Detection apparatus and medical imaging system

Abstract

The present application is a detection apparatus. The detection apparatus includes: a wall stand extending in a first direction; a connecting arm extending in a second direction, where one end of the connecting arm is connected to the wall stand; and a detector assembly connected to the other end of the connecting arm, where the detector assembly includes: a housing; a detector disposed in the housing; and a first driving mechanism connected to the detector, where the first driving mechanism drives the detector to move inside the housing to adjust the position of the detector in the housing.

Description

Docket No. 701819-WO-2DETECTION APPARATUS AND MEDICAL IMAGING SYSTEMCROSS-REFERENCE TO RELATED APPLICATIONS

[0001] This application is based on and claims priority to Chinese Application No.202411113419.8, filed on August 14, 2024, the entire contents of which is herein incorporated by reference.TECHNICAL FIELD

[0002] Embodiments of the present application relate to the technical field of medical imaging, and in particular, to a detection apparatus and a medical imaging system.BACKGROUND

[0003] In medical imaging systems, X-rays emitted from an X-ray source are directed at a subject under examination and are received by a detector after passing through the subject under examination. The detector is divided into a matrix of discrete elements (such as pixels). The detector elements are read to produce an output signal on the basis of the amount or intensity of radiation impinging on each pixel region. The signal is processed to produce a medical image of the subject under examination.

[0004] More information can be obtained by performing image processing (for example, post-processing) on the medical image. For example, the processing on the medical image includes processing in which a two-dimensional image is converted into a three-dimensional image, and the medical image that has been subjected to the image processing may be displayed on a display apparatus of the medical imaging system, so that a physician may perform operations such as rotating the three-dimensional image, straightening images of organs such as blood vessels, or measuring three-dimensional dimensions of the image.SUMMARY

[0005] When a detector is used to receive X-rays that have passed through a subject under examination, it is sometimes necessary to examine different parts of the subject underDocket No. 701819-WO-2 examination. Therefore, it is required that the position of the detector may be adjusted. In some technical solutions, the detector may be connected to a wall stand by using an arm portion, and the arm portion can move in the height direction of the wall stand, thereby driving the detector to move to adjust the position of the detector. In addition, during examination, a shielding component needs to be provided between the subject under examination and the detector to prevent the subject under examination from coming into contact with the moving detector.

[0006] The inventors of the present application have found that in the existing technical solution: to meet the requirement for the range of movement of the detector, the height of the wall stand needs to be set to be relatively high. However, it is difficult to transport and mount a tall wall stand. In addition, to prevent the tall wall stand from interfering with installations disposed on the ceiling of a scanning room, more requirements are imposed on interior space of the scanning room. For example, sufficient space needs to be reserved between the ceiling of the scanning room and the top of the wall stand to mount other installations, etc. In addition, operations such as providing a shielding board during examinations may complicate an examination procedure.

[0007] To resolve the above problems or at least similar problems, embodiments of the present application provide a detection apparatus and a medical imaging system. In the detection apparatus of the present application, a housing is connected to a wall stand by using a connecting arm, a detector is disposed in the housing, and a first driving mechanism is provided to drive the detector to move inside the housing, so that the detector may move relative to the connecting arm. The height of the wall stand may be reduced for easy transportation and mounting of the wall stand, the requirement with regard to interior space of a scanning room is low, and the housing itself can act as a shield, so that an operator does not need to provide a dedicated shielding component during examination, thus making the examination procedure simple.

[0008] According to one aspect of the embodiments of the present application, a detection apparatus is provided. The detection apparatus comprises: a wall stand extending in a first direction; a connecting arm extending in a second direction, wherein one end of the connecting arm is connected to the wall stand; and a detector assembly connected to the other end of theDocket No. 701819-WO-2 connecting arm, wherein the detector assembly comprises: a housing; a detector disposed in the housing; and a first driving mechanism connected to the detector, wherein the first driving mechanism drives the detector to move inside the housing to adjust the position of the detector in the housing.

[0009] According to another aspect of the embodiments of the present application, a medical imaging system is provided. The medical imaging system comprises the detection apparatus according to the above embodiments.

[0010] With reference to the following description and drawings, specific implementations of the embodiments of the present application are disclosed in detail, indicating the manner in which the principles of the embodiments of the present application may be employed. It should be understood that the implementations of the present application are not limited in scope thereby. Within the scope of the spirit and clauses of the appended claims, the implementations of the present application comprise many changes, modifications, and equivalents.BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The included drawings are used to provide further understanding of the embodiments of the present application, which constitute a part of the description and are used to illustrate the implementations of the present application and explain the principles of the present application together with textual description. Evidently, the drawings in the following description are merely some embodiments of the present application, and those of ordinary skill in the art may obtain other implementations based on these drawings without creative effort. In the drawings:

[0012] FIG. 1 is a schematic diagram of an X-ray imaging system according to an embodiment of the present application;

[0013] FIG. 2 is a schematic diagram of an X-ray imaging system having a movable detector;

[0014] FIG. 3 is a schematic diagram of a detection apparatus according to an embodiment of the present application;

[0015] FIG. 4 is another schematic diagram of a detection apparatus according to an embodiment of the present application;Docket No. 701819-WO-2

[0016] FIG. 5 is a schematic diagram of a detector assembly of a detection apparatus inside a housing according to an embodiment of the present application;

[0017] FIG. 6 is a schematic diagram of FIG. 5 with a connection board removed;

[0018] FIG. 7 is another schematic diagram of a detector assembly of a detection apparatus inside a housing according to an embodiment of the present application;

[0019] FIG. 8 is a side view of a detection apparatus;

[0020] FIG. 9 is a three-dimensional schematic diagram of a second driving mechanism;

[0021] FIG. 10 is a schematic diagram of a rotating bracket that rotates by a predetermined angle;

[0022] FIG. 11 is a three-dimensional schematic diagram of an internal structure near another end of a connecting arm from one perspective;

[0023] FIG. 12 is a three-dimensional schematic diagram of the internal structure near the other end of the connecting arm from another perspective;

[0024] FIG. 13 is a side view of a fourth driving mechanism;

[0025] FIG. 14 is a front view of the fourth driving mechanism;

[0026] FIG. 15 is a partial three-dimensional schematic diagram of the fourth driving mechanism;

[0027] FIG. 16 is another side view of a fourth driving mechanism according to an embodiment of the present application;

[0028] FIG. 17 is a three-dimensional schematic diagram corresponding to FIG. 16;

[0029] FIG. 18 is another three-dimensional schematic diagram of a detection apparatus according to an embodiment of the present application;

[0030] FIG. 19 is still another three-dimensional schematic diagram of a detection apparatus according to an embodiment of the present application; and

[0031] FIG. 20 is a schematic diagram of medical imaging examination using the detection apparatus according to an embodiment of the present application.Docket No. 701819-WO-2DETAILED DESCRIPTION

[0032] The aforementioned and other features of the embodiments of the present application will become apparent from the following description with reference to the drawings. In the description and drawings, specific implementations of the present application are disclosed in detail, and part of the implementations in which the principles of the embodiments of the present application may be employed are indicated. It should be understood that the present application is not limited to the described implementations. On the contrary, the embodiments of the present application include all modifications, variations, and equivalents which fall within the scope of the appended claims.

[0033] In the embodiments of the present application, the terms “first”, “second”, etc., are used to distinguish different elements from one another by title, but do not represent the spatial arrangement, temporal order, etc., of the elements, and the elements should not be limited by said terms. The term “and / or” includes any one of and all combinations of one or more associated listed terms. The terms “comprise”, “include”, “have”, etc., refer to the presence of stated features, elements, components, or assemblies, but do not exclude the presence or addition of one or more other features, elements, components, or assemblies. The terms “connect”, “connected”, “couple”, as well as other similar terms to which the embodiments of the present application relate are not limited to physical or mechanical connections, but may include electrical connections, whether directly connected or indirectly connected.

[0034] In the embodiments of the present application, the singular forms “a”, “the”, etc., include plural forms, and should be broadly construed as “a type of’ or “a class of’ rather than being limited to the meaning of “one”. Furthermore, the term “the” should be construed as including both the singular and plural forms, unless otherwise clearly specified in the context. In addition, the term “according to” should be construed as “at least in part according to...”, and the term “based on” should be construed as “at least in part based on...”, unless otherwise clearly specified in the context.

[0035] The features described and / or illustrated for one embodiment may be used in one or more other implementations in an identical or similar manner, combined with features in other implementations, or replace features in other implementations. The term “include / comprise” when used herein refers to the presence of features, integrated components, steps, or assemblies,Docket No. 701819-WO-2 but does not exclude the presence or addition of one or more other features, integrated components, steps, or assemblies.

[0036] FIG. l is a schematic diagram of an X-ray imaging system according to an embodiment of the present application. As shown in FIG. 1, the X-ray imaging system 100 may be an example of a medical imaging system, which includes a suspension apparatus 110, a wall stand apparatus 120, and an examination table apparatus 130 provided in a scanning room 101, and a control apparatus 150 provided in a control room 102. The suspension apparatus 110 includes a longitudinal guide rail 111, a transverse guide rail 112, a telescopic cylinder 113, a sliding member 114, and a tube assembly 115.

[0037] Although some embodiments of the present application are described based on a suspended X-ray imaging system, this embodiment of the present application is not limited thereto. For example, the medical imaging system may also be another type of X-ray imaging system, alternatively, the medical imaging system may also be another type of imaging system, such as a computerized tomography (CT) system, a positron emission tomography (PET) system, a magnetic resonance imaging (MRI) system, etc.

[0038] For ease of description, in the present application, an x-axis, a y-axis, and a z-axis are defined as the x-axis and the y-axis being located on a horizontal plane and being perpendicular to one another, and the z-axis being perpendicular to the horizontal plane. Specifically, the direction in which the longitudinal guide rail I l l is located is defined as the x-axis, the direction in which the transverse guide rail 112 is located is defined as the y-axis direction, and the direction of extension of the telescopic cylinder 113 is defined as the z-axis direction, and the z- axis direction is the vertical direction.

[0039] The longitudinal guide rail 111 and the transverse guide rail 112 are perpendicularly disposed, where the longitudinal guide rail I l l is mounted on a ceiling, and the transverse guide rail 112 is mounted on the longitudinal guide rail 111. The telescopic cylinder 113 is configured to carry the tube assembly 115.

[0040] The sliding member 114 is disposed between the transverse guide rail 112 and the telescopic cylinder 113. The sliding member 114 may include components such as a rotary shaft, a motor, and a reel. The motor can drive the reel to rotate about the rotary shaft, which in turn drives the telescopic cylinder 113 to move along the z-axis and / or slide relative to theDocket No. 701819-WO-2 transverse guide rail. The sliding member 114 can slide relative to the transverse guide rail 112, that is, the sliding member 114 can drive the telescopic cylinder 113 and / or the tube assembly 115 to move in the y-axis direction. Furthermore, the transverse guide rail 112 can slide relative to the longitudinal guide rail 111, which in turn drives the telescopic cylinder 113 and / or the tube assembly 115 to move in the x-axis direction.

[0041] The telescopic cylinder 113 includes a plurality of columns having different inner diameters, and the plurality of columns may be sleeved sequentially from bottom to top in columns located thereabove to thereby achieve telescoping. The telescopic cylinder 113 can be telescopic (or movable) in the vertical direction, that is, the telescopic cylinder 113 can drive the tube assembly to move in the z-axis direction. The lower end of the telescopic cylinder 113 is further provided with a rotating part, and the rotating part may drive the tube assembly 115 to rotate.

[0042] The tube assembly 115 includes an X-ray tube, and the X-ray tube may produce X- rays and project the X-rays to a patient's intended region of interest (RO I). Specifically, the X- ray tube may be positioned adjacent to a beam limiter, and the beam limiter is configured to align the X-rays with the patient's intended region of interest. At least part of the X-rays may be attenuated through the patient, and may be incident on a detector (for example, a first detector assembly 121 and a second detector assembly 131, which will be described below).

[0043] The suspension apparatus 110 further includes a beam limiter 117. The beam limiter 117 is usually mounted below the X-ray tube. The X-rays emitted by the X-ray tube irradiate on the body of a subject under examination by means of an opening of the beam limiter 117. The size of the opening of the beam limiter 117 determines an irradiation range of the X- rays, namely, the size of a region of an exposure field of view (FOV). The positions of the X- ray tube and the beam limiter 117 in the transverse direction determine the position of the exposure FOV on the body of the subject under examination. It is well known that X-rays are harmful to the human body, so it is necessary to control the X-rays so that they only irradiate a part to be examined of the subject under examination, namely, a region of interest (RO I).

[0044] The suspension apparatus 110 further includes a tube control apparatus (console) 116. The tube control apparatus 116 is mounted on the tube assembly. The tube control apparatus 116 includes user interfaces such as a display screen and a control button forDocket No. 701819-WO-2 performing preparation work before image capture, such as patient selection, protocol selection, positioning, etc.

[0045] The movement of the suspension apparatus 110 includes the movement of the tube assembly along the x-axis, the y-axis, and the z-axis, as well as the rotation of the tube assembly on a horizontal plane (the axis of rotation is parallel to or coincides with the z-axis) and on a vertical plane (the axis of rotation is parallel to the y-axis). In the described movement, a motor is usually used to drive a rotary shaft which in turn drives a corresponding component to rotate, so as to achieve a corresponding movement or rotation, and a corresponding control component is generally mounted in the sliding member 114. An X-ray imaging unit further includes a motion control unit (not shown in the figure), and the motion control unit can control the described movement of the suspension apparatus 110. Further, the motion control unit can receive a control signal to control a corresponding component to move accordingly.

[0046] The wall stand apparatus 120 includes a first detector assembly 121, a wall stand 122, and a connecting portion 123. The connecting portion 123 includes a supporting arm that is vertically connected in the height direction of the wall stand 122 and a rotating bracket that is mounted on the supporting arm, and the first detector assembly 121 is mounted on the rotating bracket. The wall stand apparatus 120 further includes a detector driving apparatus that is provided between the rotating bracket and the first detector assembly 121. Under the drive of the detector driving apparatus, the first detector assembly 121 moves along a direction that is parallel to the height direction of the wall stand 122 in a plane that is supported by the rotating bracket, and the first detector assembly 121 may be further rotated relative to the supporting arm to form an angle with the wall stand. The first detector assembly 121 has a plate-like structure the orientation of which can be changed, so that the incident surface of the X-rays becomes vertical or horizontal depending on the incident direction of the X-rays.

[0047] A second detector assembly 131 is included on the examination table apparatus 130, and the selection or use of the first detector assembly 121 and the second detector assembly 131 may be determined on the basis of an image capture site of a patient and / or an image capture protocol, or may be determined on the basis of the position of the subject under examination that is captured by a camera, so as to perform image capture and examination at a supine, prone, or standing position. FIG. 1 is merely a schematic diagram of a wall stand and an examinationDocket No. 701819-WO-2 table. It should be understood by those skilled in the art that a wall stand and / or an examination table in any form or arrangement may be selected or only the wall stand may be mounted. The wall stand and / or the examination table do / does not limit the entire solution of the present application.

[0048] In some embodiments, the medical imaging system includes an image capture apparatus 140 (such as a camera). The subject under examination may be captured by the image capture apparatus to obtain a captured image that includes the subject under examination, for example a static optical image or a series of frames of optical images in a dynamic real-time video stream, to carry out auxiliary positioning, exposure configurations, etc. The image capture apparatus may be mounted on the suspension apparatus, for example, be mounted on a side edge of the beam limiter 117, and the embodiments of the present application are not limited thereto. The image capture apparatus 140 includes one or more cameras, such as a digital camera or an analog camera, or a depth camera, an infrared camera or an ultraviolet camera, or a 3D camera or a 3D scanner, or a red-green-blue (RGB) sensor or an RGB depth (RGB-D) sensor, or another device that can capture color image data of a target object.

[0049] In some embodiments, the control apparatus 150 may include a source controller and a detector controller. The source controller is configured to command an X-ray source to emit X-rays for image exposure. The detector controller is configured to select a suitable detector from among a plurality of detectors and to coordinate the control of various detector functions, for example, automatically select a corresponding detector according to the position or pose of the subject under examination. Alternatively, the detector controller may perform various signal processing and filtering functions, specifically, for initial adjustment of a dynamic range, interleaving of digital image data, etc. In some embodiments, the control apparatus may provide power and timing signals for controlling the operation of the X-ray source and the detector.

[0050] In some embodiments, the control apparatus may further be configured to use a digitized signal to reconstruct one or more required images and / or determine useful diagnostic information corresponding to a patient, where the control apparatus may include one or more dedicated processors, graphics processing units, digital signal processors, microcomputers, microcontrollers, application-specific integrated circuits (ASICs), field-programmable gate arrays (FPGAs), or other suitable processing apparatuses.Docket No. 701819-WO-2

[0051] Certainly, the medical imaging system may further include another quantity or configuration or form of control apparatus, for example, the control apparatus may be local (for example, co-located with one or more X-ray imaging systems 100, such as within the same facility and / or the same local network). In other implementations, the control apparatus may be remote, and thus only accessible through a remote connection (for example, via the Internet or other available remote access technologies). In a specific implementation, the control apparatus may alternatively be configured in a cloud-like manner, and may be accessed and / or used in a manner that is substantially similar to a manner of accessing and using other cloud-based systems.

[0052] The system 100 further includes a storage apparatus (not shown in the figure). A processor may store the digitized signal in a memory. For example, the memory may include a hard disk drive, a floppy disk drive, a CD-read / write drive, a digital versatile disc drive, a flash drive, and / or a solid-state memory. The memory may alternatively be integrated together with the processor to effectively use the footprint and / or meet expected imaging requirements.

[0053] The system 100 further includes an input apparatus 160. The input apparatus 160 may include a specific form of operator interface, such as a keyboard, a mouse, a voice-activated control apparatus, a touchscreen (which may also be used as a display apparatus described later), a trackball, or any other suitable input device. An operator may input an operation signal / control signal to the control apparatus by using the input device.

[0054] The system 100 further includes a display apparatus 151 (such as a touchscreen or a display screen). The display apparatus 151 may be configured to display operation interfaces such as a list of subjects under examination, the positioning or exposure configurations of subjects under examination, and images of subjects under examination.

[0055] Currently, it is possible to display, on the display apparatus, a captured image obtained by using the image capture apparatus to capture a subject under examination. The captured image is distinguished from the medical image acquired by performing X-ray imaging, and is used for auxiliary positioning or exposure configurations. For example, the auxiliary positioning or exposure configurations include acquiring information of the subject under examination, acquiring an image capture protocol, determining information such as a captureDocket No. 701819-WO-2 dose and posture, performing positioning on the basis of the image capture protocol, setting the size and position of an exposure region, etc.

[0056] FIG. 2 is a schematic diagram of an X-ray imaging system having a movable detector.

[0057] As shown in FIG. 2, the detector 21 may be connected to a wall stand 23 by using an arm portion 22, and the arm portion 22 can move in the height direction of the wall stand 23 (i.e., move upward and downward), thereby driving the detector 21 to move to adjust the position of the detector 21 . During examination, a shielding component 24 is provided between a subject under examination 20 and the detector 21 to prevent the subject under examination 20 from coming into contact with the moving detector 21. In addition, the subject under examination 20 may also step on a footstool 25 to adjust the position of the subject under examination 20.

[0058] As shown in FIG. 2, a suspension apparatus 26 may include a sliding member 260, a telescopic cylinder 261, and a tube assembly 262. The sliding member 260 may move along a track (not shown in the figure) mounted on a ceiling 200 of a scanning room. The sliding member 260 carries the telescopic cylinder 261, and the telescopic cylinder 261 carries the tube assembly 262, for example, when the sliding member 260 moves along the track, the tube assembly 262 may be driven to move together. When the telescopic cylinder 261 performs telescopic movement to change the length, the position of the tube assembly 262 in the height direction may be adjusted. In addition, the lower end of the telescopic cylinder 261 is further provided with a rotating part, and the rotating part can drive the tube assembly 262 to rotate.

[0059] The tube assembly 262 may produce X-rays and project the X-rays to an intended region of interest (RO I) of the subject under examination.

[0060] For a more detailed description of the suspension apparatus 26 in FIG. 2, reference may be made to the description of the suspension apparatus 110 in FIG. 1.

[0061] In the technical solution shown in FIG. 2, to meet the requirement for the range of movement of the detector 21 in the height direction (for example, it is necessary to ensure that the range of movement of the arm portion 22 can enable the detector 21 to examine the head of the subject under examination 20), the height of the wall stand 23 needs to be set to be relatively high. However, if the height of the wall stand 23 is set to be high, the difficulty of transportingDocket No. 701819-WO-2 and mounting the wall stand 23 will be greatly increased. In addition, the wall stand 23 having a high height is also more likely to interfere with installations disposed on the ceiling 200 of the scanning room (for example, the wall stand 23 is likely to collide with the sliding member 260 or the telescopic cylinder 261), so sufficient space needs to be reserved between the ceiling 200 of the scanning room and the top of the wall stand 23 to mount other installations such as the sliding member 260 or the telescopic cylinder 261. In addition, when examination is performed on the subject under examination 20, operations such as providing the shielding component 24 may complicate the examination procedure.

[0062] To resolve at least one of the above technical problems or similar technical problems, embodiments of the present application provide a detection apparatus and a medical imaging system.

[0063] The embodiments of the present application are specifically described below.

[0064] FIG. 3 is a schematic diagram of a detection apparatus according to an embodiment of the present application. As shown in FIG. 3, the detection apparatus 300 includes: a wall stand 31, a connecting arm 32, and a detector assembly 33.

[0065] The detection apparatus 300 may be disposed in a scanning room.

[0066] The wall stand 31 extends in a first direction DI . In some embodiments, the first direction DI may be the height direction of the wall stand 31.

[0067] The wall stand 31 may have a cuboid shape. When viewed in the first direction DI, the wall stand 31 may have a rectangular or square cross section. In addition, the present application is not limited thereto, and the wall stand 31 may also have another shape.

[0068] As shown in FIG. 3, the lower end of the wall stand 31 may be mounted on a base 310, and the cross section of the base 310 may be larger than the cross section of the wall stand 31, thereby increasing the stability of the wall stand 31. The base 310 may be directly placed on the floor of the scanning room, or may be fixedly mounted on the floor of the scanning room by using fasteners (such as expansion bolts or glue).

[0069] The connecting arm 32 extends in a second direction D2. In some examples, the second direction D2 may intersect with the first direction DI, for example, the second direction D2 is perpendicular to the first direction DI. In one example, the first direction D 1 is a verticalDocket No. 701819-WO-2 direction (for example, the aforementioned z-axis direction), and the second direction D2 is a horizontal direction (for example, the aforementioned y-axis direction).

[0070] One end 32A of the connecting arm 32 is connected to the wall stand 31. In some examples, the connecting arm 32 may be fixedly mounted on the wall stand 31. In some other examples, the connecting arm 32 may be movably mounted on the wall stand 31. For example, the side 31 A of the wall stand 31 facing the connecting arm 32 is provided with a slide rail (not shown in the figure), and the slide rail may extend in the first direction DI. The connecting arm 32 is mounted on the slide rail, and can move along the slide rail.

[0071] The other end 32B of the connecting arm 32 may be connected to the detector assembly 33, so that the connecting arm 32, when moving, may drive the detector assembly 33 to move together.

[0072] As shown in FIG. 3, the connecting arm 32 may have a cuboid shape. When viewed in the second direction D2, the connecting arm 32 may have a rectangular or square cross section. In addition, the present application is not limited thereto, and the connecting arm 32 may also have another shape.

[0073] An outer surface of the connecting arm 32 may be provided with a handle 321, and there may be one or more handles 321, for example, two handles 321, and the two handles may be disposed on two opposite surfaces of the connecting arm 32. By means of the handle 321, an operator can easily move the connecting arm 32 to adjust the position of the connecting arm 32. In addition, in some examples, the handle 321 may be provided with a button (not shown in the figure) that may be configured to control at least one of the following three movements: the connecting arm 32 moves upward and downward in the direction DI; the detector assembly 33 rotates about a first axis XI perpendicular to a surface of a housing 331; and a rotating bracket 36 (as shown in FIG. 8, FIG. 10, FIG. 11, and FIG. 12) described later rotates about a second axis X2, so that the surface of the housing 331 is inclined relative to the horizontal plane. For a description of the above three movements, reference may be made to the following description of the present application.

[0074] An outer surface of the connecting arm 32 may be further provided with a handrail mounting portion 322, so that a handrail can be mounted on the connecting arm 32. The handrail mounting portion 322 may be located on the upper surface of the connecting arm 32.Docket No. 701819-WO-2In addition, the handrail mounting portion 322 may also be disposed at another position of the connecting arm 32.

[0075] FIG. 4 is another schematic diagram of a detection apparatus according to an embodiment of the present application. As shown in FIG. 4, a handrail 323 is mounted on the handrail mounting portion 322. The handrail 323 may extend to the side (for example, a front side) of the detector assembly 33 away from the connecting arm 32, so that when a subject under examination is located on the front side of the detector assembly 33 for examination, the subject under examination may hold the handrail 323 to maintain the stability or balance of his or her body and improve the convenience of examination.

[0076] In the following description of the present application, a case in which the connecting arm 32 shown in FIG. 3 is not provided with a handrail is used as an example for description, and content of the description is also applicable to a case in which the connecting arm 32 shown in FIG. 4 is provided with the handrail 323.

[0077] FIG. 5 is a schematic diagram of a detector assembly of a detection apparatus inside a housing according to an embodiment of the present application. As shown in FIG. 5, the detector assembly 33 includes: the housing 331, a detector 332, and a first driving mechanism 333. The housing 331 in FIG. 5 is shown in a dashed-line box to illustrate an internal structure of the housing 331.

[0078] FIG. 3 shows a three-dimensional structure of the housing 331. The housing 331 may have a cuboid shape, for example, the housing 331 has a length direction L, a width direction W, and a thickness direction T. When viewed in the length direction L, the housing 331 may have a rectangular or square cross section. In addition, the present application is not limited thereto, and the housing 331 may also have another shape.

[0079] As shown in FIG. 5, the detector 332 may be disposed in the housing 331. The first driving mechanism 333 may be disposed in the housing 331.

[0080] The first driving mechanism 333 is connected to the detector 332, so that the first driving mechanism 333 can drive the detector 332 to move inside the housing 331 to adjust the position of the detector 332 inside the housing 331. For example, the first driving mechanismDocket No. 701819-WO-2333 can drive the detector 332 to move inside the housing 331 in the length direction L of the housing 331.

[0081] In some embodiments, the detector 332 may be connected to the first driving structure 333 by using a connection board 34. For example, the connection board 34 is located inside the housing 331, the connection board 34 may be mounted on the first driving mechanism 333, the detector 332 is mounted on the connection board 34, the first driving mechanism 333 drives the connection board 34 to move inside the housing 331, and the connection board 34 drives the detector 332 to move.

[0082] In FIG. 5, the detector 332 is shown in a dashed-line box to exhibit a surface structure of the connection board 34. The connection board 34 may be substantially in the shape of a rectangle, and the four comers of the rectangle are partially cut off to minimize interference between the connection board 34 and other components inside the housing 331 during movement.

[0083] A surface of the connection board 34 is provided with a first connecting portion 341. The first connecting portion 341 is configured to mount the detector 332 on the connection board 34. In some examples, the first connecting portion 341 may be a bolt, a protruding mounting pin, etc. There may be one or more first connecting portions 341, for example, as shown in FIG. 5, the quantity of first connecting portions 341 is six.

[0084] The surface of the connection board 34 is further provided with a second connecting portion 342 and a third connecting portion 343, and the second connecting portion 342 and the third connecting portion 343 are configured to mount the connection board 34 on the first driving mechanism 333.

[0085] In addition, as shown in FIG. 5, the connection board 34 may be further provided with an opening portion 344. The opening portion 344 can facilitate heat dissipation from a back surface of the detector 332, and a cable connected to the back surface of the detector 332 can pass through the opening portion 344.

[0086] FIG. 6 is a schematic diagram of FIG. 5 with the connection board 34 removed, illustrating the structure of the first driving mechanism 333. As shown in FIG. 6, the first driving mechanism 333 may include a motor 3331 and a transmission apparatus 3332. ADocket No. 701819-WO-2 rotating shaft (not shown in the figure) of the motor 3331 is parallel to the length direction L. The transmission apparatus 3332 transmits power from the motor 3331 to the connection board 34, thereby driving the connection board 34 to move.

[0087] In some embodiments, as shown in FIG. 6, the transmission apparatus 3332 may include a lead screw. The transmission apparatus 3332 may include: a lead screw 3333, a bearing 3330, a nut 3334, a slide rail 3335, and sliders 3336.

[0088] There are one or more bearings 3330 (for example, two bearings 3330) for supporting the lead screw 3333. The lead screw 3333 may be connected to the rotating shaft (not shown in the figure) of the motor 3331, so that the lead screw 3333 may be driven to rotate about a length axis when the rotating shaft of the motor 3331 rotates. The lead screw 3333 may be disposed in the length direction L. The outer surface of the lead screw 3333 is provided with threads. The nut 3334 is sleeved on the surface of the lead screw 3333, and the inner surface of the nut 3334 is provided with threads. The threads on the inner surface of the nut 3334 engage with the threads on the outer surface of the lead screw 3333. In addition, a ball may be further provided inside the nut 3334, so that the nut 3334 and the lead screw 3333 form a ball screw structure.

[0089] There may be one or more slide rails 3335 (for example, two slide rails 3335), and the slide rail 3335 may be disposed in parallel to the lead screw 3333. For example, the two slide rails 3335 may be respectively disposed on both sides of the lead screw 3333 in the width direction W, thereby improving the stability of the connection board 34 during movement. The sliders 3336 are sleeved on the outer surface of the slide rail 3335, and the sliders 3336 slide under the guidance of the slide rail 3335.

[0090] As shown in FIG. 6, the nut 3334 may be provided with a nut mounting portion 3337. The nut mounting portion 3337 may be aligned with the second connecting portion 342 of the connection board 34 in FIG. 5, and the nut mounting portion 3337 and the second connecting portion 342 may be connected by using fasteners such as bolts, to mount the connection board 34 on the nut 3334.

[0091] Each slider 3336 may be provided with a slider mounting portion 3338. The slider mounting portion 3338 may be aligned with the third connecting portion 343 of the connection board 34 in FIG. 5, and the slider mounting portion 3338 and the third connecting portion 343Docket No. 701819-WO-2 may be connected by using fasteners such as bolts, to mount the connection board 34 on the slider 3336.

[0092] In the transmission apparatus 3332 in FIG. 6: the lead screw 3333 is driven to rotate when the motor 3331 rotates. By means of the engagement between the threads of the lead screw 3333 and the threads of the nut, and the guidance of the slide rail 3335, rotation of the lead screw 3333 is converted into movement of the nut 3334, the sliders 3336, and the connection board 34 in the length direction L. A change in a rotation direction of the motor 3331 may adjust the nut 3334, the sliders 3336, and the connection board 34 to move toward one end or the other end of the length direction L.

[0093] FIG. 7 is another schematic diagram of a detector assembly of a detection apparatus inside a housing according to an embodiment of the present application. FIG. 7 differs from FIG. 5 in that a first driving mechanism 333a in FIG. 7 has a different structure from the first driving mechanism 333 in FIG. 5. As shown in FIG. 7, the first driving mechanism 333a may include a motor 3331a and a transmission apparatus 3332a. A rotating shaft (not shown in the figure) of the motor 3331a may be parallel to the width direction W. The transmission apparatus 3332a transmits power from the motor 333 la to a connection board 34, thereby driving the connection board 34 to move.

[0094] In some embodiments, as shown in FIG. 7, the transmission apparatus 3332a may include a belt. The transmission apparatus 3332a may include: a guide shaft 3333a, a guide shaft support 3330a, a support member 3334a, a slide rail 3335, sliders 3336, pulleys 3339, and a belt 3340.

[0095] There are one or more guide shaft supports 3330 (for example, two guide shaft supports 3330) for supporting the guide shaft 3333a. The guide shaft 3333a may be disposed in the length direction L. The support member 3334a is sleeved on the surface of the guide shaft 3333a, and the support member 3334a may slide along the guide shaft 3333a.

[0096] There may be one or more slide rails 3335 (for example, two slide rails 3335), and the slide rail 3335 may be disposed in parallel to the guide shaft 3333a. For example, the two slide rails 3335 may be respectively disposed on both sides of the guide shaft 3333a in the width direction W, thereby improving the stability of the connection board 34 during movement. TheDocket No. 701819-WO-2 sliders 3336 are sleeved on the outer surface of the slide rail 3335, and the sliders 3336 slide under the guidance of the slide rail 3335.

[0097] In the example shown in FIG. 7, a surface of the support member 3334a may be provided with a mounting portion (not shown in the figure) that fits with the second connecting portion 342, so that the connection board 34 can be mounted on the support member 3334a. A surface of each slider 3336 may be provided with a mounting portion (not shown in the figure) that fits with the third connecting portion 343, so that the connection board 34 can be mounted on the slider 3336.

[0098] As shown in FIG. 7, there may be two pulleys 3339, and the pulleys are respectively disposed near two ends of the guide rail 3333a. One pulley 3339 (for example, a lower pulley3339 in FIG. 7) may be a driving pulley, and the lower pulley 3339 is connected to the rotating shaft (not shown in the figure) of the motor 3331a, so that the pulley 3339 is driven to rotate when the rotating shaft of the motor 3331a rotates. The other pulley 3339 (for example, an upper pulley 3339 in FIG. 7) may be a driven pulley. The pulley 3339 may be, for example, a timing belt pulley. The belt 3340 is disposed around the periphery of the pulley 3339, for example, the belt 3340 is mounted around the periphery of the two pulleys 3339. The belt 3340 may be connected to the connection board 34, so that the belt 3340 drives the sliders 3336 to slide along the slide rail 3335.

[0099] In the present application, the upper pulley 3339 in FIG. 7 serves to cooperate with the lower pulley 3339 to tension the belt 3340, so that the belt 3340 can be driven to move when the lower pulley 3339 rotates. In some other examples, the upper pulley 3339 in FIG. 7 may be replaced by another element, as long as the element can cooperate with the lower pulley 3339 to tension the belt 3340.

[0100] In the transmission apparatus 3332a of FIG. 7: the lower pulley 3339 in FIG. 7 is driven to rotate when the motor 3331a rotates. The rotation of the pulley 3339 drives the belt3340 to move. The movement of the belt 3340 may drive the sliders 3336 and the connection board 34 to move in the length direction L. A change in a rotation direction of the motor 333 la may adjust the sliders 3336 and the connection board 34 to move toward one end or the other end of the length direction L.Docket No. 701819-WO-2

[0101] FIG. 8 is a side view of a detection apparatus. As shown in FIG. 8, in some embodiments, the detection apparatus 300 further includes: a second driving mechanism 35.

[0102] The second driving mechanism 35 is connected between the housing 331 and the other end 32B of the connecting arm 32. The second driving mechanism 35 drives the detector assembly 33 to rotate about the first axis XI perpendicular to the surface of the housing 331.

[0103] FIG. 9 is a three-dimensional schematic diagram of a second driving mechanism. As shown in FIG. 9, the second driving mechanism 35 includes: a first connecting portion 351, a second connecting portion 352, and a rotary motor 353.

[0104] The first connecting portion 351 is connected to the other end 32B (as shown in FIG. 8) of the connecting arm 32, for example, the first connecting portion 351 is connected to the other end 32B (as shown in FIG. 8) of the connecting arm 32 by using a rotating bracket 36 described later. The second connecting portion 352 is connected to the housing 331 of the detector assembly 33. The second connecting portion 352 rotates about the first axis XI relative to the first connecting portion 351.

[0105] The rotary motor 353 is provided with a fixed portion 3531 (for example, a stator) and a rotary portion 3532 (for example, a rotor). The rotary portion 3532 can rotate relative to the fixed portion 3531, for example, the rotary portion 3532 may rotate about the first axis XI .

[0106] The fixed portion 3531 is connected to the first connecting portion 351, for example, the fixed portion 3531 is connected to the first connecting portion 351 by using fastening components 3533 such as a plurality of (for example, six) bolts that are circumferentially distributed. The second connecting portion 352 is disposed on the rotary portion 3532. For example, the connecting portion 352 is a screw hole 3534 on an end face of the rotary portion 3532, and there may be a plurality of screw holes 3534, for example, six screw holes. For another example, the connecting portion 352 may be an element mounted on the rotary portion 3532, and the connecting portion 352 is connected to the housing 331, so that the connecting portion 352 and the housing 331 are driven to rotate about the first axis XI when the rotary portion 3532 rotates.

[0107] As shown in FIG. 8, in some embodiments, the detection apparatus 300 further includes a rotating bracket 36. The rotating bracket 36 is rotatably mounted at the other endDocket No. 701819-WO-232B of the connecting arm 32. For example, the rotating bracket 36 may rotate about a second axis X2, where the second axis X2 is perpendicular to both the first direction DI and the second direction D2.

[0108] For example, the rotating bracket 36 may be connected to the first connecting portion 351 (as shown in FIG. 9) of the second driving mechanism 35 by using fastening elements such as bolts. Therefore, when the rotating bracket 36 is driven to rotate about the second axis X2, the housing 331 can be driven to move, so that the surface of the housing 331 is inclined relative to the horizontal plane.

[0109] FIG. 10 is a schematic diagram of a rotating bracket that rotates by a predetermined angle. As shown in FIG. 10, when the rotating bracket 36 rotates by 90°, the surface of the housing 331 facing the subject under examination may be changed from a direction perpendicular to the horizontal plane to a direction parallel to the horizontal plane. Therefore, the flexibility can be improved, so that the detector 332 in the housing 331 receives X-rays at a suitable angle.

[0110] FIG. 11 is a three-dimensional schematic diagram of an internal structure near the other end of a connecting arm from one perspective, and FIG. 12 is a three-dimensional schematic diagram of the internal structure near the other end of the connecting arm from another perspective. A part of a housing of the connecting arm 32 is not shown in FIG. 11. In addition, FIG. 10 also shows a side view of the internal structure near the other end 32B of the connecting arm 32 with a part of the housing of the connecting arm 32 removed.[0U1] As shown in FIG. 10, FIG. 11, and FIG. 12, the detection apparatus 300 further includes: a first support rod 37.

[0112] One end 37a of the first support rod 37 is connected to the rotating bracket 36, for example, one end 37a of the first support rod 37 is rotatably connected (for example, pivotally connected by using a movable pin) to the rotating bracket 36. The other end 37b of the first support rod 37 is movably connected to an inner side of the connecting arm 32. The first support rod 37 supports the rotating bracket 36, and provides torque to the rotating bracket 36 to support the rotating bracket 36.Docket No. 701819-WO-2

[0113] The detection apparatus 300 further includes: a second support rod 38 and a third driving mechanism 39.

[0114] One end 38a of the second support rod 38 is connected to the rotating bracket 36, for example, one end 38a of the second support rod 38 is rotatably connected (for example, pivotally connected by using a movable pin) to the rotating bracket 36.

[0115] The third driving mechanism 39 is mounted on the connecting arm 32, for example, the third driving mechanism 39 is disposed inside the connecting arm 32. The third driving mechanism 39 is connected to the other end 38b of the second support rod 38. The third driving mechanism 39 may drive the other end 38b of the second support rod 38 to move (for example, drive the other end 38b of the second support rod 38 to move in the second direction D2), and provide torque to the rotating bracket 36 by means of the second support rod 38 to drive the rotating bracket 36 to rotate about the second axis X2.

[0116] In the present application, the first support rod 37, the second support rod 38, and the third driving mechanism 39 may constitute an inclined driving mechanism that can drive the rotating bracket 36 to rotate about the second axis X2, so that the surface of the housing 331 is inclined relative to the horizontal plane.

[0117] In some examples, the first support rod 37 may be an elastic support structure (for example, a gas spring), the second support rod 38 may be, for example, a linkage mechanism, and the third driving mechanism 39 may include, for example, structures such as a motor, a belt, a clutch, a brake, and a lead screw mechanism.

[0118] For example, in the third driving mechanism 39, power from the motor may be transmitted by means of the clutch to the lead screw mechanism through belt transmission, and the lead screw mechanism transmits movement and force through the relative movement between a lead screw and a lead screw nut, where the lead screw nut may be connected to the other end 38b of the second support rod 38, thereby driving the second support rod 38 to move, so that the rotating bracket 36 rotates about the second axis X2. In addition, the brake may stop the rotation of the rotating bracket 36.

[0119] In the above example, manually driving the rotating bracket 36 and electrically driving the rotating bracket 36 can be independent of each other by using the clutch. The brakeDocket No. 701819-WO-2 can brake at any rotation angle, so that the rotating bracket 36 stays at any rotation position.The lead screw mechanism may be, for example, a multi-start high (large) lead ball screw, and the lead screw nut is not self-locking, so that it is convenient to manually drive the rotation of the rotating bracket 36. In addition, an operating force is small, which can meet the requirement of low noise. The first support rod 37 (for example, a gas spring) is configured to balance gravitational torque on the rotating bracket 36.

[0120] In addition, in some examples, the third driving mechanism 39 may not include a motor, so that an operator may manually drive the rotation of the rotating bracket 36, and the brake may stop the rotation of the rotating bracket 36 and keep the rotating bracket 36 at a position where the rotation is stopped.

[0121] As shown in FIG. 8, in some embodiments, the detection apparatus 300 further includes: a fourth driving mechanism 40. The fourth driving mechanism 40 may be disposed on the wall stand 31. The fourth driving mechanism 40 may drive the connecting arm 32 to move on the wall stand 31 in the first direction DI .

[0122] FIG. 13 is a side view of the fourth driving mechanism 40, FIG. 14 is a front view of the fourth driving mechanism 40, and FIG. 15 is a partial three-dimensional schematic diagram of the fourth driving mechanism 40. As shown in FIG. 13, FIG. 14, and FIG. 15, the fourth driving mechanism 40 may include: an arm mounting board 41 and an arm driving apparatus 42.

[0123] One end 32A of the connecting arm 32 may be connected to the arm mounting board 41, so that the connecting arm 32 can be driven to move in the first direction DI when the arm mounting board 41 moves in the first direction DI . The arm driving apparatus 42 may drive the arm mounting board 41 to move in the first direction DI .

[0124] The arm driving apparatus 42 may include a lead screw. For example, the arm driving apparatus 42 includes: a lead screw 421, a bearing 422, a nut 423, a slide rail 424, and sliders 425.

[0125] There are one or more bearings 442 (for example, two bearings 442) for supporting the lead screw 421. The lead screw 421 may be connected to a rotating shaft (not shown in the figure) of a motor 420. The lead screw 421 may be disposed in the first direction DI . The outer surface of the lead screw 421 is provided with threads. The nut 423 is sleeved on aDocket No. 701819-WO-2 surface of the lead screw 421 , and the inner surface of the nut 423 is provided with threads. The threads on the inner surface of the nut 423 engage with the threads on the outer surface of the lead screw 421. In addition, a ball may be further provided inside the nut 423, so that the nut423 and the lead screw 421 form a ball screw structure.

[0126] There may be one or more slide rails 424 (for example, two slide rails 424), and the slide rail 424 may be disposed in parallel to the lead screw 421. For example, the two slide rails424 may be respectively disposed on both sides of the lead screw 421, thereby improving the stability of the arm mounting board 41 during movement. The sliders 425 are mounted on a surface of the slide rail 424, and the sliders 425 slide under the guidance of the slide rail 424.

[0127] As shown in FIG. 14, the nut 423 may be connected to the arm mounting board 41, for example, the nut 423 may be connected to the arm mounting board 41 by using fasteners such as bolts. The sliders 425 may be connected to the arm mounting board 41, for example, the sliders 425 may be connected to the arm mounting board 41 by using fasteners such as bolts.

[0128] In the arm driving apparatus 42 in FIG. 13: the lead screw 421 is driven to rotate when the motor 420 rotates. By means of the engagement between the threads of the lead screw 421 and the threads of the nut 423, and the guidance of the slide rail 424, rotation of the lead screw 421 is converted into movement of the nut 423, the sliders 425, and the arm mounting board 41 in the first direction DI . A change in a rotation direction of the motor 420 may adjust the nut 423, the sliders 425, and the arm mounting board 41 to move toward one end or the other end of the first direction.

[0129] FIG. 16 is another side view of a fourth driving mechanism according to an embodiment of the present application, and FIG. 17 is a three-dimensional schematic diagram corresponding to FIG. 16.

[0130] In the example shown in FIG. 16 and FIG. 17, a fourth driving mechanism 40a may include: an arm mounting board 41a and an arm driving apparatus 42a.

[0131] The arm mounting board 41a may be connected to the connecting arm 32 (for example, one end 32A of the connecting arm 32), so that the connecting arm 32 can be driven to move in the first direction DI when the arm mounting board 41a moves in the first direction DI.Docket No. 701819-WO-2The arm driving apparatus 42a may drive the arm mounting board 41a to move in the first direction DI.

[0132] The arm driving apparatus 42a may be a belt-based driving mechanism. As shown in FIG. 15 and FIG. 16, the arm driving apparatus 42a includes: a motor belt drive unit 421a, a belt 422a, and a counter weight 423a.

[0133] The motor belt drive unit 421a includes a motor 4210a, a first wheel 421 la, a second wheel component 4212a, and a third wheel component 4213a. The first wheel 421 la is mounted on a rotating shaft (not shown in the figure) of the motor 4210a, and rotates with the rotating shaft of the motor 4210a. The first wheel 4211a transmits power generated from rotation of the rotating shaft of the motor 4210a to the second wheel component 4212a through a mechanism such as a belt or a gear. The belt 422a is disposed around the periphery of the second wheel component 4212a and the third wheel component 4213a, so that the belt 422a is driven to move when the second wheel component 4212a rotates. The belt 422a is connected to the arm mounting board 41a, so that the arm mounting board 41a is driven to move in the first direction DI when the belt 422a moves.

[0134] The counter weight 423a and the arm mounting board 41a may be connected to both ends of the belt 422a, and the counter weight 423 a and the arm mounting board 41a are respectively located at both sides of the second wheel component 4212a. The counter weight 423a can enable the belt 422a to be in a tensioned state, so that the movement of the second wheel component 4212a can be transmitted to the belt 422a.

[0135] In addition, in the present application, there may be two belts 422a for maintaining the stability of the arm mounting board 41a. The present application is not limited thereto, and there may be another number of belts 422a, such as one or three.

[0136] In the present application, the third wheel component 4213a is disposed on a side of the second wheel component 4212a in the second direction D2, so that the belt 422a is supported by the third wheel component 4213 a, and therefore the position of the belt 422a meets the requirement for internal space of the wall stand 31. In some other examples of the present application, when there is another requirement for the internal space of the wall stand 31, the third wheel component 4213a may not be provided. Alternatively, more wheel components may be further provided in addition to the third wheel component 4213a.Docket No. 701819-WO-2

[0137] As shown in FIG. 16 and FIG. 17, the fourth driving mechanism 40a may further include a control circuit board 43a. The control circuit board 43a may control a rotation direction of the motor in the motor belt drive unit 421a, thereby adjusting the moving direction or position of the arm mounting board 41a.

[0138] In the present application, the connecting arm 32 may move in the first direction DI, thereby adjusting the position of the connecting arm 32 in the first direction DI . The housing 331 may rotate about the first axis XI, thereby adjusting the relationship between the length direction L of the housing 331 and the horizontal direction. The housing 331 may also be inclined, thereby adjusting an inclination angle of the surface of the housing 331 relative to the horizontal plane. The detector 332 may move inside the housing 331 in the length direction L. Thus, the position and orientation of the housing 331 of the detection apparatus 300 can be flexibly adjusted to adapt to different examination requirements.

[0139] FIG. 18 is another three-dimensional schematic diagram of a detection apparatus according to an embodiment of the present application, and FIG. 19 is still another three- dimensional schematic diagram of a detection apparatus according to an embodiment of the present application. In FIG. 18, the length direction L of the housing 331 is parallel to the horizontal direction, and the surface of the housing 331 is perpendicular to the second direction D2. In FIG. 19, the length direction L of the housing 331 is parallel to the horizontal direction, and the surface of the housing 331 is perpendicular to the first direction DI . In addition, in the example shown in FIG. 3, the length direction L of the housing 331 is parallel to the vertical direction, and the surface of the housing 331 is perpendicular to the second direction D2. In FIG. 3, FIG. 18, and FIG. 19, the detector 332 may move inside the housing 331 in the length direction L.

[0140] FIG. 20 is a schematic diagram of medical imaging examination using the detection apparatus according to an embodiment of the present application. In FIG. 20, a medical imaging system 2000 may include the detection apparatus 300 described in the above embodiments and a suspension apparatus 2003.

[0141] The detection apparatus 300 is adjusted such that the length direction L of the housing 331 is parallel to the horizontal direction, and the surface of the housing 331 is perpendicular to the first direction DI . The housing 331 may be located below a mobile tableDocket No. 701819-WO-22001 in the first direction DI . The suspension apparatus 2003 irradiates X-rays to a subject under examination 2002 on the mobile table 2001. The detector 332 in the housing 331 receives X-rays that pass through the subject under examination 2002, thereby forming a medical image.

[0142] In FIG. 20, the detector 332 may move inside the housing 331 in the length direction L, for example, the detector 332 obtains corresponding medical images at different positions in the length direction L of the housing 331. Thus, corresponding medical images can be obtained for different parts of the subject under examination 2002 without moving the subject under examination 2002.

[0143] In addition, in the example shown in FIG. 20, for a plurality of medical images obtained by the detector 332 at different positions in the length direction L of the housing 331, the plurality of medical images may be synthesized to form a complete medical image including different parts of the subject under examination 2002.

[0144] In addition, for a description of the suspension apparatus 2003, reference may be made to the above description of the suspension apparatus 110 in FIG. 1 and the suspension apparatus 26 in FIG. 2.

[0145] According to the above embodiments of the present application, in the detection apparatus 300, the housing 331 is connected to the wall stand 31 by using the connecting arm 32, the detector 332 is disposed in the housing 331, and the first driving mechanism 333 is provided to drive the detector 332 to move inside the housing 331, so that the detector 332 may move relative to the connecting arm 32. The height of the wall stand 31 may be reduced (for example, the height of the wall stand 31 may be reduced from 2300 mm to 1600 mm) for easy transportation and mounting of the wall stand 32, the requirement with regard to interior space of the scanning room is low, and the housing 331 itself can act as a shield, so that an operator does not need to provide a dedicated shielding component during examination, and thus the examination procedure becomes simple.

[0146] In addition, in the embodiments of the present application, the connecting arm 32 may be made of an aluminum alloy material, so that the weight is reduced while maintaining the strength.Docket No. 701819-WO-2

[0147] In addition, in the embodiments of the present application, the housing 331 may be made of a plastic or carbon fiber material to reduce the weight, which makes it convenient for a user to perform operations such as position adjustment or inclination angle adjustment.

[0148] The above embodiments merely provide illustrative descriptions of the embodiments of the present application. However, the present application is not limited thereto, and suitable variations may be made on the basis of the above embodiments. For example, each of the above embodiments may be used independently, or one or more of the above embodiments may be combined.

[0149] The present application is described above with reference to specific implementations. However, it should be clear to those skilled in the art that these descriptions are illustrative and are not intended to limit the scope of protection of the present application. Various variations and modifications may be made by those skilled in the art according to the principle of the present application, and these variations and modifications also fall within the scope of the present application.

Claims

Docket No. 701819-WO-2CLAIMS1. A detection apparatus, characterized by comprising: a wall stand extending in a first direction; a connecting arm extending in a second direction, wherein one end of the connecting arm is connected to the wall stand; and a detector assembly connected to the other end of the connecting arm, wherein the detector assembly comprises: a housing; a detector disposed in the housing; and a first driving mechanism connected to the detector, wherein the first driving mechanism drives the detector to move inside the housing to adjust the position of the detector in the housing.

2. The detection apparatus according to claim 1, wherein the first driving mechanism drives the detector to move inside the housing in the length direction of the housing.

3. The detection apparatus according to claim 1, wherein the detector assembly further comprises: a connection board mounted on the first driving mechanism, wherein the detector is mounted on the connection board, the first driving mechanism drives the connection board to move inside the housing, and the connection board drives the detector to move.

4. The detection apparatus according to claim 3, wherein the first driving mechanism comprises a transmission apparatus configured to drive the connection board to move, wherein the transmission apparatus comprises a lead screw or a belt.

5. The detection apparatus according to claim 1, further comprising:Docket No. 701819-WO-2 a second driving mechanism connected between the housing of the detector assembly and the other end of the connecting arm, wherein the second driving mechanism drives the detector assembly to rotate about a first axis perpendicular to a surface of the housing.

6. The detection apparatus according to claim 5, wherein the second driving mechanism comprises: a first connecting portion connected to the other end of the connecting arm; and a second connecting portion connected to the housing of the detector assembly, wherein the second connecting portion rotates about the first axis relative to the first connecting portion.

7. The detection apparatus according to claim 6, wherein the second driving mechanism further comprises: a rotary motor having a fixed portion and a rotary portion, wherein the rotary portion rotates relative to the fixed portion, the fixed portion is connected to the first connecting portion, and the second connecting portion is disposed on the rotary portion.

8. The detection apparatus according to claim 6, further comprising: a rotating bracket rotatably mounted at the other end of the connecting arm, wherein the rotating bracket rotates about a second axis, and the second axis is perpendicular to both the first direction and the second direction.

9. The detection apparatus according to claim 8, further comprising: a first support rod having one end connected to the rotating bracket and the other end movably connected to an inner side of the connecting arm, wherein the first support rod supports the rotating bracket and provides torque to the rotating bracket to support the rotating bracket.

10. The detection apparatus according to claim 8,Docket No. 701819-WO-2 further comprising: a second support rod having one end connected to the rotating bracket; and a third driving mechanism mounted on the connecting arm, wherein the third driving mechanism is connected to the other end of the second support rod, wherein the third driving mechanism drives the other end of the second support rod to move, and provides torque to the rotating bracket by means of the second support rod to drive the rotating bracket to rotate about the second axis.

11. The detection apparatus according to claim 1, further comprising: a fourth driving mechanism disposed on the wall stand, wherein the fourth driving mechanism drives the connecting arm to move on the wall stand in the first direction.

Images