WO2015089946A1 - 一种椎体牵拉床 - Google Patents

一种椎体牵拉床 Download PDF

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Publication number
WO2015089946A1
WO2015089946A1 PCT/CN2014/073293 CN2014073293W WO2015089946A1 WO 2015089946 A1 WO2015089946 A1 WO 2015089946A1 CN 2014073293 W CN2014073293 W CN 2014073293W WO 2015089946 A1 WO2015089946 A1 WO 2015089946A1
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WO
WIPO (PCT)
Prior art keywords
bed
pulling
electric push
push rod
thrust
Prior art date
Application number
PCT/CN2014/073293
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English (en)
French (fr)
Inventor
何少敦
Original Assignee
何少敦
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 何少敦 filed Critical 何少敦
Publication of WO2015089946A1 publication Critical patent/WO2015089946A1/zh

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
    • A61F5/01—Orthopaedic devices, e.g. splints, casts or braces
    • A61F5/04—Devices for stretching or reducing fractured limbs; Devices for distractions; Splints
    • A61F5/042—Devices for stretching or reducing fractured limbs; Devices for distractions; Splints for extension or stretching

Definitions

  • the invention relates to a vertebral body pulling treatment device, in particular to a vertebral body pulling bed.
  • the traction treatment of the vertebral body requires the use of relevant medical equipment.
  • the body above the lumbar spine should be tied to a moving bed board, and the body below the lumbar spine should be tied to the other moving body.
  • the pulling force generated by the movement of the two bed plates acts on the lumbar vertebrae to produce a pulling effect.
  • the problem is that the upper and lower body of the lumbar vertebrae are tightly tied at the same time, which often causes poor comfort, inconvenient operation, and poor pulling effect. .
  • the present invention provides a vertebral body pulling bed, including a bed body and an electric push rod, and the electric push rod is installed on the bed board.
  • a thrust crossbar is arranged at the front end of the telescopic rod of the electric push rod, and the electric push rod drives the thrust cross rod to move to the outside.
  • the human body lies on the bed board, the lower leg is suspended at the end of the bed, the inner side of the knee joint and the thrust
  • the thrust crossbar acts on the inner side of the knee joint to move the vertebral body.
  • the pulling of the lumbar vertebrae by the pulling bed proposed by the present invention does not require the upper and lower body of the lumbar spine to be tightly tied at the same time, and has good comfort and convenient operation, and can be popularized in a home or office.
  • a vertebral body pulling bed comprising a bed body and an electric push rod
  • the bed body is composed of a bed board, a bed frame and a bed leg
  • the electric push rod is installed on the lower side of the bed board
  • the electric push rod is a telescopic electric push rod
  • the electric push rod is installed at a position of a bed at a lower side of the bed plate
  • a thrust cross rod is disposed at a front end of the telescopic rod of the electric push rod, and the electric push rod drives the thrust horizontally.
  • the rod moves to the outside.
  • a preferred embodiment of the present invention is further provided with a connecting end for fixing the thrust crossbar to the front end of the telescopic rod, and the upper end of the connecting end is provided with a through hole for fixing the thrust crossbar, and the connecting end is under the connecting end
  • the side is provided with a fixing hole for fixing the connecting end to the telescopic rod.
  • the connecting end is a u-shaped structure in which a metal plate is bent.
  • the preferred embodiment of the present invention is further provided with a pulling device, the pulling device mainly comprises a pulling rope, a tensioning buckle and a tightening belt, and one end of the pulling rope is connected with the tensioning buckle and the other end is connected with the head of the bed, and is received.
  • the fastening end of the strap is fixed to the head of the bed, and the pull end of the tightening strap passes through the threading hole of the tensioning buckle, and the tightening strap forms a retractable loop on the bed board, and the tightening strap is pulled by hand.
  • the tightness of the snare can be adjusted to achieve pre-tensioning of the human body.
  • the preferred embodiment of the present invention is further provided with a pulling device, the pulling device mainly comprises a pulling rope, a tensioning buckle and a tightening belt, and one end of the pulling rope is connected with the tensioning buckle and the other end is connected with the head of the bed, and is received.
  • the strap end of the strap is wound around the head of the bed and is connected to the connecting end provided at the front end of the telescopic rod at the lower side of the bed plate, and the pull end of the tightening strap passes through the threading hole of the tension buckle, and the strap is tightened
  • a retractable snare is formed on the bed board, and the tightening strap is pulled by hand to adjust the tightness of the snare to achieve pre-tensioning of the human body.
  • the utility model has the beneficial effects that: the sliding mattress provided by the invention and the pulling bed made of the sliding mattress are used, and the human body lies on the bed board when lying on the bed, and the gravity of the human body below the lumbar vertebrae has a gravity effect.
  • the adhesion between the human body and the sliding mattress is generated, and the external force is applied to slide the mattress to the outside to thereby pull the human vertebral body, and the pulling effect is obvious, the comfort is good, and the operation is convenient. , can be promoted in the home or office.
  • FIG. 1 to FIG. 9 are schematic views showing the structure of a first embodiment of the present invention; wherein FIG. 1 is a schematic view of the overall structure, wherein FIG. 2 is a schematic structural view after removing the bed plate, and FIG. 3 is a schematic structural view when used, FIG. FIG. 9 is an enlarged schematic view of a partial structure.
  • 10 and FIG. 11 are schematic structural views of a second embodiment of the present invention, wherein FIG. 10 is a general structural view and FIG. 11 is a partial structural schematic view.
  • 12 and FIG. 13 are partial structural views of a third embodiment of the present invention, and FIG. 12 is an enlarged schematic view of the structure.
  • FIG. 12 is an enlarged schematic view of the structure.
  • 6 telescopic electric push rod 6A telescopic rod, 6B outer shell, 6. 1A front support, 6. 1A1 mounting hole, 6. 1B rear support, 6. 2B rear mounting pin, 6. 2 mounting plate;
  • FIG. 1 to 9 are schematic views showing the structure of a first embodiment of the present invention; wherein FIG. 1 is a schematic view of the overall structure, wherein FIG. 2 is a schematic structural view after removing the bed plate, and FIG. 3 is a schematic structural view when in use, FIG. 4 to FIG. A schematic diagram of the local structure is enlarged.
  • the vertebral body pulling bed proposed by the present invention comprises a bed body and an electric push rod, and the bed body is composed of the bed board 3, the bed frame 2 and the bed legs 1. 1, 2. 2, 1. 3,
  • the electric push rod 6 is mounted on the lower side of the bed plate 3, and the electric push rod 6 is a telescopic electric push rod.
  • the electric push rod 6 is mounted on the lower side of the bed board 3 at the bed end position, and the front end of the telescopic rod 6A of the electric push rod 6 is disposed.
  • the thrust rail 4.1, the electric push rod 6 drives the thrust rail 4.1 to move outward.
  • FIG. 4 to 9 show that, in this example, a mounting plate 6.2 is also provided, and the mounting plate 6.2 is mounted on the crossbars 2.1, 2.2 of the bed frame 2 at the end of the bed, and an electric push rod is also disposed on the lower side of the mounting plate 6.2.
  • the support member 4.3 can be a pinned or a fixed member; the thrust cross member 4.1 is fixed at the connection end of the upper end of the joint. 2, Figure 2, the upper side of the fixed end of the telescopic rod 4 is fixed with a fixed thrust rail.
  • the first support is 6. 1B, the rear support is 6.
  • the rear support is 6. 1B, the rear support is 6. .
  • the thrust crossbar 4. 1 is close to the crossbar of the bed frame 2. 2.
  • the telescopic rod 6A is opened, push the thrust crossbar 4. 1 to the outside.
  • Figure 3 is a schematic view of the structure when in use, the figure shows that, in use, the thrust crossbar is first taken back, the human body 8 is lying on the bed board 3, and the lower leg 8.3 is suspended at the end of the bed, so that the inside of the knee joint 8.3A is The thrust rail 4 of the thrust bracket 4 is in contact, and the electric push rod 6 is operated.
  • the electric push rod 6 drives the thrust rail 4.1 to move and exerts a thrust on the inner side of the knee joint 8.3A to thereby pull the lumbar vertebrae.
  • the use of the pulling bed proposed by the present invention does not require the body to be tightened when treating the lumbar spine.
  • the utility model can effectively solve the problems that the pulling bed needs to be tied tightly, often brings discomfort to the user, is inconvenient to use, and has poor pulling effect.
  • the pulling bed proposed by the invention has the advantages of simple structure and convenient use, and can be Promote applications in your home or office.
  • FIG. 10 and FIG. 11 are schematic structural views of a second embodiment of the present invention, wherein FIG. 10 is a schematic view of the overall structure, and FIG. 11 is a partial structural view.
  • a pulling device 5 is further provided, and the pulling device 5 mainly comprises a pulling rope 5.1, a tensioning buckle 5.1A, a tightening belt 5.2, and a pulling rope 5.1.
  • the end is connected to the tensioning buckle 5.1A and the other end is connected to the crossbar 2.3 of the bed frame at the head of the bed.
  • the connecting end of the strap 5.2 is tightened. Pass through the threaded hole of the 5.1A and tighten the belt to form a snare on the bed.
  • the tension of the snare can be adjusted and the human body can be pre-tensioned by tightening the buckle 5.1.
  • Tightening buckles are tools that are often used to tie goods in the field of logistics and transportation today, also known as zinc buckles. In this case, the lumbar vertebrae can be pulled separately, and the cervical vertebrae and lumbar vertebrae can be pulled simultaneously.
  • the thrust crossbar When it is necessary to pull the cervical vertebrae and the lumbar vertebrae at the same time, the thrust crossbar is first taken back, the human body 8 is placed on the bed board 3, and the lower leg 8.3 is suspended at the end of the bed, so that the inner side of the knee joint 8.3A and the thrust bracket 4 The thrust crossbar 4.1 is in contact, and then the tightening strap 5.2 is connected to the underarm position of the human body and pretensioned by the pull end 5.22, the electric push rod 6 is operated, and the electric push rod 6 drives the thrust crossbar 4.1 Move and apply thrust to the inside of the knee joint 8.3A, thus facing the cervical vertebrae, The lumbar spine is pulled. 12 and FIG.
  • FIG. 13 are schematic diagrams showing a partial structure of a third embodiment of the present invention, wherein FIG. 12 is an enlarged schematic view of the structure. The difference from the second embodiment is shown in the figure.
  • the connecting end 5.21 of the tightening strap 5.2 is connected to the front end of the telescopic rod 6A on the lower side of the bed board after passing through the head rail 2.3.
  • the terminal 4.2 is fixed.
  • the position of the crossbar 2. The position of the crossbar 2.
  • the position of the crossbar 2. The position of the crossbar 2.
  • 3 Set the jack, insert the U-shaped guide wire 7 into the jack and fix it.
  • the function of the guiding and suspending belts 5.2 In this example, when the thrust crossbar 4.1 moves outward, the tightening belt also moves.
  • the bed frame 2 is composed of a circular tube.
  • the bed frame may also be a non-circular pipe profile.
  • the rope is required to pass around the end of the bed. The position of the pulley assembly is set so that the rope can slide smoothly.

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  • Health & Medical Sciences (AREA)
  • Nursing (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)

Abstract

一种椎体牵拉床，包括床体和电动推杆（6），电动推杆（6）安装在床板下侧，在电动推杆（6）的伸缩杆前端设置有推力横杆（4.1），电动推杆（6）驱动推力横杆（4.1）向外侧移动，使用时，人体仰卧在床板上，小腿悬吊在床尾端部，膝关节内侧与推力横杆（4.1）接触，推力横杆（4.1）向外侧移动时将推力作用在膝关节内侧从而对椎体产生牵拉作用。本牵拉床对腰椎进行牵拉治疗，不需要对腰椎上、下的身体同时绑紧，使用舒适性好，操作方便，可以在家庭或办公场所中推广应用。

Description

一种椎体牵拉床 技术领域
本发明涉及一种椎体牵拉治疗设备， 尤其涉及一种椎体牵拉床。
背景技术
现今， 人们工作时需要使用电脑的时间越来越多， 长时间坐在座椅上操作电脑， 容易使人的腰椎及颈 椎造成疲劳及劳损， 日积月累， 容易引起严重的腰椎病及颈椎病， 给患病的人带来生活和工作上的困扰。 目前， 患腰椎病及颈椎病的病人越来越多， 而且有年轻化的趋势， 是一个值得关注的社会性健康问题。 现 今对椎体进行牵拉是治疗腰椎病及颈椎病的常用方法， 它可以缓解由椎体之间的压迫所产生的一系列建康 问题， 有很好的治疗和保健作用。 对椎体进行牵拉治疗需要借助相关医疗设备， 目前在使用牵拉床时， 需 将人体腰椎以上身体绑紧在一只移动床板上、 而将人体腰椎以下身体绑紧在另一只移动的床板上， 由两只 床板移动时产生的拉力作用在腰椎上产生牵拉作用， 问题是， 将腰椎上、 下的身体同时绑紧往往造成使用 舒适性差、 操作不方便、 牵拉效果差等问题。
发明内容
为了解决现今椎体治疗牵拉床存在使用舒适性差、 操作不方便、 牵拉效果差等缺点， 本发明提出一种 椎体牵拉床， 包括床体和电动推杆， 电动推杆安装在床板下侧， 在电动推杆的伸缩杆前端设置有推力横 杆， 电动推杆驱动推力横杆向外侧移动， 使用时， 人体仰卧在床板上， 小腿悬吊在床尾端部， 膝关节内侧 与推力横杆接触， 推力横杆向外侧移动时将推力作用在膝关节内侧从而对椎体产生牵拉作用。 使用本发 明提出的牵拉床对腰椎进行牵拉治疗， 不需要对腰椎上、 下的身体同时绑紧， 使用舒适性好， 操作方便， 可以在家庭或办公场所中推广应用。
本发明解决问题所采用的技术方案是：一种椎体牵拉床， 包括床体和电动推杆， 床体由床板、 床架以 及床脚组成， 所述电动推杆安装在床板下侧， 其特征是， 所述电动推杆为伸缩式电动推杆， 所述电动推 杆安装在床板下侧位于床尾位置， 在电动推杆的伸缩杆前端设置有推力横杆， 电动推杆驱动推力横杆向 外侧移动。
本发明的优选方案是， 还设置有将推力横杆固定在伸缩杆前端的连接端头，所述连接端头上侧设置有 固定所述推力横杆的穿插孔， 所述连接端头下侧设置有将连接端头固定在伸缩杆上的固定孔。
本发明的优选方案是， 所述连接端头为金属板折弯的 u形结构。
本发明的优选方案是， 还设置有牵拉装置， 所述牵拉装置主要包括拉绳、 拉紧扣、 收紧带， 拉绳一 端与拉紧扣连接而另一端与床头连接固定， 收紧带的连结端与床头连接固定而收紧带的手拉端从拉紧扣 的穿绳孔中穿过， 收紧带在床板上构成一个可伸缩的圈套， 用手牵拉收紧带可以调节圈套的松紧从而实 现对人体的预拉紧。 本发明的优选方案是， 还设置有牵拉装置， 所述牵拉装置主要包括拉绳、 拉紧扣、 收紧带， 拉绳一 端与拉紧扣连接而另一端与床头连接固定， 收紧带的连结端绕经床头之后在床板下侧与设置在伸缩杆前 端的连接端头连接固定、而收紧带的手拉端从拉紧扣的穿绳孔中穿过， 收紧带在床板上构成一个可伸缩的 圈套， 用手牵拉收紧带可以调节圈套的松紧从而实现对人体的预拉紧。 本发明的有益效果是： 本发明提出的滑移床垫及采用该滑移床垫制成的牵拉床， 使用时人体仰卧平躺 在床板上， 人体自身腰椎以下重量所具有的重力作用在滑移床垫上， 人体与滑移床垫之间产生附着力， 在 外力作用下滑移床垫向外侧移动从而对人体椎体产生牵拉作用， 牵拉效果明显、 舒适性好、 操作方便， 可 以在家庭或办公场所中推广应用。
附图说明 图 1-图 9为本发明第一个实施例的结构示意图； 其中图 1为整体结构示意图， 其中图 2为去除床板后 的结构示意图， 图 3为使用时的结构示意图， 图 4至图 9为局部结构放大示意图。 图 10、 图 11为本发明第二个实施例的结构示意图， 其中， 图 10为总体结构图， 图 11局部结构示意 图。 图 12、 图 13为本发明第三个实施例的局部结构示意图， 其中， 图 12为结构放大示意图。 图中：
1. 1第一床脚、 1. 2第二床脚、 1. 3第三床脚；
2.床架， 2. 1、 2. 2、 2. 3横架;
3.床板；
4. 1推力横杆， 4. 2连接端头， 4. 21穿插孔， 4. 22固定孔， 4. 3固定件；
5牵拉装置， 5. 1拉绳， 5. 1A拉紧扣， 5. 2收紧带， 5. 21连结端， 5. 22手拉端；
6伸缩式电动推杆， 6A伸缩杆， 6B外壳杆体， 6. 1A前支座， 6. 1A1安装孔， 6. 1B后支座， 6. 2B后安 装销轴， 6. 2安装板；
7 U形导绳件；
8人体， 8. 1头部， 8. 2脖子， 8. 3小腿， 8. 3A膝关节；
9地板。 具体实施方式
图 1-图 9为本发明第一个实施例的结构示意图； 其中图 1为整体结构示意图， 其中图 2为去除床板后 的结构示意图， 图 3为使用时的结构示意图， 图 4至图 9为局部结构放大示意图。 图 1、 图 2中显示， 本发明提出的椎体牵拉床包括床体和电动推杆， 床体由床板 3、 床架 2以及床脚 1. 1、 1. 2、 1. 3组成， 电动推杆 6安装在床板 3下侧， 所述电动推杆 6为伸缩式电动推杆， 电动推杆 6安装在 床板 3下侧位于床尾位置， 在电动推杆 6的伸缩杆 6A前端设置有推力横杆 4.1， 电动推杆 6驱动推力横杆 4.1向外侧移动。
图 4至图 9显示， 本例中， 还设置有安装板 6.2， 安装板 6.2安装在床架 2位于床尾的横杆 2.1、 2.2上， 在安装板 6.2下侧还设置有用于安装电动推杆 6的前支座 6.1A、 后支座 6.1B。 图 5至图 9显示， 本例中， 推力横杆 4.1是通过连接端头 4. 2安装在伸缩杆 6A前端，连接端头 4. 2在下侧通过固定件 4. 3固定在伸缩 杆 6A前端， 固定件 4.3可以采用销轴或紧固定件； 推力横杆 4.1固定在连接端头 4. 2上侧位置； 图 7显示， 本例中，连接端头 4. 2为金属板折弯的 U形结构， 连接端头 4. 2上侧具有固定推力横杆 4. 1的穿插孔 4. 21， 下侧设置有将连接端头固定在伸缩杆 6A上的固定孔 4. 22， 图 8显示， 前支座 6.1A具有安装孔 6. 1A1， 电动 推杆 6的外壳杆体 6B前端插入安装孔 6. 1A1中， 电动推杆 6通过前支座 6. 1A后支座 6. 1B安装固定。 伸缩 杆 6A收回时推力横杆 4. 1靠近床架 2的横杆 2. 1， 伸缩杆 6A打开时将推力横杆 4. 1推向外侧。
图 3为使用时的结构示意图， 图中显示， 使用时， 先将推力横杆 4. 1收回， 人体 8仰卧在床板 3上， 小 腿 8.3悬吊在床尾端部， 使膝关节 8.3A内侧与推力支架 4的推力横杆 4.1接触， 操作电动推杆 6运行， 电动 推杆 6驱动推力横杆 4.1移动并将推力作用在膝关节 8.3A内侧从而对腰椎产生牵拉作用。 使用本发明提出 的牵拉床在治疗腰椎时无需将身体绑紧， 它利用人体膝关节 8.3A内侧的勾拉作用， 通过对膝关节内侧施加 推力从而产生牵拉作用。 它可以有效解决现今牵拉床使用时需将身体绑紧、 往往给使用者带来不舒服、 使 用不方便、 牵拉效果差等问题， 本发明提出的牵拉床结构简单， 使用方便， 可以在家庭或办公场所中推广 应用。
本例中， 床架采用折叠式结构， 本发明提示， 在其它实施例中， 床架也可以采用非折叠式结构。 图 10、 图 11为本发明第二个实施例的结构示意图， 其中图 10为总体结构示意图， 图 11为局部结构 示意图。 与第一个实施例不同的是， 图中显示， 本例中， 还设置有牵拉装置 5， 牵拉装置 5主要包括拉绳 5.1、 拉紧扣 5.1A、 收紧带 5.2、 拉绳 5.1—端与拉紧扣 5.1A连接而另一端与床架位于床头的横杆 2.3连接固 定， 收紧带 5.2的连结端 5. 21与横杆 2.3连接固定而手拉端 5. 22从拉紧扣 5.1A的穿绳孔中穿过， 收紧带 在床板上构成一个圈套。通过拉紧扣 5. 1A可以调节圈套的松紧并对人体进行预拉紧。拉紧扣为现今物流运 输领域中经常用于绑紧货物的工具， 也称为锌扣。 本例既可以单独对腰椎进行牵拉， 还可以同时对颈椎、 腰椎进行牵拉。 当需要同时对颈椎、 腰椎进行 牵拉时， 先将推力横杆 4. 1收回， 人体 8仰卧在床板 3上， 小腿 8.3悬吊在床尾端部， 使膝关节 8.3A内侧与 推力支架 4的推力横杆 4.1接触， 再将收紧带 5. 2套接在人体腋下位置并通过手拉端 5. 22进行预拉紧， 操作电动推杆 6运行， 电动推杆 6带动推力横杆 4.1移动并将推力作用在膝关节 8.3A内侧， 从而对颈椎、 腰椎进行牵拉。 图 12、 图 13为本发明第三个实施例的局部结构示意图， 其中图 12为结构放大示意图。 与第二个实施 例不同的是， 图中显示， 本例中， 收紧带 5.2的连结端 5. 21是绕经床头横杆 2.3之后在床板下侧与设置在 伸缩杆 6A前端的连接端头 4. 2连接固定。 图 12中显示， 本例中， 还设置有 U形导绳件 7， U形导绳件 7设 置在收紧带 5. 2绕经横杆 2. 3的位置处， 可以在横杆 2. 3上设置插孔， 将 U形导绳件 7插入插孔中焊接固 定。 U形导绳件 7起导引和悬挂收紧带 5. 2的作用。 本例中， 推力横杆 4. 1 向外侧移动时， 收紧带同时也 产生移动。 本例中， 床架 2由圆管构成， 本发明提示， 在其它实施例中， 床架也可以采用非圆管型材， 当采用非 圆管型材时， 则需在绳索绕经床头端部的位置设置滑轮组件以便绳索能够顺利滑行。

Claims

权 利 要 求 书
1. 一种椎体牵拉床， 包括床体和电动推杆， 床体由床板、 床架以及床脚组成， 所述电动推杆安装在床板 下侧， 其特征是， 所述电动推杆为伸缩式电动推杆， 所述电动推杆安装在床板下侧位于床尾位置， 在 电动推杆的伸缩杆前端设置有推力横杆， 电动推杆驱动推力横杆向外侧移动。
2. 根据权利要求 1所述的椎体牵拉床， 其特征是， 还设置有将推力横杆设置在伸缩杆前端的连接端头， 所述连接端头上侧设置有固定所述推力横杆的穿插孔， 所述连接端头下侧设置有将连接端头固定在伸 缩杆上的固定孔。
3. 根据权利要求 2所述的椎体牵拉床， 其特征是， 所述连接端头为金属板折弯的 U形结构。
4. 根据权利要求 2或 3所述的椎体牵拉床， 其特征是， 还设置有牵拉装置， 所述牵拉装置主要包括拉绳、 拉紧扣、 收紧带， 拉绳一端与拉紧扣连接而另一端与床头连接固定， 收紧带的连结端与床头连接固定 而收紧带的手拉端从拉紧扣的穿绳孔中穿过， 收紧带在床板上构成一个可伸缩的圈套， 用手牵拉收紧 带可以调节圈套的松紧从而实现对人体的预拉紧。
5. 根据权利要求 2或 3所述的椎体牵拉床， 其特征是， 还设置有牵拉装置， 所述牵拉装置主要包括拉绳、 拉紧扣、 收紧带， 拉绳一端与拉紧扣连接而另一端与床头连接固定， 收紧带的连结端绕经床头之后在 床板下侧与设置在伸缩杆前端的连接端头连接固定、 而收紧带的手拉端从拉紧扣的穿绳孔中穿过， 收 紧带在床板上构成一个可伸缩的圈套，用手牵拉收紧带可以调节圈套的松紧从而实现对人体的预拉紧。
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