CN118203342A - Cone beam CT apparatus - Google Patents

Abstract

The application is suitable for the technical field of medical cone beam projection computer recombination tomography equipment, and provides the cone beam CT equipment, which can scan a human body in a mode of relatively synchronously rotating a transmitting part and a receiving part, and can supplement scanning to the human body in a mode of enabling a transmitting component to swing relative to a first swinging bracket and enabling the receiving part to move along with the swinging of the transmitting component by fixing the position of the first swinging bracket, so that the image acquisition range of the cone beam CT equipment provided by the application is effectively improved, more data can be acquired as much as possible in a limited space by the cone beam CT equipment provided by the application, and more accurate affected part information can be provided.

Description

Cone beam CT apparatus

Technical Field

The application belongs to the technical field of medical cone beam projection computer recombination tomography equipment, and particularly relates to cone beam CT equipment.

Background

Cone-beam CT apparatus (Cone Beam Computed Tomography, CBCT) is an advanced medical imaging technique. The main difference from conventional CT techniques is that the X-ray emitter and receiver rotate around the patient so that three-dimensional images can be acquired in a short period of time. CBCT devices are widely used in the fields of dentistry, orthopedics, radiation therapy, etc., for example, in the field of the oral cavity, they can help dentists to diagnose dental problems more accurately, make treatment plans, perform dental implant operations, etc., and in orthopedics, they can be used to evaluate lesions in the spine, joints, etc., and compared with conventional CT, CBCT devices have advantages of short scanning time, small radiation dose, lower cost, etc.

However, since the X-ray emitter and receiver of the existing cone-beam CT apparatus can only rotate relatively in synchronization, the range of acquiring images is limited.

Disclosure of Invention

The embodiment of the application aims to provide a cone beam CT device, which aims to solve the technical problem that the range of an image acquired by the cone beam CT device in the prior art is limited.

To achieve the above object, according to one aspect of the present application, there is provided a cone-beam CT apparatus comprising: the X-ray detector comprises a frame part, an emitting part and a receiving part, wherein the emitting part comprises a first swinging frame and an emitting component, the first swinging frame is movably arranged on the frame part, the emitting component is pivoted on the first swinging frame, a pivot axis between the emitting component and the first swinging frame extends along a first direction, and the emitting component can swing relative to the first swinging frame and emit X-rays into an external environment; the receiving part is movably arranged on the frame part, the position of the receiving part can correspond to the position of the transmitting part, and the receiving part is used for receiving the X-rays emitted by the transmitting assembly to the external environment.

Optionally, the frame portion includes a frame body and a second swing frame, the second swing frame is pivoted on the frame body, a pivot axis between the second swing frame and the frame body extends along a second direction, and the first swing frame and the receiving portion are movably mounted on the second swing frame.

Optionally, the frame portion further includes a first bearing assembly and a second bearing assembly, both of which are disposed on the second swing frame, the first bearing assembly and the second bearing assembly are coaxially disposed, the first swing frame is movably mounted on the second swing frame through the first bearing assembly, and the receiving portion is movably mounted on the second swing frame through the second bearing assembly.

Optionally, the transmitting part further includes a first driving component, where the first driving component is disposed on the first swing frame and is in driving connection with the transmitting component, and the transmitting component can swing along a pivot axis between the transmitting component and the first swing frame under the driving of the first driving component.

Optionally, the frame part further includes a second driving component, where the second driving component is disposed on the frame body and is in driving connection with the second swing frame, and the second swing frame can swing along a pivot axis between the second swing frame and the frame body under the driving of the second driving component.

Optionally, the frame part further includes a third driving component, and the third driving component is disposed on the second swing frame and is in driving connection with the first swing frame, and the first swing frame can rotate along the central axis of the first bearing component under the driving of the third driving component.

Optionally, the frame part further includes a fourth driving component, and the fourth driving component is disposed on the second swing frame and is in driving connection with the receiving part, and the receiving part can rotate along the central axis of the second bearing component under the driving of the fourth driving component.

Optionally, a first supporting shaft and a second supporting shaft are respectively arranged at two ends of the second swing frame, the first supporting shaft and the second supporting shaft are coaxially arranged and extend along the second direction, and one of the first supporting shaft and the second supporting shaft is in driving connection with the second driving assembly; the cone beam CT apparatus further comprises a bearing support portion, the bearing support portion comprises a first bearing support assembly and a second bearing support assembly, the first bearing support assembly and the second bearing support assembly are arranged on the frame body, the first bearing support assembly is used for supporting the first support shaft, and the second bearing support assembly is used for supporting the second support shaft.

Optionally, the cone beam CT apparatus further includes a position detecting unit including a first position detecting assembly and a second position detecting assembly, the first position detecting assembly being disposed on one of the first support shaft and the second support shaft, the second position detecting assembly being disposed on the frame body and corresponding to a position of the first position detecting assembly, the second position detecting assembly being capable of detecting position data on the first position detecting assembly to determine a position of the second swing frame relative to the frame body.

Optionally, the cone beam CT apparatus further includes a moving support portion provided on the frame portion for supporting the frame portion, the frame portion being movable by the moving support portion.

The cone beam CT equipment provided by the application has the beneficial effects that: compared with the prior art, the cone beam CT device provided by the application has the advantages that the first swinging bracket and the receiving part are respectively and movably arranged on the frame part, the transmitting component is pivoted on the first swinging bracket, and meanwhile, the position of the receiving part is set to correspond to the position of the transmitting part, so that the cone beam CT device provided by the application can scan a human body in a mode of relatively synchronously rotating the transmitting part and the receiving part, and can perform supplementary scanning on the human body in a mode of fixing the position of the first swinging bracket, swinging the transmitting component relative to the first swinging bracket and moving the receiving part along with the swinging of the transmitting component, thereby effectively improving the image acquisition range of the cone beam CT device provided by the application, enabling the cone beam CT device provided by the application to acquire more data as much as possible in a limited space and providing more accurate affected part information.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a cone-beam CT apparatus according to an embodiment of the present application;

FIG. 2 is a schematic diagram of a cone beam CT apparatus with parts removed according to an embodiment of the present application;

FIG. 3 is a schematic view of a cone beam CT apparatus with parts removed according to an embodiment of the present application;

FIG. 4 is a schematic view of a cone-beam CT apparatus with parts removed from another view angle according to an embodiment of the present application;

FIG. 5 is a schematic view of a cone beam CT apparatus with parts removed according to an embodiment of the present application;

Fig. 6 is a schematic diagram of a cone-beam CT apparatus according to an embodiment of the present application scanning a head of a human body;

fig. 7 is a schematic diagram of a cone-beam CT apparatus scanning a head of a human body under another view angle according to an embodiment of the present application;

fig. 8 is a schematic diagram of a cone-beam CT apparatus according to an embodiment of the present application scanning a chest of a human body;

Fig. 9 is a schematic diagram of a cone-beam CT apparatus scanning a chest of a human body at another view angle according to an embodiment of the present application;

fig. 10 is a schematic diagram of a cone beam CT apparatus for scanning lumbar vertebrae of a human body according to an embodiment of the present application;

Fig. 11 is a schematic diagram of a cone beam CT apparatus for scanning lumbar vertebrae of a human body under another view angle according to an embodiment of the present application;

reference numerals related to the above figures are as follows:

10. A frame portion; 111. a first support frame; 1111. a fixed flange; 11111. a limiting block; 112. a second support frame; 12. a second swing frame; 121. an annular base; 122. a first support shaft; 123. a second support shaft; 13. a first bearing assembly; 14. a second bearing assembly; 15. a second drive assembly; 151. a speed reducer; 1511. an output flange; 15111. a limit protrusion; 152. a belt drive module; 153. a tensioning sleeve; 16. a third drive assembly; 17. a fourth drive assembly;

20. A transmitting section; 21. a first swing frame; 22. a transmitting assembly; 23. a first drive assembly;

30. A receiving section;

40. a bearing support; 41. A first bearing support assembly; 42. A second bearing support assembly;

51. A first position detection component; 52. a second position detection assembly;

60. A movable support part; 61. the first universal steering engine wheel set; 62. the second universal steering engine wheel set;

70. And a display unit.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element. Embodiments of the application and features of the embodiments may be combined with each other without conflict. The application will be described in detail below with reference to the drawings in connection with embodiments.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

As noted in the background, cone-beam CT apparatus (Cone Beam Computed Tomography, CBCT) is an advanced medical imaging technique. The main difference from conventional CT techniques is that the X-ray emitter and receiver rotate around the patient so that three-dimensional images can be acquired in a short period of time. CBCT devices are widely used in the fields of dentistry, orthopedics, radiation therapy, etc., for example, in the field of the oral cavity, they can help dentists to diagnose dental problems more accurately, make treatment plans, perform dental implant operations, etc., and in orthopedics, they can be used to evaluate lesions in the spine, joints, etc., and compared with conventional CT, CBCT devices have advantages of short scanning time, small radiation dose, lower cost, etc. However, since the X-ray emitter and receiver of the existing cone-beam CT apparatus can only rotate relatively in synchronization, the range of acquiring images is limited.

Referring to fig. 1 to 11, in order to solve the above-described problems, according to an aspect of the present application, an embodiment of the present application provides a cone-beam CT apparatus including: the X-ray radiation device comprises a frame part 10, a radiation part 20 and a receiving part 30, wherein the radiation part 20 comprises a first swinging frame 21 and a radiation component 22, the first swinging frame 21 is movably arranged on the frame part 10, the radiation component 22 is pivoted on the first swinging frame 21, a pivot axis between the radiation component 22 and the first swinging frame 21 extends along a first direction, and the radiation component 22 can swing relative to the first swinging frame 21 and radiate X-rays to the external environment; the receiving part 30 is movably mounted on the frame part 10, the position of the receiving part 30 can correspond to the position of the emitting part 20, and the receiving part 30 is used for receiving the X-rays emitted from the emitting assembly 22 into the external environment. The cone beam CT apparatus provided in this embodiment, by movably mounting the first swing bracket and the receiving portion 30 on the frame portion 10, and pivotally connecting the transmitting assembly 22 on the first swing bracket, and setting the position of the receiving portion 30 to be able to correspond to the position of the transmitting portion 20, not only can scan a human body by relatively synchronously rotating the transmitting portion 20 and the receiving portion 30, but also can scan a human body by fixing the position of the first swing bracket, and by swinging the transmitting assembly 22 relative to the first swing bracket, and moving the receiving portion 30 along with the swinging of the transmitting assembly 22, the image acquisition range of the cone beam CT apparatus provided in this embodiment is effectively improved, so that the cone beam CT apparatus provided in this embodiment can acquire more data as much as possible in a limited space, and provide more accurate affected part information.

In a specific embodiment, the first direction provided in this embodiment is a horizontal direction, and of course, in other embodiments, the first direction provided in this embodiment may be other directions.

Referring to fig. 1 to 5, in order to improve the image acquisition range of the cone beam CT apparatus provided in the present embodiment, the frame portion 10 in the present embodiment includes a frame body and a second swing frame 12, the second swing frame 12 is pivotally connected to the frame body, a pivot axis between the second swing frame 12 and the frame body extends in a second direction, and the first swing frame 21 and the receiving portion 30 are movably mounted on the second swing frame 12. The second swing frame 12 provided in this embodiment is pivotally connected to the frame body, and the first swing frame 21 and the receiving portion 30 are movably mounted on the second swing frame 12, so that the cone beam CT apparatus provided in this embodiment changes the angles of the transmitting portion 20 and the receiving portion 30 with respect to the human body by adjusting the swing angle of the second swing frame 12, so that the image acquisition range of the cone beam CT apparatus provided in this embodiment can be effectively improved, and the cone beam CT apparatus provided in this embodiment can acquire more data as much as possible in a limited space, thereby providing more accurate affected part information.

In a specific embodiment, the second direction provided in this embodiment is a horizontal direction perpendicular to the first direction, and of course, in other embodiments, the second direction provided in this embodiment may be other methods.

Referring to fig. 3 and 4, in a specific embodiment, the frame portion 10 further includes a first bearing assembly 13 and a second bearing assembly 14, where the first bearing assembly 13 and the second bearing assembly 14 are disposed on the second swing frame 12, the first bearing assembly 13 and the second bearing assembly 14 are coaxially disposed, the first swing frame 21 is movably mounted on the second swing frame 12 through the first bearing assembly 13, and the receiving portion 30 is movably mounted on the second swing frame 12 through the second bearing assembly 14. By providing the first bearing assembly 13 and the second bearing assembly 14 on the second swing frame 12 provided in the present embodiment, the first swing frame 21 provided in the present embodiment can be movably mounted on the second swing frame 12 through the first bearing assembly 13, the receiving portion 30 can be movably mounted on the second swing frame 12 through the second bearing assembly 14, and at the same time, by providing the first bearing assembly 13 and the second bearing assembly 14 coaxially provided in the present embodiment, the transmitting assembly 22 on the first swing frame 21 and the receiving portion 30 can be relatively rotated synchronously on the second swing frame 12.

In an alternative embodiment, the second swing frame 12 provided in this embodiment is provided with an annular base 121, and the first bearing assembly 13 and the second bearing assembly 14 provided in this embodiment are respectively disposed on two opposite sides of the annular base 121 in the axial direction and are disposed coaxially with the annular base 121.

In an alternative embodiment, the inner ring of the first bearing assembly 13 is fixedly connected to the annular base 121, and the first swing frame 21 is fixedly connected to the outer ring of the first bearing assembly 13, so that the first swing frame 21 provided in this embodiment can rotate along the central axis of the first bearing assembly 13.

In an alternative embodiment, the inner ring of the second bearing assembly 14 is fixedly connected to the annular base 121, and the receiving portion 30 is fixedly connected to the outer ring of the second bearing assembly 14, so that the receiving portion 30 provided in this embodiment can rotate along the central axis of the second bearing assembly 14.

Most of cone beam CT devices in the prior art install the emitter or the receiver by using a mode that the segmented guide rails are spliced into the annular guide rail and matched with the sliding blocks, because a certain gap exists between the two adjacent segmented guide rails, the phenomenon of shaking and swaying can occur when the sliding blocks pass through the gap, the emitter or the receiver installed on the sliding blocks can shake and sway, the imaging of the cone beam CT device is caused to generate errors, the cone beam CT device provided by the embodiment installs the emitting part 20 and the receiving part 30 respectively through the first bearing component 13 and the second bearing component 14, the phenomenon of shaking and swaying can not occur in the moving process of the emitting part 20 and the receiving part 30, and the imaging effect is more accurate.

In an alternative embodiment, the receiving portion 30 provided in this embodiment includes a receiver mounting frame and an X-ray receiver, where the receiver mounting frame is fixedly connected to the outer ring of the second bearing assembly 14, and the X-ray receiver is fixedly connected to the receiver mounting frame.

Referring to fig. 1,3 and 4, in a specific embodiment, the transmitting portion 20 in this embodiment further includes a first driving component 23, where the first driving component 23 is disposed on the first swing frame 21 and is in driving connection with the transmitting component 22, and the transmitting component 22 can swing along a pivot axis between the transmitting component 22 and the first swing frame 21 under the driving of the first driving component 23. By providing the first driving component 23 on the first swinging frame 21 provided in this embodiment and enabling the first driving component 23 to be in driving connection with the emitting component 22, the emitting component 22 provided in this embodiment can swing along the pivot axis between the emitting component 22 and the first swinging frame 21 under the driving of the first driving component 23.

In a specific embodiment, the first driving component 23 provided in this embodiment is a swinging push rod, a first end of the swinging push rod is pivoted on the first swinging frame 21, and a second end of the swinging push rod is pivoted on an end of the transmitting component 22 away from a pivot axis of the transmitting component 22 and the first swinging frame 21, so that the transmitting component 22 provided in this embodiment can swing along the pivot axis of the transmitting component 22 and the first swinging frame 21 along with the extension and retraction of the swinging push rod.

In an alternative embodiment, the oscillating push rod provided in this embodiment is an electric push rod.

In an alternative embodiment, the first swing frame 21 provided in this embodiment is provided with a first mounting plate, and the first swing frame 21 provided in this embodiment can be fixedly connected with the outer ring of the first bearing assembly 13 through the first mounting plate.

In an alternative embodiment, the first swing frame 21 provided in this embodiment is provided with a swing bearing seat, and a central axis of the swing bearing seat extends along the first direction, and the transmitting assembly 22 provided in this embodiment is pivoted on the first swing frame 21 through the swing bearing seat.

In an alternative embodiment, the emission component 22 provided in this embodiment includes an X-ray emitter and a second mounting plate, where the second mounting plate is pivoted to the first swing frame 21 through a swing bearing seat, a second end of the swing push rod is pivoted to an end of the second mounting plate away from the swing bearing seat, and the X-ray emitter is fixedly mounted on another end of the second mounting plate away from the swing bearing seat.

Referring to fig. 1 and 2, in a specific embodiment, the frame portion 10 further includes a second driving assembly 15, where the second driving assembly 15 is disposed on the frame body and is drivingly connected to the second swing frame 12, and the second swing frame 12 is capable of swinging along a pivot axis between the second swing frame 12 and the frame body under the driving of the second driving assembly 15. By arranging the second driving component 15 on the frame main body provided in the present embodiment and enabling the second driving component 15 to be in driving connection with the second swinging frame 12, the second frame component provided in the present embodiment can swing along the pivot axis between the second swinging frame 12 and the frame main body under the driving of the second driving component 15.

Referring to fig. 4, in a specific embodiment, the frame portion 10 further includes a third driving assembly 16, where the third driving assembly 16 is disposed on the second swing frame 12 and is in driving connection with the first swing frame 21, and the first swing frame 21 can rotate along the central axis of the first bearing assembly 13 under the driving of the third driving assembly 16. By providing the third driving component 16 on the second swing frame 12 provided in the present embodiment and driving the third driving component 16 to connect with the first swing frame 21, the first swing frame 21 provided in the present embodiment can automatically rotate on the second swing frame 12 along the central axis of the first bearing component 13 under the driving of the third driving component 16.

In an alternative embodiment, the third driving assembly 16 provided in this embodiment is in driving connection with the outer ring of the first bearing assembly 13, and the outer ring of the first bearing assembly 13 can be driven by the third driving assembly 16 to drive the first swinging frame 21 fixedly connected with the outer ring of the first bearing assembly 13 to rotate along the central axis of the first bearing assembly 13.

In an alternative embodiment, the outer ring of the first bearing assembly 13 provided in this embodiment is provided with a first gear structure, the third driving assembly 16 provided in this embodiment includes a first driving motor and a first driving gear, the first driving motor provided in this embodiment is disposed on the second swinging frame 12, the first driving gear is disposed on the output end of the first driving motor, the first driving gear can rotate under the driving of the first driving motor, and because the first driving gear is meshed with the first gear structure disposed on the outer ring of the first bearing assembly 13, the rotating first gear can drive the outer ring of the first bearing assembly 13, so that the outer ring of the first bearing assembly 13 rotates along the central axis of the first bearing assembly 13, and further the first swinging frame 21 fixedly connected with the outer ring of the first bearing assembly 13 can rotate along the central axis of the first bearing assembly 13.

Referring to fig. 4, in a specific embodiment, the frame portion 10 further includes a fourth driving assembly 17, where the fourth driving assembly 17 is disposed on the second swing frame 12 and is in driving connection with the receiving portion 30, and the receiving portion 30 can rotate along the central axis of the second bearing assembly 14 under the driving of the fourth driving assembly 17. By providing the fourth driving unit 17 on the second swing frame 12 provided in the present embodiment and driving the fourth driving unit 17 to connect with the receiving portion 30, the receiving portion 30 provided in the present embodiment can automatically rotate on the second swing frame 12 along the central axis of the second bearing unit 14 under the driving of the fourth driving unit 17.

In an alternative embodiment, the fourth driving assembly 17 is in driving connection with the outer ring of the second bearing assembly 14, and the outer ring of the second bearing assembly 14 can be driven by the fourth driving assembly 17 to drive the receiving portion 30 fixedly connected with the outer ring of the second bearing assembly 14 to rotate along the central axis of the second bearing assembly 14.

In an alternative embodiment, the second gear structure is disposed on the outer ring of the second bearing assembly 14, the fourth driving assembly 17 provided in this embodiment includes a second driving motor and a second driving gear, the second driving motor provided in this embodiment is disposed on the second swing frame 12, the second driving gear is disposed on the output end of the second driving motor, and the second driving gear can rotate under the driving of the second driving motor, and because the second driving gear is meshed with the second gear structure disposed on the outer ring of the second bearing assembly 14, the rotating second gear can drive the outer ring of the second bearing assembly 14, so that the outer ring of the second bearing assembly 14 rotates along the central axis of the second bearing assembly 14, and further, the receiving portion 30 fixedly connected with the outer ring of the second bearing assembly 14 can rotate along the central axis of the second bearing assembly 14.

In an alternative embodiment, the first driving motor and the second driving motor provided in this embodiment are both disposed at the bottom of the annular base 121.

In a specific embodiment, the central axis of the first bearing assembly 13 and the central axis of the second bearing assembly 14 provided in this embodiment extend along the first direction, and in other embodiments, the central axis of the first bearing assembly 13 and the central axis of the second bearing assembly 14 provided in this embodiment may extend along other directions.

Referring to fig. 3 and 4, in a specific embodiment, a first support shaft 122 and a second support shaft 123 are respectively disposed on two ends of the second swing frame 12 in this embodiment, where the first support shaft 122 and the second support shaft 123 are coaxially disposed and extend along the second direction, and one of the first support shaft 122 and the second support shaft 123 is in driving connection with the second driving assembly 15; the cone beam CT apparatus further includes a bearing support 40, the bearing support 40 including a first bearing support assembly 41 and a second bearing support assembly 42, the first bearing support assembly 41 and the second bearing support assembly 42 being disposed on the frame body, the first bearing support assembly 41 being configured to support the first support shaft 122, and the second bearing support assembly 42 being configured to support the second support shaft 123. By providing the first support shaft 122 and the second support shaft 123 extending in the second direction on both ends of the second swing frame 12 provided in the present embodiment, and providing the first bearing support assembly 41 and the second bearing support assembly 42 on the frame body, the second swing frame 12 provided in the present embodiment can be pivotally connected to the frame body through the cooperation of the first support shaft 122 and the first bearing support assembly 41 and the cooperation of the second support shaft 123 and the second bearing support assembly 42.

In a specific embodiment, the frame body provided in this embodiment includes a first supporting frame 111 and a second supporting frame 112, where the first supporting frame 111 and the second supporting frame 112 provided in this embodiment are respectively located at two ends of the second swinging frame 12, and the first bearing support assembly 41 and the second bearing support assembly 42 are respectively disposed on the first supporting frame 111 and the second supporting frame 112.

In an alternative embodiment, the first bearing support assembly 41 and the second bearing support assembly 42 provided in this embodiment are bearing blocks.

In an alternative embodiment, the second driving assembly 15 provided in this embodiment is disposed on the first support frame 111 and is in driving connection with the first support shaft 122.

In a specific embodiment, the second driving assembly 15 provided in this embodiment includes a third driving motor and a speed reducer 151, where the third driving motor and the speed reducer 151 provided in this embodiment are both disposed on the first supporting frame 111, and an output end of the third driving motor is in driving connection with an input end of the speed reducer 151, and an output end of the speed reducer 151 is in driving connection with the first supporting shaft 122.

In an alternative embodiment, the second driving assembly 15 provided in this embodiment further includes a belt transmission module 152, where the belt transmission module 152 provided in this embodiment is sleeved on the output end of the third driving motor and the input end of the speed reducer 151, and the output end of the third driving motor and the input end of the speed reducer 151 can be connected by driving the belt transmission module 152.

In an alternative embodiment, the second driving assembly 15 provided in this embodiment further includes a tension sleeve 153, where the tension sleeve 153 provided in this embodiment is disposed on the output end of the speed reducer 151 and coaxially disposed with the output end of the speed reducer 151, and the first support shaft 122 is coaxially disposed with the tension sleeve 153, and the tension sleeve 153 provided in this embodiment can sleeve the input end of the first support shaft 122, so that the output end of the speed reducer 151 is in driving connection with the input end of the first support shaft 122.

In an alternative embodiment, the first support frame 111 provided in this embodiment is provided with a fixing flange 1111, and the speed reducer 151 provided in this embodiment can be fixedly mounted to the first support frame 111 through the fixing flange 1111.

In an alternative embodiment, the output end of the speed reducer 151 provided in this embodiment is provided with an output flange 1511, and the tension sleeve 153 provided in this embodiment can be fixedly mounted on the output end of the speed reducer 151 through the output flange 1511.

In a specific embodiment, in order to limit the swing of the second swing bracket, the output flange 1511 provided in this embodiment is provided with a limiting protrusion 15111, the fixing flange 1111 is provided with two limiting blocks 11111, the two limiting blocks 11111 extend along the radial direction of the fixing flange 1111 and are arranged along the circumferential direction of the fixing flange 1111 at intervals, a limiting space is formed between the two limiting blocks 11111, the limiting protrusion 15111 provided in this embodiment is located in the limiting space, and in the swing process of the output flange 1511 provided in this embodiment, the limiting protrusion 15111 and the limiting block 11111 can be matched to limit, so that the swing of the second swing bracket connected with the output end of the speed reducer 151 in a driving manner can be effectively limited, and meanwhile, the equipment toppling caused by overlarge swing angle of the second swing bracket in the middle can be effectively prevented through angle limiting the swing of the second swing bracket.

Referring to fig. 3 to 5, in a specific embodiment, the cone beam CT apparatus in this embodiment further includes a position detecting section including a first position detecting member 51 and a second position detecting member 52, the first position detecting member 51 being disposed on one of the first support shaft 122 and the second support shaft 123, the second position detecting member 52 being disposed on the frame body and corresponding to a position of the first position detecting member 51, the second position detecting member 52 being capable of detecting position data on the first position detecting member 51 to determine a position of the second swing frame 12 with respect to the frame body. By providing the first position detecting assembly 51 on one of the first support shaft 122 and the second support shaft 123, providing the second position detecting assembly 52 on the frame body, and making the position of the second detecting assembly correspond to the position of the first position detecting assembly 51, the cone beam CT apparatus provided in this embodiment can detect the position data on the first position detecting assembly 51 through the second position detecting assembly 52, thereby determining the position of the second swing frame 12 with respect to the frame body.

In an alternative embodiment, the first position detecting component 51 provided in this embodiment is a magnetic ring, and the second position detecting component 52 is an encoder sensor integrated module, where the encoder sensor integrated module provided in this embodiment can determine the inclination angle of the second swing frame 12 relative to the frame body by detecting the position data on the magnetic ring.

In a specific embodiment, the cone beam CT apparatus in this embodiment further includes a moving support portion 60, and the moving support portion 60 is provided on the frame portion 10 for supporting the frame portion 10, and the frame portion 10 can be moved by the moving support portion 60.

In a specific embodiment, the moving support portion 60 provided in this embodiment includes a first universal steering wheel set 61 and a second universal steering wheel set 62, where the first universal steering wheel set 61 and the second universal steering wheel set 62 are respectively disposed at bottoms of the first support frame 111 and the second support frame 112, and the cone beam CT apparatus provided in this embodiment can move through the first universal steering wheel set 61 and the second universal steering wheel set 62.

In an alternative embodiment, the first universal steering wheel sets 61 and the second universal steering wheel sets 62 provided in this embodiment are all a plurality of, the first universal steering wheel sets 61 are disposed at intervals at the bottom of the first support frame 111, and the second universal steering wheel sets 62 are disposed at intervals at the bottom of the second support frame 112.

In an alternative embodiment, the moving support portion 60 provided in this embodiment further includes a first universal wheel set and a second universal wheel set, where the first universal wheel set and the second universal wheel set are respectively disposed at bottoms of the first support frame 111 and the second support frame 112.

The cone beam CT apparatus in the prior art needs to be matched with the movement of the operating table to realize the scanning of different positions of the human body, the cone beam CT apparatus does not have mobility and occupies a large space, and the cone beam CT apparatus provided in this embodiment is provided with a plurality of first universal steering wheel sets 61 and a plurality of second universal steering wheel sets 62 at the bottoms of the first support frame 111 and the second support frame 112 respectively, so that the cone beam CT apparatus can move randomly under the driving of the plurality of first universal steering wheel sets 61 and the plurality of second universal steering wheel sets 62, and can realize the movement modes such as straight movement, steering, turning and the like, so that the apparatus can conveniently and quickly reach the use position, is not constrained by a single CT special room, can enter the operating room at any time to participate in the operation, greatly improves the reliability and safety of the operation, and can also leave the working position rapidly as required, so as to leave enough operation space for doctors.

In an alternative embodiment, the cone beam CT apparatus provided in this embodiment further includes a power supply unit, where the power supply unit provided in this embodiment includes a high voltage generator, and the high voltage generator provided in this embodiment is disposed on the second swing frame 12 and is electrically connected to the X-ray emitter and the X-ray receiver, so that an external power supply can supply power to the X-ray emitter and the X-ray receiver through the high voltage generator.

In an alternative embodiment, the power supply portion provided in this embodiment further includes a first storage bin and a first cable, the first storage bin provided in this embodiment is disposed on the second swing support, the first cable is at least partially stored in the first storage bin, two ends of the first cable are electrically connected with the X-ray emitter and the high voltage generator respectively, the first storage bin can drive the first cable to be stored on the first storage bin under the condition that the X-ray emitter rotates along the central axis of the first bearing assembly 13, so that the high voltage generator can supply power to the X-ray emitter through the first cable in real time.

In an alternative embodiment, the power supply unit provided in this embodiment further includes a first guide wheel set, where the first guide wheel set provided in this embodiment is disposed on the second swing bracket and corresponds to the position of the first cable, and is configured to guide movement of the first cable and limit swing of the first cable.

In an alternative embodiment, the outer ring of the first bearing assembly 13 provided in this embodiment is provided with a plurality of first hook assemblies, and the plurality of first hook assemblies are disposed along the circumferential direction of the first bearing assembly 13 at intervals, and in the process that the first cable provided in this embodiment extends from the first storage bin, the first cable can be gradually hung on the plurality of first hook assemblies, so as to limit the first cable, thereby avoiding the contact between the first cable and the transmission part of the cone beam CT apparatus. Of course, in other embodiments, the plurality of first hook assemblies provided in this embodiment may also be a housing having a guiding and limiting groove extending along the circumferential direction of the first bearing assembly 13.

In an alternative embodiment, the first take-up pulley assembly is disposed in the first storage bin provided in this embodiment, the first cable provided in this embodiment is wound on the output end of the first take-up pulley assembly, and the first cable can be received into the first storage bin under the driving of the first take-up pulley assembly.

In an alternative embodiment, the power supply portion provided in this embodiment further includes a second storage bin and a second cable, where the second storage bin provided in this embodiment is disposed on the second swing bracket, the second cable is at least partially stored in the second storage bin, two ends of the second cable are electrically connected to the X-ray receiver and the high voltage generator respectively, and the second storage bin can drive the second cable to be stored on the second storage bin when the X-ray receiver rotates along the central axis of the second bearing assembly 14, so that the high voltage generator can supply power to the X-ray receiver through the second cable in real time.

In an alternative embodiment, the power supply unit further includes a second guide wheel set, where the second guide wheel set is disposed on the second swing bracket and corresponds to the position of the second cable, and is configured to guide movement of the second cable and limit swing of the second cable.

In an alternative embodiment, the second take-up pulley assembly is disposed in the second storage bin provided in this embodiment, the second cable provided in this embodiment is wound on the output end of the second take-up pulley assembly, and the second cable can be received into the second storage bin under the driving of the second take-up pulley assembly, however, in other embodiments, the second cable provided in this embodiment can also be received into the second storage bin under the action of the turning force and gravity of the outer ring of the second bearing assembly 14.

In an alternative embodiment, the outer ring of the second bearing assembly 14 provided in this embodiment is provided with a plurality of second hook assemblies, where the plurality of second hook assemblies are disposed at intervals along the circumferential direction of the second bearing assembly 14, and in the process that the second cable provided in this embodiment extends from the second storage bin, the second cable can be gradually hung on the plurality of second hook assemblies to limit the second cable, so as to avoid the second cable from contacting with the transmission part of the cone beam CT apparatus, and in other embodiments, the plurality of second hook assemblies provided in this embodiment may also be a housing with a guiding limiting groove extending along the circumferential direction of the second bearing assembly 14.

In an alternative embodiment, the cone beam CT apparatus provided in this embodiment further includes a display unit 70, where the display unit 70 is disposed on the frame body and electrically connected to the X-ray receiver, for displaying the scanning result of the cone beam CT apparatus in real time.

In a specific embodiment, the cone beam CT apparatus provided in this embodiment can drive the outer ring of the first bearing assembly 13 and the outer ring of the second bearing assembly 14 by using the third driving assembly 16 and the fourth driving assembly 17, respectively, so that the emitting portion 20 on the outer ring of the first bearing assembly 13 and the receiving portion 30 on the outer ring of the second bearing assembly 14 can rotate relatively, thereby implementing a conventional centering circumference scanning function.

In an alternative embodiment, during the centering circumferential scan of the cone beam CT apparatus provided in this embodiment, the X-ray receiver is parallel to the X-ray emitter, and the plane midpoint of the X-ray receiver coincides with the central axis of the beam emitted by the X-ray emitter.

In a specific embodiment, the cone beam CT apparatus provided in this embodiment can enable the transmitting assembly 22 to swing on the first swing frame 21 by keeping the third driving assembly 16 stationary and enabling the swing push rod to extend or retract, and simultaneously drive the outer ring of the second bearing assembly 14 by the fourth driving assembly 17, so that the receiving portion 30 rotates along the central axis of the second bearing assembly 14 in the swinging direction of the transmitting assembly 22, thereby realizing the function of two-side supplementary angle scanning.

In a specific embodiment, the cone beam CT apparatus provided in this embodiment can drive the second swing frame 12 by using the second driving component 15, so that the second swing frame 12 swings on the frame main body, after the second swing frame 12 swings to a preset angle, the second driving component 15 can be stopped, at this time, the second swing frame 12 is locked on the frame main body, and after the second swing frame 12 is locked, the emission portion 20 and the receiving portion 30 which keep relative positions can perform scanning, so as to implement a function of single-point front-back angle supplementary scanning.

In a specific embodiment, the cone beam CT apparatus provided in this embodiment can move back and forth by the moving support 60 provided at the bottom of the frame body, so as to realize the function of back and forth supplementary scanning.

In a specific embodiment, the X-ray emitter and the X-ray receiver provided in the embodiment all adopt a connection mode of a cable straight support for electric energy transmission, instead of a traditional slip ring electric energy conduction mode, so that the whole size design of the cone beam CT apparatus provided in the embodiment is more compact and the occupied area is smaller.

In a specific embodiment, the cone beam CT apparatus provided in this embodiment can perform multi-angle and multi-position fine scanning on a human body, and perfect multi-angle data, so as to obtain more accurate and detailed three-dimensional image data.

In summary, implementing the cone beam CT apparatus provided in this embodiment has at least the following beneficial technical effects: the cone beam CT apparatus provided in this embodiment, by movably mounting the first swing bracket and the receiving portion 30 on the frame portion 10, and pivotally connecting the transmitting assembly 22 on the first swing bracket, and setting the position of the receiving portion 30 to be able to correspond to the position of the transmitting portion 20, not only can scan a human body by relatively synchronously rotating the transmitting portion 20 and the receiving portion 30, but also can scan a human body by fixing the position of the first swing bracket, and by swinging the transmitting assembly 22 relative to the first swing bracket, and moving the receiving portion 30 along with the swinging of the transmitting assembly 22, the image acquisition range of the cone beam CT apparatus provided in this embodiment is effectively improved, so that the cone beam CT apparatus provided in this embodiment can acquire more data as much as possible in a limited space, and provide more accurate affected part information.

The foregoing description of the preferred embodiments of the application is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the application.

Claims (10)

1. A cone-beam CT apparatus, characterized in that the cone-beam CT apparatus comprises:

a frame part (10);

The X-ray radiation device comprises a radiation part (20), wherein the radiation part (20) comprises a first swing frame (21) and a radiation component (22), the first swing frame (21) is movably arranged on the frame part (10), the radiation component (22) is pivoted on the first swing frame (21), a pivot axis between the radiation component (22) and the first swing frame (21) extends along a first direction, and the radiation component (22) can swing relative to the first swing frame (21) and radiate X-rays into an external environment;

-a receiving portion (30), said receiving portion (30) being movably mounted on said frame portion (10), a position of said receiving portion (30) being able to correspond to a position of said emitting portion (20), said receiving portion (30) being adapted to receive said X-rays emitted by said emitting assembly (22) into the external environment.

2. Cone-beam CT apparatus as claimed in claim 1, characterized in that the frame part (10) comprises a frame body and a second swing frame (12), the second swing frame (12) being pivotally connected to the frame body, the pivot axis between the second swing frame (12) and the frame body extending in a second direction, the first swing frame (21) and the receiving part (30) being movably mounted on the second swing frame (12).

3. Cone-beam CT apparatus as claimed in claim 2, characterized in that the frame part (10) further comprises a first bearing assembly (13) and a second bearing assembly (14), the first bearing assembly (13) and the second bearing assembly (14) being arranged on the second swing frame (12), the first bearing assembly (13) being arranged coaxially with the second bearing assembly (14), the first swing frame (21) being movably mounted on the second swing frame (12) by means of the first bearing assembly (13), the receiving part (30) being movably mounted on the second swing frame (12) by means of the second bearing assembly (14).

4. Cone-beam CT apparatus according to claim 1, characterized in that the emitting part (20) further comprises a first driving assembly (23), which first driving assembly (23) is arranged on the first swing frame (21) and is in driving connection with the emitting assembly (22), which emitting assembly (22) is capable of swinging along a pivot axis between the emitting assembly (22) and the first swing frame (21) under the driving of the first driving assembly (23).

5. Cone-beam CT apparatus as claimed in claim 2, characterized in that the frame part (10) further comprises a second drive assembly (15), which second drive assembly (15) is arranged on the frame body and is in driving connection with the second swing frame (12), which second swing frame (12) is capable of swinging along a pivot axis between the second swing frame (12) and the frame body under the drive of the second drive assembly (15).

6. A cone beam CT apparatus as claimed in claim 3, wherein the frame portion (10) further comprises a third drive assembly (16), the third drive assembly (16) being arranged on the second swing frame (12) and being in driving connection with the first swing frame (21), the first swing frame (21) being rotatable along the first bearing assembly (13) central axis under the drive of the third drive assembly (16).

7. A cone beam CT apparatus as claimed in claim 3, wherein the frame portion (10) further comprises a fourth drive assembly (17), the fourth drive assembly (17) being arranged on the second swing frame (12) and being in driving connection with the receiving portion (30), the receiving portion (30) being rotatable along the central axis of the second bearing assembly (14) under the drive of the fourth drive assembly (17).

8. The cone beam CT apparatus as claimed in claim 5, wherein a first support shaft (122) and a second support shaft (123) are disposed on both ends of the second swing frame (12), respectively, the first support shaft (122) and the second support shaft (123) being disposed coaxially and extending in the second direction, one of the first support shaft (122) and the second support shaft (123) being drivingly connected to the second driving assembly (15);

The cone beam CT apparatus further comprises a bearing support portion (40), the bearing support portion (40) comprises a first bearing support assembly (41) and a second bearing support assembly (42), the first bearing support assembly (41) and the second bearing support assembly (42) are arranged on the frame body, the first bearing support assembly (41) is used for supporting the first support shaft (122), and the second bearing support assembly (42) is used for supporting the second support shaft (123).

9. The cone beam CT apparatus as recited in claim 8, further comprising a position detecting section including a first position detecting assembly (51) and a second position detecting assembly (52), the first position detecting assembly (51) being disposed on one of the first support shaft (122) and the second support shaft (123), the second position detecting assembly (52) being disposed on the frame body and corresponding to a position of the first position detecting assembly (51), the second position detecting assembly (52) being capable of detecting position data on the first position detecting assembly (51) to determine a position of the second swing frame (12) relative to the frame body.

10. The cone-beam CT apparatus as claimed in any of claims 1 to 9, further comprising a moving support (60), the moving support (60) being arranged on the frame (10) for supporting the frame (10), the frame (10) being movable by the moving support (60).