making the rehabilitation process complicated and time-consuming, raising safety concerns and being expensive.

[0004] In order to solve the above problems, the present invention provides a traction device that has various ergonomic components, some of which are made of elastic materials to reduce discomfort to the user, and further allows the positions and opening / closing angles of the components to be adjusted according to the user's body shape, thereby preventing secondary injuries during the stretching process.

[0005] In addition, the design of multiple movable floor blocks and multiple stoppers that provide reaction force to the cervical, thoracic, lumbar and pelvic lower limbs during operation allows linear traction of one or multiple parts of the cervical, thoracic, lumbar and pelvic lower limbs of the human body according to the needs of the user, achieving effective stretching, and in accordance with the mechanisms of rehabilitation medicine, effectively improving and treating the disorders of each part, while at the same time providing the user with a comfortable experience, preventing the possibility of secondary injuries, and reducing the time and cost associated with traditional rehabilitation.

[0006] In addition, the present invention not only helps to solve joint-related problems, but also helps to relax tense muscles, tendons or ligaments. These discomforts are often caused by tissue adhesions and nerve root compression, and rehabilitation using the traction device of the present invention can stretch the adhesions and nerve root compression areas, quickly and effectively relieve pain, and improve joint mobility.

[0007] In addition, the overall design of the present invention is novel and elegant, and does not require a series of training, so that not only professionals but also ordinary people, including the patients themselves, can easily operate the traction device of the present invention after setting the parameters according to the needs of the rehabilitation program, without worrying about safety or the occurrence of any injuries. Summary of the Invention [Problem to be solved by the invention]

[0008] The present invention aims to provide a traction device having components designed with ergonomic comfort in mind, which can linearly traction muscles, tendons, ligaments and vertebrae corresponding to one or more parts of the cervical, thoracic, lumbar and pelvic lower limbs of the human body according to the need for rehabilitation of the affected part of the user, thereby achieving effective stretching of the affected part, and treating symptoms caused by tissue adhesion, nerve root compression and spinal injury lesions, and realigning malpositioned vertebrae. [Means for solving the problem]

[0009] In order to achieve the above object, the present invention provides the following technical means.

[0010] In one aspect, the present invention provides a traction device comprising: A traction device including a bed frame and a floor plate provided on the bed frame, The floor plate includes four floor plate blocks, which are a first floor plate block, a second floor plate block, a third floor plate block, and a fourth floor plate block, The first floor block is movable by providing slide rails on both sides, and a cervical cushion and a head-shaped fixing member are provided on the first floor block. The cervical cushion is a cushion on which the neck of a human body is placed, the cushion is made of an elastic material, and the curved surface of the cervical cushion has a curvature corresponding to the cervical vertebrae of the human body; The head-shaped fixing member completely covers the head of the human body, the main body of the head-shaped fixing member is made of an iron piece covered with an elastic material, and the left and right lower ends of the head-shaped fixing member are fixed to the first floor block by iron pieces, respectively, the band of the head-shaped fixing member is for fixing the forehead of the user, and has a contact part on the left and right outer sides, respectively, both ends of the mandible fixing band are connected to the contact parts, and a part for placing the occipital bone is provided at the place where a recess is formed between the head-shaped fixing members, and the head-shaped fixing member and the part for placing the occipital bone are covered with an elastic material, The second floor block is fixed, and a plurality of shoulder stoppers and a plurality of armpit stopper shafts are provided on the second floor block, The shoulder stopper provides a reaction force for extending the cervical vertebrae, the shoulder stopper is made of an iron plate covered with an elastic material, the shoulder stopper is provided on the second floor block in the form of a rotating shaft, and the shoulder stopper is slightly inclined forward by 25 degrees to fit the curvature of the shoulder and neck of the human body; When not in use, the shoulder stopper is stored in a downwardly parallel manner, and when in use, the shoulder stopper can be rotated upward to support the upper end of the shoulder of the human body, and can be slid in parallel to the width direction of the floor board, and is fixed after being adjusted to an appropriate position of the acromion according to the shoulder width of the human body. The armpit stopper shaft provides a reaction force for stretching the thoracic vertebrae and the lumbar vertebrae, and the armpit stopper shaft is made of an iron shaft covered with an elastic material and fixed to the armpits on both sides of the human body, and the armpit stopper shaft is provided in the form of a shaft; When not in use, the armpit stopper shaft is stored in parallel downward, and when in use, the armpit stopper shaft can be rotated upward to support the armpit of the human body, and can be slid left and right parallel to the width direction of the floor board, and is fixed after being adjusted to an appropriate position according to the width of the armpit of the human body, The third floor block is movable by providing slide rails on both sides, and a lumbar cushion and a plurality of iliac stoppers are provided on the third floor block. The lumbar cushion is a cushion on which the lumbar region of a human body is placed, and has a curvature corresponding to the lumbar vertebrae of the human body. The iliac bone stopper is made of an iron plate covered with an elastic material, and is fixed to the upper edge of the iliac crest on both sides of the user. The iliac bone stopper is in the form of a shaft, and is designed to be slightly inclined forward by 5 degrees. When not in use, the iliac bone stopper is stored parallel to the lower side. When in use, the iliac bone stopper is rotated upward and adjusted to an appropriate position according to the user's body shape, and then fixed. The fourth floor block is movable by providing slide rails on both sides, and a plurality of foot fixing members are provided on the fourth floor block; The foot fixing member covers both feet of a human body, and has an upper member and a lower member, the upper member is manufactured according to the curvature of the dorsum of the human body's foot, the lower member is manufactured according to the curvature of the rear part of the ankle of the human body, the two upper members are connected to each other with a connecting part, and the two lower members are connected to each other with another connecting part, and the connecting part of the upper member and the lower member can be adjusted according to the distance between the user's both feet. Traction device.

[0011] In some embodiments, the shoulder stop of the present invention is provided in the form of a rotation axis shaft on the second floor block.

[0012] In some embodiments, the armpit stopper axis of the present invention is provided in the form of a rotating axle shaft on the second floor block.

[0013] In some embodiments, the iliac bone stop of the present invention is provided in the form of a pivot shaft on the third floor plate block.

[0014] In some embodiments, the shoulder stop of the present invention is provided in the form of a shaft that is configured on the second floor block with a lead screw handle and a lead screw.

[0015] In some embodiments, the underarm stopper shaft of the present invention is provided in the second bed block in the form of a shaft consisting of a lead screw handle and a lead screw.

[0016] In some embodiments, the iliac stop of the present invention is provided in the form of a shaft comprised of a lead screw handle and a lead screw in the third floor plate block.

[0017] In some embodiments, elastic materials used in the present invention include, but are not limited to, foam, latex, rubber, or sponge.

[0018] In some embodiments, the front end of the first floor block of the present invention, the rear end of the third floor block and the rear end of the fourth floor block are provided with hook rings that are connected to electronic tensioning equipment (e.g. digital fine-tuning traction devices); According to the needs of the user's stretching parts, the electronic stretching equipment is connected to the corresponding hook ring, and when the electronic stretching device pulls the floorboard block to stretch the human body in a direction parallel to the human body direction and in a direction away from the second floorboard block, respectively, the multiple stoppers and the foot fixing member provide a reaction force, and the traction device stretches the cervical vertebrae, thoracic vertebrae, lumbar vertebrae, pelvis and lower limbs of the human body.

[0019] In some embodiments, the cervical cushion of the present invention has a curved structure that is high on both sides and gradually concaves inward, and has a physiological cervical curvature of 22 to 24 degrees from the both sides to the central concave portion.

[0020] In some embodiments, the lumbar cushion of the present invention has a curved structure that is low on both sides and gradually rises inward, with a curvature of 26 degrees from both sides to the central raised part, corresponding to the lumbar vertebrae of the human body.

[0021] In some embodiments, the iliac bone stop of the present invention is constructed based on the superior border of the iliac crest and is designed to be slightly angled forward by 5 degrees.

[0022] In some embodiments, the electronic stretching device of the present invention can be connected to a hook ring at the front end of the first bed block and optionally to a hook ring at the rear end of other blocks to correspond to the part of the user that wants to stretch, where the electronic stretching device is connected to the hook ring at the front end of the first bed block of the bed to linearly pull and stretch the cervical vertebrae of the human body; or The electronic tensioning device is connected to the hook ring at the front end of the first floor block and the hook ring at the rear end of the third floor block, and simultaneously performs linear traction and tensioning on the cervical, thoracic and lumbar vertebrae of the human body; or The electronic tensioning device is connected to the hook ring at the front end of the first bed block, the hook ring at the rear end of the fourth bed block and optionally the hook ring at the rear end of the third bed block, and simultaneously linearly traction and tension the cervical vertebrae, thoracic vertebrae, lumbar vertebrae and pelvis and lower limbs of the human body.

[0023] In some embodiments, the electronic stretching device of the present invention is connected to a hook ring at the rear end of the third floor block, and linearly pulls and stretches the thoracic and lumbar vertebrae of the human body; or The electronic tension device is connected to the hook ring at the rear end of the third bed block and the hook ring at the rear end of the fourth bed block, and simultaneously linearly pulls and tensions the thoracic vertebrae, lumbar vertebrae and pelvis of the human body.

[0024] In some embodiments, the electronic stretching device of the present invention is connected to a hook ring at the rear end of the fourth bed block, and linearly traction and stretch the pelvic lower limbs of the human body.

[0025] In another embodiment, the present invention provides a traction device comprising: A traction device as described above, comprising: between any two of the first floor block, the second floor block, the third floor block and the fourth floor block, an electric pump controls a hydraulic rod up and down, and an interlocking rod is interlocked back and forth to extend the hydraulic rod forward and backward, thereby allowing a user to adjust the up and down movement of the hydraulic rod as needed to linearly traction and extend the cervical vertebrae, thoracic vertebrae, lumbar vertebrae, pelvis and lower limbs of the human body. Effect of the Invention

[0026] Compared with the prior art, the traction device of the present invention has a novel structure, and with ergonomic components, adjustable bands and stoppers, the user can be comfortably fixed on the traction device, which is suitable for operations such as traction and stretching, prevents the user from accidentally falling, and avoids the occurrence of secondary injuries.

[0027] In addition, the design of multiple movable beds allows the linear traction of muscles, tendons, ligaments and vertebrae corresponding to one or more parts of the cervical, thoracic, lumbar and pelvic lower limbs of the human body according to the needs of the user, correcting the vertebrae above and below the compressed spinal nerve, restoring the bone to the correct position, smoothing nerve transmission and restoring to a normal state. It has better usability and safety in operation and use, and reduces the time and cost required for the rehabilitation process.

[0028] Therefore, the traction device of the present invention is not only useful for solving problems related to joints, but also has the effects of promoting the realignment of the skeletal structure of the human body and smooth blood circulation of soft tissues, relaxing tense muscles, fascia, tendons and ligaments, relieving spasms, relieving pain, etc. In addition, the present invention is easy to operate, and both experts and ordinary people, including the user himself, can easily use the present invention after setting parameters based on personal data. [Brief description of the drawings]

[0029] [Figure 1] FIG. 2 is a plan view of an overall structure according to a first exemplary embodiment of the present invention. [Diagram 2] FIG. 2 is a side view of the overall structure in the first exemplary embodiment of the present invention, as viewed from the Y direction. [Diagram 3] 1 is a side view of an overall structure according to a first exemplary embodiment of the present invention, as viewed from an X direction. [Figure 4] FIG. 2 is a schematic diagram of a slide rail of the traction device of FIG. 1; [Diagram 5] FIG. 2 is a schematic diagram of the cervical cushion when the traction device of FIG. 1 is viewed from the X direction. [Figure 6] 2 is a schematic diagram of a head type fixing member when the traction device of FIG. 1 is viewed from the X direction. FIG. [Figure 7] 2 is a schematic view of a shoulder stop in the form of a pivot shaft of the traction device of FIG. 1, seen in the X direction; FIG. [Figure 8]FIG. 2 is a schematic view of the armpit stopper axis in the form of a shaft formed by a lead screw handle and a lead screw, seen from the X direction of the retraction device of FIG. 1. [Figure 9] FIG. 2 is a schematic view of the retraction device of FIG. 1 in the X direction, showing an iliac stop in the form of a shaft formed by a lead screw handle and a lead screw. [Figure 10] 2 is a schematic diagram of a foot fixing member when the traction device of FIG. 1 is viewed from the X direction. [Figure 11] FIG. 2 is a diagram showing a state in which the towing device of FIG. 1 is used. [Figure 12] FIG. 2 is a schematic three-dimensional view of the traction device of FIG. 1. [Figure 13] FIG. 4 is a schematic side view of an overall structure in a second exemplary embodiment of the present invention. [Figure 14] FIG. 2 is a schematic three-dimensional view of the lead screw of the present invention. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0030] The towing device of the present invention will be described below by way of exemplary embodiments. Note that the exemplary embodiments are provided to describe the detailed contents and implementation effects of the present invention, and are not intended to limit the scope of the present invention.

[0031] [First embodiment]

[0032] 1 to 12 show a traction device according to a first exemplary embodiment of the present invention, which is a traction device 4 composed of a bed frame 1, a floor plate 2 and an electronic stretching device 3. The bottom of the multiple legs of the bed frame 1 may be provided with fixed casters (not shown) which facilitate the movement of the device and can be firmly fixed to prevent the bed frame 1 from slipping after movement.

[0033] As shown in Figures 1 and 2, the front and rear legs on the central axis of the bed frame 1 are provided with two rollers 11 at their top and center, respectively. The rollers 11 are for fixing the position where the towing rope is connected from the towing device to the hook ring, and are intended to achieve linear towing.

[0034] The floor plate 2 includes four floor plate blocks, namely, a first floor plate block 21, a second floor plate block 22, a third floor plate block 23, and a fourth floor plate block 24.

[0035] The first floor block 21, the second floor block 22, the third floor block 23 and the fourth floor block 24 are all provided with mattresses 212, 222, 231, 241 made of an elastic material such as sponge, foam, latex, silicone or rubber.

[0036] Considering the safety when a user stands up to get on and off the traction device of the present invention, a bed plate fixing member 217 made of a screw is provided on the side of the movable first bed plate block 21, the movable third bed plate block 23, and the movable fourth bed plate block 24. By temporarily and firmly fixing the movable first bed plate block 21, the movable third bed plate block 23, and the movable fourth bed plate block 24 to the bed frame by the bed plate fixing member 217, it is possible to prevent these movable bed plates from moving unintentionally on the slide rail due to their own movement or external force when the user stands up to get on and off the traction device, which would affect the safety of the user.

[0037] As shown in Fig. 3, the bed frame 1 is configured to cover one small square iron piece with one large square iron piece, which has the effect of strengthening the overall structure of the traction device. Furthermore, the slider is fixed to the movable floor block by screws, and the slide rail track is fixed to the bed frame 1 by screws. For example, as can be seen from the enlarged view at the bottom right of Fig. 3, the slider 2132 is fixed to the movable first floor block 21 by screws, the slide rail track 2131 is fixed to the bed frame 1 by screws, and the slider 2132 is mounted on the slide rail track 2131 by a snap-in manner.

[0038] The first movable bed block 21, the third movable bed block 23 and the fourth movable bed block 24 move by slide rails provided on both sides. As shown in Fig. 4, the first movable bed block 21 moves by slide rails 213 provided on both sides, a slide rail track 2131 is fixed to the bed frame 1 by a screw 21311, and multiple sliders 2132 are fixed to the first bed block 21 by a screw 21312. The third movable bed block 23 moves by slide rails 233 provided on both sides, a slide rail track 2331 is fixed to the bed frame 1 by a screw 23311, and multiple sliders 2332 are fixed to the third bed block 23 by a screw 23312. In addition, the movable fourth bed plate block 24 moves by slide rails 243 provided on both sides thereof, and the slide rail track 2431 is fixed to the bed frame 1 by screws 24311, and the plurality of sliders 2432 are respectively fixed onto the fourth bed plate block 24 by screws 24312. The fixed second bed plate block 22 is fixed onto the bed frame 1 by welding, so that it does not move during the towing process by the towing device.

[0039] A front-end hook ring 211 connected to the electronic tensioning device 3 is provided at the front end of the movable first floor block 21, and slide rails 213 are provided on both sides of the first floor block 21. When the electronic tensioning device 3 pulls the front-end hook ring 211, the first floor block 21 can be moved parallel to the direction of the human body (i.e., in the X direction shown in FIG. 1).

[0040] In some embodiments, an adjustable slide rail fixing component (not shown) may further be included to fix the first floor plate block 21 on the slide rail 213 at any required position on the slide rail 213.

[0041] On the first floor block 21, a cervical cushion 214 as shown in Fig. 5 and a head-shaped fixing member 215 as shown in Fig. 6 are provided. The cervical cushion 214 can be placed on the neck of the human body, and its curved surface has a curvature of 22 to 24 degrees corresponding to the cervical vertebrae of the human body, and is made of an elastic material such as sponge, foam, latex, silicone or rubber. Regarding the head-shaped fixing member 215 that completely covers the head of the human body, the main body 2151 of the head-shaped fixing member is made of an iron plate covered with an elastic material such as sponge, foam, latex, silicone or rubber, and its lower left and lower right ends are fixed to the first floor block 21 by iron pieces 2154. As a result, the iron pieces 2154 fix the installation position of the head-shaped fixing member 215, and when the user places his / her head on it, the main body 2151 made of an elastic material covers the inside or outside according to the shape of the user's head, and then completely covers the user's head by elastic force. The band 2153 is for fixing the band to the forehead of the user, and the length of the band 2153 can be adjusted according to the circumference of the user's head.

[0042] In addition, adhesion parts 2152 are provided on the left and right outer sides of the head type fixing member 215, and both ends of the lower jaw fixing band 216 (see FIG. 2) are connected to the adhesion parts 2152, respectively. The lower jaw fixing band 216 is provided in a form in which the length of the band is adjustable, but is not limited to this.

[0043] On the fixed second bed block 22, there are provided a shoulder stopper 223 as shown in FIG. 7 and an armpit stopper shaft 224 as shown in FIG. 8. The shoulder stopper 223 provides a reaction force to stretch the cervical vertebrae and can support both shoulders of the human body, and is made of an iron plate covered with an elastic material such as sponge, foam, latex, silicone or rubber. The armpit stopper shaft 224 provides a reaction force to stretch the lumbar and thoracic vertebrae and hooks both armpits of the user, and is made of an iron shaft covered with an elastic material such as sponge, foam, latex, silicone or rubber.

[0044] In one embodiment, the shoulder stoppers 223 of the present invention are all mounted on the second bed block 22 in the form of a rotating shaft 2231, and the shoulder stoppers are slightly inclined forward by 25 degrees to fit the curvature of the shoulder and neck of the human body. When not in use, the shoulder stoppers 223 are stored downward. When in use, the shoulder stoppers 223 can be rotated upward to support the upper end of the shoulder of the human body, and can slide on the rotating shaft 2231 shown in FIG. 7 in parallel with the width direction of the second bed block 22 (i.e., the Y direction shown in FIG. 1), and the shoulder stoppers 223 are adjusted to an appropriate position of the acromion according to the shoulder width of the human body and then fixed. The shoulder stoppers 223 in use are arranged approximately parallel to the Y direction, but those skilled in the art can understand that the shoulder stoppers 223 in use may also be arranged approximately perpendicular to the XY directions.

[0045] In one embodiment, the shoulder stoppers 223 of the present invention are all mounted on the second bed block 22 in the form of a shaft formed by a lead screw handle and a lead screw, and the shoulder stoppers are slightly inclined forward by 25 degrees to fit the curvature of the shoulder and neck of the human body. When not in use, the shoulder stoppers 223 are stored downward. When in use, the shoulder stoppers 223 can be rotated upward to support the upper end of the shoulder of the human body, and can slide on the rotation axis parallel to the width direction of the second bed block 22 (i.e., the Y direction shown in FIG. 1), and the shoulder stoppers 223 are adjusted to an appropriate position of the acromion according to the shoulder width of the human body and then fixed. The shoulder stoppers 223 in use are arranged approximately parallel to the Y direction, but those skilled in the art can understand that the shoulder stoppers 223 in use may also be arranged approximately perpendicular to the XY directions. When using multiple shoulder stops 223, the lead screw handle on the front side of the lead screw is turned, and the lead screw drives the two shoulder stops 223 to move inward or outward along the shaft and in parallel to the Y direction at the same time. After adjusting to an appropriate position to suit the user's body shape, the lead screw nut is fixed to fix the position of the shoulder stops 223.

[0046] In one embodiment, the armpit stopper shafts 224 are all mounted on the second bed block 22 in the form of shafts 2241 each composed of a lead screw handle 22412 and a lead screw 22411, and are used to fix the armpits on both sides of the human body. When not in use, the armpit stopper shafts 224 are stored downward. When in use, the armpit stopper shafts 224 can be rotated upward to support the armpits of the human body, and can be slid on the rotation axis shown in FIG. 8 in parallel with the width direction of the second bed block 22 (i.e., the Y direction shown in FIG. 1), and can be adjusted to an appropriate position according to the armpit width of the human body and then fixed.

[0047] The armpit stopper shaft 224 of the present invention can be connected to the second bed block 22 by using the shaft 2241. When in use, the lead screw handle 22412 at the front of the lead screw 22411 is turned, and the lead screw 22411 drives the two armpit stopper shafts 224 to move inward or outward parallel to the Y direction while moving along the shaft 2241. After adjusting to an appropriate position to suit the user's body shape, the nut of the lead screw 22411 is fixed to fix the position of the armpit stopper shafts 224.

[0048] In one embodiment, the armpit stopper shafts 224 of the present invention are all mounted on the second bed block 22 in the form of a rotating shaft. When not in use, the armpit stopper shafts 224 are stored downward. When in use, the armpit stopper shafts 224 can be rotated upward to support the armpits of the human body, and can slide on the rotating shaft parallel to the width direction of the second bed block 22 (i.e., the Y direction shown in FIG. 1), and the armpit stopper shafts 224 are adjusted to an appropriate position according to the width of the human body shape and then fixed. The armpit stopper shafts 224 in use are approximately parallel to the Y direction, but those skilled in the art can understand that the armpit stopper shafts 224 in use may also be approximately perpendicular to the XY direction.

[0049] In addition, the first block 21 is movable, and the second block 22 is immovable. A gap is left between the first block 21 and the second block 22 to accommodate different neck lengths of users. In this way, the traction device of the present invention can effectively stretch the tendons and ligaments corresponding to the cervical vertebrae and neck, such as the splenius capitis, trapezius, and sternocleidomastoid muscles, instead of stretching only the soft tissues as in the prior art, based on the installation of the movable first block 21, the fixed second block 22, and the shoulder stopper 223 that provides a counterforce.

[0050] The rear end of the movable third floor block 23 is provided with a rear end hook ring 232 connected to the electronic stretching device 3, and slide rails 233 are provided on both sides of the third floor block 23, so that the third floor block 23 can be moved parallel to the human body direction (i.e., the X direction shown in FIG. 1) when the electronic stretching device 3 pulls the rear end hook ring 232. In some embodiments, an adjustable slide rail fixing part (not shown) can be further included to fix the third floor block 23 on the slide rail 233 at any required position of the slide rail 233.

[0051] On the third bed block 23, there are provided a lumbar cushion 234 as shown in Fig. 9 and a plurality of iliac stoppers 236 as shown in Fig. 9. The lumbar cushion 234 is for supporting the lumbar part of the human body, has a structure in which both sides are low and gradually rises toward the inside, has a curvature of 26 degrees corresponding to the lumbar vertebrae of the human body from both sides to the raised part, and is made of an elastic material such as sponge, foam, latex, silicone or rubber. The iliac stoppers 236 are for fixing the upper edge of the iliac crest on both sides of the human body, and are made of an elastic material such as sponge, foam, latex, silicone or rubber and an iron plate.

[0052] In one embodiment, each of the iliac bone stops 236 is provided in the form of a shaft 2361 composed of a lead screw handle 23612 and a lead screw 23611, and is designed to be slightly inclined forward by 5 degrees. When not in use, the iliac bone stopper 236 is stored downward. When in use, the iliac bone stopper 236 can be rotated upward, and the iliac bone stopper 236 can be adjusted to a suitable position according to the user's body shape and then fixed. Each of the iliac bone stoppers 236 is designed to have a curvature according to the structure of the upper edge of the iliac crest of the human body, and the curvature can be properly matched to the upper edge portion of the iliac crest of the human body. Furthermore, the iliac bone stopper 236 can be safely provided with a slight inclination of 5 degrees forward.

[0053] Similarly, the iliac bone stopper 236 of the present invention can be provided in a form connected to the third floor plate block 23 using the shaft 2361. During use, the lead screw handle 23612 at the front of the lead screw 23611 is turned, and the lead screw 23611 drives the two iliac bone stoppers 236 to be parallel to the Y direction and to move inward or outward at the same time. After adjusting to an appropriate position to suit the user's body shape, the nut of the lead screw 23611 is fixed to fix the position of the iliac bone stopper 236.

[0054] In one embodiment, the plurality of iliac bone stoppers 236 of the present invention are all mounted on the third floor block 23 in the form of a rotating shaft, and the iliac bone stoppers 236 are all designed to have a curvature according to the structure of the upper edge of the iliac crest of the human body, and the curvature can be appropriately matched to the upper edge of the iliac crest of the human body, and is designed to be slightly inclined forward by 5 degrees. When not in use, the iliac bone stopper 236 is stored downward. When in use, the iliac bone stopper 236 can be rotated upward to support the upper edge of the iliac crest of the human body, and can slide on the rotating shaft parallel to the width direction of the third floor block 23 (i.e., the Y direction shown in FIG. 1). According to the width of the human body shape, the iliac bone stopper 236 is adjusted to an appropriate position and then fixed. The iliac bone stopper 236 in use is arranged approximately parallel to the Y direction, but those skilled in the art can understand that the iliac bone stopper 236 in use may also be arranged approximately perpendicular to the XY direction.

[0055] In the above embodiment, when not in use, the shoulder stopper 223, the armpit stopper shaft 224, and the ilium stopper 236 are stored downward, i.e., stored in a direction perpendicular to the XY direction. Note that, when not in use, any one or more of the shoulder stopper 223, the armpit stopper shaft 224, and the ilium stopper 236 may be arranged to be stored parallel to the X direction, and the present invention is not limited to this.

[0056] The rear end of the movable fourth floor block 24 is provided with a rear end hook ring 242 connected to the electronic stretching device 3, and slide rails 243 are provided on both sides of the fourth floor block 24, so that the fourth floor block 24 can be moved parallel to the human body direction (i.e., in the X direction shown in FIG. 1) when the electronic stretching device 3 pulls the rear end hook ring 242. In some embodiments, an adjustable slide rail fixing part (not shown) can be further included to fix the fourth floor block 24 on the slide rail 243 at any required position of the slide rail 243.

[0057] 10 is provided on the fourth floor plate block 24. The foot fixing member 244 can securely cover both feet of a human body and has an ergonomic upper member 2441 and a lower member 2442 of the foot, the upper member 2441 being manufactured according to the curvature of the dorsum of the human foot, and the lower member 2442 being manufactured according to the curvature of the posterior part of the ankle of the human body. The two upper members 2441 are connected to each other by a connecting part 2443, and the two lower members 2442 are connected to each other by another connecting part 2444.

[0058] From this, the traction device 4 of the present invention is for effectively stretching the user in a supine position, and those skilled in the art can understand that the supine position is the most comfortable position for the human body and provides the best stretching effect. In addition, the present invention provides a plurality of fixing members, stopper shafts, and stoppers, so that the cervical vertebrae, thoracic vertebrae, lumbar vertebrae, pelvis, and lower limbs can be stretched in a straight line, and there is no problem in the prior art that the spine of the human body cannot be stretched in a straight line due to distortion in the direction of the force, and that only the superficial soft tissue is stretched, and the effect of simultaneously traction of the spine, tendons, ligaments, etc. of the human body cannot be achieved.

[0059] The traction device 4 of the present invention can stretch different affected parts of each user by connecting the electronic stretching device 3 to the hook ring of the movable floor block according to the need of each affected part. For example, it can stretch only one part at a time, such as the cervical vertebrae, thoracic vertebrae, lumbar vertebrae, or pelvic lower limbs at a time.

[0060] In addition, the traction device 4 of the present invention can, according to the needs of different affected parts of each user, by connecting the electronic stretching equipment 3 to the hook rings of different floor blocks, for example, traction and stretch only the cervical vertebrae at one time, traction and stretch only the thoracic vertebrae and lumbar vertebrae at one time, traction and stretch the cervical vertebrae, thoracic vertebrae and lumbar vertebrae at the same time, traction and stretch the thoracic vertebrae, lumbar vertebrae and pelvic lower limb part at the same time, traction and stretch the cervical vertebrae, thoracic vertebrae, lumbar vertebrae and pelvic lower limb part at the same time, traction and stretch only the pelvic lower limb part at one time, etc., and can also stretch only a single part at the same time.

[0061] 11 shows a state diagram of the traction device 4 in one embodiment. In this embodiment, the traction device 4 of the present invention connects the electronic stretching device 3 to the front hook ring 211 of the first floor block and the rear hook ring 242 of the fourth floor block, and does not fix the slide rail 233 of the third floor block 23, thereby simultaneously linearly traction and stretch the cervical spine and pelvis lower limbs of the human body.

[0062] In one embodiment, the traction device 4 of the present invention performs linear traction and stretching of the cervical spine of the human body by connecting and stretching the electronic stretching device 3 to the front end hook ring 211 of the first floor block.

[0063] In one embodiment, the traction device 4 of the present invention performs linear traction and stretching of the thoracic and lumbar vertebrae of the human body by connecting the electronic stretching device 3 to the rear end hook ring 232 of the third floor block.

[0064] In one embodiment, the traction device 4 of the present invention simultaneously performs linear traction and stretching of the cervical, thoracic and lumbar vertebrae of the human body by connecting the electronic stretching device 3 to the front end hook ring 211 of the first floor block and the rear end hook ring 232 of the third floor block.

[0065] In one embodiment, the traction device 4 of the present invention linearly traction and stretches the thoracic vertebrae, lumbar vertebrae and pelvis lower limbs of the human body by connecting and stretching the electronic stretching equipment 3 to the rear end hook ring 232 of the third floor block and the rear end hook ring 242 of the fourth floor block.

[0066] In one embodiment, the traction device 4 of the present invention connects the electronic stretching device 3 to the front end hook ring 211 of the first floor block and the rear end hook ring 242 of the fourth floor block, thereby simultaneously linearly traction and stretching the cervical vertebrae, thoracic vertebrae, lumbar vertebrae and pelvis and lower limbs of the human body.

[0067] In one embodiment, the traction device 4 of the present invention performs linear traction and stretching of the pelvis and lower limbs of the human body by connecting the electronic stretching device 3 to the rear end hook ring 242 of the fourth floor block.

[0068] In order to better understand the overall structure of the device of the present invention, a schematic diagram of the three-dimensional structure of the traction device 4 of the present invention is provided, as shown in FIG.

[0069] 2 shows that the electronic stretching device 3 is connected to only two hook rings at a time, but those skilled in the art can understand that the electronic stretching device 3 can have three connecting lines and can be connected to three hook rings at a time, for example, by connecting to the front end hook ring 211 of the first floor block, the rear end hook ring 232 of the third floor block, and the rear end hook ring 242 of the fourth floor block, and simultaneously linearly pulling and stretching the cervical vertebrae, thoracic vertebrae, lumbar vertebrae, and pelvis lower limbs of the human body.

[0070] The electronic stretching device 3 of the present invention can be provided in a manner well known to those skilled in the art. For example, it may have a touch panel or button panel for an operator to operate, or a remote control or remote operation connection mode for the user to operate it himself. During operation, the traction and stretching parameters, such as the traction weight poundage, stretching time, and interval time, can be set. Exemplary parameter settings are as follows: The traction weight parameter can be started from 1 / 7 of the user's body weight and gradually increased to 1 / 4 of the body weight, and increased or adjusted according to the individual's condition. The traction method is an interval type traction, and usually, one cycle involves 7 seconds of stretching followed by a 15-second pause. In this way, this cycle is repeated for 20 to 30 minutes.

[0071] In summary, the structural design of the traction device 4 of the present invention is novel and sophisticated, and the affected area can be linearly stretched to achieve the effects of effective traction, discomfort relief or treatment. Since issues such as safety and ease of operation are taken into consideration during the overall design, the operation of the present invention is simple, and both experts and ordinary people can operate and use the traction device of the present invention without any safety risks.

[0072] [Second embodiment]

[0073] The towing device in the second exemplary embodiment of the present invention is a towing device 4, which is composed of a bed frame 1, a floor plate 2, and a hydraulic equipment 5, as shown in Fig. 13. Fixed casters (not shown) are provided at the bottom of the multiple legs of the bed frame 1, which facilitate the movement of the device and can be firmly fixed to prevent the bed frame 1 from slipping after movement.

[0074] The front and rear legs on the central axis of the bed frame 1 are provided with two rollers 11 at their top and center, respectively. The rollers 11 are for fixing the position of the towing rope connected to the hook ring from the towing device, and are intended to achieve linear towing. The bed plate 2 includes four bed plate blocks, namely, a first bed plate block 21, a second bed plate block 22, a third bed plate block 23, and a fourth bed plate block 24. The first bed plate block 21, the second bed plate block 22, the third bed plate block 23, and the fourth bed plate block 24 are all provided with mattresses made of elastic materials, such as sponge, foam, latex, silicone, or rubber. The hydraulic equipment 5 is a design structure well known to those skilled in the art, such as an electric hydraulic bed, a manual hydraulic bed, or a manual hydraulic hand lift.

[0075] Slide rails 213 are provided on both sides of the movable first floor plate block 21, and an interlocking rod base 511 is provided at 1 / 3 of the way from the front end of the bottom of the first floor plate block 21, and the interlocking rod 512 is connected to the interlocking rod base 511 to the hydraulic rod 51, and when the hydraulic cylinder 52 of the hydraulic equipment 5 is operating, moving the hydraulic rod 51 upward or downward moves the first floor plate block 21 parallel to the direction of the human body (X direction). The interlocking rod may be removable, or may be fixedly connected to the hydraulic equipment 5.

[0076] Slide rails 233 are provided on both sides of the movable third floor block 23, and an interlocking rod base 531 is provided at 1 / 3 of the way from the front end of the bottom of the third floor block 23. The interlocking rod 532 is connected to the hydraulic rod 51 from the interlocking rod base 531. When the hydraulic cylinder 52 of the hydraulic equipment 5 is operating, moving the hydraulic rod 51 upward or downward moves the third floor block 23 parallel to the direction of the human body (X direction).

[0077] Slide rails 243 are provided on both sides of the movable fourth floor block 24, and an interlocking rod base 541 is provided at 1 / 4 of the way from the rear end of the bottom of the fourth floor block 24. The interlocking rod 542 is connected to the interlocking rod base 541 from the hydraulic rod 51. When the hydraulic cylinder 52 of the hydraulic equipment 5 is operating, moving the hydraulic rod 51 upward or downward moves the fourth floor block 24 parallel to the direction of the human body (X direction).

[0078] In addition to the above, referring to Figs. 3 to 10 and the corresponding descriptions above, other components and technical features in the second embodiment can be provided similarly to those in the first embodiment.

[0079] From this, the traction device 4 of the present invention is for effectively stretching the user in a supine position, and those skilled in the art can understand that the supine position is the most comfortable position for the human body and provides the best stretching effect. In addition, the present invention provides a plurality of fixing members, stopper shafts, and stoppers, so that the cervical vertebrae, thoracic vertebrae, lumbar vertebrae, pelvis, and lower limbs can be stretched in a straight line, and there is no problem that the spine of the human body cannot be stretched in a straight line due to distortion in the direction of force as in the prior art, and that only the superficial soft tissues are stretched, and the effect of simultaneously traction of the spine, pelvis, lower limbs, tendons, ligaments, and the like of the human body cannot be achieved.

[0080] In an embodiment of the present invention, the hydraulic equipment 5 controls the upward or downward movement of the hydraulic rod 51 between any two floor blocks using a hydraulic pump 53, thereby causing the interlocking rod to move and extend, thereby providing a traction effect for the human body.

[0081] 13, the hydraulic equipment 5 connects the linking rods 512, 532 located under the first floor block 21 and the third floor block 23 to the hydraulic rod 51, and controls the hydraulic rod 51 to move upward or downward, so that the linking rod moves to both sides and extends. In this state, the cervical, thoracic and lumbar vertebrae of the human body are extended.

[0082] In some embodiments, the linking rod can be two-staged, and the connection parts of the two-stage rod are connected by telescopic devices 5121, 5321, 5421 to accommodate users of different heights, and the floorboard can be positioned to be effectively extended by adjusting the tightening and loosening of the telescopic devices 5121, 5321, 5421. For example, when the telescopic device 5121 is tightened, the linking rod 512 becomes shorter, making it suitable for use by users with small body sizes, and conversely, when the telescopic device 5121 is loosened, the linking rod 512 becomes longer, making it suitable for use by users with large body sizes.

[0083] The hydraulic equipment 5 of the present invention can be provided in a manner well known to those skilled in the art. For example, in its operation, it may have a touch panel or button panel for an operator to perform the operation, or a remote control or remote operation connection mode for the user to perform the operation himself. During operation, the extension parameters of the hydraulic equipment 5, such as the towing weight poundage, extension time, and interval time, can be set. Exemplary parameter settings are as follows: The towing weight parameter can start from 1 / 7 of the user's body weight and gradually increase to 1 / 4 of the body weight, and is increased or adjusted according to the individual's condition. The towing method is interval towing, and usually, one cycle includes 7 seconds of extension followed by a 15-second interval stop. In this way, this cycle is repeated for 20 to 30 minutes.

[0084] In addition, in order to make the structure of the lead screw of the present invention more clearly understood, a schematic three-dimensional diagram of the lead screw in FIG. 14 is provided.

[0085] In summary, the structural design of the traction device of the present invention is sophisticated, and the effect of effectively stretching, relieving discomfort or treating the affected area can be achieved by linear traction of the affected area. Since issues such as safety and convenience of operation are taken into consideration during the overall design, the operation of the present invention is simple, and both experts and ordinary people can operate and use the traction device of the present invention without any safety risks.

[0086] The terms used in this specification are used to describe specific embodiments and are not intended to limit the contents of the present invention. As used in this specification, the singular forms "a", "one" and "said" do not limit the quantity and should be interpreted as including the plural form unless otherwise clearly indicated in the context.

[0087] All ranges disclosed herein include the limits and all combinations of the limits and intermediate values. The term "combination thereof" is inclusive and inclusive of one or more of the recited elements. It is also to be understood that the term "comprising" as used herein specifies the presence of recited features, components, steps and / or parts, but does not exclude the presence or increment of one or more other features, components, steps, parts and / or combinations thereof.

[0088] The term "aspect" or "embodiment" means a description of an aspect or embodiment that may be included in at least one aspect or embodiment of the invention, and may or may not be present in other aspects or embodiments.

[0089] Although preferred embodiments have been described, various improvements and modifications now and hereafter made by those skilled in the art should be understood to be included within the scope of the appended claims, which should be interpreted in a manner that maintains appropriate protection for the original disclosure. [Explanation of symbols]

[0090] 1. Bed frame 11. Roller 2. Floorboards 21…First floor block 211…Front hook ring 212…First floor block mattress 213…Slide rail 2131…Slide rail track 21311...Screw 21312...Screw 2132...Slider 214…Cervical cushion 215...Head type fixing member 2151…Main body 2152…Close contact area 2153…Band 2154…Iron piece 216…Mandibular fixation band 217...Floor board fixing member 22…Second floor block 222…Second floor block mattress 223...Shoulder stopper 2231...Rotating shaft 224...Armpit stopper shaft 2241...Shaft 22411…Lead screw 22412…Lead screw handle 23…Third floor block 231…Third floor block mattress 232…Rear end hook ring 233…Slide rail 2331…Slide rail track 23311...Screw 23312...Screw 2332...Slider 234…Lumbar cushion 236…iliac bone stopper 2361...Shaft 23611…Lead screw 23612…Lead screw handle 24…Fourth floor block 241…Fourth floor block mattress 242…Rear end hook ring 243…Slide rail 2431…Slide rail track 24311...Screw 24312...Screw 2432...Slider 244...Foot fixing member 2441…Upper member 2442…Lower member 2443…Connection parts 2444…Connection parts 3...Electronic stretching equipment (digital fine-tuning traction device) 4...Traction device 5. Hydraulic equipment 51...Hydraulic rod 511...Interlocking rod base 512...Interlocking rod 5121…Stretcher 52...Hydraulic cylinder 53...Hydraulic pump 531…Interlocking rod base 5321…Stretcher 532...Interlocking rod 541…Interlocking rod base 542...Interlocking rod 5421…Stretcher

Claims

1. A traction device including a bed frame and a floor plate provided on the bed frame, The floor plate includes four floor plate blocks, which are a first floor plate block, a second floor plate block, a third floor plate block, and a fourth floor plate block, The first floor block is movable by providing slide rails on both sides, and a cervical cushion and a head-shaped fixing member are provided on the first floor block. The cervical cushion is a cushion on which the neck of a human body is placed, the cushion is made of an elastic material, and the curved surface of the cervical cushion has a curvature corresponding to the cervical vertebrae of a human body; The head-shaped fixing member completely covers the head of the human body, the main body of the head-shaped fixing member is made of an iron plate covered with an elastic material, and the left and right lower ends of the head-shaped fixing member are fixed to the first floor block by iron pieces, respectively. The head-shaped fixing member fixes the user's forehead with a band, and a contact part is provided on the left and right outer sides, respectively. Both ends of the mandibular fixing band are connected to the contact parts, respectively. The second floor block is fixed, and a plurality of shoulder stoppers and a plurality of armpit stopper shafts are provided on the second floor block, The shoulder stopper provides a reaction force for stretching the cervical vertebrae, the shoulder stopper is made of an iron plate covered with an elastic material, the shoulder stopper is provided on the second floor block in the form of a rotating shaft, and the shoulder stopper is inclined forward by 25 degrees to fit the curvature of the shoulder and neck of the human body; When not in use, the shoulder stopper is stored in a downwardly parallel manner, and when in use, the shoulder stopper can be rotated upward to support the upper end of the shoulder of the human body, and can be slid in parallel to the width direction of the floor board, and is fixed after being adjusted to an appropriate position of the acromion according to the shoulder width of the human body. The armpit stopper shaft provides a reaction force for stretching the thoracic vertebrae and the lumbar vertebrae, and the armpit stopper shaft is made of an iron shaft covered with an elastic material and fixed to the armpits on both sides of the human body, and the armpit stopper shaft is provided in the form of a shaft; When not in use, the armpit stopper shaft is stored in parallel downward, and when in use, the armpit stopper shaft can be rotated upward to support the armpit of the human body, and can be slid left and right parallel to the width direction of the floor board, and is fixed after being adjusted to an appropriate position according to the width of the armpit of the human body, The third floor block is movable by providing slide rails on both sides, and a lumbar cushion and a plurality of iliac stoppers are provided on the third floor block. The lumbar cushion is a cushion on which the lumbar region of a human body is placed, and has a curvature corresponding to the lumbar vertebrae of the human body. The iliac bone stopper is made of an iron plate covered with an elastic material, and is used to fix the upper edge of the iliac crest on both sides of the human body. The iliac bone stopper is in the form of a shaft and is designed to be inclined forward by 5 degrees. When not in use, the iliac bone stopper is stored parallel to the lower side. When in use, the iliac bone stopper is rotated upward and adjusted to an appropriate position according to the user's body shape, and then fixed. The fourth floor block is movable by providing slide rails on both sides, and a plurality of foot fixing members are provided on the fourth floor block; The foot fixing member covers both feet of a human body, and has an upper member and a lower member, the upper member is manufactured according to the curvature of the dorsum of the human body's foot, the lower member is manufactured according to the curvature of the rear part of the ankle of the human body, the two upper members are connected to each other with a connecting part, and the two lower members are connected to each other with another connecting part, and the connecting parts of the upper member and the lower member can be adjusted according to the shape of the user's both feet. A towing device characterized by:

2. The retraction device according to claim 1 , wherein the axillary stopper shaft and / or the iliac stopper are both provided in the form of a shaft consisting of a lead screw handle and a lead screw.

3. The front end of the first floor block, the rear end of the third floor block, and the rear end of the fourth floor block are each provided with a hook ring connected to an electronic tensioning device; According to the need of the user's stretching part, the electronic stretching equipment is connected to the corresponding hook ring, and when the electronic stretching device pulls the floor plate block to stretch the human body in the direction parallel to the human body direction and in the direction away from the second floor plate block, respectively, the shoulder stopper and / or the ilium stopper, the armpit stopper axis and the foot fixing member provide a reaction force, and the traction device stretches the cervical vertebrae, thoracic vertebrae, lumbar vertebrae and pelvic lower limbs of the human body.

4. The traction device according to claim 1, wherein the cervical cushion has a curved structure with both sides high and gradually concave toward the inside, and has a physiological curvature of the cervical spine of 22 to 24 degrees from the both sides to the central concave part.

5. 2. The traction device according to claim 1, wherein the lumbar cushion has a curved structure that is low on both sides and gradually rises inward, and has a curvature of 26 degrees from both sides to the central raised portion, corresponding to the lumbar vertebrae of the human body.

6. The traction device according to claim 1 , wherein the iliac stopper is a structure based on the superior edge of the iliac crest and is provided with a design that is inclined forward by 5 degrees.

7. The electronic tensioning device is connected to a hook ring at the front end of the first floor block to perform linear traction and tensioning of the cervical vertebrae of the human body; or The electronic tensioning device is connected to the hook ring at the front end of the first floor block and the hook ring at the rear end of the third floor block, and simultaneously performs linear traction and tensioning on the cervical, thoracic and lumbar vertebrae of the human body; or The traction device according to claim 3, wherein the electronic tensioning device is connected to the hook ring at the front end of the first floor block, the hook ring at the rear end of the fourth floor block and the hook ring at the rear end of the third floor block, and simultaneously linearly traction and tension the cervical vertebrae, thoracic vertebrae, lumbar vertebrae and pelvis lower limbs of the human body.

8. The electronic tension device is connected to a hook ring at the rear end of the third floor block to linearly pull and tension the thoracic and lumbar vertebrae of the human body; or The traction device according to claim 3, wherein the electronic tensioning device is connected to the hook ring at the rear end of the third floor block and the hook ring at the rear end of the fourth floor block, and simultaneously linearly traction and tension the thoracic vertebrae, lumbar vertebrae and pelvis lower limbs of the human body.

9. 4. The traction device according to claim 3, wherein the electronic tensioning device is connected to a hook ring at the rear end of the fourth floorboard block, for linearly traction and tensioning the pelvis and lower limbs of the human body.

10. Between any two of the first, third and fourth floor blocks, a hydraulic rod is controlled up and down by an electric pump, and an interlocking rod is interlocked and extended forward and backward, the interlocking rod is two-stage, and the connecting portion of the two-stage rod is connected by a telescopic device to accommodate users of different heights, and by adjusting the tightening and loosening of the telescopic device, the floor plate is set at a position where it can be effectively extended, and the user can adjust the up and down movement of the hydraulic rod as necessary to linearly pull and extend the cervical vertebrae, thoracic vertebrae, lumbar vertebrae and pelvis and lower limbs of the human body. A towing device according to any one of claims 1 to 9.

Citation Information

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