Support device and medical scanning system

Abstract

A support device and a medical scanning system are provided. In this support device, the support plate includes a plate portion and a docking assembly. The docking assembly includes a first docking member fixedly mounted to the plate portion and a second docking member movably mounted to the plate portion. These docking members include docking portions that are received in docking grooves of the scanning bed plate after the support plate is mounted to the scanning bed plate. The second docking member is in a first position before the support plate is mounted to the scanning bed plate; after the support plate is mounted to the scanning bed plate, the second docking member is in a second position, at least in the transverse direction perpendicular to the longitudinal direction, different from the first position. Therefore, by utilizing the aforementioned docking assembly and docking groove, the assembly alignment accuracy of the support plate and the scanning bed plate during assembly can be improved, significantly reducing the probability of skewness or misalignment of the support plate and the scanning bed plate.

Description

Technical Field

[0001] This application relates to the structure of components of a medical scanning system, and more specifically to a support device that can be used in a medical scanning system and a medical scanning system including the support device. Background Technology

[0002] Existing medical imaging technologies include, but are not limited to, computed tomography (CT), magnetic resonance imaging (MRI), and positron emission tomography (PET). All of these can be used to acquire information about the internal structure of a scanned object and are widely used in disease diagnosis and treatment. Taking computed tomography (CT) as an example, during the tomographic scanning of an object such as the human body using X-rays, the X-ray generator rotates around the object. The X-rays emitted by the generator are attenuated to varying degrees after passing through the tissue of the scanned object. The attenuated X-rays are received by an X-ray detector and converted into digital signals. Then, computer processing generates detailed images of the internal structure of the scanned object. Furthermore, in the application of radiation therapy (RT), medical imaging can be used to assist in the formulation of treatment plans. For example, CT imaging scans acquire high-resolution three-dimensional structural images of the patient's body, providing anatomical basis for accurately delineating the tumor target area and surrounding organs at risk, and supporting the physical calculation of radiation dose based on the tissue density information reflected in the images. In addition, data acquired from different modalities of medical imaging can be fused through image registration, thereby improving the accuracy and individualization of treatment plans.

[0003] To ensure geometric consistency between medical imaging data and the radiotherapy process, a support plate (or flat table top, FTT) is typically used in medical imaging such as CT imaging. This support plate matches the treatment bed board used to support the patient in the radiotherapy equipment. The support plate has a flat, uniform physical structure, reducing positional deviations caused by curved surfaces or padding in conventional scanning or diagnostic beds, thereby improving image-to-treatment positioning consistency. The support plate is usually installed as a detachable accessory on the scanning bed board for use during radiotherapy planning scans and can be removed for routine diagnostic scans to meet the needs of different clinical applications. Utility Model Content

[0004] The inventors of this application have discovered that the existing alignment structure of the scanning bed and the support plate is insufficient to guarantee the alignment accuracy and firmness of the scanning bed and the support plate. This may lead to undesirable skewing or offset between the scanning bed and the support plate during assembly and imaging scanning, thereby affecting the positioning accuracy of the scanned object and the imaging quality.

[0005] In view of the problems of the prior art, one object of this application is to provide a support device that can improve the assembly alignment accuracy of the scanning bed plate and the support plate, thereby significantly reducing the probability of the scanning bed plate and the support plate becoming skewed or offset.

[0006] Another objective of this application is to improve the ease of assembly or alignment between the scanning bed plate and the support plate of the support device. By optimizing the structural design of the support device, the support plate can achieve rapid, stable, and high-precision positioning during installation onto the scanning bed plate, thereby simplifying the operation process, reducing the need for manual intervention, and improving the clinical adaptability and efficiency of the system.

[0007] Another objective of this application is to provide a medical scanning system including the above-mentioned support device, which improves the scanning quality of the object being scanned by improving the alignment accuracy of the scanning bed and the support plate of the support device.

[0008] To achieve the above objectives, the embodiments of this application may adopt the following technical solutions.

[0009] Embodiments of this application provide a support device for movably supporting a medical imaging scanning object along its longitudinal direction, the support device comprising:

[0010] Scanning bed plate, which has a mating groove at one end in the longitudinal direction; and

[0011] A support plate includes a plate portion and a docking assembly for mounting the plate portion to a scanning bed plate. The docking assembly includes a main body portion, a first docking member fixedly mounted to the main body portion, and a second docking member movably mounted to the main body portion. The first docking member includes a first docking portion received in a docking groove after the support plate is mounted to the scanning bed plate. The second docking member includes a second docking portion received in the docking groove after the support plate is mounted to the scanning bed plate.

[0012] The second docking member is in a first position before the support plate is installed onto the scanning bed plate, and after the support plate is installed onto the scanning bed plate, the second docking member is in a second position, at least in the lateral direction perpendicular to the longitudinal direction, different from the first position.

[0013] In one alternative, in the first position, the second mating portion extends beyond the first mating portion in the longitudinal direction; in the second position, the second mating portion is aligned with the first mating portion in the longitudinal direction.

[0014] In another alternative embodiment, the width direction of the mating groove is the transverse direction, and the second mating member is configured to be movable along both the longitudinal and transverse directions.

[0015] In another alternative embodiment, the mating groove is formed as an arc-shaped groove, the first mating portion and the second mating portion are arranged at an angle to each other, and the first mating portion and the second mating portion are integrally matched with the shape of the mating groove.

[0016] In another alternative embodiment, the first mating member includes a first inclined surface that is inclined relative to the longitudinal direction and the transverse direction, and the second mating member is formed with a second inclined surface that matches the shape of the first inclined surface, the second inclined surface abutting against the first inclined surface.

[0017] In another alternative, the first bevel is configured to extend longitudinally from the main body toward the mating groove and obliquely toward the longitudinal center of the first mating member in the transverse direction.

[0018] In another alternative embodiment, an adjustment assembly installed on the main body is also included to enable the second docking member to be positioned relative to the first docking member.

[0019] In another alternative embodiment, the adjusting assembly includes a bolt that mates with the second mating member, the bolt passing through the body portion and threadedly connected to the corresponding second mating member.

[0020] In another alternative, the bolt extends in a straight line along the longitudinal direction.

[0021] In another alternative embodiment, the main body has a through hole through which the bolt is threaded to the second mating member, and the through hole is larger in the transverse direction than the outer diameter of the bolt.

[0022] In another alternative embodiment, the cross-sectional shape of the through hole is an oblong shape, and the length direction of the oblong shape is the height direction of the support device.

[0023] In another alternative embodiment, two second mating members are included, and the two second mating members are located on both sides of the first mating member in the lateral direction.

[0024] In another alternative embodiment, the main body of the docking assembly is fixedly mounted on the bottom surface of the flat plate, the main body having a mounting groove, the first docking member and the second docking member being partially housed and mounted in the mounting groove, and the first docking portion of the first docking member and the second docking portion of the second docking member extending out from the mounting groove.

[0025] In another alternative embodiment, the support plate and the scanning bed plate are assembled in a detachable manner.

[0026] When the support device is in its assembled state, the support plate is used to support the scanned object; and

[0027] When the support device is in the disassembled state, the scanning bed is used to support the scanning object.

[0028] This application also provides a medical scanning system, including the support device described in any of the above technical solutions.

[0029] In one alternative, the medical scanning system is a CT scanning system. Attached Figure Description

[0030] Figure 1 This is a perspective view of a support device according to an embodiment of the present application.

[0031] Figure 2 and Figure 3 It shows Figure 1 A three-dimensional schematic diagram of a partial structure of the support device, in which the docking component is in a state where it is not inserted into the docking groove.

[0032] Figure 4 It shows Figure 1 A rear view of a portion of the support structure.

[0033] Figure 5 It shows Figure 1 A three-dimensional schematic diagram of the assembly of the docking components and adjustment components of the support device.

[0034] Figure 6 It shows Figure 5 A cross-sectional view of the assembly taken along the longitudinal and transverse directions.

[0035] Figure 7 This is a perspective view of a medical scanning system according to an embodiment of this application. Detailed Implementation

[0036] The embodiments of this application are described below with reference to the accompanying drawings. For ease of understanding, the elements shown in the drawings may include elements expressed differently from actual dimensions and scales. Furthermore, in the detailed description of the embodiments, for the sake of brevity, this specification does not describe all features of the embodiments in detail. For those skilled in the art related to the content disclosed in this application, any supplements, refinements, or changes to design, manufacturing, or production made based on the technical content disclosed in this application are conventional technical means and are still within the scope of this application and should not be construed as insufficient disclosure of this application.

[0037] Unless otherwise defined, the technical or scientific terms used in the claims and description shall have the ordinary meaning understood by those skilled in the art to which this application pertains. The terms "first," "second," and similar terms used in the description and claims of this application do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Terms such as "comprising" or "including" indicate that the components or objects preceding "comprising" encompass the components or objects listed following "comprising" and their equivalents, and do not exclude other components or objects. Terms such as "connected" or "linked" are not limited to physical or mechanical connections, nor are they limited to direct or indirect connections.

[0038] In this application, "approximately" means that the conditions described herein can be considered to be met within a reasonable margin of error recognized by a person skilled in the art, and the following description uses this expression to convey a similar meaning.

[0039] In this application, "longitudinal" refers to the length direction of the support device (support plate and scanning bed) according to this application, "lateral" refers to the width direction of the support device, and "height direction" refers to the height direction of the support device, wherein the longitudinal, lateral, and height directions are mutually perpendicular. Further, "front side" refers to the side of the medical scanning system that is longitudinally closer to the scanning device, such as a CT scanning system, and "rear side" refers to the side of the medical scanning system that is longitudinally farther away from the scanning device, such as a CT scanning system. Further, "lateral inner side" refers to the side that is laterally closer to the longitudinal center plane of the support device; "lateral outer side" refers to the side that is laterally farther away from the longitudinal center plane of the support device.

[0040] The support device according to embodiments of this application will be described in detail below with reference to the accompanying drawings.

[0041] The support device according to this application can typically be applied to medical scanning systems, such as CT scanning systems (see...). Figure 7At least a portion of the support device is capable of reciprocating along its longitudinal direction D1. The support device is used to support the object being scanned (e.g., a human body to be scanned) while simultaneously moving the object reciprocally along the longitudinal direction D1. Figures 1 to 4 As shown, the support device according to an embodiment of this application includes a support plate 1 and a scanning bed 2 that are detachably assembled together. In the assembled state, the support plate 1 supports the object being scanned. In the detached state, the scanning bed 2 supports the object being scanned. Furthermore, the support device may have a longitudinal center plane extending along the longitudinal direction D1 and the height direction D3, and the support device may have a structure that is substantially mirror-symmetrical with respect to this longitudinal center plane.

[0042] In this embodiment, as Figures 1 to 4 As shown, the support plate 1 includes a plate section 11, a docking assembly 12, and an adjustment assembly 13 assembled together.

[0043] In this embodiment, as Figures 1 to 4 As shown, the plate portion 11 is integrally formed as a plate. The top surface of the plate portion 11 is formed as a plane, which serves as a support surface 11s for supporting the scanned object. The support surface 11s is configured to allow the scanned object to lie flat or be placed on the support surface 11s, thus the support surface 11s has sufficient longitudinal length and lateral width. Furthermore, the bottom surface of the plate portion 11 can be formed to match the shape of the top surface of the scanning bed plate 2. In this embodiment, the bottom surface of the plate portion 11 can be formed as a protruding structure, which matches the shape of the recessed structure formed on the top surface of the scanning bed plate 2. Thus, during the assembly of the support plate 1 and the scanning bed plate 2, the protruding structure and the recessed structure can limit and guide the relative movement of the support plate 1 and the scanning bed plate 2 along the longitudinal direction D1.

[0044] In this embodiment, as Figures 2 to 4As shown, both the docking assembly 12 and the adjusting assembly 13 are mounted on the flat plate portion 11. The main body portion 123 of the docking assembly is positioned at the rear end of the flat plate portion 11 and on the bottom surface of the flat plate portion 11. The main body portion 123 and the flat plate portion 11 can be fixed together with each other using threaded connectors or other suitable fasteners. On one hand, the main body portion 123 has a mounting groove 12c for mounting the first docking member 121 and the second docking member 122 of the docking assembly 12. The mounting groove 12c has an opening facing forward, the depth direction of the mounting groove 12c is aligned with the longitudinal direction D1 of the support device, the width direction of the mounting groove 12c is aligned with the transverse direction D2 of the support device, and the height direction of the mounting groove 12c is aligned with the height direction D3 of the support device. The mounting groove 12c is configured to accommodate the first docking member 121 and the second docking member 122 and to allow a portion of the structure (dating portion) of the first docking member 121 and the second docking member 122 to extend from the opening of the mounting groove 12c. On the other hand, at the bottom of the mounting groove 12c, the main body 123 has multiple through holes 12h extending along the longitudinal direction D1 and through which the bolts 131, 132 of the adjustment assembly 13 are inserted. In this embodiment, the through holes 12h are elongated oval holes. That is, in a cross-section taken along the transverse direction D2 and the height direction D3, the cross-sectional shape of the through hole 12h is an elongated oval, which is typically a so-called "racetrack" shape. The length direction of the elongated oval extends along the height direction D3 of the support device, thereby allowing the position of the bolts 131, 132 in the through holes 12h to be adjusted along the height direction D3. With the above structure, the docking assembly 12 and the adjustment assembly 13 can be easily installed and disassembled without adversely affecting the use of the support surface 11s of the scanning bed plate 2. It is understood that this application does not limit the shape, size, or fixing method of the main body 123 of the docking assembly 12 to the plate 11.

[0045] In this embodiment, as Figure 2 , Figure 5 and Figure 6 As shown, the docking assembly 12 includes a first docking member 121 and two second docking members 122. The first docking member 121 and the second docking members 122 are partially housed and installed in the mounting groove 12c. Figure 6As shown, the first mating member 121 is positioned at the transverse center of the mounting groove 12c, and the first mating member 121 has threaded holes corresponding to a plurality of through holes 12h. By inserting a first bolt 131 through the corresponding through hole 12h into the threaded hole of the first mating member 121, the first mating member 121 can be assembled and fixed in place relative to the main body 123, thus achieving a non-movable installation of the first mating member 121 onto the flat plate 11. Two second mating members 122 are positioned at the transverse ends of the mounting groove 12c, and are located on both transverse sides of the first mating member 121. These two second mating members 122 abut against the first mating member 121. Each second mating member 122 has a threaded hole corresponding to a through hole 12h. By inserting a second bolt 132 through the corresponding through hole 12h into the threaded hole of the second mating member 122, the second mating member 122 can be assembled with the main body 123. Furthermore, the lateral width of the through hole 12h that mates with the second bolt 132 can be slightly larger than the outer diameter of the second bolt 132. Therefore, during the adjustment of the depth to which the second bolt 132 is screwed into the threaded hole of the second mating member 122, the position of the second mating member 122 relative to the first mating member 121 can be changed using the aforementioned inclined surface fit between the first mating member 121 and the second mating member 122. This allows the second mating member 122 to be movably mounted onto the flat plate portion 11. However, it should be understood that after the mating assembly 12 is adjusted in the following manner, the second bolt 132 can ultimately fix the second mating member 122 relative to the flat plate portion 11.

[0046] To facilitate adjustment of the second docking member 122 so that the docking assembly 12 can compensate for the gap between itself and the docking groove 2c of the scanning bed plate 2, such as Figure 5 and Figure 6 As shown, both lateral sides of the first mating member 121 are formed as first inclined surfaces 121s that are inclined relative to the longitudinal direction D1 and the lateral direction D2. Figure 6 In this configuration, both first inclined surfaces 121s of the first mating member 121 are configured to extend longitudinally from the main body 123 toward the mating groove 2c (towards the longitudinal front side) and obliquely toward the longitudinal center of the first mating member 121 (towards the transverse inner side) in the transverse direction D2. Thus, in Figure 6 In the cross-sectional view shown along longitudinal direction D1 and transverse direction D2, the cross-sectional shape of the first mating member 121 is approximately an isosceles trapezoid. Further, each of the two second mating members 122 has a second inclined surface 122s that mates with the shape of the corresponding first inclined surface 121s. The second inclined surfaces 122s of the two second mating members 122 abut against the first inclined surface 121s. Thus, in Figure 6In the cross-sectional view shown along longitudinal direction D1 and transverse direction D2, the cross-sectional shape of the second docking member 122 is approximately a right-angled trapezoid. Thus, by changing the depth to which the second bolt 132 of the adjusting assembly 13 is screwed into the threaded hole of the second docking member 122, the second docking member 122 can be guided by the engagement of the first inclined surface 121s and the second inclined surface 122s. This allows the second docking member 122 to be adjusted in position relative to the first docking member 121 along longitudinal direction D1, and simultaneously adjusted in position relative to the first docking member 121 along transverse direction D2. During this position adjustment process, the dimensions of the docking assembly 12, composed of the first docking member 121 and the second docking member 122, in transverse direction D2 can be changed, allowing the docking assembly 12 to compensate for the gap between itself and the docking groove 2c of the scanning bed plate 2 in transverse direction D2. Furthermore, by utilizing the cooperating first inclined plane 121s and second inclined plane 122s for guidance, the relative movement of the second docking member 122 relative to the first docking member 121 can be stably and easily achieved, making it less prone to misalignment during the position adjustment of the second docking member 122. By adjusting the position of the two second docking members 122 on both sides of the lateral direction relative to the first docking member 121 in the lateral direction D2, the gap between the docking assembly 12 and the docking groove 2c can be more fully compensated.

[0047] In order for the docking assembly 12 and the docking groove 2c to effectively align and limit the support plate 1 and the scanning bed plate 2, such as Figure 2 , Figure 5 and Figure 6As shown, the first docking member 121 includes a first docking portion 1211 received in the docking groove 2c after the support plate 1 is mounted to the scanning bed plate 2. Each second docking member 122 includes a second docking portion 1221 received in the docking groove 2c after the support plate 1 is mounted to the scanning bed plate 2. The first docking portion 1211 of the first docking member 121 and the second docking portion 1221 of the second docking member 122 extend at least partially from the mounting groove 12c, and the first docking portion 1211 and the two second docking portions 1221 constitute the docking portion of the docking assembly 12 that matches the shape of the docking groove 2c. In this embodiment, the first docking portion 1211 and the two second docking portions 1221 are continuous in the transverse direction D2, and the two second docking portions 1221 are configured to be arranged at an angle to the first docking portion 1211, such that the second docking portions 1221 curve upward from the first docking portion 1211 toward the upper side in the height direction D3. Thus, the first docking portion 1211 and the two second docking portions 1221 as a whole can form a curved arcuate tongue. The first docking portion 1211 forms the transverse central portion of the arc-shaped tongue, and the two second docking portions 1221 form the transverse side portions of the arc-shaped tongue. It is understood that even if the second docking member 122 is adjusted relative to the first docking member 121, causing the two second docking portions 1221 to be offset from the first docking portion 1211 by a certain dimension in the longitudinal direction D1, it will not affect the overall shape of the arc-shaped tongue formed by the two second docking portions 1221 and the first docking portion 1211. Because an arc-shaped tongue is formed, compared to a straight tongue, it is more advantageous for supporting the alignment and positioning of the plate 1 and the scanning bed plate 2 using the docking assembly 12 and the docking groove 2c.

[0048] In this embodiment, as Figure 3 , Figure 4 and Figure 6As shown, the adjustment assembly 13 is mounted on the flat plate portion 11 via the main body portion 123, and is used to adjust the second mating member 122 so that the second mating member 122 can be positioned relative to the first mating member 121 in the longitudinal direction D1 and the transverse direction D2. Specifically, in this embodiment, the adjustment assembly 13 includes a first bolt 131 connected to the first mating member 121 and a second bolt 132 connected to the second mating member 122. The first bolt 131 extends linearly along the longitudinal direction D1, and is inserted into the through hole 12h and passes through the main body portion 123 to be threadedly connected to the threaded hole of the first mating member 121. The second bolt 132 extends linearly along the longitudinal direction D1, and is inserted into the through hole 12h and passes through the main body portion 123 to be threadedly connected to the threaded hole of the second mating member 122. In this embodiment, in order to ensure that the first mating member 121 can be firmly fixed relative to the main body portion 123 via the first bolts 131, three first bolts 131 corresponding to the first mating member 121 are provided. Thus, the position of the first bolt 131 in the height direction D3 can be adjusted along the through hole 12h of the main body 123. After the three first bolts 131 are adjusted to their positions, the position of the first mating member 121 relative to the main body 123 and the flat plate 11 in the height direction D3 can be finally adjusted. Furthermore, the first mating member 121 is fixed relative to the main body 123 and the flat plate 11 by tightening the first bolts 131. In addition, in order to adjust the position of the second mating member 122 not only in the height direction D3 but also in the longitudinal direction D1 and the transverse direction D2 relative to the first mating member 121, a second bolt 132 is provided corresponding to each second mating member 122. Thus, on the one hand, the position of the second bolt 132 in the height direction D3 can be adjusted along the through hole 12h of the main body 123. After the second bolt 132 is adjusted to its positions, the position of the second mating member 122 relative to the first mating member 121, the main body 123, and the flat plate 11 in the height direction D3 can be finally adjusted. On the other hand, by adjusting the depth to which the second bolt 132 is screwed into the threaded hole of the second mating member 122, and guided by the first inclined plane 121s and the second inclined plane 122s, the position of the second mating member 122 relative to the first mating member 121 in the longitudinal direction D1 and the transverse direction D2 can be adjusted. Moreover, after the second bolt 132 is adjusted to the correct position, the second bolt 132 can ultimately fix the second mating member 122 relative to the first mating member 121 and the main body 123. Thus, the adjustment assembly 13 can not only realize the position adjustment of the mating members of the mating assembly 12, but also fix the mating members relative to the support plate 1 and the scanning bed plate 2 after the position adjustment.By utilizing the threaded connection between the second bolt 132 and the second mating member 122, as well as the guiding function of the first inclined surface 121s and the second inclined surface 122s, the movement of the second mating member 122 relative to the first mating member 121 can be easily realized, so as to fully compensate for the gap between the mating assembly 12 and the mating groove 2c.

[0049] In this embodiment, the scanning bed 2 can be installed on a horizontal surface, such as an indoor floor, and can be used alone or assembled with the aforementioned support plate 1. Figure 2 and Figure 3 As shown, a docking groove 2c is provided at the rear end of the scanning bed plate 2. The depth direction of the docking groove 2c is consistent with the longitudinal direction D1, and the width direction of the docking groove 2c is consistent with the transverse direction D2. The height direction of the docking groove 2c is consistent with the height direction D3 of the support device. The docking groove 2c is formed into a curved arc-shaped groove, thereby fitting with the overall shape of the docking portion (first docking portion 1211 and second docking portion 1221) of the docking assembly 12. By utilizing the shape matching relationship between the docking assembly 12 of the support plate 1 and the docking groove 2c, and the aforementioned position adjustment of the docking assembly 12, the alignment and positioning of the support plate 1 and the scanning bed plate 2 during and after assembly can be ensured.

[0050] In this embodiment, based on the above structure, during the assembly of the support plate 1 and the scanning bed plate 2, the second docking member 122 can be in a first position before the support plate 1 is installed onto the scanning bed plate 2; after the support plate 1 is installed onto the scanning bed plate 2, the second docking member 122 is in a second position different from the first position, and the second position is positioned laterally D2, which is further outward than the first position. Thus, after the docking portions (first docking portion 1211 and second docking portion 1221) of the docking assembly 12 are inserted into the docking groove 2c, the gap between the docking portion of the docking assembly 12 and the docking groove 2c in the transverse direction D2 can be mainly compensated. Furthermore, in this embodiment, in the first position, the second docking portion 1221 can extend beyond the first docking portion 1211 in the longitudinal direction D1 (see...). Figure 6 In the second position, the second mating portion 1221 is positioned rearward relative to the first position along the longitudinal direction D1, for example, it can be aligned with the first mating portion 1211 along the longitudinal direction D1. Thus, when the second mating portion 1221 is in the first position, the lateral width of the mating portion of the mating assembly 12 is smaller, which facilitates its insertion into the mating groove 2c. It is understood that in other embodiments, the second position can simply be at least in a different position from the first position in the lateral direction perpendicular to the longitudinal direction.

[0051] By adopting the above-described scheme, utilizing a first docking member 121 fixedly mounted relative to the plate portion 11 and a second docking member 122 movably mounted relative to the plate portion 11, the alignment and limiting effect between the docking assembly 12 and the docking groove 2c are improved. Furthermore, the adjustment assembly 13 allows the second docking member 122 to be positioned relative to the first docking member 121, thereby adjusting the second docking member 122 to the desired position relative to the first docking member 121. Thus, after the first docking member 121 and the second docking member 122 are inserted into the docking groove 2c of the scanning bed plate 2, the fitting gap between the docking portion of the docking assembly 12 and the docking groove 2c can be compensated by adjusting the second docking member 122, enabling the docking assembly 12 to achieve a tight fit with the docking groove 2c, further improving the alignment and limiting effect, and consequently improving the firmness and stability of the support plate 1 and the scanning bed plate 2 after installation, preventing undesirable shaking of the support plate 1 when installed on the scanning bed plate 2 due to the aforementioned gap.

[0052] It is understandable that the process of inserting the docking component 12 into the docking slot 2c and adjusting its position after insertion can be carried out in the following two ways.

[0053] In the first example, the first mating member 121 is fixed to the main body 123 in place using the first bolt 131 after adjustment in the height direction D3; the second mating member 122 is pre-fixed to the main body 123 in place using the second bolt 132 after adjustment in the height direction D3, so that the second mating member 122 will not fall off in the height direction D3; then the mating assembly 12 is inserted into the mating groove 2c until the mating assembly 12 and the mating groove 2c can no longer move further in the longitudinal direction D1; by adjusting the depth of the second bolt 132 screwed into the threaded hole of the second mating member 122, and guided by the first inclined surface 121s and the second inclined surface 122s, the position of the second mating member 122 relative to the first mating member 121 in the longitudinal direction D1 and the transverse direction D2 is adjusted, thereby compensating for the gap between the mating assembly 12 and the mating groove 2c and finally fixing the second mating member 122.

[0054] In the second example, the first mating member 121 is fixed to the main body 123 in place using the first bolt 131 after adjustment in the height direction D3; the second bolt 132 and the second mating member 122 are in an unconnected state; then the mating assembly 12 is inserted into the mating groove 2c until the mating assembly 12 and the mating groove 2c can no longer move in the longitudinal direction D1; the second bolt 132 is screwed into the threaded hole of the second mating member 122, and further by adjusting the depth of the second bolt 132 screwed into the threaded hole of the second mating member 122, guided by the first inclined surface 121s and the second inclined surface 122s, the position of the second mating member 122 relative to the first mating member 121 in the longitudinal direction D1 and the transverse direction D2 is adjusted, thereby compensating for the gap between the mating assembly 12 and the mating groove 2c and finally fixing the second mating member 122.

[0055] By adopting either of the two examples above, it is possible to achieve docking between docking component 12 and docking groove 2c, and to achieve the above-mentioned compensation gap to achieve the purpose of precise docking.

[0056] Furthermore, this application also provides a medical scanning system including the support device described above. A typical example of a medical scanning system is a computed tomography (CT) scanning system, and therefore may also include an X-ray detector and an X-ray generator used in conjunction with the X-ray detector. The above solution provides a typical application scenario for the support device of this application. It is understood that the support device according to this application can also be applied to other application scenarios.

[0057] Figure 7 An exemplary medical scanning system according to this application is illustrated, configured to scan and image an object (such as a human body or an inanimate object). It is understood that a human body is one type of object that can be imaged by the medical scanning system; that is, the scanned object can include not only the human body but also other objects. Further, as... Figure 7 As shown, the medical scanning system includes a support device consisting of a support plate 1 and a scanning bed 2, a scanning device 3, an image processing device 4, and a depth camera 5.

[0058] like Figure 7As shown, the object to be scanned can be placed on the support plate 1 or the scanning bed 2 of the support device for imaging in different ways. The support device can be electrically powered, allowing at least a portion of its structure to move in both the horizontal and vertical directions. For this purpose, in addition to the support plate 1 and the scanning bed 2, the support device may also include a motor and a motor controller. The motor controller moves the support device by adjusting the motor to properly position the object to be scanned within the scanning device 3 to acquire relevant data corresponding to the object. Furthermore, the motor controller can adjust the vertical and horizontal positions of the support device to position the object to the desired location.

[0059] like Figure 7 As shown, the scanning apparatus 3 includes an X-ray generator, an X-ray detector, and a frame. Both the X-ray generator (also referred to as an X-ray radiation source) and the X-ray detector can be mounted on the frame. The X-ray generator projects an X-ray beam (or X-rays) through the object being scanned. The X-ray generator is configured to project X-rays toward X-ray detectors positioned on opposite sides of the frame. One or more X-ray generators can be used to project multiple X-rays toward multiple X-ray detectors to obtain projection data corresponding to the object being scanned at different energy levels. Typically, the X-ray generator can project a fan-shaped or cone-shaped X-ray beam, which is attenuated after passing through the object being scanned before being projected onto the X-ray detector. The intensity of the attenuated X-ray beam received by the X-ray detector depends on the attenuation capability of the tissue and structure of the object being scanned. Each detector element of the X-ray detector generates a separate electrical signal, which is a measure of the beam intensity of the X-ray detector. Intensity measurements from all detector elements are obtained to generate the X-ray transmission distribution.

[0060] In medical scanning systems, on the one hand, a gantry can be used to rotate the X-ray generator and X-ray detector around the object being scanned, causing the angle at which the X-ray beam intersects the object to continuously change. One gantry rotation cycle is achieved when the gantry completes a full 360-degree rotation. At one gantry angle within this rotation cycle, a set of X-ray attenuation measurements from the X-ray detector can be termed a "view." A "scan" of the object includes a set of views obtained at different gantry angles within one gantry rotation cycle of the X-ray generator and X-ray detector. On the other hand, during axial scanning using a medical scanning system, the views can be processed to construct images corresponding to two-dimensional slices taken through the scanned object.

[0061] like Figure 7As shown, the image processing apparatus 4 can be configured to reconstruct an image of the scanned object using a suitable reconstruction method (such as an iterative or analytical image reconstruction method). For example, the image processing apparatus 4 can use an analytical image reconstruction method such as filtered back projection (FBP) to reconstruct an image of the target volume of the scanned object. The image processing apparatus 4 can use an iterative image reconstruction method (such as adaptive statistical iterative reconstruction (ASIR), conjugate gradient (CG), maximum likelihood expectation maximization (MLEM), model-based iterative reconstruction (MBIR), etc.) to reconstruct an image of the target volume of the scanned object. The term "reconstructed image" is not intended to exclude schemes of this application that generate data representing an image rather than a visual image. Therefore, "image" broadly refers to both a visual image and the data representing the visual image.

[0062] The depth camera device 5 can be mounted on a rack or externally. For example... Figure 7 As shown, a depth camera device 5 is mounted on the ceiling above the object being scanned and oriented to image the object when it is at least partially outside the frame. The depth camera device 5 may include one or more light sensors, including one or more visible light sensors and / or one or more infrared light sensors. Alternatively, the one or more infrared light sensors may include one or more sensors in both near-infrared and far-infrared light ranges to achieve thermal imaging. Alternatively, the depth camera device 5 may also include an infrared light source. Furthermore, the light sensor can be any 3D depth sensor, such as a time-of-flight (ToF) sensor, a stereo sensor, or a structured light depth sensor, which can generate a 3D depth image. The light sensor can also be a 2D sensor, which can generate a 2D image and can be used to infer depth based on an understanding of light reflection phenomena to estimate 3D depth. Regardless of whether the light sensor is a 3D depth sensor or a 2D sensor, the depth camera device 5 can be configured to output a signal encoding the image to a suitable interface, which can be configured to receive the signal encoding the image from the depth camera device 5. In addition, the depth camera device 5 may include other components, such as a microphone, to enable the reception and analysis of directional and / or non-directional sound from the observed scanned object and / or other sources.

[0063] It should be understood that the above embodiments are merely exemplary and are not intended to limit this application. Those skilled in the art can make various modifications and changes to the above embodiments under the teachings of this application without departing from the scope of this application. The following supplementary description is provided regarding the technical solutions of this application.

[0064] i. As described in the above specific embodiments, the second docking member 122 is positioned relative to the first docking member 121 in two directions: longitudinal D1 and transverse D2, but this application is not limited thereto.

[0065] In other alternative solutions, as long as the second docking member 122 can compensate for the gap between the docking assembly 12 and the docking groove 2c during the position adjustment process, the second docking member 122 can be adjusted in any other direction.

[0066] ii. As described in the above specific embodiments, the docking component 12 of this application is provided with a first docking member 121 and second docking members 122 located on both sides of the first docking member 121, but this application is not limited thereto.

[0067] In other alternative solutions, the number of the first docking member 121 and the second docking member 122 is not limited to the specific number described in the above embodiments. One second docking member 122 can be provided on one side of the first docking member 121; or, more than two second docking members 122 can be provided on both sides of the first docking member 121, and inclined surfaces can be provided between adjacent second docking members 122 to cooperate with each other. This also achieves the functions described in the above embodiments and improves the flexibility of the docking assembly 12 in compensating for the gap between itself and the docking groove 2c.

[0068] iii. As described in the above specific embodiments, the rear end of the main body 123 of this application is provided with a plurality of through holes 12h, so that the positions of each bolt 131, 132 of the adjusting assembly 13 in the height direction D3 can be changed by using the through holes 12h, thereby adjusting the positions of different mating parts in the height direction D3. However, this application is not limited to this.

[0069] In other alternative solutions, a circular hole can be formed at the rear end of the main body 123 to replace the through hole 12h, which does not affect the function of the docking assembly 12 in compensating for the gap between it and the docking groove 2c.

[0070] iv. It is understood that in a variation of the above embodiments, the second docking member 121 may have a guide lug on its lateral side, and the main body 123 may have a guide groove that mates with the guide lug. By utilizing the mate guide lug and guide groove, the second docking member 121 can be guided to move relative to the first docking member 122 along the longitudinal direction D1.

[0071] The foregoing has described exemplary embodiments and variations of this application; however, it should be understood that various modifications may be made. For example, if the described techniques are performed in a different order and / or if components in the described system, architecture, device, or circuit are combined in different ways and / or replaced or supplemented by other components or their equivalents, achieving the same, similar, or other suitable results, these changes or modifications also fall within the scope of the claims.

Claims

1. A support device for movably supporting a medical imaging scanning object along its longitudinal direction, characterized in that, The support device includes: Scanning bed plate, which has a mating groove at one end in the longitudinal direction; and A support plate includes a plate portion and a docking assembly for mounting the plate portion to a scanning bed plate. The docking assembly includes a main body portion, a first docking member fixedly mounted to the main body portion, and a second docking member movably mounted to the main body portion. The first docking member includes a first docking portion received in a docking groove after the support plate is mounted to the scanning bed plate. The second docking member includes a second docking portion received in the docking groove after the support plate is mounted to the scanning bed plate. The second docking member is in a first position before the support plate is installed onto the scanning bed plate, and after the support plate is installed onto the scanning bed plate, the second docking member is in a second position, at least in the lateral direction perpendicular to the longitudinal direction, different from the first position.

2. The support device according to claim 1, characterized in that, At the first position, the second docking portion extends beyond the first docking portion in the longitudinal direction; In the second position, the second mating portion is aligned with the first mating portion in the longitudinal direction.

3. The support device according to claim 1, characterized in that, The width direction of the docking groove is the transverse direction, and the second docking member is configured to move along the longitudinal direction and the transverse direction.

4. The support device according to claim 1, characterized in that, The docking groove is formed as an arc-shaped groove, and the first docking part and the second docking part are arranged at an angle to each other. The first docking part and the second docking part are matched with the shape of the docking groove as a whole.

5. The support device according to any one of claims 1 to 4, characterized in that The first mating member includes a first inclined surface that is inclined relative to the longitudinal direction and the transverse direction, and the second mating member is formed with a second inclined surface that matches the shape of the first inclined surface, the second inclined surface abutting against the first inclined surface.

6. The support device according to claim 5, characterized in that, The first inclined surface is configured to extend longitudinally toward the mating groove from the main body portion and obliquely toward the longitudinal center of the first mating member in the transverse direction.

7. The support device according to any one of claims 1 to 4, characterized in that, It also includes an adjustment assembly installed on the main body for adjusting the position of the second docking member relative to the first docking member.

8. The support device of claim 7, wherein, The adjustment assembly includes a bolt that mates with the second mating member, the bolt passing through the main body and threadedly connected to the corresponding second mating member.

9. The support device according to claim 8, characterized in that, The bolt extends in a straight line along the longitudinal direction.

10. The support device according to claim 8, characterized in that, The main body has a through hole, through which the bolt is threaded to the second mating part. The size of the through hole in the transverse direction is larger than the outer diameter of the bolt.

11. The support apparatus of claim 10, wherein, The cross-sectional shape of the through hole is an oblong shape, and the length direction of the oblong shape is the height direction of the support device.

12. The support device according to any one of claims 1 to 4, characterized in that Includes two second docking parts, and The two second docking members are located on both sides of the first docking member in the lateral direction.

13. The support device according to any one of claims 1 to 4, characterized in that, The main body of the docking assembly is fixedly installed on the bottom surface of the flat plate. The main body has a mounting groove. The first docking member and the second docking member are partially housed and installed in the mounting groove, and the first docking portion of the first docking member and the second docking portion of the second docking member extend out from the mounting groove.

14. The support device according to any one of claims 1 to 4, characterized in that The support plate and the scanning bed plate are assembled in a detachable manner. When the support device is in the assembled state, the support plate is used to support the scanning object; and When the support device is in the disassembled state, the scanning bed is used to support the scanning object.

15. A medical scanning system, characterized by Includes the support device according to any one of claims 1 to 14.

16. The medical scanning system of claim 15, wherein, The medical scanning system is a CT scanning system.

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