Scanning device and correction method thereof, and medical detection equipment

Abstract

The present application provides a scanning device and a calibration method thereof, as well as a medical detection device. The scanning device includes a support assembly, a multi-dimensional adjustment assembly, a first detection assembly, and a second detection assembly. The multi-dimensional adjustment assembly includes a first arm, a second arm, a support arm frame, and an arc-shaped support arm. The first arm is pivotally connected to the support assembly via a first rotating shaft, the first arm is pivotally connected to the second arm via a second rotating shaft, the support arm frame is pivotally connected to the second arm via a third rotating shaft, and the arc-shaped support arm is slidably connected to the support arm frame. The arc-shaped support arm is provided with a correction portion, the first arm is provided with a calibration frame, and the calibration center line of the calibration frame coincides with the axis of the first rotating shaft. When the support arm frame is in a zero position, the first arm and the arc-shaped support arm rotate relative to the support assembly until the calibration center line coincides with the center line of the correction portion, and the second rotating shaft and the fourth rotation axis are reset to zero. The first arm and the arc-shaped support arm are alternately rotated and adjusted, and the operation requirements are low.

Description

Technical Field

[0001] The present application relates to the technical field of medical image processing, and in particular to a scanning device and a correction method thereof, and medical detection equipment. Background Art

[0002] Vascular imaging equipment uses a tube and detector mounted on a mainframe to obtain accurate and clear three-dimensional images of lesions. The mainframe requires flexible adjustment of the tube and detector's geometry, enabling 3D scanning in both head-up and side-on positions. The mainframe comprises a multi-dimensional rotating assembly comprised of multiple relatively rotating arms. The tube and detector are mounted on this assembly, allowing for adjustments in detection posture and angle.

[0003] To adjust the zero-position accuracy of the multi-dimensional rotation assembly, one adjustment step involves removing the collimator from the tube, placing a high-precision level on the tube's upper mounting surface, and rotating the tube to keep the level horizontal, thus zeroing the tube's mounting position. In another adjustment step, a laser leveler with vertical leveling functionality is placed on the bed. The C-shaped cantilever in the multi-dimensional rotation assembly, which houses the tube and detector, is rotated 90 degrees to level the C-shaped cantilever. The laser leveler's position on the bed is then adjusted to form the laser beam plane. The multi-dimensional rotation assembly's rotating shafts are then rotated so that the Capture midpoint falls within the laser beam plane, effectively zeroing one of the rotating shafts.

[0004] Therefore, the traditional method for zeroing vascular machines is to adjust each joint of the multi-dimensional rotating assembly individually. Each adjustment requires specialized tools and methods to precisely adjust the zero position of the multi-dimensional rotating assembly. This complex adjustment process requires high operator accuracy and skill, resulting in extremely low adjustment efficiency. Summary of the Invention

[0005] The present application provides a scanning device and a correction method thereof, and a medical detection device, which have the characteristics of convenient zero-position precision adjustment, simple adjustment steps, low skill requirements, and high adjustment efficiency.

[0006] Specifically, this application is implemented through the following technical solutions:

[0007] On the one hand, a scanning device is provided, comprising a support assembly, a multi-dimensional adjustment assembly rotatably connected to the support assembly, a first detection assembly and a second detection assembly mounted on the multi-dimensional adjustment assembly, the multi-dimensional adjustment assembly comprising a first support arm, a second support arm, a support arm frame, and an arc-shaped support arm slidably mounted on the support arm frame, the first support arm and the support assembly being pivotally connected via a first rotating shaft, the first support arm and the second support arm being pivotally connected via a second rotating shaft, and the support arm frame and the second support arm being pivotally connected via a third rotating shaft; wherein the axis of the first rotating shaft is parallel to the axis of the second rotating shaft, and the axis of the second rotating shaft is perpendicular to the axis of the third rotating shaft;

[0008] The arc-shaped support arm is slidably connected to the support arm and rotates around the fourth rotation axis. The first detection assembly and the second detection assembly are respectively installed at both ends of the arc-shaped support arm. The radial outer peripheral wall of the arc-shaped support arm is provided with a correction portion. The first support arm is equipped with a calibration frame, and the calibration center line of the calibration frame coincides with the axis of the first rotating shaft.

[0009] When the support arm is in the zero position, the first support arm and the arc support arm rotate relative to the bracket assembly until the calibration center line of the calibration frame coincides with the center line of the correction part, and the second rotation axis and the fourth rotation axis are zeroed.

[0010] Optionally, the arc-shaped support arm has an arc-shaped structure, and the correction part is processed integrally with the arc-shaped support arm, wherein the correction part includes a hole-shaped groove arranged on the arc-shaped support arm; or, the correction part includes a correction part fixedly connected to the arc-shaped support arm, and the correction part is provided with a correction center line.

[0011] Optionally, the calibration frame includes a flange mounting port configured on the first arm, and the flange mounting port is used to install a calibration device that outputs calibration light, and the calibration light coincides with the calibration center line.

[0012] Optionally, the support arm is configured with a first adjustment plane parallel to the third rotation axis; wherein the first adjustment plane is used to place a spirit level and the support arm is set to zero when the bubble of the spirit level is centered.

[0013] Optionally, the bracket assembly is provided with a first marking line, and the first arm is provided with a second marking line; when the first marking line and the second marking line are in the same straight line, the first rotating shaft is set to zero.

[0014] Optionally, the first detection component includes a telescopic component mounted on the arc-shaped support arm and an anti-collision rotating component rotatably mounted on the telescopic component, the anti-collision rotating component rotates around a fifth rotation axis relative to the telescopic component, the anti-collision rotating component is configured with a second adjustment plane and the second adjustment plane is parallel to the fifth rotation axis, the anti-collision rotating component rotates relative to the telescopic component to adjust the fifth rotation axis of the anti-collision rotating component to zero; wherein, the second adjustment plane is used to place a spirit level and is set to zero when the bubble of the spirit level is centered.

[0015] Optionally, the telescopic assembly includes at least two layers of sleeves connected in a sleeve manner, and the telescopic assembly telescopes along the direction of the fifth rotation axis and is at a standard telescopic value, so that the telescopic assembly is set to zero.

[0016] Optionally, the second detection assembly includes a tube and a collimator rotatably connected to the tube, the tube and the telescopic assembly are respectively mounted at both ends of the arc-shaped arm and the collimator is arranged opposite to the anti-collision rotation assembly, and the collimator is rotated and centered relative to the tube around a sixth rotation axis according to the exposure image so that the sixth rotation axis is set to zero.

[0017] On the other hand, a calibration method for a scanning device is provided, wherein the scanning device includes a support assembly, a multi-dimensional adjustment assembly rotatably connected to the support assembly, a first detection assembly and a second detection assembly mounted on the multi-dimensional adjustment assembly, the multi-dimensional adjustment assembly including a first support arm, a second support arm, a support arm frame, and an arc-shaped support arm slidably mounted on the support arm frame, the first support arm and the support assembly are pivotally connected via a first rotating shaft, the first support arm and the second support arm are pivotally connected via a second rotating shaft, and the support arm frame and the second support arm are pivotally connected via a third rotating shaft; wherein the axis of the first rotating shaft is parallel to the axis of the second rotating shaft, and the axis of the second rotating shaft is perpendicular to the axis of the third rotating shaft;

[0018] The arc-shaped support arm is slidably connected to the support arm and rotates around the fourth rotation axis. The first detection assembly and the second detection assembly are respectively installed at both ends of the arc-shaped support arm. The radial outer peripheral wall of the arc-shaped support arm is provided with a correction portion. The first support arm is equipped with a calibration frame, and the calibration center line of the calibration frame coincides with the first rotation axis. The calibration method includes:

[0019] S101, setting the support arm to zero;

[0020] S102, installing a laser transmitter on a calibration frame, wherein a laser beam output by the laser transmitter coincides with an axis of the first rotating shaft;

[0021] S103, rotating the first support arm relative to the bracket assembly so that the correction portion is offset toward the direction of the laser beam;

[0022] S104, slidingly connecting the arc-shaped support arm to the support arm, so that the correction part rotates around the fourth rotation axis and deviates toward the direction of the laser beam;

[0023] S105, repeatedly executing S103 and S104 until the laser beam output by the laser emitter coincides with the center line of the correction part, and the second rotation axis and the fourth rotation axis are reset to zero.

[0024] Optionally, the arc-shaped support arm has an arc-shaped structure, and the correction part is processed integrally with the arc-shaped support arm, wherein the correction part includes a hole-shaped groove arranged on the arc-shaped support arm; or, the correction part includes a correction part fixedly connected to the arc-shaped support arm, and the correction part is provided with a correction center line.

[0025] Optionally, mounting the laser transmitter on the calibration frame comprises:

[0026] Mounting the laser transmitter on a flange mounting opening, wherein the flange mounting opening is configured as a groove structure for mounting the calibration frame on the first arm;

[0027] The laser emitter is started to output a laser beam in the direction of the arc-shaped support arm, wherein the calibration center line coincides with the laser beam.

[0028] Optionally, setting the support arm to zero includes:

[0029] placing a level on a first adjustment plane of the support arm configuration, wherein the first adjustment plane is parallel to the third rotation axis;

[0030] The support arm is rotated relative to the second support arm to adjust the bubble of the level to be centered.

[0031] Optionally, the correction method further includes:

[0032] The first support arm is rotated relative to the bracket assembly 10 so that a first marking line set on the bracket assembly and a second marking line set on the first support arm are in the same straight line, and the first rotation axis is set to zero.

[0033] Optionally, the first detection assembly includes a telescopic assembly mounted on the arc-shaped support arm and an anti-collision rotating assembly rotatably mounted on the telescopic assembly, and the anti-collision rotating assembly rotates relative to the telescopic assembly around a fifth rotation axis;

[0034] Rotating the arc-shaped support arm about the fourth rotation axis so that the second adjustment plane of the anti-collision rotation assembly is parallel to the horizontal plane, wherein the second adjustment plane is parallel to the fifth rotation axis;

[0035] placing the level on the second adjustment plane;

[0036] The anti-collision rotating assembly is rotated relative to the telescopic assembly to adjust the bubble of the level to be centered, and the fifth rotation axis of the anti-collision rotating assembly is set to zero.

[0037] Optionally, the telescopic assembly comprises at least two layers of sleeves connected in a sleeve manner;

[0038] Extending the telescopic assembly along the direction of the fifth rotation axis;

[0039] If the measured elongation value of the telescopic component is equal to the standard telescopic value, the telescopic component is reset to zero.

[0040] Optionally, the second detection assembly includes a tube and a collimator rotatably connected to the tube, the tube and the telescopic assembly are respectively mounted at two ends of the arc-shaped support arm, and the collimator is arranged opposite to the anti-collision rotation assembly;

[0041] rotating the collimator relative to the tube around a sixth rotation axis and outputting an exposure image;

[0042] displaying the exposure image via a display device;

[0043] The collimator is driven to rotate according to the relative position of the exposure image of the collimator and the display frame of the display device so that the exposure image is centered and symmetrical with respect to the display frame, and the sixth rotation axis is set to zero.

[0044] On the other hand, a medical detection device is provided, comprising a carrying body, a control body and the scanning device as described above, wherein the scanning device is communicatively connected to the control body.

[0045] The technical solutions provided by the embodiments of the present disclosure may have the following beneficial effects:

[0046] With the third axis at zero, the first arm and the curved arm are gradually fine-tuned to bring the calibration unit toward the calibration centerline of the calibration frame until the calibration centerline of the calibration frame coincides with the centerline of the calibration unit. This simultaneously zeroes the second axis and the fourth axis of rotation, resulting in high adjustment efficiency. The first arm and the curved arm are alternately rotated and adjusted to simultaneously zero the second axis and the fourth axis of rotation. This requires minimal skill, and line-to-line alignment ensures accurate adjustment, providing convenient observation. BRIEF DESCRIPTION OF THE DRAWINGS

[0047] Figure 1 2 is a schematic structural diagram of a scanning device according to an exemplary embodiment of the present disclosure.

[0048] Figure 2 It is a structural schematic diagram of a scanning device in which a level is placed on a first adjustment plane to perform zero adjustment of a support arm according to an exemplary embodiment of the present disclosure.

[0049] Figure 3 It is a structural schematic diagram showing that the calibration light coincides with the calibration center line when the second rotation axis and the fourth rotation axis are adjusted to zero according to an exemplary embodiment of the present disclosure.

[0050] Figure 4 It is a schematic cross-sectional structure diagram showing that the calibration light and the calibration center line coincide with each other according to an exemplary embodiment of the present disclosure.

[0051] Figure 5 3 is a structural schematic diagram showing that the first marking line and the second marking line are in the same straight line when the first rotating shaft is adjusted to zero according to an exemplary embodiment of the present disclosure.

[0052] Figure 6 It is a structural schematic diagram of the anti-collision rotating assembly when the fifth rotation axis is set to zero according to an exemplary embodiment of the present disclosure.

[0053] Figure 7 1 is a structural diagram of a telescopic assembly when it is reset to zero according to an exemplary embodiment of the present disclosure.

[0054] In the figure, the bracket assembly 10; the first marking line 11; the multi-dimensional adjustment assembly 20; the first arm 21; the first rotating shaft 211; the second rotating shaft 212; the flange mounting port 213; the second marking line 214; the second arm 22; the third rotating shaft 221; the support arm 23; the first adjustment plane 231; the arc-shaped arm 24; the correction part 241; the positioning groove 242; the photosensitive element 243; the first detection assembly 30; the anti-collision rotation assembly 31; the second adjustment plane 311; the telescopic assembly 32; the second detection assembly 40; the collimator 41; the bulb 42; the level 50; the calibration device 60; and the calibration light 61. DETAILED DESCRIPTION

[0055] The terms used in this invention are for the purpose of describing specific embodiments only and are not intended to limit the invention. The singular forms "a," "the," and "the" used in this invention and the appended claims are also intended to include plural forms unless the context clearly indicates otherwise. It should also be understood that the term "and / or" as used herein refers to and includes any or all possible combinations of one or more of the associated listed items.

[0056] like Figure 1As shown, the scanning device is applied to DSA equipment such as an angiography machine and is used to quickly and accurately adjust the tube 42 and detector to the detection area to perform a three-dimensional scanning function. The scanning device includes a support assembly 10, a multi-dimensional adjustment assembly 20 rotatably connected to the support assembly 10, and a first detection assembly 30 and a second detection assembly 40 mounted on the multi-dimensional adjustment assembly 20. The multi-dimensional adjustment assembly 20 includes a first support arm 21, a second support arm 22, a support arm frame 23, and an arc-shaped support arm 24 slidably mounted on the support arm frame 23. The first support arm 21 is pivotally connected to the support assembly 10 via a first rotating shaft 211, the first support arm 21 is pivotally connected to the second support arm 22 via a second rotating shaft 212, and the support arm frame 23 is pivotally connected to the second support arm 22 via a third rotating shaft 221. The axis of the first rotating shaft 211 is parallel to the axis of the second rotating shaft 212, and the axis of the second rotating shaft 212 is perpendicular to the axis of the third rotating shaft 221.

[0057] The arcuate support arm 24 slides along the support arm frame 23 and rotates about the fourth rotation axis. The first detection assembly 30 and the second detection assembly 40 are respectively mounted on both ends of the arcuate support arm 24. A calibration portion 241 is provided on the radial outer peripheral wall of the arcuate support arm 24. The first support arm 21 is equipped with a calibration frame, the calibration centerline of which coincides with the axis of the first rotating shaft 211.

[0058] When the support arm 23 is in the zero position, the first support arm 21 and the arc-shaped support arm 24 rotate relative to the bracket assembly 10 until the calibration center line of the calibration frame coincides with the center line of the correction part 241, and the second rotation axis 212 and the fourth rotation axis are zeroed.

[0059] The first support arm 21, the second support arm 22, the support arm frame 23 and the arc-shaped support arm 24 are all rigid structural members made of rigid materials with stable shapes. The support assembly 10 is installed on a fixed base object to maintain the stable position of the scanning device. For example, the support assembly 10 is installed on the top of a building, the upper beam of a suspension, etc. The first support arm 21 is rotatably connected to the support assembly 10 via the first rotating shaft 211 and can rotate relative to the support assembly 10 around the axis of the first rotating shaft 211. The second support arm 22, the support arm frame 23 and the arc-shaped support arm 24 connected to the first support arm 21 all rotate relative to the support assembly 10. In other words, the first support arm 21 rotates around the first rotating shaft 211 under the drive of the first power member. During the zeroing process of the scanning device, the first rotating shaft 211 needs to be adjusted to zero.

[0060] The second arm 22 is pivotally connected to the first arm 21 via the second rotating shaft 212, enabling the second arm 22 to rotate relative to the first arm 21 about the second rotating shaft 212. Consequently, the support arm 23 and the arc-shaped arm 24 connected to the second arm 22 both rotate relative to the first arm 21. In other words, the second arm 22 rotates about the axis of the second rotating shaft 212 under the drive of the second power member. During the zeroing process of the scanning device, the second rotating shaft 212 needs to be adjusted and zeroed. The parallel arrangement of the first rotating shaft 211 and the second rotating shaft 212 allows the support arm 23 and the arc-shaped arm 24 to form a swing arm structure, expanding the swing range.

[0061] like Figure 2 As shown, the support arm 23 is pivotally connected to the second arm 22 via the third rotating shaft 221, so that the support arm 23 can rotate around the third rotating shaft 221 relative to the second arm 22, and the arc-shaped arm 24 connected to the support arm 23 rotates relative to the second arm 22. That is, the support arm 23 rotates around the third rotating shaft 221 under the drive of the third power member. During the zeroing process of the scanning device, the third rotating shaft 221 needs to be adjusted to zero. The second rotating shaft 212 and the third rotating shaft 221 are located at both ends of the second arm 22, and the second rotating shaft 212 and the third rotating shaft 221 are perpendicular to each other. The arc-shaped arm 24 can swing and rotate relative to the first arm 21. The first detection component 30 and the second detection component 40 installed at both ends of the arc-shaped arm 24 move to different detection angles with the arc-shaped arm 24.

[0062] The curved support arm 24 is slidably mounted on the support arm 23. The support arm 23 is provided with a curved slot and a fourth power member disposed within the slot. The fourth power member drives the curved support arm 24, which is slidably mounted within the slot, to move the curved support arm 24 about a fourth rotation axis corresponding to the slot, thereby shifting the first detection assembly 30 and the second detection assembly 40 to different detection angles.

[0063] like Figure 3 and Figure 4 As shown, the correction portion 241 is provided on the radial outer peripheral wall of the arc-shaped support arm 24 as a reference position for zero calibration, so that the correction portion 241 can move relative to the calibration frame during the rotation of the arc-shaped support arm 24. The calibration frame is located at the first support arm 21, and its relative position remains fixed. The correction portion 241 rotates with the first support arm 21 and moves with the arc-shaped support arm 24, so that the center line of the correction portion 241 gradually approaches the calibration portion with the alternating motion or synchronous motion of the first support arm 21 and the arc-shaped support arm 24, until the calibration center line of the calibration frame coincides with the center line of the correction portion 241, and the second rotation axis 212 and the fourth rotation axis are simultaneously zeroed.

[0064] With the third rotating shaft 221 at zero, the first arm 21 and the curved arm 24 are gradually fine-tuned to bring the calibration portion 241 toward the calibration centerline of the calibration frame until the calibration centerline of the calibration frame coincides with the centerline of the calibration portion 241. This simultaneously zeroes the second rotating shaft 212 and the fourth rotation axis, resulting in high adjustment efficiency. Alternating rotation of the first arm 21 and the curved arm 24 to simultaneously zero the second rotating shaft 212 and the fourth rotation axis requires minimal skill, and alignment of the lines ensures accurate adjustment, facilitating observation.

[0065] The curved support arm 24 has an arc-shaped structure, with its fourth axis of rotation substantially coinciding with the centerline of the slideway of the support arm 23. In other words, the sliding path of the curved support arm 24 along the support arm 23 is the arc formed by the slideway. The correction portion 241 is also processed simultaneously during the outer dimensions of the curved support arm 24, ensuring precise positioning of the correction portion 241 on the curved support arm 24. The correction portion 241 is integrally manufactured with the curved support arm 24, ensuring high precision in its machining.

[0066] Optionally, the centerline of the calibration portion 241 is perpendicular to the axis of the third rotating shaft 221, and the centerline of the calibration portion 241 is located in the radial direction of the arc-shaped support arm 24 and intersects the fourth rotation axis. When the axis of the third rotating shaft 221 is horizontal and the calibration centerline of the calibration frame coincides with the centerline of the calibration portion 241, the centerline of the calibration portion 241 is perpendicular to the horizontal plane and is in a vertical position.

[0067] The correction portion 241 is a structure directly machined on the arc-shaped support arm 24. For example, the correction portion 241 is configured as a linear rib, linear groove, or hole-shaped groove structure configured on the arc-shaped support arm 24, so that the correction portion 241 and the arc-shaped support arm 24 are integrally machined and formed, thereby improving the positional accuracy of the correction portion 241. When the correction portion 241 is configured as a linear groove or rib structure, the correction portion 241 and the calibration portion are aligned by aligning lines or surfaces, which is convenient for observation. In one embodiment, the correction portion 241 includes a hole-shaped groove provided on the arc-shaped support arm 24. In this embodiment, the hole-shaped groove is configured as a circular countersunk structure, wherein the center line of the correction portion 241 is the axis of the countersunk hole. For example, the correction part 241 can be configured as a blind hole or a through hole with an aperture of 2 to 5 mm. If the correction part 241 is set as a through hole of 2 mm, 3 mm, 4 mm, or 5 mm, and the laser beam passes through the correction part 241, it can be determined that the calibration center line of the calibration frame coincides with the center line of the correction part 241, so that the second rotating shaft 212 and the fourth rotation axis are simultaneously set to zero. Optionally, a positioning groove 242 is provided on the radial outer peripheral wall of the arc-shaped support arm 24, and the correction part 241 is located in the positioning groove 242 to improve the identifiability of the correction part 241. Optionally, a photosensitive element 243 is provided at the bottom of the hole of the correction part 241 for sensing the light output by the calibration part. When the photosensitive element 243 senses the stable irradiation of light, it can be determined that the calibration center line of the calibration frame coincides with the center line of the correction part 241, so that the second rotating shaft 212 and the fourth rotation axis are simultaneously set to zero.

[0068] In another embodiment, the correction part 241 includes a correction piece fixedly connected to the arc-shaped support arm 24, and the correction piece is provided with a correction center line. The correction piece is an external structural member installed on the arc-shaped support arm 24, and it has a correction center line that can reflect the center position. Optionally, the correction piece is a columnar structural member and is plugged into the arc-shaped support arm 24 through an interference fit, and a photosensitive element 243 is provided at its center for sensing the light output by the calibration part. Optionally, the correction piece is set as a columnar protrusion, and its end tip points to the calibration part, so that the calibration center line of the calibration frame can coincide with the center line of the correction part 241, so that the second rotating shaft 212 and the fourth rotation axis are set to zero at the same time.

[0069] like Figure 5 As shown, in one embodiment, the calibration frame includes a flange mounting port 213 configured on the first arm 21, and the flange mounting port 213 is used to install a calibration device 60 that outputs a calibration light 61, and the calibration light 61 coincides with the calibration center line.

[0070] The first arm 21 is mounted on the bracket assembly 10 via the first rotating shaft 211, and the axial positions of the two remain stable. The flange mounting port 213 is configured as a tapered hole or stepped hole structure, which is used to locate the installation accuracy of the calibration device 60 so that the center line of the calibration device 60 coincides with the calibration center line of the calibration frame, wherein the standard light of the calibration device 60 has the characteristics of small line diameter change and convenient observation. Optionally, the calibration device 60 is configured as a device capable of outputting standard light such as a laser beam, wherein the shape and line diameter of the laser beam vary little and are convenient for users to observe, so as to facilitate adjustment of the laser beam to coincide with the center line of the correction portion 241.

[0071] The support arm 23 is pivotally connected to the second arm 22 via a third rotation axis 221. The support arm 23 rotates relative to the second arm 22 about the third rotation axis 221. Optionally, the third rotation axis 221 is parallel to a horizontal plane. In one embodiment, the support arm 23 is configured with a first adjustment plane 231 parallel to the third rotation axis 221. The first adjustment plane 231 is used to place a spirit level 50, and the third rotation axis 221 is reset to zero when the bubble in the spirit level 50 is centered.

[0072] In this embodiment, the multi-dimensional adjustment assembly 20 is mounted on the bracket assembly 10, and the first adjustment plane 231 is provided on the surface of the support arm 23 and is perpendicular to or parallel to the horizontal plane when the support arm 23 is in the zero position. The first adjustment plane 231 is completed when the support arm 23 is machined, and the first adjustment plane 231 is highly parallel to the third rotation axis 221. A spirit level 50 with a high-precision measurement standard is placed on the first adjustment plane 231, and the offset angle of the bubble in the spirit level 50 can be adjusted by rotating the support arm 23. When the bubble in the spirit level 50 is centered, the support arm 23 is in the zero position, that is, the third rotation axis 221 of the multi-dimensional adjustment assembly 20 is zeroed.

[0073] After the positions of the second support arm 22, support arm 23, and curved support arm 24 are zeroed, the first support arm 21 needs to be further adjusted relative to the support assembly 10. In one embodiment, the support assembly 10 is provided with a first marking line 11, and the first support arm 21 is provided with a second marking line 214. When the first marking line 11 and the second marking line 214 are aligned, the first rotating shaft 211 is zeroed.

[0074] The first support arm 21 is capable of rotating relative to the support assembly 10, so that the multi-dimensional adjustment assembly 20 and the first detection assembly 30 and the second detection assembly 40 can rotate relative to the support assembly 10. When the first marking line 11 and the second marking line 214 are in a straight line, the first support arm 21 is zeroed, and the first rotating shaft 211 is zeroed.

[0075] like Figure 6 and Figure 7 As shown, the first detection component 30 and the second detection component 40 are arranged relative to each other to collaboratively detect the parameters of the target object between the two. In one embodiment, the first detection component 30 includes a telescopic component 32 mounted on the arc-shaped support arm 24 and an anti-collision rotation component 31 rotatably mounted on the telescopic component 32, and the anti-collision rotation component 31 rotates around the fifth rotation axis relative to the telescopic component 32, wherein the fifth rotation axis is perpendicular to the fourth rotation axis. The anti-collision rotation component 31 is configured with a second adjustment plane 311 and the second adjustment plane 311 is parallel to the fifth rotation axis. The anti-collision rotation component 31 rotates relative to the telescopic component 32 to adjust the fifth rotation axis of the anti-collision rotation component 31 to zero. Wherein, the second adjustment plane 311 is used to place the spirit level 50 and is zeroed when the bubble of the spirit level 50 is centered.

[0076] The anti-collision rotating assembly 31 is rotatably connected to the telescopic assembly 32, and their rotation axis is the fifth rotation axis. The second adjustment plane 311 is parallel to the fifth rotation axis. The position of the second adjustment plane 311 relative to the horizontal plane can be measured using a spirit level 50 to determine the zero position of the fifth rotation axis. The zeroing adjustment process for the fifth rotation axis is as follows: the curved support arm 24 slides relative to the support arm 23 to extend the first detection assembly 30 toward the horizontal plane until the second adjustment plane 311 is substantially horizontal. The spirit level 50 is placed on the second adjustment plane 311, and the curved support arm 24 is fine-tuned to center the bubble in the first direction. The anti-collision rotating assembly 31 is then driven to rotate about the fifth rotation axis to center the bubble in the second direction, where the first direction is perpendicular to the second direction. The fifth rotation axis is then zeroed when the bubble on the spirit level 50 is centered, making zeroing adjustment of the anti-collision rotating assembly 31 convenient.

[0077] The telescopic assembly 32 can drive the anti-collision rotating assembly 31 to move linearly and telescopically to adjust the detection position of the anti-collision rotating assembly 31. In one embodiment, the telescopic assembly 32 includes at least two layers of sleeves connected together. The telescopic assembly 32 is telescopic along the fifth rotation axis and is at a standard telescopic value, so that the telescopic assembly 32 is reset to zero.

[0078] The telescopic component 32 can drive the anti-collision rotating component 31 to move telescopically in a straight line along the axial direction of the fifth rotation axis to adjust the position of the anti-collision rotating component 31, thereby enabling the first detection component 30 to jointly detect the corresponding parameters with the second detection component 40 and obtain stable detection parameters. Optionally, the telescopic standard value H of the telescopic component 32 can be set according to design requirements. For example, the telescopic standard value H of the telescopic component 32 in the vascular machine can be set to 313 mm. The telescopic standard value is measured as follows: the telescopic component 32 is in an extended state, and a steel ruler measures the spacing distance between the end face of the outermost sleeve in the telescopic component 32 and the upper plane of the anti-collision rotating component 31. By adjusting the extension amount of the telescopic component 32 to be equal to the telescopic standard value, the telescopic component 32 is set to zero.

[0079] The second detection assembly 40 is positioned opposite the first detection assembly 30, and the two components collaborate to detect the detection parameters of the target object. The second detection assembly 40 requires zeroing to ensure its detection accuracy. In one embodiment, the second detection assembly 40 includes a bulb 42 and a collimator 41 rotatably connected to the bulb 42. The bulb 42 and the telescopic assembly 32 are respectively mounted at opposite ends of the arc-shaped support arm 24, and the collimator 41 is positioned opposite the anti-collision rotation assembly 31. The collimator 41 rotates relative to the bulb 42 about a sixth rotation axis based on the exposure image and is centered to zero the sixth rotation axis.

[0080] The bulb tube 42 is removably mounted on the curved support arm 24, and the collimator 41 is rotatably connected to the bulb tube 42 so as to rotate about a sixth rotation axis, wherein the sixth rotation axis is perpendicular to the fourth rotation axis. The collimator 41 is rotated about the sixth rotation axis relative to the bulb tube 42, and an exposure image is output. This exposure image is displayed on a display device, wherein the deflection position and angle of the exposure image relative to the display frame of the display device under the collimation effect of the collimator 41 can be visually reflected or measured in the exposure image. The collimator 41 is then driven to rotate based on the relative position of the exposure image of the collimator 41 and the display frame of the display device, so that the exposure image is centered and symmetrical relative to the display frame, and the sixth rotation axis is reset to zero.

[0081] During the zeroing adjustment process of the second detection assembly 40, there is no need to remove the collimator 41. Zeroing is simple, and users can complete the zeroing and debugging process with simple training. It offers convenient operation and high adjustment efficiency. Using standard light and a high-precision level 50 for adjustment, the second rotating shaft 212, the third rotating shaft 221, and the fourth rotation axis have an accuracy error of less than 0.1 degrees, achieving high adjustment precision. Furthermore, each adjustment step requires minimal time, significantly reducing equipment maintenance time and achieving excellent economic benefits.

[0082] like Figure 1As shown, the present application also discloses a corresponding calibration method for the above-mentioned scanning device, so that the scanning device can be zero-adjusted, and the scanning accuracy of the scanning device is high.

[0083] The correction method comprises the following steps:

[0084] Step S101: Zeroing the support arm 23. The support arm 23 is pivotally connected to the second support arm 22 via the third rotation axis 221, enabling the support arm 23 to rotate relative to the second support arm 22 about the third rotation axis 221. Furthermore, the arcuate support arm 24 connected to the support arm 23 also rotates relative to the second support arm 22. During the zeroing process of the scanning device, the third rotation axis 221 of the support arm 23 is first adjusted to zero. The arcuate support arm 24 is capable of swinging and rotating relative to the first support arm 21. The first detection assembly 30 and the second detection assembly 40 mounted at each end of the arcuate support arm 24 move with the arcuate support arm 24 to different detection angles.

[0085] Step S102, install the laser emitter to the calibration frame, wherein the laser beam output by the laser emitter coincides with the first rotating shaft 211. The laser emitter is used to output a laser beam with straight propagation and stable linear diameter, and the laser beam is irradiated in the direction of the arc-shaped support arm 24 and is parallel to the axis of the first rotating shaft 211. Accordingly, the laser beam serves as a light that can be identified by the naked eye of the operator, so that the axis of the first rotating shaft 211 can be visualized. Optionally, the calibration frame is the first support arm 21; or, the calibration frame is fixedly mounted on the first support arm 21. The laser emitter serves as a calibration device 60, which can output a laser beam as a standard light.

[0086] Step S103 : rotating the first arm 21 relative to the bracket assembly 10 so that the correction portion 241 is offset toward the direction of the laser beam.

[0087] In step S104 , the arc-shaped support arm 24 is slid along the support arm 23 , so that the correction portion 241 rotates around the fourth rotation axis and deviates toward the direction of the laser beam.

[0088] Step S105 , repeating S103 and S104 until the laser beam output by the laser emitter coincides with the center line of the correction portion 241 , and then the second rotation axis 212 and the fourth rotation axis are reset to zero.

[0089] The calibration portion 241 is provided on the radial outer peripheral wall of the arcuate support arm 24 as a reference position for zero calibration, so that during the rotation of the arcuate support arm 24, the calibration portion 241 can move relative to the calibration frame, wherein the calibration frame is located on the first support arm 21 or is provided as a part of the first support arm 21. As the first support arm 21 rotates and the arcuate support arm 24 moves, the calibration portion 241 causes the center line of the calibration portion 241 to gradually approach the laser beam output by the laser emitter on the calibration portion along with the alternating motion or synchronous motion of the first support arm 21 and the arcuate support arm 24, until the laser beam coincides with the center line of the calibration portion 241. The second rotating shaft 212 and the fourth rotation axis are then simultaneously zeroed, resulting in high adjustment efficiency. The first support arm 21 and the arcuate support arm 24 are alternately rotated and adjusted to simultaneously zero the second rotating shaft 212 and the fourth rotation axis. This requires low operating skills, and the alignment of the laser beam with the center line of the calibration portion 241 determines the accuracy of the adjustment position, making observation convenient.

[0090] The arc-shaped support arm 24 is an arc structure, and its center line basically coincides with the center line of the slide groove of the support arm 23. That is, the sliding trajectory of the arc-shaped support arm 24 along the support arm 23 is the arc line where the slide groove is located. During the external dimension processing of the arc-shaped support arm 24, the correction part 241 is processed synchronously, and the processing position of the correction part 241 on the arc-shaped support arm 24 is accurate. The correction part 241 and the arc-shaped support arm 24 are processed integrally, and the processing position accuracy of the correction part 241 is high. In one embodiment, the correction part 241 includes a hole-shaped groove provided on the arc-shaped support arm 24. In another embodiment, the correction part 241 includes a correction part fixedly connected to the arc-shaped support arm 24, and the correction part is provided with a correction center line.

[0091] like Figure 2 and Figure 5 As shown, in step S102, the laser transmitter is mounted on the calibration frame, including the following steps:

[0092] The laser emitter is mounted on flange mounting opening 213, which is configured as a groove structure for mounting the calibration frame on first arm 21. Flange mounting opening 213 is configured as a tapered or stepped hole structure to accurately position the laser emitter so that its centerline coincides with the calibration centerline of the calibration frame.

[0093] The laser emitter is activated to output a laser beam toward the arc-shaped support arm 24, wherein the calibration centerline coincides with the laser beam. The shape and diameter of the laser beam vary minimally, and are easily observed by the user, thereby facilitating adjustment of the alignment of the laser beam with the centerline of the calibration portion 241.

[0094] The support arm 23 is configured with a first adjustment surface 231 parallel to the third rotation axis 221. This first adjustment surface 231 is machined during the manufacture of the support arm 23 and maintains a high degree of parallelism with the third rotation axis 221. A high-precision level 50 is placed on the first adjustment surface 231. The offset angle of the bubble in the level 50 can be adjusted by rotating the support arm 23.

[0095] Accordingly, in step S101, setting the support arm 23 to zero includes the following steps:

[0096] The level 50 is placed on the first adjustment plane 231 of the support arm 23 .

[0097] The support arm 23 is rotated relative to the second support arm 22 to adjust the bubble of the level 50 to be centered.

[0098] The support arm 23 is pivotally connected to the second support arm 22 via a third rotation axis 221. The support arm 23 rotates relative to the second support arm 22 about the third rotation axis 221. A first adjustment plane 231 is provided on the upward-facing surface of the support arm 23. The support arm 23 reciprocates about the third rotation axis 221 to adjust the position of the bubble of the level 50 placed on the first adjustment plane 231. When the bubble of the level 50 is centered, the support arm 23 is in the zero position, i.e., the third rotation axis 221 of the multi-dimensional adjustment assembly 20 is zeroed.

[0099] In one embodiment, the calibration method further includes: rotating the first arm 21 relative to the bracket assembly 10 so that the first marking line 11 set on the bracket assembly 10 and the second marking line 214 set on the first arm 21 are in the same straight line, and the first rotating shaft 211 is set to zero.

[0100] The support assembly 10 is provided with a first marking line 11, and the first support arm 21 is provided with a second marking line 214. The first support arm 21 is capable of rotating relative to the support assembly 10, thereby causing the multi-dimensional adjustment assembly 20, the first detection assembly 30, and the second detection assembly 40 to rotate relative to the support assembly 10. When the first marking line 11 and the second marking line 214 are aligned, the first support arm 21 is zeroed, and thus the first rotation axis 211 is zeroed.

[0101] In addition to adjusting the four rotational axes of the multi-dimensional adjustment assembly 20, it is also necessary to further perform zero adjustment on the first detection assembly 30 and the second detection assembly 40. The first detection assembly 30 and the second detection assembly 40 are arranged opposite to each other to collaboratively detect parameters of the target object therebetween.

[0102] like Figure 6 and Figure 7As shown, in one embodiment, the first detection component 30 includes a telescopic component 32 installed on the arc-shaped support arm 24 and an anti-collision rotating component 31 rotatably installed on the telescopic component 32, and the anti-collision rotating component 31 rotates around a fifth rotation axis relative to the telescopic component 32.

[0103] Rotate the arc-shaped support arm 24 around the fourth rotation axis so that the second adjustment plane 311 of the anti-collision rotation assembly 31 is parallel to the horizontal plane, wherein the second adjustment plane 311 is parallel to the fifth rotation axis;

[0104] Place the level 50 on the second adjustment plane 311 .

[0105] The anti-collision rotating assembly 31 is rotated relative to the telescopic assembly 32 to adjust the bubble of the level 50 to be centered, and the fifth rotation axis of the anti-collision rotating assembly 31 is set to zero.

[0106] The anti-collision rotating assembly 31 is rotatably connected to the telescopic assembly 32, and their rotation axis is the fifth rotation axis. The second adjustment plane 311 is parallel to the fifth rotation axis. The position of the second adjustment plane 311 relative to the horizontal plane can be measured by the spirit level 50 to determine the zero position of the fifth rotation axis. The zero adjustment process of the fifth rotation axis is as follows: the arc-shaped support arm 24 slides relative to the support arm 23 to extend the first detection assembly 30 toward the horizontal plane until the second adjustment plane 311 is substantially at a horizontal angle. The spirit level 50 is placed on the second adjustment plane 311, and then the arc-shaped support arm 24 is fine-tuned to center the bubble in the first direction. The anti-collision rotating assembly 31 is driven to rotate about the fifth rotation axis to center the bubble in the second direction, wherein the first direction is perpendicular to the second direction. Then, the fifth rotation axis is zeroed when the bubble on the spirit level 50 is centered, making the zero adjustment of the anti-collision rotating assembly 31 convenient.

[0107] The telescopic assembly 32 can drive the anti-collision rotating assembly 31 to move in a linear telescopic manner to adjust the detection position of the anti-collision rotating assembly 31. In one embodiment, the telescopic assembly 32 includes at least two layers of sleeves connected in a sleeve manner.

[0108] The telescopic assembly 32 is extended along the direction of the fifth rotation axis.

[0109] If the measured elongation value of the telescopic component 32 is equal to the standard elongation value, the telescopic component 32 is set to zero.

[0110] The second detection assembly 40 is disposed opposite the first detection assembly 30, and the two components cooperate to detect the detection parameters of the target object. The second detection assembly 40 requires zero adjustment to ensure the detection accuracy of the second detection assembly 40. In one embodiment, the second detection assembly 40 includes a bulb 42 and a collimator 41 rotatably connected to the bulb 42. The bulb 42 and the telescopic assembly 32 are respectively mounted at both ends of the arc-shaped support arm 24, and the collimator 41 is disposed opposite the anti-collision rotation assembly 31.

[0111] The collimator 41 is rotated relative to the bulb 42 around the sixth rotation axis, and an exposure image is output.

[0112] The exposure image is displayed by a display device.

[0113] The collimator 41 is driven to rotate according to the relative position of the exposure image of the collimator 41 and the display frame of the display device so that the exposure image is centered and symmetrical with respect to the display frame, and the sixth rotation axis is set to zero.

[0114] The bulb tube 42 is removably mounted on the curved support arm 24, and the collimator 41 is rotatably connected to the bulb tube 42 for rotation about a sixth rotation axis. The collimator 41 is rotated relative to the bulb tube 42 about the sixth rotation axis to output an exposure image. This exposure image is displayed on a display device, wherein the deflection position and angle of the exposure image relative to the display frame of the display device under the collimation effect of the collimator 41 can be visually reflected or measured in the exposure image. The collimator 41 is then driven to rotate based on the relative position of the exposure image of the collimator 41 and the display frame of the display device, so that the exposure image is centered and symmetrical relative to the display frame, and the sixth rotation axis is reset to zero.

[0115] During the zeroing adjustment process of the second detection assembly 40, there is no need to remove the collimator 41. Zeroing is simple, and users can complete the zeroing and debugging process with simple training. It offers convenient operation and high adjustment efficiency. Using standard light and a high-precision level 50 for adjustment, the second rotating shaft 212, the third rotating shaft 221, and the fourth rotation axis have an accuracy error of less than 0.1 degrees, achieving high adjustment precision. Furthermore, each adjustment step requires minimal time, significantly reducing equipment maintenance time and achieving excellent economic benefits.

[0116] The scanning device disclosed in the above embodiments is applied to medical detection equipment to improve the equipment's adjustment efficiency and zeroing accuracy. In one embodiment, the medical detection equipment includes a carrier, a control unit, and a scanning device as disclosed in the above embodiments, which is communicatively connected to the control unit. The control unit outputs control instructions to the scanning device via an input device, causing the multi-dimensional adjustment component 20, the first detection component 30, and the second detection component 40 to adjust their geometric positions accordingly to detect an object placed on the carrier. Optionally, the carrier comprises a movable bed or a movable chair.

[0117] Other embodiments of the present disclosure will readily occur to those skilled in the art after considering the specification and practicing the invention disclosed herein. This disclosure is intended to cover any variations, uses, or adaptations of the present disclosure that follow the general principles of the present disclosure and include common knowledge or customary techniques in the art not disclosed herein. The description and examples are to be considered as exemplary only, with the true scope and spirit of the present disclosure being indicated by the following claims.

[0118] It should be understood that the present disclosure is not limited to the exact structures that have been described above and shown in the drawings, and that various modifications and changes can be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

1. A scanning device, characterized in that: The invention comprises a support assembly, a multi-dimensional adjustment assembly rotatably connected to the support assembly, a first detection assembly and a second detection assembly installed on the multi-dimensional adjustment assembly, the multi-dimensional adjustment assembly comprising a first support arm, a second support arm, a support arm frame and an arc-shaped support arm slidably arranged on the support arm frame, the first support arm and the support assembly are pivotally connected via a first rotating shaft, the first support arm and the second support arm are pivotally connected via a second rotating shaft, and the support arm frame and the second support arm are pivotally connected via a third rotating shaft; wherein the axis of the first rotating shaft is parallel to the axis of the second rotating shaft, and the axis of the second rotating shaft is perpendicular to the axis of the third rotating shaft; The arc-shaped support arm is slidably connected to the support arm and rotates around the fourth rotation axis. The first detection assembly and the second detection assembly are respectively installed at both ends of the arc-shaped support arm. The radial outer peripheral wall of the arc-shaped support arm is provided with a correction portion. The first support arm is equipped with a calibration frame, and the calibration center line of the calibration frame coincides with the axis of the first rotating shaft. When the support arm is in the zero position, the first support arm and the arc support arm rotate relative to the bracket assembly until the calibration center line of the calibration frame coincides with the center line of the correction part, and the second rotation axis and the fourth rotation axis are zeroed.

2. The scanning device according to claim 1, wherein: The arc-shaped support arm has an arc-shaped structure, and the correction part is processed integrally with the arc-shaped support arm, wherein the correction part includes a hole-shaped groove arranged on the arc-shaped support arm; or, the correction part includes a correction piece fixedly connected to the arc-shaped support arm, and the correction piece is provided with a correction center line.

3. The scanning device according to claim 1, wherein: The calibration frame includes a flange mounting port configured on the first arm, and the flange mounting port is used to install a calibration device that outputs calibration light, and the calibration light coincides with the calibration center line.

4. The scanning device according to claim 1, wherein: The support arm is configured with a first adjustment plane parallel to the third rotation axis; wherein the first adjustment plane is used to place a spirit level and the support arm is set to zero when the bubble of the spirit level is centered.

5. The scanning device according to claim 1, wherein: The bracket assembly is provided with a first marking line, and the first arm is provided with a second marking line; when the first marking line and the second marking line are in the same straight line, the first rotating shaft is set to zero.

6. The scanning device according to claim 1, wherein: The first detection component includes a telescopic component installed on the arc-shaped support arm and an anti-collision rotating component rotatably installed on the telescopic component, the anti-collision rotating component rotates around a fifth rotation axis relative to the telescopic component, the anti-collision rotating component is configured with a second adjustment plane and the second adjustment plane is parallel to the fifth rotation axis, the anti-collision rotating component rotates relative to the telescopic component to adjust the fifth rotation axis of the anti-collision rotating component to zero; wherein, the second adjustment plane is used to place a spirit level and is set to zero when the bubble of the spirit level is centered.

7. The scanning device according to claim 6, characterized in that The telescopic assembly includes at least two layers of sleeves that are sleeved together. The telescopic assembly is telescopic along the direction of the fifth rotation axis and is at a standard telescopic value, so that the telescopic assembly is set to zero.

8. The scanning device according to claim 6, wherein: The second detection assembly includes a tube and a collimator rotatably connected to the tube. The tube and the telescopic assembly are respectively installed at both ends of the arc-shaped support arm, and the collimator is arranged opposite to the anti-collision rotation assembly. The collimator rotates and centers around the sixth rotation axis relative to the tube according to the exposure image, so that the sixth rotation axis is set to zero.

9. A calibration method for a scanning device, the scanning device comprising a support assembly, a multi-dimensional adjustment assembly rotatably connected to the support assembly, a first detection assembly and a second detection assembly mounted on the multi-dimensional adjustment assembly, the multi-dimensional adjustment assembly comprising a first support arm, a second support arm, a support arm frame, and an arc-shaped support arm slidably mounted on the support arm frame, the first support arm and the support assembly being pivotally connected via a first rotating shaft, the first support arm and the second support arm being pivotally connected via a second rotating shaft, and the support arm frame and the second support arm being pivotally connected via a third rotating shaft; wherein, The axis of the first rotating shaft is parallel to the axis of the second rotating shaft, and the axis of the second rotating shaft is perpendicular to the axis of the third rotating shaft; characterized in that: The arc-shaped support arm is slidably connected to the support arm and rotates around the fourth rotation axis. The first detection assembly and the second detection assembly are respectively installed at both ends of the arc-shaped support arm. The radial outer peripheral wall of the arc-shaped support arm is provided with a correction portion. The first support arm is equipped with a calibration frame, and the calibration center line of the calibration frame coincides with the first rotation axis. The calibration method includes: S101, setting the support arm to zero; S102, installing a laser transmitter on a calibration frame, wherein a laser beam output by the laser transmitter coincides with an axis of the first rotating shaft; S103, rotating the first support arm relative to the bracket assembly so that the correction portion is offset toward the direction of the laser beam; S104, slidingly connecting the arc-shaped support arm to the support arm, so that the correction part rotates around the fourth rotation axis and deviates toward the direction of the laser beam; S105, repeatedly executing S103 and S104 until the laser beam output by the laser emitter coincides with the center line of the correction part, and the second rotation axis and the fourth rotation axis are reset to zero.

10. The calibration method according to claim 9, characterized in that: The arc-shaped support arm has an arc-shaped structure, and the correction part is processed integrally with the arc-shaped support arm, wherein the correction part includes a hole-shaped groove arranged on the arc-shaped support arm; or, the correction part includes a correction piece fixedly connected to the arc-shaped support arm, and the correction piece is provided with a correction center line.

11. The calibration method according to claim 9, wherein: The step of installing the laser transmitter on the calibration frame comprises: Mounting the laser transmitter on a flange mounting opening, wherein the flange mounting opening is configured as a groove structure for mounting the calibration frame on the first arm; The laser emitter is started to output a laser beam in the direction of the arc-shaped support arm, wherein the calibration center line coincides with the laser beam.

12. The calibration method according to claim 9, wherein: Setting the support arm to zero includes: placing a level on a first adjustment plane of the support arm configuration, wherein the first adjustment plane is parallel to the third rotation axis; The support arm is rotated relative to the second support arm to adjust the bubble of the level to be centered.

13. The calibration method according to claim 9, wherein: The correction method further comprises: The first support arm is rotated relative to the bracket assembly so that a first marking line set on the bracket assembly and a second marking line set on the first support arm are in the same straight line, and the first rotation axis is set to zero.

14. The calibration method according to claim 9, wherein: The first detection assembly includes a telescopic assembly mounted on the arc-shaped support arm and an anti-collision rotating assembly rotatably mounted on the telescopic assembly, and the anti-collision rotating assembly rotates relative to the telescopic assembly around a fifth rotation axis; Rotating the arc-shaped support arm about the fourth rotation axis so that the second adjustment plane of the anti-collision rotation assembly is parallel to the horizontal plane, wherein the second adjustment plane is parallel to the fifth rotation axis; placing the level on the second adjustment plane; The anti-collision rotating assembly is rotated relative to the telescopic assembly to adjust the bubble of the level to be centered, and the fifth rotation axis of the anti-collision rotating assembly is set to zero.

15. The calibration method according to claim 14, wherein: The telescopic assembly comprises at least two layers of sleeves connected in a sleeve manner; Extending the telescopic assembly along the direction of the fifth rotation axis; If the measured elongation value of the telescopic component is equal to the standard telescopic value, the telescopic component is reset to zero.

16. The calibration method according to claim 14, wherein: The second detection assembly includes a tube and a collimator rotatably connected to the tube, the tube and the telescopic assembly are respectively mounted on both ends of the arc-shaped support arm, and the collimator is arranged opposite to the anti-collision rotation assembly; rotating the collimator relative to the tube around a sixth rotation axis and outputting an exposure image; displaying the exposure image via a display device; The collimator is driven to rotate according to the relative position of the exposure image of the collimator and the display frame of the display device so that the exposure image is centered and symmetrical with respect to the display frame, and the sixth rotation axis is set to zero.

17. A medical testing device, characterized in that: The invention comprises a carrying body, a control body and a scanning device according to any one of claims 1 to 8, wherein the scanning device is communicatively connected with the control body.

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