A CT scanning device

Abstract

The present application discloses a CT scanning device, including a scanning ring, a transverse moving frame, a telescopic support, and a yaw driving assembly for adjusting the rotation angle of the telescopic support relative to the transverse moving frame. The scanning ring is rotatably arranged at the telescopic end of the telescopic support. The yaw driving assembly includes a yaw driving shaft, a sliding table, and a driven adapter. The central axis of the yaw driving shaft is located on a horizontal plane and extends along the yaw direction of the telescopic support. In the embodiment of the present application, by adopting the above CT scanning device and setting the yaw driving assembly as a transverse driving structure, the telescopic axis of the telescopic support forms an angle with the central axis of the yaw driving shaft, so that the load can directly act on the axial direction of the yaw driving shaft. Compared with the traditional rotary driving scheme, it can effectively improve the anti-overturning moment and bearing capacity of the telescopic support in the yaw state, and ensure the support stability and scanning accuracy of the inclined scanning ring.

Description

Technical Field

[0001] The present invention relates to the technical field of CT equipment, and in particular to a CT scanning device. Background Art

[0002] Computed tomography (CT) is a medical imaging technique used to generate cross-sectional images of the human body. It can take multiple X-ray images from different angles and then synthesize tomographic images through computer processing to form detailed two-dimensional or three-dimensional views.

[0003] Some scanning rings adopt a full-circle rotation design. The principle is to set up multiple adjustment mechanisms to drive the scanning ring, so as to achieve adaptation for lying, sitting or semi-recumbent postures. In a cantilever-type scanning ring scanning device, in order to adapt to the working scenario of an inclined sitting posture, the cantilever needs to be yawed. Due to the large load of the cantilever, when using a longitudinal push rod drive or a rotating gear transmission structure, the longitudinal driving force arm is too long, and it is easy to produce flexural deformation due to the self-weight of the cantilever, resulting in angle positioning errors. When the driving mechanism deviates from the centroid of the cantilever, an additional torque will be generated during the yawing process, and additional counterweights are required for compensation, increasing the structural complexity. At the same time, the driving components need to bear lateral shear forces in the inclined angle state, accelerating mechanical wear, seriously affecting the application reliability of the CT scanning device in clinical scenarios such as inclined sitting posture scanning. Summary of the Invention

[0004] Aiming at the deficiencies of the prior art, the present invention provides a CT scanning device with high yaw angle adjustment accuracy and strong support stability.

[0005] To achieve the above objectives, the present invention is realized through the following technical solutions.

[0006] The present application provides a CT scanning device, including:

[0007] A transverse movement frame;

[0008] A telescopic support, the fixed end of which is rotatably arranged on the transverse movement frame, and the telescopic end is rotatably connected to the scanning ring;

[0009] A yaw drive assembly for adjusting the rotation angle of the telescopic support relative to the transverse movement frame;

[0010] Among them, the yaw drive assembly includes a yaw drive shaft, a sliding table and a driven adapter;

[0011] The yaw drive shaft is rotatably arranged on the transverse movement frame, the sliding table is slidably arranged on the fixed end of the telescopic support, the driven adapter is rotatably connected to the sliding table and is threadedly connected to the yaw drive shaft;

[0012] The central axis of the yaw drive shaft is located on a horizontal plane and extends along the yaw direction of the telescopic bracket, and the sliding direction of the sliding platform is parallel to the telescopic direction of the telescopic bracket.

[0013] It is further defined that in the above-mentioned CT scanning device, two yaw drive shafts are rotatably provided on the transverse frame, and the two yaw drive shafts are symmetrical about the central axis of the scanning ring.

[0014] It is further defined that in the above-mentioned CT scanning device, the telescopic bracket in a vertical state is used as a reference, and the swing angle of the telescopic bracket relative to the transverse frame is specifically set to ±15°;

[0015] And / or, the rotation angle range of the scanning ring relative to the telescopic end of the telescopic bracket is specifically set to be greater than 90°, and the scanning ring can be rotated until the central axis is horizontal or vertical.

[0016] It is further defined that, in the above-mentioned CT scanning device, the driven adapter comprises a transverse screw block threadedly connected to the yaw drive shaft, and a fixed block fixedly connected to the transverse screw block and rotatably connected to the sliding table.

[0017] It is further defined that in the above-mentioned CT scanning device, a yaw guide rail parallel to the central axis of the yaw drive shaft is fixedly provided on the transverse frame, and a driven slider slidably connected to the yaw guide rail is fixedly provided on the driven adapter.

[0018] It is further defined that in the above-mentioned CT scanning device, a sliding guide rail is fixedly provided on the fixed end of the telescopic bracket, and a driven sliding block slidably connected to the sliding guide rail is fixedly provided on the sliding platform;

[0019] Wherein, the extending direction of the sliding guide rail is parallel to the telescopic direction of the telescopic bracket.

[0020] It is further defined that the above-mentioned CT scanning device further includes a yaw drive assembly for driving the yaw drive shaft to rotate relative to the transverse frame.

[0021] It is further defined that, in the above-mentioned CT scanning device, the yaw drive assembly includes a yaw motor fixedly arranged on the transverse frame, and the power output shaft of the yaw motor is coupled to the yaw drive shaft.

[0022] Further defined, in the above-mentioned CT scanning device, a yaw transmission wheel is fixedly provided on the yaw drive shaft, a yaw power wheel is fixedly provided on the power output shaft of the yaw motor, and a yaw transmission belt is wound between the yaw transmission wheel and the yaw power wheel;

[0023] Alternatively, it further includes an auxiliary guide wheel assembly disposed between the yaw driving wheel and the yaw transmission wheel. The auxiliary guide wheel assembly includes at least one tension wheel, and the yaw transmission belt is wound around the yaw transmission wheel, the tension wheel, and the yaw driving wheel.

[0024] Further defined, for a CT scanning device as described above, it further includes a yaw angle sensing device for monitoring the yaw angle of the telescopic bracket relative to the transverse movement frame;

[0025] And / or, it further includes a rotation unit for driving the rotation of the scanning ring relative to the telescopic end of the telescopic bracket;

[0026] And / or, it further includes a telescopic driving mechanism for driving the telescopic bracket to perform telescopic actions.

[0027] The present invention has at least the following beneficial effects:

[0028] 1. By setting the yaw driving component as a transverse driving structure, the telescopic axis of the telescopic bracket and the central axis of the yaw driving shaft form an angle, so that the load can directly act on the axial direction of the yaw driving shaft. Compared with the traditional rotation driving scheme, it can effectively improve the anti-overturning moment and bearing capacity of the telescopic bracket in the yaw state, and ensure the support stability and scanning accuracy of the inclined scanning ring;

[0029] 2. Through the yaw control of the telescopic bracket by the yaw driving component and the rotation control of the scanning ring by the rotation unit, it can adapt to the patient scanning operations in different postures, greatly improving the practicability of the scanning device. Description of the Drawings

[0030] Figure 1 It is a schematic structural diagram of the CT scanning system according to the embodiment of the present application;

[0031] Figure 2 It is a schematic structural diagram of the CT scanning system according to the embodiment of the present application;

[0032] Figure 3 It is a schematic structural diagram of the CT scanning system according to the embodiment of the present application;

[0033] Figure 4 It is a schematic structural diagram of the CT scanning device according to the embodiment of the present application;

[0034] Figure 5 It is a schematic structural diagram of the "working frame" and "transverse movement component" in the embodiment of the present application;

[0035] Figure 6 It is a schematic structural diagram of the "transverse movement component" part in the embodiment of the present application;

[0036] Figure 7Schematic diagram of the enlarged partial structure of the "lateral movement component" in the embodiment of the present application;

[0037] Figure 8 Schematic diagram of the structure of the "cantilever 630" part in the embodiment of the present application;

[0038] Figure 9 Schematic diagram of the enlarged partial structure of the "cantilever 630" part in the embodiment of the present application;

[0039] Figure 10 Exploded view of the structure of the "cantilever 630" part in the embodiment of the present application;

[0040] Figure 11 Exploded view of the structure of the "rotation drive mechanism" part in the embodiment of the present application;

[0041] Figure 12 Schematic diagram of the enlarged partial structure of the "telescopic drive mechanism 620" part in the embodiment of the present application;

[0042] Figure 13 Schematic diagram of the structure of the "cantilever 630" in the extended state and the "scanning ring 500" in the horizontal detection state in the embodiment of the present application;

[0043] Figure 14 Schematic diagram of the structure of the "cantilever 630" in the extended state and the "scanning ring 500" in the vertical detection state in the embodiment of the present application;

[0044] Figure 15 Schematic diagram of the structure of the "cantilever 630" in the extended state and the "scanning ring 500" in the vertical detection state in the embodiment of the present application;

[0045] Figure 16 Schematic diagram of the structure of the "yaw drive assembly 900" part in the embodiment of the present application;

[0046] Figure 17 Schematic diagram of the structure of the "yaw drive assembly 900" part in the embodiment of the present application;

[0047] Figure 18 Schematic diagram of the structure of the CT scanning system in the initial state in the embodiment of the present application;

[0048] Figure 19 Schematic diagram of the structure of the CT scanning system in the initial state in the embodiment of the present application;

[0049] Figure 20 Schematic diagram of the structure of the CT scanning system in the horizontal detection state in the embodiment of the present application;

[0050] Figure 21Schematic diagram of the position of the "detection seat assembly 300" of the CT scanning system according to the embodiment of the present application in the longitudinal detection state;

[0051] Figure 22 Schematic diagram of the structure of the CT scanning system according to the embodiment of the present application in the longitudinal detection state;

[0052] Figure 23 Detection schematic diagram of the "scanning ring 500" in the embodiment of the present application.

[0053] Reference numerals

[0054] Base plate - 100, mounting frame - 110, detection bed assembly - 200, bed body drive assembly - 210, bed board main body - 220, detection seat assembly - 300, seat drive assembly - 310, seat main body - 320, positioning device - 400, scanning ring - 500, warning unit - 510, transverse movement frame - 610, transverse movement main shaft - 611, transverse movement slider - 612, transverse movement motor - 613, transverse movement drive wheel - 614, transverse movement driven wheel - 615, transverse movement idler wheel - 616, transverse movement drive belt - 617, telescopic drive mechanism - 620, drive support - 621, drive shaft - 622, lifting shaft - 623, drive adapter - 624, transition adapter - 625, drive wheel - 626, cantilever member - 630, rotating swing arm - 631, telescopic swing arm - 632, yaw angle sensing device - 640, gas spring device - 650, rotation drive motor - 661, rotation drive wheel - 662, rotation drive belt - 663, driven lead screw - 664, driven drive wheel - 665, transmission seat body - 666, half gear member - 667, adapter fixing plate - 668, limiting member - 669, connection shaft - 710, connection wheel - 720, adjustment shaft - 730, adjustment adapter - 731, hand crank member - 732, locking rotating shaft - 810, limiter - 820, fixing plate - 830, locking wheel - 840, support seat - 850, linkage shaft - 860, linkage wheel - 870, linkage belt - 880, yaw drive assembly - 900, yaw motor - 910, yaw driving wheel - 911, yaw drive shaft - 920, sliding table - 930, sliding guide rail - 931, first driven slider - 932, transverse movement screw block - 940, fixed block - 950, second driven slider - 960, yaw guide rail - 970, yaw drive pulley - 980, first tensioning pulley - 981, second tensioning pulley - 982, third tensioning pulley - 983, yaw drive belt - 990. Detailed implementation manners

[0055] Next, the technical solutions in the embodiments of the present application will be clearly described in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art belong to the scope of protection of the present application.

[0056] The terms "first", "second", etc. in the description and claims of the present application are used to distinguish similar objects, rather than to describe a specific order or sequence. It should be understood that such data can be interchanged under appropriate circumstances so that the embodiments of the present application can be implemented in an order other than those illustrated or described herein, and the objects distinguished by "first", "second", etc. are usually of the same type, and the number of objects is not limited. For example, the first object can be one or multiple. In addition, "and / or" in the description and claims means at least one of the connected objects, and the character " / " generally means an "or" relationship between the associated objects before and after.

[0057] Next, in conjunction with the accompanying drawings, the multi-plane imaging CT scanning device provided in the embodiments of the present application will be described in detail through specific embodiments and their application scenarios.

[0058] Embodiment 1

[0059] As Figures 1 to 23 shown, the embodiment of the present application provides a CT scanning system, including a working frame, a detection bed assembly 200, a detection seat assembly 300, and a scanning ring 500 provided on the working frame.

[0060] An adjustment unit is provided between the working frame and the scanning ring 500. The adjustment unit can drive the scanning ring 500 to move horizontally between the detection stations of the detection bed assembly 200 and the detection seat assembly 300, and can also drive the scanning ring 500 to move up and down in the vertical direction and rotate along a predetermined axis.

[0061] Wherein, the predetermined axis is specifically a horizontal line passing through the central axis of the scanning ring 500. The scanning ring 500 can cooperate with the detection bed assembly 200 to perform a lying posture detection or cooperate with the detection seat assembly 300 to perform a standing posture detection under the drive of the adjustment unit.

[0062] It can be understood that, as Figure 23As shown in the figure, when performing the lying posture detection, since the patient is in a horizontal position on the examination bed assembly 200, the adjustment assembly drives the scanning ring 500 to move to the corresponding position of the examination bed assembly 200 and lift to align with the horizontal direction of the patient. At the same time, the scanning ring 500 is rotated along a predetermined axis until the central axis is horizontal. Finally, the adjustment assembly drives the scanning ring 500 to pass through the patient on the examination bed assembly 200, thus completing the detection action. When performing the standing posture detection, the upper body of the patient stands at a right angle and sits on the examination seat assembly 300. The adjustment assembly drives the scanning ring 500 to move to the corresponding position of the examination bed assembly 200 and align longitudinally with the patient. Then, the scanning ring 500 is rotated along a predetermined axis until the central axis is perpendicular to the ground. Finally, the adjustment assembly drives the scanning ring 500 to lift and pass through the patient on the examination seat assembly 300, thus completing the detection action.

[0063] It should be noted that the standing posture includes the standing state and the state where the upper body of the sitting posture is straight, which is specifically determined based on the patient's detection plan and will not be elaborated here.

[0064] In the embodiment of the present application, by adopting the above CT scanning system, the adjustment unit can drive the scanning ring 500 to move between the detection stations of the examination bed assembly 200 and the examination seat assembly 300, and can quickly adjust the scanning plane angle according to the patient's detection posture, ensuring the accurate alignment of the central axis of the scanning ring 500 with the anatomical axis of the patient's body position. It has strong body position adaptability and can effectively improve the space utilization rate.

[0065] In a preferred embodiment, the angle range of the rotation of the scanning ring 500 along the predetermined axis is specifically greater than 90°.

[0066] Among them, the scanning ring 500 can be rotated along the predetermined axis until the central axis is in a horizontal or vertical state.

[0067] In a preferred embodiment, the predetermined axis is specifically a horizontal line passing through the geometric center point of the scanning ring 500.

[0068] It should be noted that the scanning ring 500 is a ring-shaped structure, and the geometric center point is defined as satisfying the radial and axial symmetry of the scanning ring 500 at the same time. By setting the orientation of the predetermined axis, the rotation stroke range of the scanning ring 500 can be reduced, and further reduce the space occupied during the adjustment of the scanning ring 500.

[0069] In a preferred embodiment, as Figures 1 to 3 、 Figure 5 、 Figures 18 to 22 shown, the working frame includes a bottom plate 100 and a mounting frame 110 fixedly arranged on the top of the bottom plate 100.

[0070] Among them, the adjustment unit is arranged on the mounting frame 110, and the detection bed assembly 200 and / or the detection seat assembly 300 are fixedly arranged on the top of the bottom plate 100.

[0071] It can be understood that the setting form of the working frame is not limited to the above one. For example, the mounting frame 110 can be directly arranged on the ground, or the working frame can be set as a wall, and the adjustment unit is directly arranged on the wall structure, as long as the installation of the adjustment unit and the scanning ring 500 can be realized, which will not be elaborated here.

[0072] In a preferred embodiment, the adjustment unit includes a transverse movement component arranged on the mounting frame 110, a telescopic unit fixedly connected to the transverse movement component, and a rotation unit.

[0073] Among them, the transverse movement component is used for adjusting the position of the scanning ring 500 in the horizontal direction, the telescopic unit is used for adjusting the position of the scanning ring 500 in the vertical direction, and the rotation unit is used for rotating the scanning ring 500 along a predetermined axis.

[0074] In a preferred embodiment, as Figures 1 to 8 , Figures 12 to 22 shown, the transverse movement component includes a transverse movement frame 610 fixedly connected to the scanning ring 500, and a transverse movement driving device arranged between the mounting frame 110 and the transverse movement frame 610.

[0075] In a preferred embodiment, as Figures 1 to 7 , Figures 18 to 22 shown, the transverse movement driving device includes a transverse movement motor 613 fixedly connected to the mounting frame 110, a transverse movement main shaft 611 rotatably arranged on the mounting frame 110 and coupled to the transverse movement motor 613, and a transverse movement slider 612 fixedly arranged on the transverse movement frame 610 and threadedly connected to the transverse movement main shaft 611.

[0076] It can be understood that the transverse movement motor 613 can drive the transverse movement motor 613 to rotate. When the transverse movement motor 613 rotates, it can drive the transverse movement slider 612 to move along the axis of the transverse movement motor 613, thereby driving the transverse movement frame 610 and the scanning ring 500 to move synchronously, and further driving the position adjustment of the scanning ring 500 in the horizontal direction.

[0077] In a preferred embodiment, as Figures 5 to 7 shown, a transverse movement driving wheel 614 is fixedly arranged on the power output shaft of the transverse movement motor 613, a transverse movement driven wheel 615 is fixedly arranged on the transverse movement main shaft 611, and a transverse movement driving belt 617 is wound between the transverse movement driving wheel 614 and the transverse movement driven wheel 615.

[0078] It can be understood that when the transverse movement driving wheel 614 rotates, it can drive the transverse movement main shaft 611 and the transverse movement driven wheel 615 to rotate synchronously through the transverse movement driving belt 617.

[0079] In a preferred embodiment, as Figure 3 shown, two parallel transverse movement main shafts 611 are rotatably provided on the mounting frame 110. Transverse movement driven wheels 615 are respectively fixedly provided on the two transverse movement main shafts 611. A transverse movement drive belt 617 is wound between the transverse movement drive wheel 614 and the two transverse movement driven wheels 615.

[0080] In a preferred embodiment, as Figure 5 、 Figure 6 shown, at least one transverse movement idler wheel 616 is rotatably provided on the mounting frame 110.

[0081] Among them, the transverse movement drive belt 617 is wound between the transverse movement drive wheel 614, the transverse movement driven wheels 615 and the transverse movement idler wheel 616.

[0082] It can be understood that the transverse movement idler wheel 616 can improve the transmission stability of the transverse movement drive belt 617, reduce the shaking caused by the too long suspended part of the transverse movement drive belt 617, and improve the accuracy of the transverse movement control of the scanning ring 500.

[0083] In a preferred embodiment, as Figures 1 to 4 、 Figures 18 to 22 shown, the telescopic unit includes a telescopic bracket and a telescopic drive mechanism 620 for driving the telescopic bracket to perform telescopic actions.

[0084] Among them, the fixed end of the telescopic bracket is installed on the transverse movement frame 610, the scanning ring 500 is rotatably provided on the telescopic end of the telescopic bracket, and the rotating unit is fixedly provided on the telescopic end of the telescopic bracket.

[0085] In a preferred embodiment, as Figures 1 to 4 、 Figure 8 、 Figure 10 、 Figure 11 、 Figures 13 to 15 、 Figures 18 to 22 shown, the telescopic drive mechanism 620 includes a lifting shaft 623 rotatably provided at the fixed end of the telescopic bracket and a telescopic drive motor fixedly provided at the fixed end of the telescopic bracket.

[0086] Among them, the telescopic end of the telescopic bracket is threadedly connected to the lifting shaft 623, the telescopic drive motor is coupled to the lifting shaft 623, and can drive the lifting shaft 623 to rotate on the fixed end of the telescopic bracket.

[0087] It can be understood that when the telescopic drive motor drives the lifting shaft 623 to rotate, the telescopic end of the telescopic bracket can move axially along the lifting shaft 623, so as to realize the movement of the telescopic end of the telescopic bracket relative to the fixed end, and further realize the position adjustment of the scanning ring 500 in the vertical direction.

[0088] In a preferred embodiment, as Figures 1 to 4 , Figure 8 , Figure 10 , Figure 11 , Figures 13 to 15 , Figures 18 to 22 shown, a drive shaft 622 is rotatably provided on the fixed end of the telescopic bracket, and the central axis of the drive shaft 622 is located on a horizontal plane and is perpendicular to the central axis of the lifting shaft 623.

[0089] Among them, the power output shaft of the telescopic drive motor is parallel to the central axis of the lifting shaft 623, and the drive shaft 622 is coupled to the power output shaft of the telescopic drive motor through a drive adapter 624 and is coupled to the lifting shaft 623 through a transition adapter 625.

[0090] It can be understood that when the power output shaft of the telescopic drive motor rotates, it can drive the drive shaft 622 to rotate through the drive adapter 624, and the drive shaft 622 further drives the lifting shaft 623 to rotate through the transition adapter 625, so as to realize the position adjustment of the scanning ring 500 in the vertical direction.

[0091] In a preferred embodiment, as Figures 1 to 4 , Figures 8 to 15 , Figures 18 to 22 shown, the rotating unit includes a rotation drive motor 661 and a transmission seat body 666 fixedly arranged on the telescopic end of the telescopic bracket, and a driven lead screw 664 rotatably provided on the transmission seat body 666 and coupled to the power output shaft of the rotation drive motor 661.

[0092] The rotating unit further includes a half gear member 667 rotatably arranged on the telescopic end of the telescopic bracket, a transfer fixing plate 668 is fixedly connected to the half gear member 667, and the scanning ring 500 is fixedly arranged on the transfer fixing plate 668.

[0093] Among them, the central axis of the driven lead screw 664 is perpendicular to the predetermined axis, and the outer tooth surface of the half gear member 667 is meshed with the driven lead screw 664.

[0094] It can be understood that when the rotation drive motor 661 drives the driven lead screw 664 to rotate, the driven lead screw 664 can drive the half gear member 667 to rotate, so as to drive the scanning ring 500 to rotate relative to the telescopic bracket.

[0095] It should be noted that the setting form of the rotation unit is not limited to the above one. For example, it can also be set to have a gear member meshing with the outer tooth surface of the half gear member 667 on the power output shaft of the rotation drive motor 661, that is, directly driving the half gear member 667 to rotate through the rotation drive motor 661. However, in this setting form, the rotation drive motor 661 is subject to a large load. By arranging the driven lead screw 664 perpendicular to the rotation axis of the scanning ring 500, the supporting ability for the scanning ring 500 can be improved. Moreover, the meshing and matching form between the driven lead screw 664 and the half gear member 667 can be set with a self-locking structure, further improving the rotation adjustment reliability of the scanning ring 500.

[0096] In a preferred embodiment, as Figures 1 to 4 、 Figures 8 to 15 、 Figures 18 to 22 shown, a rotation drive wheel 662 is fixedly provided on the power output shaft of the rotation drive motor 661, a driven drive wheel 665 is fixedly provided on the driven lead screw 664, and a rotation transmission belt 663 is wound between the rotation drive wheel 662 and the driven drive wheel 665.

[0097] It can be understood that when the rotation drive motor 661 drives the rotation drive wheel 662 to rotate, it can drive the driven lead screw 664 to rotate synchronously through the rotation transmission belt 663.

[0098] In a preferred embodiment, as Figure 11 shown, two limiting members 669 are fixedly provided on the half gear member 667, and the two limiting members 669 can respectively abut against the transmission seat body 666 when the half gear member 667 rotates to limit the rotation angle range of the scanning ring 500.

[0099] It can be understood that the rotation limiting structure of the scanning ring 500 is not limited to the above one, as long as it can satisfy the angular rotation of the scanning ring 500 within a predetermined range, which will not be elaborated here.

[0100] In a preferred embodiment, as Figure 1 、 Figure 2 、 Figures 13 to 15 、 Figures 18 to 22 shown, the fixed end of the telescopic support is rotatably provided on the transverse movement frame 610, and the adjustment unit further includes a yaw drive assembly 900 for adjusting the rotation angle of the telescopic support relative to the transverse movement frame 610.

[0101] It can be understood that after adjusting the relative angle between the telescopic support and the transverse movement frame 610 through the yaw drive assembly 900, the scanning ring 500 can be driven to yaw synchronously. Through the yaw of the scanning ring 500, the central axis of the scanning ring 500 can form an angle with the horizontal plane, so as to be applicable to the inclined sitting posture of the patient, further improving the practicability of the CT scanning system.

[0102] In a preferred embodiment, as Figure 1 , Figure 2 , Figures 18 to 22 shown, at least one positioning device 400 is further fixedly provided on the bottom plate 100.

[0103] It can be understood that the positioning device 400 is used for scanning and positioning the patient in the lying position.

[0104] In a preferred embodiment, as Figure 1 , Figure 2 , Figures 18 to 22 shown, the examination bed assembly 200 includes a bed body driving assembly 210 and a bed board main body 220 fixedly arranged on the action execution end of the bed body driving assembly 210. The bed body driving assembly 210 can drive the bed board main body 220 to rotate on the horizontal plane.

[0105] The examination seat assembly 300 includes a seat driving assembly 310 and a seat main body 320 fixedly arranged on the action execution end of the seat driving assembly 310. The seat driving assembly 310 can drive the seat main body 320 to traverse in a predetermined direction.

[0106] Wherein, the predetermined direction is specifically set to be perpendicular to the traversing direction of the scanning ring 500.

[0107] As Figures 18 to 20 shown, when performing the lying position detection, the bed board main body 220 rotates to extend along the traversing direction of the scanning ring 500, the seat main body 320 traverses to deviate from the traversing track of the scanning ring 500, and the scanning ring 500 is in the horizontal detection state, that is, the central axis matches the extending direction of the bed board main body 220. The telescopic bracket extends so that the scanning ring 500 corresponds to the position of the bed board main body 220. At the same time, the traversing assembly drives the traversing frame 610 to horizontally traverse, thereby driving the scanning ring 500 to pass through the bed board main body 220 to realize the detection action on the patient;

[0108] As Figure 21 , Figure 22 shown, when performing the standing position detection, the bed board main body 220 rotates to be perpendicular to the traversing direction of the scanning ring 500, the seat main body 320 traverses to the traversing track of the scanning ring 500, and the scanning ring 500 is in the longitudinal detection state, that is, the central axis matches the extending direction of the patient's body on the seat main body 320. At the same time, the traversing assembly drives the traversing frame 610 to horizontally traverse, so that the scanning ring 500 moves to the corresponding position of the seat main body 320, and then the telescopic bracket extends, driving the scanning ring 500 to pass through the seat main body 320 to realize the detection action on the patient.

[0109] In the embodiments of the present application, by using the above CT scanning system, through the orientation adjustment of the bedplate main body 220 and the seat main body 320 in different detection states, it is possible to provide an avoidance space for the lateral movement, lifting, and angle adjustment of the scanning ring 500, improve the space utilization rate, and is conducive to further reducing the occupied volume of the scanning system, enabling it to be applied to a standard scanning room.

[0110] In a preferred embodiment, as Figure 23 shown, it further includes a warning unit 510 for safely monitoring the detection states between the scanning ring 500 and the patient.

[0111] It can be understood that the warning unit 510 can be set as a visual monitoring device with a monitoring plane, which can be fixedly arranged at the telescopic end of the telescopic bracket, so as to maintain the relative position with the scanning ring 500. The monitoring plane can be set as the end face of the scanning ring 500 close to the patient, so as to monitor the penetration of the scanning ring 500, or the monitoring plane can be set as the axial extension plane of the cavity of the scanning ring 500, so as to monitor whether there will be position interference on the moving path of the scanning ring 500, ensure the safety of the scanning ring 500 during operation, and avoid harm to the patient.

[0112] In a preferred embodiment, the scanning ring 500 adopts the scanning ring structure in a Chinese patent with the publication number CN114631836B, a mobile rail CT, for example, the inside of the scanning ring 500 can include a rotor assembly and a stator assembly, and a rotor drive assembly is arranged between the rotor assembly and the stator assembly.

[0113] Or the matching structure between the scanning ring 500 and the telescopic bracket adopts the relevant technologies in the above patent. For example, components such as a control box, an operation panel, a cable rope, a cable handle, a cable hook, a camera, and a scanning radar can be arranged inside the telescopic bracket.

[0114] Of course, the structure of the scanning ring 500 in this embodiment is not limited to the above one, as long as it can achieve CT detection of the patient, which will not be elaborated here.

[0115] Embodiment 2

[0116] As Figures 1 to 23 shown, the embodiments of the present application provide a CT scanning device for multi-plane imaging, which can be applied to the CT scanning system in Embodiment 1 above, including a scanning ring 500, a lateral movement frame 610, a cantilever member 630, and a telescopic drive mechanism 620 for driving the cantilever member 630 to perform telescopic actions.

[0117] The cantilever member 630 includes two rotating swing arms 631 that are symmetrically arranged about the central axis of the scanning ring 500 and are respectively rotatably connected to the traversing frame 610. An extendable swing arm 632 is telescopically provided on the rotating swing arm 631. The scanning ring 500 is rotatably arranged between the two extendable swing arms 632. There are two sets of rotating units which are respectively fixedly arranged on the two extendable swing arms 632.

[0118] Wherein, it further includes a yaw drive assembly 900 for adjusting the rotation angle of the rotating swing arm 631 relative to the traversing frame 610, a rotating unit for driving the scanning ring 500 to rotate relative to the extendable swing arm 632, and a telescopic drive mechanism 620 for driving the extendable swing arm 632 to perform a telescopic action relative to the rotating swing arm 631.

[0119] It can be understood that, as Figure 23 shown, when performing the lying posture detection, the telescopic drive mechanism 620 drives the scanning ring 500 to lift and lower until it is aligned with the patient in the horizontal direction, and at the same time rotates the scanning ring 500 along a predetermined axis until the central axis is horizontal. Finally, the adjustment assembly drives the scanning ring 500 to pass through the patient to complete the detection action; when performing the standing posture detection, the adjustment assembly drives the scanning ring 500 to move until it is longitudinally aligned with the patient, the scanning ring 500 rotates along a predetermined axis until the central axis is perpendicular to the ground, and the telescopic drive mechanism 620 drives the scanning ring 500 to lift and lower through the patient to be detected to complete the detection action.

[0120] In the embodiment of the present application, the above-mentioned CT scanning device for multi-planar imaging is adopted. It uses a double-arm suspension bracket structure. Through the linear expansion and contraction of the extendable swing arm 632 relative to the rotating swing arm 631, combined with the adjustment of the yaw angle of the cantilever member 630 and the rotation angle of the scanning ring 500, it can achieve a rapid switch between the standing posture and the lying posture detection requirements, which is beneficial to the miniaturization of the scanning device, as well as the improvement of multi-position compatibility, imaging quality, and operation efficiency.

[0121] In a preferred embodiment, as Figures 1 to 4 、 Figure 8 、 Figure 10 、 Figures 13 to 15 、 Figures 18 to 22 shown, a drive bracket 621 is fixedly arranged between the two rotating swing arms 631. The telescopic drive mechanism 620 includes a lifting shaft 623 rotatably arranged on the rotating swing arm 631 and a telescopic drive motor fixedly arranged on the drive bracket 621.

[0122] Wherein, the extendable swing arm 632 is threadedly connected to the lifting shaft 623, and the telescopic drive motor is coupled to the lifting shaft 623 and can drive the lifting shaft 623 to rotate on the rotating swing arm 631.

[0123] It can be understood that when the telescopic drive motor drives the lifting shaft 623 to rotate, the telescopic swing arm 632 can move axially along the lifting shaft 623, so as to realize the movement of the telescopic swing arm 632 relative to the rotating swing arm 631, and further realize the position adjustment of the scanning ring 500 in the vertical direction.

[0124] In a preferred embodiment, as Figures 1 to 4 、 Figure 8 、 Figure 10 、 Figures 13 to 15 、 Figures 18 to 22 shown, a drive shaft 622 is rotatably provided on the drive bracket 621, and the central axis of the drive shaft 622 is located on a horizontal plane and is perpendicular to the central axis of the lifting shaft 623.

[0125] Among them, the power output shaft of the telescopic drive motor is parallel to the central axis of the lifting shaft 623. The drive shaft 622 is coupled to the power output shaft of the telescopic drive motor through a drive adapter 624 and is coupled to two lifting shafts 623 through two transition adapters 625 respectively.

[0126] It can be understood that when the power output shaft of the telescopic drive motor rotates, it can drive the drive shaft 622 to rotate through the drive adapter 624, and the drive shaft 622 further drives the lifting shaft 623 to rotate through the transition adapter 625, so as to realize the position adjustment of the scanning ring 500 in the vertical direction.

[0127] In a preferred embodiment, as Figures 1 to 4 、 Figure 8 、 Figure 10 、 Figures 13 to 15 、 Figures 18 to 22 shown, it further includes a failure self-locking device for restricting the relative movement between the telescopic swing arm 632 and the rotating swing arm 631.

[0128] It can be understood that when the telescopic drive motor fails or loses power, since the telescopic swing arm 632 is connected to the scanning ring 500 and realizes telescoping through the lifting shaft 623, when the lifting shaft 623 loses rotational limit, the telescopic swing arm 632 will descend under the action of gravity, posing a great safety hazard. Through the failure self-locking device, the extending action of the telescopic swing arm 632 relative to the rotating swing arm 631 can be restricted under this working condition, so as to ensure the position locking of the scanning ring 500, avoid harm to the patient, and improve the safety of the scanning device.

[0129] In a preferred embodiment, as Figures 1 to 4 、 Figure 8 、 Figure 10 、 Figures 12 to 15 、 Figures 18 to 22As shown in the figure, the failure self-locking device includes a fixing plate 830 and a supporting seat 850 fixedly arranged on the driving bracket 621. A locking rotating shaft 810 is rotatably arranged on the supporting seat 850. A locking wheel 840 is fixedly arranged on the locking rotating shaft 810. A driving wheel 626 is fixedly arranged on the driving shaft 622. A linkage belt 880 is wound between the locking wheel 840 and the driving wheel 626.

[0130] Wherein, a limiter 820 is fixedly arranged between the locking rotating shaft 810 and the fixing plate 830. In the power-off state, the limiter 820 can limit the rotation of the locking rotating shaft 810 relative to the fixing plate 830, thereby limiting the relative movement between the telescopic swing arm 632 and the rotating swing arm 631.

[0131] In a preferred embodiment, in the power-off state, the limiter 820 can limit the one-way rotation of the locking rotating shaft 810 relative to the fixing plate 830, thereby limiting the extending action of the telescopic swing arm 632 relative to the rotating swing arm 631.

[0132] In a preferred embodiment, the limiter 820 is specifically set as an electromagnetic ratchet pawl structure, that is, an elastic electromagnetic pawl member is fixedly arranged on the fixing plate 830, and a ratchet member is arranged on the locking rotating shaft 810. When in the power-off state, the elastic electromagnetic pawl member is powered off and meshes with the ratchet member under the action of its own elastic force, thereby realizing the one-way braking of the locking rotating shaft 810 relative to the fixing plate 830; in the normal working state, the elastic electromagnetic pawl member is powered on and disengages from the ratchet member under the action of magnetic force, so as not to interfere with the rotation of the driving shaft 622.

[0133] It can be understood that the setting form of the failure self-locking device is not limited to the above one. For example, a clutch or other forms of self-locking structures can also be adopted, as long as the failure protection between the rotating swing arm 631 and the telescopic swing arm 632 can be ensured, which will not be elaborated here.

[0134] In a preferred embodiment, as Figures 1 to 4 、 Figure 8 、 Figure 10 、 Figures 12 to 15 、 Figures 18 to 22 shown in the figure, it further includes a manual failure backup component for manually controlling the telescopic movement of the telescopic swing arm 632 relative to the rotating swing arm 631.

[0135] It can be understood that when the telescopic driving motor fails or loses power, the failure self-locking device starts and limits the one-way rotation of the locking rotating shaft 810 relative to the fixing plate 830, thereby limiting the extending action of the telescopic swing arm 632 relative to the rotating swing arm 631. At this time, the manual failure backup component can be used to control the retraction of the rotating swing arm 631 relative to the telescopic swing arm 632, so as to move the scanning ring 500 to the non-working area and improve the overall safety redundancy of the device.

[0136] In a preferred embodiment, as Figures 1 to 4 , Figures 8 to 10 , Figures 12 to 15 , Figures 18 to 22 shown, the manual failure backup component includes an engagement shaft 710 arranged in parallel with the drive shaft 622, and an adjustment shaft 730 rotatably arranged on the rotating swing arm 631 and parallel to the lifting shaft 623.

[0137] An engagement wheel 720 is fixedly provided on the engagement shaft 710. A linkage belt 880 is wound between the drive wheel 626, the locking wheel 840, and the engagement wheel 720. One end of the adjustment shaft 730 away from the telescopic swing arm 632 is coupled to the engagement shaft 710 through an adjustment adapter 731.

[0138] Wherein, the manual failure backup component further includes a hand crank member 732. The hand crank member 732 is detachably connected to one end of the adjustment shaft 730 away from the adjustment adapter 731 and is used to manually drive the adjustment shaft 730 to rotate.

[0139] In a preferred embodiment, as Figure 12 shown, at least one linkage shaft 860 is rotatably provided on the drive bracket 621, and a linkage wheel 870 is fixedly provided on the linkage shaft 860.

[0140] Wherein, the linkage belt 880 is wound between the drive wheel 626, the locking wheel 840, the engagement wheel 720, and the linkage wheel 870.

[0141] It can be understood that the structural setting form of the manual failure backup component is not limited to the above one. Through the cooperation of the detachable hand crank member 732 and the adjustment shaft 730, it is convenient for the staff to operate, and can quickly adjust the position of the scanning ring 500 after the telescopic drive motor fails or power off, ensuring the safety performance of the device.

[0142] In a preferred embodiment, as Figures 1 to 3 , Figure 8 , Figures 12 to 15 , Figures 18 to 22 shown, an air spring device 650 is fixedly connected between the corresponding rotating swing arm 631 and the telescopic swing arm 632.

[0143] It can be understood that the air spring device 650 can balance the load between the corresponding rotating swing arm 631 and the telescopic swing arm 632, ensure that the scanning ring 500 will not fall freely in the case of the cantilever member 630 breaking, avoid harm to the patient, improve the safety of the scanning device, and at the same time buffer the relative position adjustment between the rotating swing arm 631 and the telescopic swing arm 632, improving the working stability of the device.

[0144] In a preferred embodiment, as Figure 23As shown, it further includes a warning unit 510 for safely monitoring the detection status between the scanning ring 500 and the patient.

[0145] It can be understood that the warning unit 510 can be set as a visual monitoring device with a monitoring plane, which can be fixedly arranged on the telescopic swing arm 632 to maintain the relative position with the scanning ring 500. The monitoring plane can be set as the end face of the scanning ring 500 close to the patient to monitor the penetration of the scanning ring 500, or the monitoring plane can be set as the axial extension plane of the cavity of the scanning ring 500 to monitor whether there will be position interference on the moving path of the scanning ring 500, ensuring the safety during the operation of the scanning ring 500 and avoiding harm to the patient.

[0146] In a preferred embodiment, the scanning ring 500 adopts the scanning ring structure in a Chinese patent with the publication number CN114631836B, a mobile rail CT. For example, the inside of the scanning ring 500 can include a rotor assembly and a stator assembly, and a rotor drive assembly is arranged between the rotor assembly and the stator assembly.

[0147] Or the cooperation structure between the scanning ring 500 and the cantilever member 630 adopts the relevant technologies in the above patent. For example, components such as a control box, an operation panel, a cable rope, a cable handle, a cable hook, a camera, and a scanning radar can be arranged inside the cantilever member 630.

[0148] Certainly, the structure of the scanning ring 500 in this embodiment is not limited to the above one, as long as it can realize the CT detection of the patient, which will not be elaborated here.

[0149] Embodiment 3

[0150] As Figures 1 to 23 shown, the embodiment of the present application provides a CT scanning device, which can be applied to the CT scanning system in the above Embodiment 1, including a scanning ring 500, a transverse movement frame 610, and a telescopic support. The fixed end of the telescopic support is rotatably arranged on the transverse movement frame 610, and the scanning ring 500 is rotatably arranged on the telescopic end of the telescopic support.

[0151] It further includes a yaw drive assembly 900 for adjusting the rotation angle of the telescopic support relative to the transverse movement frame 610. The yaw drive assembly 900 includes a yaw drive shaft 920, a sliding table 930, and a driven adapter. The yaw drive shaft 920 is rotatably arranged on the transverse movement frame 610, the sliding table 930 is slidably arranged on the fixed end of the telescopic support, the driven adapter is rotatably connected to the sliding table 930, and is threadedly connected to the yaw drive shaft 920.

[0152] Among them, the central axis of the yaw drive shaft 920 is located on the horizontal plane and extends along the yaw direction of the telescopic bracket, and the sliding direction of the sliding table 930 is parallel to the telescopic direction of the telescopic bracket.

[0153] It can be understood that when the yaw drive shaft 920 rotates relative to the transverse carriage 610, the driven adapter moves axially along the yaw drive shaft 920 under the action of the thread. As the driven adapter moves, the telescopic bracket yaws relative to the transverse carriage 610, and at the same time the sliding table 930 slides relative to the fixed end of the telescopic bracket, so as to adapt to the relative position change between the telescopic bracket and the driven adapter.

[0154] In the embodiment of the present application, by adopting the above CT scanning device, by setting the yaw drive assembly 900 as a transverse drive structure, the telescopic axis of the telescopic bracket forms an angle with the central axis of the yaw drive shaft 920, so that the load center can directly act on the axial direction of the yaw drive shaft 920. Compared with the traditional rotary drive scheme, it can effectively improve the anti-overturning moment and bearing capacity of the telescopic bracket in the yaw state, and ensure the support stability and scanning accuracy of the tilt scanning ring 500.

[0155] In a preferred embodiment, as Figures 1 to 5 、 Figures 13 to 22 shown, two yaw drive shafts 920 are rotatably arranged on the transverse carriage 610, and the two yaw drive shafts 920 are symmetrically arranged with respect to the central axis of the scanning ring 500.

[0156] In a preferred embodiment, with the telescopic bracket in the vertical state as the reference benchmark, the yaw angle of the telescopic bracket relative to the transverse carriage 610 is specifically set to ±15°.

[0157] It should be noted that the yaw angle range of the telescopic bracket relative to the transverse carriage 610 can depend on the moving stroke of the driven adapter on the yaw drive shaft 920, that is, the maximum yaw angles respectively correspond to the two stroke endpoints of the driven adapter on the yaw drive shaft 920.

[0158] Of course, the yaw angle range of the telescopic bracket relative to the transverse carriage 610 can also be set to be controlled by the rotation of the yaw drive shaft 920, that is, a sensor is used to monitor the yaw angle of the telescopic bracket relative to the transverse carriage 610, and the rotation of the yaw drive shaft 920 is restricted when the predetermined angle is reached, so as to realize the control of the yaw angle of the telescopic bracket relative to the transverse carriage 610.

[0159] As Figure 13 shown, the telescopic bracket is in the extended state, and the scanning ring 500 is in the transverse detection state, that is, the central axis matches the body extension direction of the patient in the lying position state. The telescopic bracket is in the yaw state relative to the transverse carriage 610, and the yaw angle is 15°.

[0160] As shown Figure 14 , Figure 15 shown, the telescopic support is in the extended state, and the scanning ring 500 is in the longitudinal detection state, that is, the central axis matches the body extension direction of the patient in the standing position (standing or sitting position). The telescopic support is in a yaw state relative to the transverse movement frame 610, and the yaw angle is 15°.

[0161] It can be understood that by the yaw angle of the telescopic support relative to the transverse movement frame 610, combined with the rotation angle of the scanning ring 500 relative to the telescopic support, it is possible to achieve tilt detection at a certain angle with respect to the horizontal or vertical direction, so as to cope with the detection when the body of the patient has an angle in the standing or lying position, and improve the overall applicability of the device.

[0162] In a preferred embodiment, as Figures 1 to 4 , Figures 13 to 22 shown, the driven adapter includes a transverse movement screw block 940 threadedly connected to the yaw drive shaft 920, and a fixed block 950 fixedly connected to the transverse movement screw block 940 and rotatably connected to the sliding table 930.

[0163] In a preferred embodiment, as Figure 16 shown, a yaw guide rail 970 parallel to the central axis of the yaw drive shaft 920 is fixedly provided on the transverse movement frame 610, and a second driven slider 960 slidably connected to the yaw guide rail 970 is fixedly provided on the driven adapter.

[0164] It can be understood that by the sliding guidance between the second driven slider 960 and the yaw guide rail 970, the movement stability of the driven adapter can be improved, thereby improving the yaw adjustment accuracy of the scanning ring 500.

[0165] It should be noted that the guiding structure of the driven adapter is not limited to the above one. For example, a guide rod slidably connected to the fixed block 950 is provided on the transverse movement frame 610, as long as it can guide the translation of the driven adapter along the axial direction of the yaw drive shaft 920, which will not be elaborated here.

[0166] In a preferred embodiment, as Figure 8 , Figure 10 shown, a sliding guide rail 931 is fixedly provided on the fixed end of the telescopic support, and a first driven slider 932 slidably connected to the sliding guide rail 931 is fixedly provided on the sliding table 930.

[0167] Among them, the extending direction of the sliding guide rail 931 is parallel to the telescopic direction of the telescopic support.

[0168] In a preferred embodiment, it further includes a yaw drive assembly for driving the yaw drive shaft 920 to rotate relative to the transverse movement frame 610.

[0169] In a preferred embodiment, as Figures 1 to 5 , Figures 13 to 22 shown, the yaw drive assembly includes a yaw motor 910 fixedly arranged on the traverse frame 610, and the power output shaft of the yaw motor 910 is coupled to the yaw drive shaft 920.

[0170] In a preferred embodiment, as Figures 1 to 5 , Figures 13 to 22 shown, a yaw transmission wheel 980 is fixedly arranged on the yaw drive shaft 920, a yaw power wheel 911 is fixedly arranged on the power output shaft of the yaw motor 910, and a yaw transmission belt 990 is wound between the yaw transmission wheel 980 and the yaw power wheel 911.

[0171] It can be understood that when the yaw motor 910 drives the yaw power wheel 911 to rotate, it can drive the yaw transmission wheel 980 and the yaw drive shaft 920 to rotate synchronously through the yaw transmission belt 990, so as to realize the yaw control of the telescopic bracket.

[0172] In a preferred embodiment, as Figures 1 to 5 , Figures 13 to 22 shown, it further includes an auxiliary guide wheel assembly arranged between the yaw power wheel 911 and the yaw transmission wheel 980.

[0173] In a preferred embodiment, as Figures 1 to 5 , Figures 13 to 22 shown, the auxiliary guide wheel assembly includes a first tension wheel 981 rotatably arranged on the traverse frame 610, the central axis of the first tension wheel 981 is parallel to the yaw drive shaft 920, and the scanning ring 500 is symmetric about the central axis of the first tension wheel 981.

[0174] Wherein, the yaw transmission belt 990 is wound between the yaw transmission wheel 980, the first tension wheel 981 and the yaw power wheel 911.

[0175] In a preferred embodiment, as Figures 1 to 5 , Figures 13 to 22 shown, the auxiliary guide wheel assembly further includes two groups of second tension wheels 982 rotatably arranged on the traverse frame 610, the central axes of the second tension wheels 982 are on the same horizontal plane as the central axis of the first tension wheel 981, and the yaw transmission belt 990 is wound between the yaw transmission wheel 980, the first tension wheel 981, the second tension wheels 982 and the yaw power wheel 911.

[0176] In a preferred embodiment, as Figures 1 to 5 , Figures 13 to 22 shown, each group of second tension wheels 982 includes at least one second tension wheel 982.

[0177] In a preferred embodiment, asFigures 1 to 5 , Figures 13 to 22 As shown, two sets of second tension wheels 982 are symmetrically arranged about the central axis of the first tension wheel 981.

[0178] In a preferred embodiment, as Figures 1 to 5 , Figures 13 to 22 shown, the auxiliary guide wheel assembly further includes at least one third tension wheel 983 rotatably arranged on the transverse movement frame 610, and the yaw drive belt 990 is wound around the yaw drive wheel 980, the first tension wheel 981, the second tension wheel 982, the third tension wheel 983, and the yaw power wheel 911.

[0179] It can be understood that the setting form of the auxiliary guide wheel assembly is not limited to the above one, as long as the power transmission between the yaw power wheel 911 and the yaw drive shaft 920 can be achieved, which will not be elaborated here.

[0180] In a preferred embodiment, as Figures 1 to 5 , Figures 13 to 22 shown, it further includes a yaw angle sensing device 640 for monitoring the yaw angle of the telescopic bracket relative to the transverse movement frame 610.

[0181] In a preferred embodiment, the yaw angle sensing device 640 is specifically set as an angle encoder, and the angle encoder is arranged at the corresponding position of the rotating shaft between the telescopic bracket and the transverse movement frame 610.

[0182] It can be understood that the setting form of the yaw angle sensing device 640 is not limited to the above one. For example, the yaw angle of the telescopic bracket can also be directly calculated by monitoring the relative position of the driven fitting on the yaw drive shaft 920, as long as the yaw angle monitoring of the telescopic bracket can be achieved, which will not be elaborated here.

[0183] In a preferred embodiment, as Figures 1 to 22 shown, it further includes a rotating unit for driving the scanning ring 500 to rotate relative to the telescopic end of the telescopic bracket, and / or a telescopic drive mechanism 620 for driving the telescopic bracket to perform telescopic actions.

[0184] In a preferred embodiment, the rotation angle range of the scanning ring 500 relative to the telescopic end of the telescopic bracket is specifically set to be greater than 90°.

[0185] Among them, the scanning ring 500 can rotate along a predetermined axis to make the central axis in a horizontal or vertical state.

[0186] It can be understood that through the yaw control of the telescopic bracket by the yaw drive assembly 900 and the rotation control of the scanning ring 500 by the rotating unit, the scanning operation of patients in different postures can be adapted, greatly improving the practicability of the scanning device.

[0187] In a preferred embodiment, as Figure 23 shown, it further includes a warning unit 510 for safely monitoring the detection status between the scanning ring 500 and the patient.

[0188] It can be understood that the warning unit 510 can be set as a visual monitoring device with a monitoring plane, which can be fixedly arranged at the telescopic end of the telescopic bracket, so as to maintain the relative position with the scanning ring 500. The monitoring plane can be set as the end face of the scanning ring 500 close to the patient, so as to monitor the penetration of the scanning ring 500, or the monitoring plane can be set as the axial extension plane of the cavity of the scanning ring 500, so as to monitor whether there will be position interference on the moving path of the scanning ring 500, ensure the safety of the scanning ring 500 during operation, and avoid harm to the patient.

[0189] In a preferred embodiment, the scanning ring 500 adopts the scanning ring structure in a Chinese patent with the publication number CN114631836B, a mobile rail CT, for example, the inside of the scanning ring 500 can include a rotor assembly and a stator assembly, and a rotor drive assembly is arranged between the rotor assembly and the stator assembly.

[0190] Or the cooperation structure between the scanning ring 500 and the telescopic bracket adopts the relevant technologies in the above patent. For example, components such as a control box, an operation panel, a cable rope, a cable handle, a cable hook, a camera, and a scanning radar can be arranged inside the telescopic bracket.

[0191] Of course, the structure of the scanning ring 500 in this embodiment is not limited to the above one, as long as it can achieve CT detection of the patient, which will not be elaborated here.

[0192] It should be noted that in this article, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "including one..." does not exclude the existence of additional identical elements in the process, method, article or device including that element. In addition, it should be pointed out that the scope of the methods and devices in the embodiments of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in the reverse order according to the functions involved. For example, the described methods may be performed in an order different from that described, and various steps may be added, omitted, or combined. In addition, the features described with reference to certain examples may be combined in other examples.

[0193] The embodiments of the present application have been described above in conjunction with the accompanying drawings. However, the present application is not limited to the above specific embodiments. The above specific embodiments are merely illustrative and not restrictive. Under the inspiration of the present application, those of ordinary skill in the art can also make many forms without departing from the purpose of the present application and the scope protected by the claims, and all of them fall within the protection scope of the present application.

Claims

1. A CT scanning device, characterized in that, Comprising: A lateral movement frame; A telescopic support, with its fixed end rotatably arranged on the lateral movement frame and its telescopic end rotatably connected to the scanning ring; A yaw drive assembly for adjusting the rotation angle of the telescopic support relative to the lateral movement frame; Wherein, the yaw drive assembly includes a yaw drive shaft, a sliding table, and a driven adapter; The yaw drive shaft is rotatably arranged on the lateral movement frame, the sliding table is slidably arranged on the fixed end of the telescopic support, the driven adapter is rotatably connected to the sliding table and is threadedly connected to the yaw drive shaft; The central axis of the yaw drive shaft is located on a horizontal plane and extends along the yaw direction of the telescopic support, and the sliding direction of the sliding table is parallel to the telescopic direction of the telescopic support.

2. The CT scanning device according to claim 1, characterized in that, There are two yaw drive shafts rotatably arranged on the lateral movement frame, and the two yaw drive shafts are symmetrical about the central axis of the scanning ring.

3. A CT scanning device according to claim 1 or 2, characterized in that, Taking the telescopic support in the vertical state as a reference, the yaw angle of the telescopic support relative to the lateral movement frame is specifically set to ±15°; And / or, the rotation angle range of the scanning ring relative to the telescopic end of the telescopic support is specifically set to be greater than 90°, and the scanning ring can rotate to a state where its central axis is horizontal or vertical.

4. A CT scanning device according to claim 1, characterized in that, The driven adapter includes a transverse movement screw block threadedly connected to the yaw drive shaft and a fixed block fixedly connected to the transverse movement screw block and rotatably connected to the sliding table.

5. A CT scanning device according to claim 4, characterized in that, A yaw guide rail parallel to the central axis of the yaw drive shaft is fixedly arranged on the lateral movement frame, and a driven slider slidably connected to the yaw guide rail is fixedly arranged on the driven adapter.

6. A CT scanning device according to claim 1, characterized in that, A sliding guide rail is fixedly arranged on the fixed end of the telescopic support, and a driven slider slidably connected to the sliding guide rail is fixedly arranged on the sliding table; Wherein, the extending direction of the sliding guide rail is parallel to the telescopic direction of the telescopic support.

7. A CT scanning device according to claim 1, wherein, It further includes a yaw drive assembly for driving the yaw drive shaft to rotate relative to the lateral movement frame.

8. A CT scanning device according to claim 7, wherein, The yaw drive assembly includes a yaw motor fixedly arranged on the lateral movement frame, and the power output shaft of the yaw motor is coupled to the yaw drive shaft.

9. A CT scanning device according to claim 8, wherein, A yaw transmission wheel is fixedly arranged on the yaw drive shaft, a yaw power wheel is fixedly arranged on the power output shaft of the yaw motor, and a yaw transmission belt is wound between the yaw transmission wheel and the yaw power wheel; Or, it further includes an auxiliary guide wheel assembly arranged between the yaw power wheel and the yaw transmission wheel, the auxiliary guide wheel assembly includes at least one tensioning wheel, and the yaw transmission belt is wound between the yaw transmission wheel, the tensioning wheel, and the yaw power wheel.

10. A CT scanning device according to claim 1, characterized in that, It further includes a yaw angle sensing device for monitoring the yaw angle of the telescopic support relative to the lateral movement frame; And / or, it further includes a rotation unit for driving the scanning ring to rotate relative to the telescopic end of the telescopic support; And / or, it further includes a telescopic drive mechanism for driving the telescopic support to perform telescopic actions.

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