Detector holding device for an x-ray apparatus and x-ray apparatus

Abstract

The present invention relates to a detector holding device (1) for an X-ray apparatus (30, 38), having an X-ray detector (2) and a support device (9), the X-ray detector (2) being supported by the support device (9) within a housing (4) of a detector module (3), wherein the X-ray detector (2) has a detector surface extending in a detector plane, the detector surface being disposed behind an X-ray transmissive wall (5) of the housing (4), characterized in that the X-ray detector (2) can be moved within the housing (4) in at least one direction (6, 7) in the detector plane by means of at least one operable displacement actuator (8).

Description

Technical Field

[0001] This invention relates to a detector holding device for an X-ray apparatus, comprising an X-ray detector and a support assembly. The X-ray detector is supported by the support assembly within a housing of a detector module. The X-ray detector has a detector surface extending in a detector plane, the detector surface being disposed behind an X-ray transmissive wall of the housing, particularly behind a plate. Furthermore, this invention relates to an X-ray apparatus. Background Technology

[0002] Modern X-ray devices for radiography should support different types of imaging techniques, such as imaging not only when the patient is standing, but also when the patient is lying down or sitting. To achieve this flexibility, radiographic X-ray devices are typically provided in multiple components. These components primarily include a radiator holder for holding the X-ray radiator, which can be mounted, for example, on the ceiling of the room where the X-ray device is located for the most efficient use of space. As a detector holder for creating X-ray images of patients in standing or sitting positions, a so-called rack wall stand (BWS) is known in the prior art. The rack wall stand typically includes a support assembly, for example, having a vertically extending column, and the detector module is height-adjustably positioned on the column. In particular, the detector module moves at a guide by means of a slide, which extends within a range of column height. The detector module here typically includes a wall that is transmissive to X-ray radiation, behind which the X-ray detector (image receiver), now typically a digital X-ray detector, is positioned. The X-ray transmissive wall is constructed in a panel-like structure, and thus can also be referred to as a plate. A filter grid is typically placed between the X-ray detector and the X-ray transmissive wall. The detector module may also include a dose measurement chamber, particularly for automated exposure control.

[0003] The lifting and lowering movement of the detector module at the column can be achieved manually and / or automatically, for example by means of a motor or other suitable actuator. It is also known to tumble the detector module at the column, for example by means of a tumbler unit, so that the detector module, and thus the X-ray detector, can be tumbled within a range, for example, +90° to -20°. When tumbled to +90°, the X-ray-transmissible wall / panel is horizontally oriented as the detector face, making it feasible, for example, to image the arm or hand of a patient in a seated position. Foot and leg imaging is also feasible. Other extreme positions are used for special imaging purposes. A handle that the patient can grip can be provided at the detector module. It has also been proposed to generate X-ray images at the grid device, the X-ray images covering an area larger than the detector face of the X-ray detector and consisting of multiple single images, by positioning the detector module with the X-ray detector along the patient in the height direction for different single images. In such imaging processes or other applications where movement of the detector module occurs, patient support devices are typically provided to support the patient in adopting and maintaining the correct imaging position. These patient support devices may include, for example, steps and / or chairs, additional walls placed in front of the moving detector module, and special handles. However, such patient support devices constitute additional accessories, which also complicate the construction of the X-ray device.

[0004] Especially in the flipped position of the detector module, and also when using additional auxiliary mechanisms such as the patient assist device mentioned above, collisions can easily occur between the support assembly, especially the column, and other components, particularly the radiator holding device. This limits the working area and requires a high degree of attention from personnel to avoid collisions. When taking images using a vertically erect detector module, the patient must be precisely positioned in the lateral direction, as the examination area typically utilizes the entire detector surface.

[0005] However, other problems exist with the currently known grid wall devices. The height of the grid wall device, as well as its lifting and lowering movement, is limited, especially due to the design and size constraints of the detector module. Since the support assembly is fixed to the floor of the room where the X-ray equipment is installed, the patient must be repositioned when the examination area is laterally offset from the patient. The detector size is thus, and typically, limited within the detector insertion structure.

[0006] There are also difficulties in operating the known grid-walled devices. Thus, keeping the detector clean is difficult due to the additional accessories and the known covering elements. The grid must be manually installed and manually removed when not in use. Weight balancing is required when the detector module can be manually moved within the support assembly, especially the column. High structural space requirements arise particularly when a so-called spacer is provided horizontally between the support assembly, especially the column, and the detector module to, for example, to properly position the patient support device relative to the detector module. Automated workflows are not feasible when the degrees of freedom are set for manual operation.

[0007] In known X-ray devices, an examination bed is typically provided as a patient support device in addition to the detector holding device, i.e., the grid wall device. The examination bed may also include at least one receiving or insertion structure for the X-ray detector and a manually operated filter grid so that imaging can be performed on a lying patient. Summary of the Invention

[0008] In this context, the objective of this invention is to provide an improved detector holding device and X-ray device that solves at least some of the aforementioned problems and offers flexible application possibilities, such as automated workflows, while maintaining a simple structure and operation.

[0009] To achieve the aforementioned objective, a detector holding device and an X-ray apparatus having the features of the invention are proposed according to the present invention. Advantageous improvements are given in the description below.

[0010] In the detector holding device of the type mentioned at the beginning, according to the present invention, the X-ray detector can be moved within the housing in at least one direction in the detector plane by means of at least one controllable displacement actuator.

[0011] A housing is proposed that provides X-ray transmissive walls, particularly plates, and has an internal space larger than the X-ray detector housed therein, such that the X-ray detector can be automatically displaced within the housing along at least one direction by means of at least one displacement actuator. Specifically, the housing has a first width and a first height in the detector plane, wherein the X-ray detector has a smaller second width and / or a smaller second height. In a particularly advantageous design, the X-ray detector is proposed to be displaced by means of at least one displacement actuator along mutually perpendicular height and width directions.

[0012] The portability within the housing is provided here, particularly by a displacement device having at least one displacement actuator. Here, known linear actuators, such as screw drives, can be used in principle, and / or preferably a guided slide at which the X-ray detector is positioned. When adjusting in two mutually perpendicular directions, the slide can be displaced in one direction along a guiding mechanism, such as at least one guiding cylinder or guide tube, which itself, particularly bilaterally guided, is linearly adjustable perpendicular to its extension. It is also conceivable to use a slide adjustable in one direction by means of a guiding mechanism, wherein the X-ray detector is displaceable on the slide in a direction perpendicular to it. Furthermore, it is feasible to provide at least one second direction for translation in the detector plane from the orientation in the first direction by rotation, for example, by rotating an axis of motion established by the guiding mechanism. Of course, other specific designs are also conceivable.

[0013] Here, the housing is preferably rectangular, and if necessary, square, in the detector plane. In the basic position where the detector plane and the X-ray transmissive wall are vertically oriented, the height direction may extend parallel to one side of the rectangle, especially the longer side, and the width direction may extend perpendicularly to and parallel to the other side, especially the shorter side. In other words, the height and width directions extend along the edges of the housing, which is preferably rectangular, at least in the basic position.

[0014] Therefore, it is proposed to automatically and almost invisiblely move the X-ray detector within the housing using at least one displacement actuator, such that when utilizing at least one, preferably at least two, degree of freedom, there are no externally moving parts, and in particular, the detector module itself does not move. This brings numerous advantages.

[0015] Therefore, in panoramic operations (especially those that can be automatically executed by utilizing the maneuverability of the shift actuator), where multiple individual images are combined into an X-ray image, movement of the detector module or the patient itself is no longer required. For example, it can be proposed that the control device of the X-ray apparatus during panoramic operations is configured to: manipulate the shift actuator to move the X-ray detector to different positions along at least one of at least one direction, and manipulate the X-ray radiator and X-ray detector to capture individual images of the panoramic image at these positions. With the maneuverability along both the height and width directions, such panoramic imaging is conceivable in both directions. In particular, in other imaging sequences besides panoramic operations, the lateral directions along the height and / or width directions, corresponding to the basic position of the detector face in vertical orientation, also eliminate the need for laborious patient repositioning. Therefore, the present invention allows for a larger or extended imaging area. Furthermore, new imaging modes are conceivable, particularly when shifting within the housing along two directions / axis, such as imaging modes allowing panoramic views in both directions.

[0016] The displacement of the X-ray detector within the housing, particularly behind the X-ray-transmissive walls or plates of the housing, is also advantageous in several other ways. This reduces the risks associated with moving parts. Additional patient aids (“Ortho-Supports”) providing steps, handles, and other support due to the moving detector module are no longer needed. Accessibility for people with mobility impairments is also improved. The detector holding device can also be cleaned more easily due to the presence of more enclosed plate-like components, such as the housing.

[0017] It should also be noted that X-ray detector holding devices that are not fixed to the wall of the room where the X-ray equipment is installed are often referred to as "bucky wall stands" or "bucky stands." In this sense, the detector holding device of the present invention can also be understood as a bucky wall stand, which fully provides the functions of such a bucky wall stand. However, in any case, the described detector holding device is a "bucky stand," even though, as still described below, its application can be expanded through increased flexibility.

[0018] Within the housing, at least one dosimetry chamber may also be installed, as is known in principle. The location of at least one dosimetry chamber may be marked externally on an X-ray-transmissible wall, as is known in principle.

[0019] Suitably, a filter grid disposed within the housing and disposed of with the X-ray detector may be provided, the filter grid being movable at least with the X-ray detector. As is known, the detector module may therefore also include at least one filter grid that is movable at least with the X-ray detector. Here, "moving with the X-ray detector" should be understood herein to mean that the filter grid is motion-coupled or kinetically coupled to the X-ray detector, i.e., movable via a shift actuator, and / or movable by means of its own corresponding controlled actuator, i.e., in particular at least one grid actuator.

[0020] In this context, a specific and suitable improvement can be proposed: the grid can be moved independently of the X-ray detector along at least one direction by means of at least one grid actuator. This allows the position of the grid within the housing to be selected independently of the position of the X-ray detector, particularly by removing it from the X-ray path to the detector surface when the grid is not needed, or by selectively introducing one of the grids into the X-ray path in the case of multiple grids. Specifically, for example, it can be proposed that the control mechanism of the X-ray apparatus be configured to move the grid to a non-use position that does not obscure the detector surface during imaging processes performed without the grid by manipulating the grid actuator. In this way, manual operation of the grid is no longer required, resulting in a significant improvement in comfort in this regard.

[0021] Regarding the insertion, replacement, or removal of the grid, a suitable design may propose that the detector module has a presentation device for inserting and removing the grid. The presentation device may, for example, include a drawer or other removable device (i.e., a removable and / or pull-out device) from which the grid can be removed or inserted. In particular, the grid can be moved to a presentation position within the drawer or removable device by means of at least one grid actuator for presentation there. The presentation device may include a gripping mechanism for gripping the grid for removal. The presentation device may be operable by a control device, like a grid actuator, for example, in response to a request from the operating elements of the X-ray apparatus to present the grid. For example, presentation may be performed similarly to the presentation of a data carrier, such as a CD, in a computer.

[0022] As already mentioned, the detector holding device is specifically configured such that the detector facet is vertically oriented, at least in the basic position. In this respect, the detector facet thus functions as a grid device or a "bucky stand," and can be used, for example, for chest imaging, where grid devices are most commonly used. However, a preferred improvement of the invention proposes that the detector holding device provides additional, particularly automatically operable, degrees of freedom, which significantly improve the flexibility of the detector holding device in use.

[0023] A particularly preferred improvement of the invention proposes that the support assembly include a telescopically adjustable column, whose height is adjustable by means of a controllable lifting actuator, carrying the detector module. The use of a telescopic column thus yields excellent space utilization, and particularly the space above the detector module is kept essentially empty, allowing for improved placement of other components and / or auxiliary mechanisms of the X-ray device, for example. In particular, as discussed in more detail below, the use of a telescopic column also allows the detector module to be positioned below the patient support device. Unlike conventional columns (where the slide is guided together with the detector module), the possible adjustment travel within the column "disappears" in that the column is telescopically pulled together when the desired target height is small, thus not protruding beyond the detector module.

[0024] Here, given the vertical mobility of the X-ray detector within the housing, the telescopic column can also be designed to be smaller, i.e., have a smaller maximum height, since a portion of the target height of the X-ray detector can also be provided through displacement within the housing. For example, in this context, the control device of the X-ray apparatus can be configured such that, in order to set the target height of the X-ray detector, a portion of the target height is provided via a displacement actuator, while another portion is provided via a lifting actuator. In particular, for at least one operating mode, especially during single-image acquisition, maximizing the travel provided by the displacement actuator can be considered.

[0025] In a suitable improvement of the invention, the detector module may be coupled to the column in an adjustable manner along at least one horizontal direction via a linear adjustment device having at least one operable linear actuator. For example, this could thus provide additional longitudinal displacement as an additional degree of freedom, increasing flexibility.

[0026] Preferably, the detector holding device can be anchored in the floor of the room where the X-ray equipment is installed by means of an anchoring device. For example, the support device can therefore have a base that particularly supports a telescopic column, which is anchored in the floor, for example, by means of a sufficiently strong threaded connection.

[0027] However, in principle, the mobility of the detector holding device itself can also be envisioned. In such an embodiment, it can be proposed that the detector holding device has an anchoring device, which in particular includes a track system for displaceably anchoring the support device in the floor in at least one horizontal direction.

[0028] In a particularly preferred improvement of the invention, the detector module is coupled to the support assembly by means of a flipping device that allows it to flip between a basic position or a horizontal position (where the detector face is vertically oriented) and a basic position (where the detector face is horizontally oriented), wherein the flipping device has, in particular, a controllable flipping actuator that causes the flipping. Thus, the detector module, thereby, can also be positioned at least in a horizontal position behind the X-ray-transmissive wall by means of a corresponding flipping mechanism about a horizontal flipping axis parallel to the detector face. Instead of the vertical basic position, a horizontal position is thus obtained, in which, for example, the body part to be photographed can be placed on the X-ray-transmissive wall, for example, when photographing the hand and / or arm of a seated patient. However, it is particularly advantageous, especially when using the telescopic column of the support assembly, to propose that the patient support device, such as a simple trolley or a simple stretcher, or if necessary, the examination bed, be moved above the X-ray-transmissive wall, especially above the entire detector module, so that the detector holding device can also be used, for example, for photographing a lying patient, and if necessary, no additional X-ray detector in the examination bed is required. In other words, the detector holding device can provide a two-in-one solution in this way, because it can be used not only as a grid device but also additionally in conjunction with a patient support device when the patient is lying down. This can be achieved, for example, using a significantly simpler patient support device, such as a simple trolley, instead of a costly examination bed, which may have, for example, an insertion structure for the X-ray detector or the X-ray detector itself. Regarding the possible automation of the workflow, the tilting device can preferably have a tilting actuator that can be controlled by the control unit of the X-ray apparatus.

[0029] It should be noted that, in the embodiments, in addition to the basic position and the horizontal position, other flip positions can be set by means of the flipping device or specifically by means of the flipping actuator, such as a -20° flip position for special shooting.

[0030] To provide another degree of freedom for further enhancing usability, it can be proposed that the detector module be coupled to the support assembly via a pivoting device that allows the detector module to pivot about a pivot axis perpendicular to the detector plane, wherein the pivoting device has, in particular, a controllable pivoting actuator that causes the pivoting. This is particularly applicable when the housing has a rectangular shape parallel to the detector plane, one extension, especially a first height, is greater than, especially significantly greater than, a second extension, especially a first width. That is to say, in the basic position, the X-ray detector's mobility in the height direction can be significantly greater than, if provided, its mobility in the width direction. However, if a single image, for example in panoramic imaging, should be sequentially followed in the width direction, and the width direction is insufficient to cover all imaging positions in that direction, then pivoting about a pivot axis perpendicular to the detector plane, especially 90°, would still make this possible. Thus, there is no need to reposition the patient. In particular, therefore, in addition to the basic position, there is at least one additional pivoting position in which the X-ray detector pivots 90°, wherein pivoting positions between or beyond it can also be conceived. In particular, in another pivot position, the longer edge of the housing can extend horizontally, while in the basic position it extends vertically. Preferably, a pivot actuator operable by a control device is also provided here to automate and simplify the workflow.

[0031] The pivoting mechanism is particularly advantageous in cases where the detector holding device is configured for lateral imaging of a lying patient, wherein the X-ray detector, which is at least substantially vertically erected, is positioned laterally beside the patient or a corresponding patient support. In contrast to a standing patient, its longitudinal axis extends horizontally, so that, in order to capture an image sequence along the patient's longitudinal axis, the long edge of the housing is suitably also oriented horizontally, thereby providing the longest possible adjustment range in at least one direction, here particularly in the height direction of the detector module. This is feasible by means of the pivoting mechanism.

[0032] Here, in the case of a pivoting device, a flipping device, and a linear adjustment device, or two of these devices, the order in which these devices are ultimately installed between the detector module and the support assembly, particularly the column, is ultimately irrelevant. Preferably, pivotability is achieved first, starting with the detector module, followed by flipping capability, and then, if provided, linear adjustability. It goes without saying that, especially when there is a corresponding possibility of manual adjustment, the pivoting device, flipping device, and linear adjustment device can be equipped with appropriate locking mechanisms for locking the detector module in its respective position.

[0033] In a suitable improvement, the detector module, particularly the housing, may be provided with at least one handle for the examining person, i.e., the patient. Such a handle (which is also known from prior art grid devices) can also be advantageously provided within the scope of the invention to support the adoption and / or maintenance of posture during X-ray imaging. In particular, due to the displacement of the X-ray detector within the housing, these handles or the housing itself can continue to be used unrestricted even during imaging processes involving a moving X-ray detector.

[0034] In this context, it should also be noted that the detector holding device according to the invention, as a grid device or an alternative to a grid device, is preferably not designed to fully support an adult, as is the case, for example, in an examination bed. For example, it can be proposed that the maximum load of the detector holding device can be less than 60 kg, especially less than 50 kg, as is common for standing patients using handles.

[0035] In exemplary specific design embodiments, it may be proposed that the housing has an extension of 50 cm to 100 cm by 50 cm to 150 cm in the detector plane, and / or the X-ray detector has an extension of 20 cm to 50 cm by 20 cm to 80 cm in the detector plane. For example, a housing with dimensions of 60 cm by 120 cm, particularly width by height, can be envisioned, wherein the detector with a detector facet size of 25 cm by 50 cm is movable. In another example, the housing dimensions may be 81 cm by 144 cm (particularly width by height), while the X-ray detector or detector facet dimensions may be 30 cm by 53 cm.

[0036] Of particular advantage is that all actuators used to achieve the degrees of freedom are controllable, so that, as has been partially shown, the most extensive automated workflow can be achieved by means of the control unit of the X-ray device.

[0037] The X-ray apparatus according to the invention comprises: a radiator holding device having at least one X-ray radiator and at least one operable radiator actuator for positioning the X-ray radiator; a detector holding device according to the invention; and a control device. All embodiments of the detector holding device can be similarly adapted to the X-ray apparatus, and vice versa.

[0038] Here, the control device can preferably manipulate the actuation mechanism of the detector holding device so that the position of the X-ray detector, especially the detector facet, follows the position (including its orientation) of the X-ray radiator. In this way, the X-ray detector is always in the correct position relative to the X-ray radiator, significantly reducing the risk of erroneous imaging. In particular, it can be proposed that the control device of the X-ray apparatus be configured for the coordinated movement of the X-ray radiator and the X-ray detector, so as to receive the X-ray radiation from the X-ray radiator by means of the X-ray detector. Thus, it is particularly feasible, for example, for panoramic images, to achieve a "shooting trajectory" from the shooting position to the shooting position in a certain degree of consistency, and to achieve a very wide range of automation.

[0039] In a particularly suitable improvement of the invention, the X-ray device further comprises at least one examination bed and / or at least one movable patient support. In particular, as described above, the detector holding device is configured, for example by being rotatable, so that the X-ray detector of the detector holding device can also be used to image a patient lying on the movable patient support or examination bed. It is particularly advantageous to propose that the detector holding device is sized such that, in at least one configuration where the detector module is in a horizontal position, the lying surface of the examination bed and / or movable patient support can be placed on the X-ray transmissive wall of the housing. Particularly suitably, the support device then has the described telescopic column, such that the detector holding device is pulled together with minimal extension, and no part or at least no significant part of the support device protrudes from the detector module, so that the entire area above the detector module provides a lying surface for placing the examination bed and / or movable patient support, especially a trolley or stretcher. The detector holding device thus forms a two-in-one solution, providing the X-ray detector not only for taking pictures when the patient is lying on the patient support device, but also for taking pictures as a "bucky stand" when the patient is standing.

[0040] In a suitable improvement of the invention, it can also be proposed that the X-ray apparatus has at least one camera, wherein the control device constitutes at least one actuator for manipulating the X-ray detector holding device based on image data from the camera. Due to the multiple controllable degrees of freedom of the detector holding device, a camera-based automated workflow can also be realized, for example, in the event of a change in patient position, by manipulating the actuation mechanism, particularly the braking mechanism of both the radiator holding device and the detector holding device, to track the imaging device and allow continued image capture. Attached Figure Description

[0041] Other advantages and details of the invention will become apparent from the embodiments described below and from the accompanying drawings. The drawings show:

[0042] Figure 1 A schematic front view of the detector holding device according to the invention is shown, wherein the detector module is in the basic position;

[0043] Figure 2 A side view of the detector holding device according to the invention is schematically shown, wherein the detector module is in the basic position;

[0044] Figure 3 A schematic cross-sectional view through the detector module is shown;

[0045] Figure 4 A diagram showing the detector module with the detector holding device in different pivot positions is provided.

[0046] Figure 5 A view showing a first embodiment of the X-ray apparatus according to the present invention in a first operating state;

[0047] Figure 6 This shows a view of the first embodiment in a second operating state;

[0048] Figure 7 A view showing a second embodiment of the X-ray apparatus according to the invention in a first operating state; and

[0049] Figure 8 The second embodiment is shown in a second operating state. Detailed Implementation

[0050] Figure 1 and Figure 2 A schematic diagram of the detector holding device 1 according to the present invention is shown in the front and side views, which includes... Figure 1The detector module 3 of the X-ray detector 2, indicated by dashed lines, is in its basic position, with a housing 4 surrounding the X-ray detector 2. In this basic position, the front, plate-like wall 5 (plate) of the X-ray transmissive portion is vertically oriented, extending beyond the detector surface of the X-ray detector 2. This means that the detector plane in which the detector surface is located also extends vertically. The housing 4, and thus the X-ray transmissive wall 5, has a rectangular shape in the detector plane, wherein the housing 4 has a first height 6 along the height direction of the detector module 3 and a first width 7 along the width direction of the detector module 3. It is evident that the first height, i.e., the extension along the height direction 6, is greater than the first width, i.e., the extension along the width direction 7. The X-ray detector 2 has a second width and a second height, which are obviously smaller than the first width and the first height, respectively. The X-ray detector 2 can be displaced within the housing 4 not only along the height direction 6 but also along the width direction 7 (the lateral direction in the basic position) via at least one corresponding, operable displacement actuator 8, indicated only by dashed lines here.

[0051] The detector module 2 is supported by a support assembly 9, which has a base 10 that can be anchored to or within the floor, and a telescopically adjustable column 12 (hereinafter referred to as telescopic column 12) via a controllable lifting actuator 11. Anchoring devices 13 for anchoring may include, for example, threaded connections for static anchoring; however, alternatively, the anchoring devices may also allow horizontal displacement within the floor, for example, via a track system 14.

[0052] As from Figure 2 As learned, the detector module 3 is fixed to the telescopic column 12 via a pivoting device 15 and a flipping device 16. The pivoting device 15 allows the detector module 3 to be manually, and in any case by means of a controllable pivoting actuator 17, rotated around a point perpendicular to the detector surface. Figure 2 The pivot axis is also indicated, especially from the basic position to another pivot position, in which the detector module 3 pivots by 90°, so that the long side of the housing 4, i.e. the height direction 6 of the detector module 3, now extends horizontally, while the shorter side of the housing 4, i.e. the width direction 7 of the detector module 3, now extends vertically.

[0053] The flipping device 16 correspondingly has a controllable flipping actuator 19 so that the detector module 3 can be flipped out from its basic vertical position around a horizontal flipping axis 20 parallel to the detector surface. Manual flipping can also be additionally implemented if necessary. At least in the horizontal position, the detector surface and the X-ray-transmissive wall 5 extend horizontally, with the X-ray-transmissive wall 5 forming the upper side. Thus, both the width direction 7 and the height direction 6 of the detector module 3 extend horizontally. Flipping to an intermediate position or flipping along another flipping direction for specific imaging purposes is also possible.

[0054] Optionally, Figure 2 A linear adjustment device 21 is also shown, which has at least one operable linear actuator 22 for linearly adjusting the detector module 3 along at least one horizontal direction, particularly in the basic position, a longitudinal direction perpendicular to the width direction 7 and the height direction 6. For example, a telescopic arm can be used.

[0055] Figure 3 The detector module 3 is shown more accurately in a schematic cross-sectional view. The X-ray detector 2 is visible within its internal space and is displaceable by means of a shifting device. Here, known linear actuators, such as screw drives, and / or preferably guided slides, at which the X-ray detector 2 is positioned, can be used in principle. Here, the slide is displaceable along a guide mechanism 23 in one direction, particularly the width direction 7 or the height direction 6, and the guide mechanism 23 itself, particularly on both sides perpendicular to its extension, is linearly adjustable by means of a linear actuator 24. In other embodiments, it is also conceivable that the slide is guided in or via the linear actuator 24, on which the X-ray detector 2 is displaceable by means of the guide mechanism 23 in a direction perpendicular to it. The shifting actuator 8 can be implemented, for example, by means of a motor.

[0056] Within the housing 4, the X-ray detector 2 is movably provided with a filter grid 25 in another plane parallel to the detector plane. The filter grid 25 is shown here in a position preceding the X-ray detector 2 and can move with the X-ray detector. However, here, independent displaceability of the filter grid 25 along the height direction 6 and the width direction 7 is possible, for example via a similar additional displacement device, where only one corresponding operable grid actuator 26 is shown here. It is thus possible to move the filter grid 25 to a position that does not overlap with the detector surface when it is not needed. A presentation device 27 is also provided for removing, adding, or replacing the filter grid 25. The presentation device 27 has a drawer 28 (or other removal device) removable from the housing 4 from which the filter grid 25 can be removed or inserted. The filter grid 25 can be moved to a presentation position within the drawer 28 or the removal device by means of at least one grid actuator 26 for presentation there. The delivery device 27 may include a gripping mechanism (not shown) for gripping the filter grid 25 for removal.

[0057] It should be noted that at least one dose measurement chamber may also be provided in the housing 4, which is not shown in detail here for the sake of overview.

[0058] Figure 4 For a more detailed illustration, the X-ray detector holding device 1 is shown in two different pivoting positions. Here, the right-hand panel shows the detector holding device 1 in its basic position, with the patient 29 standing in front of the detector holding device 1, as is known in grid-walled devices. To better support the patient when adopting and / or maintaining the posture used for image acquisition, at least one holding mechanism (not shown for overview) may also be provided at the housing 4.

[0059] Figure 4 The left subplot shows the detector holding device 1 in another pivoting position discussed above, i.e., rotated 90° about the pivot axis 18. This other pivoting position is employed by correspondingly manipulating the pivot actuator 17. This other pivoting position is particularly suitable for taking lateral images while the patient 29 is lying down, as will be explained more precisely laterally.

[0060] Figure 5A first embodiment of an X-ray apparatus 30 according to the present invention is shown. The X-ray apparatus 30 includes a radiator holding device 31 having an X-ray radiator 32 with a deep light-shielding plate, the radiator holding device 31 being mounted on the ceiling of the room in which the X-ray apparatus 30 is installed. The X-ray radiator 32 with the deep light-shielding plate can be moved to different positions via at least one operable radiator actuator 33. In addition to the radiator holding device 31, the X-ray apparatus 30 also includes a reference... Figures 1 to 4 The detector holding device 1 and control device 34 described herein are shown schematically only. The control device 34 can manipulate the actuation mechanisms of the radiator holding device 31 and the detector holding device 1, specifically at least one displacement actuator 8, pivot actuator 17, flip actuator 19, linear actuator 22, lifting actuator 11, and grid actuator 26. Regarding the X-ray detector 2, six degrees of freedom are controllable: displacement along the height direction 6, displacement along the width direction 7, pivotability about the pivot axis 18, flipability about the flip axis 20, longitudinal displacement by means of the linear actuator 22, and height adjustment by means of the lifting actuator 11. Furthermore, the control device 34 can manipulate the X-ray radiator 32 and the X-ray detector 2 to capture X-ray images. Automation of multiple workflows is possible by manipulating the actuation mechanisms and controlling the imaging operation.

[0061] Here, the X-ray device 30 also includes a trolley 36 with a simple construction as a mobile patient support mechanism 35, on which the patient 29 can lie supine and be supported. Figure 5 In the diagram, detector module 3 is in another pivotal position and positioned on the side of the movable patient support device 35, allowing for lateral imaging of the patient 29. Due to the use of this other pivotal position, the lateral imaging can be recorded at multiple locations along the longitudinal direction of the patient 29, since a greater displacement range exists in the height direction 6 corresponding to the longitudinal direction. For example, panoramic imaging can be performed by capturing multiple single images along the longitudinal direction of the patient, where control device 34 can control the movement of X-ray detector 2 and X-ray radiator 32, as well as their imaging operation. Here, X-ray detector 2 always accurately tracks X-ray radiator 32 so that the X-rays from X-ray radiator 32 can be received by X-ray detector 2 on its detector surface. For this purpose, in particular, the coordinate systems of devices 1 and 31 are kept mutually registered.

[0062] Figure 6The X-ray device 30 is shown in another operating state. In this case, the detector module 3 is flipped into a horizontal position. Due to the telescopic column 12, the support device 9 does not extend beyond the detector module 3, and the patient support surface of the movable patient support device 35 can be positioned without problems above the X-ray transmissive wall 5 for X-ray imaging of the lying patient 29 in the anterior-posterior direction.

[0063] Figure 7 and Figure 8 A second embodiment of the X-ray device 38 in its corresponding operating state is shown, wherein, unlike the X-ray device 30, in the X-ray device 38, instead of the movable patient support device 35, a fixedly mounted examination table 37 is used; however, the examination table 37 itself does not have any X-ray detector 2 or an insertion structure for it. It can be seen that, in this case, according to... Figure 7 The detector holding device 1 can also be used for horizontal imaging, and according to Figure 8 When positioned below the bed board 39, it can be used to take front and back photos of the lying patient 29.

[0064] It goes without saying that, whether in X-ray device 30 or X-ray device 38, the detector holding device 1 can be used to perform X-ray imaging on a standing patient 29, such as... Figure 4 As shown on the right side of the middle section.

[0065] In this patent application, nouns and pronouns referring to people generally do not specify a particular gender.

Claims

1. A detector holding device (1) for an X-ray apparatus (30, 38), the detector holding device (1) having an X-ray detector (2) and a support device (9), the X-ray detector (2) being supported by the support device (9) within a housing (4) of a detector module (3), wherein the X-ray detector (2) has a detector surface extending in a detector plane, the detector surface being disposed behind an X-ray transmissive wall (5) of the housing (4), characterized in that, The X-ray detector (2) is capable of moving within the housing (4) in at least one direction (6, 7) in the detector plane by means of at least one maneuverable displacement actuator (8).

2. The detector holding device according to claim 1, characterized in that, The X-ray detector (2) can be shifted along the mutually perpendicular height direction (6) and width direction (7) by means of the at least one shift actuator (8).

3. The detector holding device according to claim 1 or 2, characterized in that, The housing (4) is provided with a filter grid (25) disposed in the X-ray detector (2), and the filter grid (25) is capable of moving at least together with the X-ray detector (2).

4. The detector holding device according to claim 3, characterized in that, The filter grid (25) can move independently of the X-ray detector (2) along the at least one direction (6, 7) by means of at least one grid actuator (26).

5. The detector holding device according to claim 4, characterized in that, The detector module (3) has a presentation device (27) for loading and unloading the filter grid (25).

6. The detector holding device according to any one of the preceding claims, characterized in that, At least in the basic position, the detector surface is vertically oriented.

7. The detector holding device according to any one of the preceding claims, characterized in that, The support device (9) includes a telescopically adjustable column (12) by means of a controllable lifting actuator (11), the column (12) carrying the detector module (3).

8. The detector holding device according to claim 7, characterized in that, The detector module (3) is coupled to the column (12) in an adjustable manner along at least one horizontal direction via a linear adjustment device (21) having at least one operable linear actuator (22).

9. The detector holding device according to any one of the preceding claims, characterized in that, The detector holding device has an anchoring device (13), which in particular includes a track system (14) for displaceably anchoring the support device (9) in the floor in at least one horizontal direction.

10. The detector holding device according to any one of the preceding claims, characterized in that, The detector module (3) is coupled to the support device (9) by means of a flipping device (16) in a flippable manner at least in a basic position or between the basic position and a horizontal position, in which the detector surface is vertically oriented and in the horizontal position, the detector surface is horizontally oriented, wherein the flipping device (16) has in particular a controllable flipping actuator (19) that causes the flipping.

11. The detector holding device according to any one of the preceding claims, characterized in that, The detector module (3) is coupled to the support device (9) via a pivoting device (15) that allows the detector module (3) to pivot about a pivoting axis (18) perpendicular to the detector surface, wherein the pivoting device (15) has, in particular, a controllable pivoting actuator (17) that causes the pivoting.

12. The detector holding device according to any one of the preceding claims, characterized in that, The detector module (3), and especially the housing (4), has at least one handle for the patient (29).

13. The detector holding device according to any one of the preceding claims, characterized in that, The housing (4) has an extension of 50 cm to 100 cm by 50 cm to 150 cm in the detector plane, and / or the X-ray detector (2) has an extension of 20 cm to 50 cm by 20 cm to 80 cm in the detector plane.

14. An X-ray apparatus (30, 38) comprising: a radiator holding device (31) having at least one X-ray radiator (32) and at least one operable radiator actuator (33) for positioning the X-ray radiator (32); a detector holding device (1) according to any one of the preceding claims; and a control device (34).

15. The X-ray apparatus according to claim 14, characterized in that, The X-ray device also has at least one examination bed (37) and / or at least one movable patient support device (35).

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