WO2017036124A1 - 一种电子计算机x线断层螺旋扫描仪 - Google Patents

一种电子计算机x线断层螺旋扫描仪 Download PDF

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WO2017036124A1
WO2017036124A1 PCT/CN2016/077532 CN2016077532W WO2017036124A1 WO 2017036124 A1 WO2017036124 A1 WO 2017036124A1 CN 2016077532 W CN2016077532 W CN 2016077532W WO 2017036124 A1 WO2017036124 A1 WO 2017036124A1
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scanning
disposed
bed
scanning bed
scanner
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PCT/CN2016/077532
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English (en)
French (fr)
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刘洋
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刘洋
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Priority to LU93130A priority Critical patent/LU93130B1/en
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/02—Devices for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03—Computerised tomographs
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/04—Positioning of patients; Tiltable beds or the like
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/10—Application or adaptation of safety means

Definitions

  • the invention relates to an electronic computed tomography spiral scanner.
  • Electronic computed tomography spiral scanners also known as CT scanners
  • CT scanners have been continuously improved since the advent of the 1970s. From the first generation to the fifth generation, scanning time has been shortened and image quality has been improved.
  • the problem of rotating the high voltage generator together with the X-ray tube was solved.
  • the X-ray tube can be moved in a spiral. Coupled with slip ring technology, CT technology has been pushed to a new level.
  • Spiral CT scanning is not only fast, but also acquires three-dimensional information, which increases the content and flexibility of information processing. It can obtain true 3D reconstructed images. It is possible to make stereoscopic imaging of blood vessels.
  • multi-slice spiral CT which is another step in the development of CT.
  • multi-slice spiral CT has great improvement. Not only greatly improves the scanning speed, but also can continuously collect data for a long range of the body, and can obtain a large amount of information, and after computer post-processing, an image as thin as 0.75 mm can be obtained.
  • the scanning radiation ions are diverged outwards at 360 degrees, and the scanned image is scanned by the cross-section movement, so most of it is unnecessary, so that the patient will irradiate excess radiation and cause damage to the body. Unnecessary damage.
  • the traditional scanning bed must replace the new disposable bed cover for hygiene before each patient scans, but the replacement process is a waste of time, which will reduce the scanning efficiency, and the height is fixed due to the patient's condition. Scanning beds can cause a lot of inconvenience in scanning work.
  • the technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide an electronic calculation.
  • X-ray tomography spiral scanner which can adjust the height of the scanning bed, is suitable for patients in various situations, and shortens the scanning time and improves the scanning efficiency, which can effectively prevent the inspected person from receiving unnecessary unnecessary radiation radiation.
  • an electronic computed tomography spiral scanner comprising a scanner, a scanning bed and a computer, the scanner comprising a casing, a scanning cavity and a scanning device, the casing being arranged There is a display, the scanning cavity is circular, the scanning cavity is disposed in the middle of the scanner, the scanning device comprises a slip ring, an X-ray generator, a detector and a data collector, and the sliding ring and the scanning cavity are Concentric circles, the slip ring is disposed inside the outer casing, the X-ray generator and the detector are disposed on the slip ring, the X-ray generator is opposite to the detector, and the data collector is disposed outside the slip ring
  • the data collector is respectively connected to a computer and a display, the scanning bed is disposed on one side of the scanning cavity, and a scanning bed plate is disposed above the scanning bed, and the scanning bed is provided with a plurality of protective bedspreads, A receiving cavity is disposed on both sides
  • control panel is disposed on the scanner for controlling the operation of the scanning device.
  • control panel is provided with a power switch, a scan key group, a bed moving key, a radiation shield start button and a scan bed lifting button
  • the scan key group is disposed in the middle of the control panel
  • the power switch is set in the scan
  • the bed moving key is disposed on the left side of the scan key group
  • the radiation protection cover start key is disposed on the right side of the scan key group
  • the scan bed elevating key is set under the scan key group
  • the power switch is used to turn on the power of the entire device
  • the scan key group is used to select the scanning location and type
  • the bed moving key is to control the movement of the scanning bed plate, which is convenient for scanning
  • the radiation protection cover activation button can open the radiation protection.
  • the shield can effectively prevent the inspected person from receiving unnecessary radiation of unnecessary radiation particles, and can change the radiation protection according to the actual situation.
  • the open position of the shield, the scan bed lift button is used to adjust the height of the scan bed.
  • the radiation protection cover comprises a plurality of curved cover plates, and the curved cover plate is folded and disposed in the receiving cavity to facilitate the placement of the radiation protection cover.
  • the hydraulic lifting device includes a fuel tank, a hydraulic oil gear pump, a check valve, a solenoid valve, and a hydraulic cylinder, and the oil tank is connected to the hydraulic cylinder through a hydraulic oil gear pump, and the check valve is disposed in the oil tank and the hydraulic gear pump Between the solenoid valves is disposed on the hydraulic gear pump, and the height of the scanning bed is adjusted by a hydraulic lifting device.
  • a sliding slot is disposed on both sides of the upper surface of the scanning bed, and a slider is disposed at a lower end of the scanning bed board, and the slider is slidably connected to the sliding slot, and the scanning bed board can slide through the sliding slot and the slider to facilitate the patient Enter the scanning cavity.
  • the end of the scanning bed board is provided with a headrest, and shoulder grooves are arranged on both sides of the headrest to prevent the shoulder of the patient from being improperly affected by the scanning effect.
  • the computer is connected to a printer for printing a scanned image of the patient.
  • the present invention has the following beneficial effects: the electronic computed tomography spiral scanner of the present invention, since the multi-layer bed cover is provided, only the previous one is needed before each patient performs the CT scan.
  • the layer cover can be removed, the time for replacing the new bed cover can be omitted, and the scanning efficiency can be improved.
  • the hydraulic lifting device is provided, the height of the scanning bed can be adjusted according to the patient's condition, and the use is more convenient, since the arrangement is provided by a plurality of foldable places.
  • the anti-radiation shield formed by the curved plate can effectively prevent the inspected person from receiving unnecessary radiation of unnecessary radiation particles, thereby improving the safety of scanning.
  • FIG. 1 is a schematic structural view of an electronic computed tomography spiral scanner of the present invention
  • FIG. 2 is a schematic view of a scanning bed of an electronic computed tomography spiral scanner of the present invention.
  • an electronic computed tomography helical scanner includes a scanner 1, a scanning bed 2, and a computer, the scanner 1 including a housing 3, a scanning chamber 4, and a scanning device, the housing 3 is provided with a display 5, the scanning chamber 4 is circular, the scanning chamber 4 is arranged in the middle of the scanner 1, the scanning device comprises a slip ring 6, an X-ray generator 7, a detector 8 and data acquisition
  • the scanning device comprises a slip ring 6, an X-ray generator 7, a detector 8 and data acquisition
  • the slide ring 6 is concentric with the scanning chamber 4, the slip ring 6 is disposed inside the outer casing 3, and the X-ray generator 7 and the detector 8 are disposed on the slip ring 6, and the X-ray occurs
  • the detector 7 is positioned opposite the detector 8, the data collector 9 is disposed outside the slip ring 6, and the data collector 9 is connected to a computer and a display 5, respectively, and the scanning bed 2 is disposed at one side of the scanning chamber 4.
  • a scanning bed board 10 is disposed above the scanning bed 2, and the scanning bed board 10 is provided with a plurality of protective bed covers.
  • the scanning bed 2 is provided with a receiving cavity 11 on both sides thereof, and the receiving cavity 11 is provided with an anti-proof
  • the radiation shield 12 is provided with a hydraulic lifting device 13 at the lower end of the scanning bed 2.
  • the scanner 1 is provided with a control panel 14 for controlling the operation of the scanning device.
  • the control panel 14 is provided with a power switch, a scan key group, a bed movement key, a radiation protection cover activation key and a scan bed elevation key, the scan key group is disposed in the middle of the control panel, and the power switch is set on the scan key On the upper side of the group, the bed moving key is disposed on the left side of the scan key group, the radiation shield start key is disposed on the right side of the scan key group, and the scan bed lift key is disposed on the lower side of the scan key group
  • the power switch is used to turn on the power of the entire device, the scan key group is used to select the scanning location and type, and the bed moving key is to control the movement of the scanning bed 10, which is convenient for scanning.
  • the radiation protection cover activation button can open the radiation protection cover 12, which can effectively prevent the inspected person from receiving unnecessary unnecessary radiation particle radiation, and can change the opening position of the radiation protection cover 12 according to the actual situation, and the scanning bed is raised and lowered.
  • the key is used to adjust the height of the scanning bed 2.
  • the radiation protection cover 12 includes a plurality of curved cover plates 15 that are folded and disposed in the receiving cavity 11 to facilitate the placement of the radiation protection cover 12.
  • the hydraulic lifting device 13 includes a fuel tank, a hydraulic oil gear pump, a check valve, a solenoid valve and a hydraulic cylinder, and the oil tank is connected to a hydraulic cylinder through a hydraulic oil gear pump, and the check valve is disposed in a fuel tank and a hydraulic gear pump.
  • the solenoid valve is disposed on the hydraulic gear pump, and the height of the scanning bed 2 is adjusted by the hydraulic lifting device 13.
  • the sliding bed 16 is disposed on both sides of the upper surface of the scanning bed 2, and the lower end of the scanning bed board 10 is provided with a slider 17, the slider 17 is slidably connected with the sliding slot 16, and the scanning bed board 10 can pass through the sliding slot 16 and The slider 17 slides to facilitate entry of the patient into the scanning chamber 4.
  • the end of the scanning bed board 2 is provided with a headrest, and shoulder grooves are arranged on both sides of the headrest to prevent the placement of the patient's shoulder from affecting the scanning effect incorrectly.
  • the computer is connected to a printer for printing a scanned image of the patient.
  • Each of the curved cover plates is provided with a rotating shaft, and the curved cover plate can be folded through the rotating shaft to be placed in the receiving cavity.
  • the principle of the hydraulic lifting device 13 is to start the hydraulic oil gear pump to continuously pressurize the hydraulic oil of the tank to the hydraulic cylinder, and the plunger in the hydraulic cylinder raises the scanning bed 2, and after stopping the pumping, the check valve prevents the oil from returning.
  • the plunger When the plunger is stationary on the way of rising, when it is lowered, it is only necessary to turn on the solenoid valve to open the liquid returning path, the oil returns to the oil tank, the hydraulic cylinder is decompressed, the plunger is lowered, and the height of the scanning bed 2 is lowered.
  • the disposable bed cover on the scanning bed 10 is first removed directly to avoid the phenomenon of infection, and the doctor can press the button on the control panel 14 according to the patient's condition.
  • the height of the scanning bed 2 is adjusted by the hydraulic lifting device 13 at the lower end of the scanning bed 2, the patient lies on the scanning bed board 10, the doctor sends the patient into the scanning chamber 4 through the bed moving key, and any curved cover can be opened. 15, obstructing the body part of the patient who does not need to scan, CT scan, the whole process is simple and convenient.
  • the doctor can observe the scanned image according to the display 5, and the data collector 9 transmits the scanned image to the computer, and the computer processes and stores it, and prints it through the printer.
  • the electronic computed tomography spiral scanner of the present invention has a multi-layer bed cover, and only needs to remove the previous layer of the cover before each patient performs the CT scan.
  • the time for replacing the new bed cover is saved, and the scanning efficiency is improved.
  • the hydraulic lifting device is provided, the height of the scanning bed can be adjusted according to the condition of the patient, which is more convenient to use, and is provided by a plurality of foldable curved cover plates.
  • the radiation protection cover can effectively prevent the inspected person from receiving unnecessary radiation of unnecessary radiation particles and improve the safety of scanning.

Abstract

一种电子计算机X线断层螺旋扫描仪，包括扫描器（1）、扫描床（2）和计算机。扫描器（1）包括外壳（3）、扫描腔（4）和扫描设备。扫描设备包括滑环（6）、X射线发生器（7）、探测器（8）和数据采集器（9）。其中，X射线发生器（7）和探测器（8）设置在滑环（6）上。扫描床（2）的上方设置有扫描床板（10），扫描床板（10）上设置有多层保护床罩。扫描床（2）的两侧设置有收容腔（11），收容腔（11）内设置有防辐射护罩（12）。扫描床（2）的下端设置有液压升降装置（13）。这种电子计算机X线断层螺旋扫描仪设置有多层一次性的床罩，减少了更换床罩的时间，提高了工作效率，而且防辐射护罩（12）可以有效的阻止被检查人员接受多余的不必要放射粒子辐射，液压升降装置（13）可以降低扫描床（2）的高度，减少行动不便的患者的扫描难度。

Description

一种电子计算机X线断层螺旋扫描仪 技术领域
本发明涉及一种电子计算机X线断层螺旋扫描仪。
背景技术
电子计算机X线断层螺旋扫描仪又称为CT扫描仪，CT自上世纪70年代问世以来，不断的获得改进，从第一代到第五代，不断缩短扫描时间和提高图像质量。1989年由于解决了高压发生器与X线球管一起旋转的难题。X线管可以螺旋式的运动了。再加上滑环技术，把CT技术推上了一个新的水平，螺旋CT扫描不仅速度快，而且获得了三维信息，增加了信息处理的内容和灵活性，它可以得到真正的三维重建图像，使血管立体成像称为可能。1998年在单螺旋、双螺旋的基础上，医学工程技术人员又推出了多层螺旋CT，是CT的发展又上了一层楼。多层螺旋CT与单层螺旋CT机比较，有很大的改进。不仅大大提高了扫描速度，而且可以对身体的较长范围进行不间断的数据采集，可获得大量的信息，另外经过计算机的后处理，可获得薄至0.75mm一层的图像。
但是在使用过程中，扫描辐射离子是360度向外发散的，而扫描图像是按断面移动扫描成像的，所以绝大部分是没有必要的，这样患者就会照射到多余的辐射，对身体造成不必要的损害。而且传统的扫描床在每个患者进行扫描之前为了卫生都必须要更换新的一次性床罩，但是更换的过程十分的浪费时间，就会降低扫描的效率，另外由于患者的情况不同，高度固定的扫描床会对扫描工作带来诸多的不便。
发明内容
本发明所要解决的技术问题是克服现有技术的缺陷，提供一种电子计算 机X线断层螺旋扫描仪，它可以调节扫描床的高度，适用于各种不同情况的患者，而且缩短扫描时间，提高扫描效率，可以有效的阻止被检查人员接受多余的不必要放射粒子辐射。
本发明解决上述技术问题采取的技术方案是：一种电子计算机X线断层螺旋扫描仪，包括扫描器、扫描床和计算机，所述扫描器包括外壳、扫描腔和扫描设备，所述外壳上设置有显示器，所述扫描腔为圆形，所述扫描腔设置在扫描器的中间，所述扫描设备包括滑环、X射线发生器、探测器和数据采集器，所述滑环与扫描腔为同心圆，所述滑环设置在外壳内部，所述X射线发生器和探测器设置在滑环上，所述X射线发生器与探测器位置相对，所述数据采集器设置在滑环的外侧，所述数据采集器分别与计算机和显示器相连，所述扫描床设置在扫描腔的一侧，所述扫描床的上方设置有扫描床板，所述扫描床板上设置有多层保护床罩，所述扫描床的两侧设置有收容腔，所述收容腔内设置有防辐射护罩，所述扫描床的下端设置有液压升降装置。
进一步，所述扫描器上设置有控制面板，用于控制扫描设备的运行。
进一步，所述控制面板设置有电源开关、扫描键组、床板移动键、防辐射护罩启动键和扫描床升降键，所述扫描键组设置在控制面板的中间，所述电源开关设置在扫描键组的上侧，所述床板移动键设置在扫描键组的左侧，所述防辐射护罩启动键设置在扫描键组的右侧，所述扫描床升降键设置在扫描键组的下侧，电源开关用于接通整个设备的电源，扫描键组用于选择扫描的部位及种类，床板移动键是控制扫描床板的移动，便于扫描的进行，防辐射护罩启动键可以打开防辐射护罩，可以有效的阻止被检查人员接受多余的不必要放射粒子辐射，并且可以根据实际情况改变防辐射 护罩的打开位置，扫描床升降键用于调节扫描床的高度。
进一步，所述防辐射护罩包括多个弧形盖板，所述弧形盖板折叠设置在收容腔内，便于防辐射护罩的放置。
进一步，所述液压升降装置包括油箱、液压油齿轮泵、单向阀、电磁阀和液压缸，所述油箱通过液压油齿轮泵与液压缸相连，所述单向阀设置在油箱和液压齿轮泵之间，所述电磁阀设置在液压齿轮泵上，利用液压升降装置来调节扫描床的高度。
进一步，所述扫描床的上表面两侧设置有滑槽，所述扫描床板的下端设置有滑块，所述滑块与滑槽滑动连接，扫描床板可以通过滑槽和滑块滑动，便于患者进入扫描腔内。
进一步，所述扫描床板的端部设置有头枕，所述头枕的两侧设置有肩槽，防止患者肩膀的放置不正确影响扫描效果。
进一步，所述计算机连接有打印机，用于打印患者的扫描影像。
采用了上述技术方案后，本发明具有以下的有益效果：本发明所述的电子计算机X线断层螺旋扫描仪，由于设置有多层床罩，在每个患者进行CT扫描之前只需要把之前的一层床罩拿掉即可，省去更换新床罩的时间，提高扫描效率，由于设置有液压升降装置，可以根据患者的情况调节扫描床的高度，使用更加方便，由于设置有由多个可折叠放置的弧形板组成的防辐射护罩，可以有效的阻止被检查人员接受多余的不必要放射粒子辐射，提高扫描的安全性。
附图说明
图1为本发明的一种电子计算机X线断层螺旋扫描仪的结构示意图；
图2为本发明的一种电子计算机X线断层螺旋扫描仪的扫描床的示意 图。
具体实施方式
为了使本发明的内容更容易被清楚地理解，下面根据具体实施例并结合附图，对本发明作进一步详细的说明。
如图1和图2所示，一种电子计算机X线断层螺旋扫描仪，包括扫描器1、扫描床2和计算机，所述扫描器1包括外壳3、扫描腔4和扫描设备，所述外壳3上设置有显示器5，所述扫描腔4为圆形，所述扫描腔4设置在扫描器1的中间，所述扫描设备包括滑环6、X射线发生器7、探测器8和数据采集器9，所述滑环6与扫描腔4为同心圆，所述滑环6设置在外壳3内部，所述X射线发生器7和探测器8设置在滑环6上，所述X射线发生器7与探测器8位置相对，所述数据采集器9设置在滑环6的外侧，所述数据采集器9分别与计算机和显示器5相连，所述扫描床2设置在扫描腔4的一侧，所述扫描床2的上方设置有扫描床板10，所述扫描床板10上设置有多层保护床罩，所述扫描床2的两侧设置有收容腔11，所述收容腔11内设置有防辐射护罩12，所述扫描床2的下端设置有液压升降装置13。
所述扫描器1上设置有控制面板14，用于控制扫描设备的运行。
所述控制面板14设置有电源开关、扫描键组、床板移动键、防辐射护罩启动键和扫描床升降键，所述扫描键组设置在控制面板的中间，所述电源开关设置在扫描键组的上侧，所述床板移动键设置在扫描键组的左侧，所述防辐射护罩启动键设置在扫描键组的右侧，所述扫描床升降键设置在扫描键组的下侧，电源开关用于接通整个设备的电源，扫描键组用于选择扫描的部位及种类，床板移动键是控制扫描床10板的移动，便于扫描的进 行，防辐射护罩启动键可以打开防辐射护罩12，可以有效的阻止被检查人员接受多余的不必要放射粒子辐射，并且可以根据实际情况改变防辐射护罩12的打开位置，扫描床升降键用于调节扫描床2的高度。
所述防辐射护罩12包括多个弧形盖板15，所述弧形盖板16折叠设置在收容腔11内，便于防辐射护罩12的放置。
所述液压升降装置13包括油箱、液压油齿轮泵、单向阀、电磁阀和液压缸，所述油箱通过液压油齿轮泵与液压缸相连，所述单向阀设置在油箱和液压齿轮泵之间，所述电磁阀设置在液压齿轮泵上，利用液压升降装置13来调节扫描床2的高度。
所述扫描床2的上表面两侧设置有滑槽16，所述扫描床板10的下端设置有滑块17，所述滑块17与滑槽16滑动连接，扫描床板10可以通过滑槽16和滑块17滑动，便于患者进入扫描腔4内。
所述扫描床板2的端部设置有头枕，所述头枕的两侧设置有肩槽，防止患者肩膀的放置不正确影响扫描效果。
所述计算机连接有打印机，用于打印患者的扫描影像。
每个弧形盖板上设置有转轴，弧形盖板可以通过转轴折叠，从而放置在收容腔内。
液压升降装置13的原理是，启动液压油齿轮泵将油箱液压油往液压缸不断增压，液压缸中的柱塞就会将扫描床2升起，停止泵液之后，单向阀阻止回油，柱塞静止在上升途中，下降时，只需接通电磁阀打开回液路，油液返回油箱，液压缸减压，柱塞下降，扫描床2的高度降低。
患者进行CT扫描时，首先将扫描床板10上的一次性床罩直接拿掉，避免产生传染的现象，医生通过控制面板14上按键，可以根据患者的情况 利用扫描床2下端的液压升降装置13对扫描床2的高度进行调节，患者躺在扫描床板10上，医生通过床板移动键将患者送入扫描腔4内，并且可以打开任意的弧形盖板15，遮挡住患者不需要进行扫描的身体部位，进行CT扫描，整个过程简单方便。扫描过程中医生可以根据显示器5观察扫描影像的情况，数据采集器9将扫描的影像传给计算机，计算机进行处理存储，并且通过打印机进行打印出来。
本发明具有以下的有益效果：本发明所述的电子计算机X线断层螺旋扫描仪，由于设置有多层床罩，在每个患者进行CT扫描之前只需要把之前的一层床罩拿掉即可，省去更换新床罩的时间，提高扫描效率，由于设置有液压升降装置，可以根据患者的情况调节扫描床的高度，使用更加方便，由于设置有由多个可折叠放置的弧形盖板组成的防辐射护罩，可以有效的阻止被检查人员接受多余的不必要放射粒子辐射，提高扫描的安全性。
以上所述的具体实施例，对本发明解决的技术问题、技术方案和有益效果进行了进一步详细说明，所应理解的是，以上所述仅为本发明的具体实施例而已，并不用于限制本发明，凡在本发明的精神和原则之内，所做的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。

Claims (8)

  1. 一种电子计算机X线断层螺旋扫描仪，其特征在于：包括扫描器、扫描床和计算机，所述扫描器包括外壳、扫描腔和扫描设备，所述外壳上设置有显示器，所述扫描腔为圆形，所述扫描腔设置在扫描器的中间，所述扫描设备包括滑环、X射线发生器、探测器和数据采集器，所述滑环与扫描腔为同心圆，所述滑环设置在外壳内部，所述X射线发生器和探测器设置在滑环上，所述X射线发生器与探测器位置相对，所述数据采集器设置在滑环的外侧，所述数据采集器分别与计算机和显示器相连，所述扫描床设置在扫描腔的一侧，所述扫描床的上方设置有扫描床板，所述扫描床板上设置有多层保护床罩，所述扫描床的两侧设置有收容腔，所述收容腔内设置有防辐射护罩，所述扫描床的下端设置有液压升降装置。
  2. 根据权利要求1所述的一种电子计算机X线断层螺旋扫描仪，其特征在于：所述扫描器上设置有控制面板。
  3. 根据权利要求2所述的一种电子计算机X线断层螺旋扫描仪，其特征在于：所述控制面板设置有电源开关、扫描键组、床板移动键、防辐射护罩启动键和扫描床升降键，所述扫描键组设置在控制面板的中间，所述电源开关设置在扫描键组的上侧，所述床板移动键设置在扫描键组的左侧，所述防辐射护罩启动键设置在扫描键组的右侧，所述扫描床升降键设置在扫描键组的下侧。
  4. 根据权利要求1所述的一种电子计算机X线断层螺旋扫描仪，其特征在于：所述防辐射护罩包括多个弧形盖板，所述弧形盖板折叠设置在收容腔内。
  5. 根据权利要求1所述的一种电子计算机X线断层螺旋扫描仪，其特征在于：所述液压升降装置包括油箱、液压油齿轮泵、单向阀、电磁阀 和液压缸，所述油箱通过液压油齿轮泵与液压缸相连，所述单向阀设置在油箱和液压齿轮泵之间，所述电磁阀设置在液压齿轮泵上。
  6. 根据权利要求1所述的一种电子计算机X线断层螺旋扫描仪，其特征在于：所述扫描床的上表面两侧设置有滑槽，所述扫描床板的下端设置有滑块，所述滑块与滑槽滑动连接。
  7. 根据权利要求1所述的一种电子计算机X线断层螺旋扫描仪，其特征在于：所述扫描床板的端部设置有头枕，所述头枕的两侧设置有肩槽。
  8. 根据权利要求1所述的一种电子计算机X线断层螺旋扫描仪，其特征在于：所述计算机连接有打印机。
PCT/CN2016/077532 2015-09-05 2016-03-28 一种电子计算机x线断层螺旋扫描仪 WO2017036124A1 (zh)

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