Arrangement for receiving beam path assembly for X-ray radiation

Abstract

The invention relates to a device for receiving a beam path assembly for X-ray radiation, the device having a base plate through which a through-hole for X-ray radiation passes, and a sheet metal part having a base part and a cover, the base part extending in a plane in the base plane of the sheet metal part, the sheet metal part being curved, and the cover being arranged in the base plane of the sheet metal part. The sheet metal part is fixed relative to the base plate by mutual pressing of the base and the plane of the base plate such that the cover shields the ambient region of the base plate against scattered beams of X-ray radiation directed from the edge region of the through-hole to the ambient region of the base plate.

Description

Technical Field

[0001] The present invention relates to a device for accommodating an optical path component for X-ray radiation, an X-ray radiation system for providing X-ray radiation, a medical imaging device, and a method for manufacturing a device for accommodating an optical path component for X-ray radiation. Background Art

[0002] In computed tomography systems, optical path components can be used, for example, for collimation, offset compensation, and / or filtering, particularly to improve image quality and / or reduce the X-ray dose. In conventional computed tomography systems, the radiator aperture plates are typically either very technically complex and costly, or, particularly in reduced-power computed tomography systems, their functional scope is significantly limited to save costs, such that, for example, movable mounting of the optical path components and / or adjustment of the collimation are not possible. In any case, shielding (or shielding) the surroundings from scattered X-ray beams is crucial.

[0003] DE 10 2020 214 314 B3 discloses a device for accommodating a beam path component for X-ray radiation. Summary of the Invention

[0004] The object of the present invention is to enable an alternative to conventional radiation shielding in the area of ​​beam path components of X-ray radiation. This object is achieved according to each subject of the present invention. Regardless of the grammatical gender of a particular term, persons of both masculine and feminine identities are included.

[0005] The present invention relates to a device for accommodating an optical path component for X-ray radiation,

[0006] - wherein the device comprises a base plate and a sheet material part,

[0007] - wherein a through hole for X-ray radiation passes through the bottom plate,

[0008] wherein the sheet metal component comprises a base and a cover, wherein the base extends planarly in a base plane of the sheet metal component, wherein the sheet metal component is curved such that the cover extends planarly away from the base plane of the sheet metal component,

[0009] The sheet metal part is fixed relative to the base plate by pressing the planes of the bottom and base plate against each other, so that the cover shields the surrounding area of ​​the base plate from scattered beams of X-ray radiation directed from the edge area of ​​the through-opening toward the surrounding area of ​​the base plate.

[0010] In particular, it can be provided that the base plate extends flat within the base plate plane. In particular, it can be provided that the through-hole passes through the base plate perpendicularly to the base plate and / or perpendicularly to the base plate plane. In particular, it can be provided that the bottom rests flatly on the base plate and / or that the bottom plane of the sheet metal part is parallel to the base plate and / or parallel to the base plate plane.

[0011] The optical path component may be, for example, a collimator and / or an optical filter. The optical path component may include, for example, a slotted plate and / or an optical filter, wherein the optical filter may be detachably connected to the slotted plate, in particular, by a threaded connection. The bracket system may be particularly designed to accommodate the slotted plate and / or the optical filter.

[0012] This makes possible a particularly easily adaptable and inexpensive type of construction, with which different aspects of the radiation shielding can be taken into account by correspondingly shaped sheet metal parts.

[0013] In particular, it can be provided that the through-hole is elongated and / or slit-shaped. In particular, it can be provided that the sheet metal component between the base and the cover has a base-cover bending region and / or that the base-cover bending region is curved about a base-cover bending axis. The base-cover bending axis can, for example, be parallel to the base and / or parallel to the base plane. In particular, it can be provided that the cover extends flat in the cover plane of the sheet metal component and / or that the absolute value of the angle between the base plane of the sheet metal component and the cover plane of the sheet metal component is greater than 40 degrees, for example, greater than 80 degrees, and / or less than 160 degrees, for example, less than 120 degrees.

[0014] For example, the sheet metal component can be bent by deformation, particularly bending, and / or cut by laser processing. The sheet metal component can be made of brass and / or steel, for example, and / or contain additives that improve the shielding properties and / or resistance of the sheet metal component to ionizing radiation. The planar pressing of the base and the base plate can be achieved, for example, by screwing the sheet metal component and the base plate together. The base plate can particularly include at least one threaded hole for screwing the sheet metal component and the base plate together. It can particularly be provided that a further layer, for example, the base of another sheet metal component, is arranged between the base and the base plate, and that the further layer is, for example, pressed together planarly between the base and the base plate, particularly by flattening the base plate in this manner.

[0015] An embodiment provides that the sheet metal part is a first sheet metal part of the device, wherein the base is the base of the first sheet metal part, wherein the cover is the cover of the first sheet metal part, and wherein the surrounding area is the first surrounding area of ​​the base plate.

[0016] In particular, it can be provided that the device comprises a second sheet material component, wherein the second sheet material component comprises a second sheet material component base and a second sheet material component cover, wherein the second sheet material component base extends planarly in a plane of the second sheet material component base, wherein the second sheet material component is curved such that the cover of the second sheet material component extends planarly away from the plane of the second sheet material component base, wherein the second sheet material component is fixed relative to the base by pressing the second sheet material component base and the plane of the base against each other, such that the cover of the second sheet material component shields the second surrounding area of ​​the base from scattered beams of X-ray radiation directed from the edge area of ​​the through-opening towards the second surrounding area of ​​the base.

[0017] In particular, it can be provided that the through-hole is located between the bottom of the first sheet member and the bottom of the second sheet member, wherein the connecting region of the first sheet member and the connecting region of the second sheet member are joined together so that the first sheet member and the second sheet member together form a profile bridging the through-hole. In particular, it can be provided that the bottom of the second sheet member lies flat against the base plate and / or that the bottom plane of the second sheet member is parallel to the base plate and / or parallel to the base plate plane. The bottom plane of the second sheet member can, for example, be coplanar with the bottom plane of the first sheet member.

[0018] The connecting region of the first sheet metal part and the connecting region of the second sheet metal part can be joined together, in particular, detachably and / or by means of a plug-in connection, so that the first sheet metal part and the second sheet metal part together form a profile that bridges the through-hole. For example, it can be provided that the connecting region of the first sheet metal part has a connecting tongue and / or that the connecting region of the second sheet metal part has an elongated hole for receiving the connecting tongue. The plug-in connection can, for example, be based on receiving the connecting tongue in the elongated hole (in particular, by inserting the connecting tongue into the elongated hole parallel to the bottom plane of the first sheet metal part and / or parallel to the bottom plane of the second sheet metal part).

[0019] In particular, the connecting region of the first sheet metal part and the connecting region of the second sheet metal part can be joined to each other in a form-locking manner so that the first sheet metal part and the second sheet metal part together form a profile bridging the through-hole, and / or the connecting region of the first sheet metal part is fixed in a form-locking manner relative to the base plate by means of the second sheet metal part to prevent movement perpendicular to the base plate.

[0020] In particular, it can be provided that the connection region of the first sheet member is arranged distally relative to the base of the first sheet member, and / or the connection region of the second sheet member is arranged distally relative to the base of the second sheet member. In particular, it can be provided that the cover of the first sheet member is located between the base of the first sheet member and the connection region of the first sheet member, and / or the cover of the second sheet member is located between the base of the second sheet member and the connection region of the second sheet member. For example, it can be provided that the cover of the second sheet member extends from the base of the second sheet member to the connection region of the second sheet member.

[0021] An embodiment provides that the cover extends away from the bottom plane of the sheet metal component so that the cover laterally shields the beam escape area of ​​the X-ray radiation, wherein, when the optical path component is accommodated in the device, the beam escape area of ​​the X-ray radiation extends from the base plate to the optical path component, in particular extends perpendicularly to the base plate.

[0022] In one embodiment, the cover extends through the through-hole, particularly so that the base plate is positioned between the bottom surface and the surrounding area of ​​the base plate. This allows for more efficient use of the surface area for securing the sheet metal component to the base plate. Furthermore, the cover shields the base plate from scattered X-ray radiation directed toward the base plate from the through-hole. Furthermore, the cover prevents the scattered radiation from penetrating the gap between the base plate and the bottom.

[0023] In one embodiment, the device includes a linear guide and a carriage system, wherein the carriage system is designed to accommodate the optical path component and is supported by the linear guide so as to be movable relative to the through-hole parallel to the base plate. In particular, the linear guide may include a first guide rail and a second guide rail, wherein the first guide rail and the second guide rail are fixed to the base plate, in particular such that the through-hole for the X-ray radiation is located between the first guide rail and the second guide rail in a direction parallel to the base plate and perpendicular to the linear guide.

[0024] One embodiment provides that the sheet metal component comprises a front aperture plate for admitting X-ray radiation into the device, wherein the cover extends from the bottom to the front aperture plate, wherein the sheet metal component is curved such that the front aperture plate extends in a planar manner parallel to the bottom plane of the sheet metal component. In particular, it can be provided that the front aperture plate is located between the cover of the first sheet metal component and the connecting region of the first sheet metal component and / or that the front aperture plate extends from the cover of the first sheet metal component to the connecting region of the first sheet metal component.

[0025] In particular, it can be provided that the front aperture plate extends flat in the plane of the front aperture plate and / or that the inlet opening for the X-ray radiation passes through the front aperture plate. In particular, it can be provided that the inlet opening for the X-ray radiation passes through the front aperture plate perpendicular to the front aperture plate and / or perpendicular to the plane of the front aperture plate. In particular, it can be provided that the plane of the front aperture plate is parallel to the bottom plane and / or the plane of the front aperture plate is parallel to the bottom plate and / or the bottom plate plane. The front aperture plate can be designed in particular for pre-collimation of the X-ray radiation. Thus, by using the plate component simultaneously for scattered radiation shielding and pre-collimation, the same plate component can be used multiple times.

[0026] In particular, it can be provided that the inlet opening is elongated and / or slit-shaped. In particular, it can be provided that the sheet metal component between the front orifice plate and the cover has a front orifice plate-cover bending area and / or that the front orifice plate-cover bending area is curved about a front orifice plate-cover bending axis. The front orifice plate-cover bending axis can, for example, be parallel to the base plate and / or parallel to the base plate plane. In particular, it can be provided that the cover extends flat in the cover plane of the sheet metal component and / or that the absolute value of the angle between the front orifice plate and the cover plane of the sheet metal component is greater than 40 degrees, for example greater than 80 degrees, and / or less than 160 degrees, for example less than 120 degrees.

[0027] One embodiment provides that the front aperture plate has a radiation monitor opening for allowing a radiation monitor portion of the X-ray radiation to enter the device, wherein the device has a radiation monitor detector for detecting the radiation monitor portion of the X-ray radiation.

[0028] One embodiment provides that the device comprises an outer sheet metal component, wherein the outer sheet metal component comprises an outer cover, wherein the outer cover shields the surrounding area of ​​the base plate from scattered beams of X-ray radiation directed from the edge area of ​​the through-opening toward the surrounding area of ​​the base plate and passing through the cover. In particular, it can be provided that the outer sheet metal component comprises a radiator coupling cover, wherein the radiator coupling cover protrudes beyond the front aperture plate and laterally shields the radiator coupling area of ​​the device, wherein the front aperture plate is located between the radiator coupling area and the through-opening.

[0029] In particular, it can be provided that the radiator coupling shield laterally shields the radiator coupling region of the device so that the radiator coupling shield prevents a lateral escape of scattered beams of X-ray radiation from the radiator coupling region into the baseplate environment, in particular a lateral escape essentially parallel to the baseplate.

[0030] The outer sheet metal component can, in particular, have an outer bottom, wherein the outer bottom extends planarly in a bottom plane of the outer sheet metal component, wherein the outer sheet metal component is curved such that the cover of the outer sheet metal component extends planarly away from the bottom plane of the outer sheet metal component. The outer sheet metal component can, in particular, be fixed relative to the base plate by the planar surfaces of the outer bottom and the base plate being pressed against each other. In particular, it can be provided that the outer bottom rests planarly on the base plate and / or that the bottom plane of the outer sheet metal component is parallel to the base plate and / or parallel to the base plate plane. In particular, it can be provided that the outer cover rests planarly on the cover and / or that the base plate is clamped between the outer bottom and the base plate.

[0031] The present invention further relates to an X-ray radiation system for providing X-ray radiation, wherein the X-ray radiation system comprises an apparatus according to the present invention, a radiation source for generating X-ray radiation, and a source shield arrangement for the radiation source, wherein the apparatus and the source shield arrangement are arranged relative to one another such that sheet metal components of the apparatus and the source shield arrangement together form, in particular by form-fitting and / or by overlapping, a labyrinthine arrangement for scattered beam shielding. It can be provided in particular that the X-ray radiation system comprises a beam path component and / or that the beam path component is accommodated in the apparatus, in particular such that the apparatus is located between the radiation source and the beam path component.

[0032] One embodiment provides that the source hood arrangement has an inner source hood, wherein the inner source hood is accommodated in the radiator coupling region and forms an overlap with the radiator coupling hood for shielding against scattered beams. A labyrinth arrangement can, for example, have an overlap formed by the inner source hood and the radiator coupling hood.

[0033] An embodiment provides that the source cover device has an external source cover, wherein a sheet metal part of the device extends into the source cover device, so that the external source cover shields the surrounding area of ​​the base plate from scattered beams of X-ray radiation directed from the edge area of ​​the through-opening toward the surrounding area of ​​the base plate and passing through the cover, in particular the cover and the outer cover.

[0034] In particular, it can be provided that a reference plane parallel to the base plate plane and / or the front aperture plate plane intersects the inner source cover and / or the outer sheet metal component and / or the outer source cover, respectively, in particular along a corresponding circumferentially closed contour. In particular, it can be provided that the front aperture plate plane lies between the base plate plane and the reference plane, and / or that the reference plane lies between the radiation source and the front aperture plate plane.

[0035] One embodiment provides that the sheet metal component has fastening tongues, wherein the fastening tongues are arranged outside the external source cover and positively counteract translational movements of the external source cover relative to the device in a direction parallel to the base plate. In particular, it can be provided that the external source cover is arranged between the cover and the fastening tongues in a direction parallel to the base plate.

[0036] The present invention further relates to a medical imaging device having an X-ray radiation system according to the invention and a detector, wherein the device is arranged between the radiation source and the detector. In particular, it can be provided that the base plate is fixed relative to the radiation source and the detector.

[0037] The medical imaging device may be, for example, a computed tomography device (CT device), a C-arm X-ray device or a fluoroscopic X-ray device. The computed tomography device may be, for example, a head computed tomography device, in particular a mobile head computed tomography device.

[0038] The invention further relates to a method for producing a device for accommodating a beam path component for X-ray radiation,

[0039] - Among them, base plate and plate components are provided,

[0040] - wherein a through hole for X-ray radiation passes through the bottom plate,

[0041] wherein the sheet metal component comprises a base and a cover, wherein the base extends planarly in a base plane of the sheet metal component, wherein the sheet metal component is curved such that the cover extends planarly away from the base plane of the sheet metal component,

[0042] The sheet metal part is fixed relative to the base plate by pressing the planes of the bottom and base plate against each other, so that the cover shields the surrounding area of ​​the base plate from scattered beams of X-ray radiation directed from the edge area of ​​the through-opening toward the surrounding area of ​​the base plate.

[0043] In particular, it can be provided that the sheet metal component is first positioned relative to the base plate by means of a mounting template and then fixed relative to the base plate by pressing the planes of the bottom and base plate against each other, for example by means of screw connections. The mounting template can then be disassembled and / or used to mount other sheet metal components of the same or different specimens of the device. Reusing the mounting template, which has been manufactured with high precision, can save costs. The mounting template can also be used to mount other components of the device, in particular for mounting the guide rails of the linear guide on the base plate.

[0044] An embodiment provides that the sheet metal part is a first sheet metal part of the device, wherein the bottom is a bottom of the first sheet metal part, wherein the cover is a cover of the first sheet metal part, wherein the surrounding area is a first surrounding area of ​​the base plate,

[0045] - wherein a second sheet material component is provided,

[0046] wherein the second sheet material part comprises a second sheet material part bottom and a second sheet material part cover, wherein the second sheet material part bottom extends planarly in a plane of the second sheet material part bottom, wherein the second sheet material part is curved such that the second sheet material part cover extends planarly away from the second sheet material part bottom plane,

[0047] wherein the second sheet member is fixed relative to the base plate by pressing the bottom of the second sheet member and the plane of the base plate against each other, so that the cover of the second sheet member shields the second surrounding area of ​​the base plate from scattered beams of X-ray radiation directed from the edge area of ​​the through-hole toward the second surrounding area of ​​the base plate, and the through-hole is located between the bottom of the first sheet member and the bottom of the second sheet member,

[0048] wherein the connecting region of the first sheet metal part and the connecting region of the second sheet metal part are joined to one another, so that the first sheet metal part and the second sheet metal part together form a profile bridging the through-opening.

[0049] In particular, it can be provided that the connecting region of the first sheet metal part and the connecting region of the second sheet metal part are detachably joined to one another and / or are joined by means of a plug-in connection, so that the first sheet metal part and the second sheet metal part together form a profile that bridges the through-hole. For example, it can be provided that the connecting region of the first sheet metal part has a connecting tongue and / or that the connecting region of the second sheet metal part has an elongated hole for receiving the connecting tongue. The plug-in connection can be formed, for example, in such a way that the connecting tongue is received in the elongated hole and / or the connecting tongue is introduced into the elongated hole substantially parallel to the bottom plane of the first sheet metal part and / or the bottom plane of the second sheet metal part.

[0050] Within the scope of the invention, features described with respect to different embodiments of the invention may be combined to form further embodiments of the invention.

[0051] For example, a device can also be expanded with features described or claimed in conjunction with a method, and vice versa. The functional features of a method can be implemented by correspondingly designed concrete components. The use of the indefinite article "a" or "an" does not exclude the presence of the relevant features multiple times. In the context of this application, the expression "based on" can be understood in particular in the sense of the expression "in the use of". BRIEF DESCRIPTION OF THE DRAWINGS

[0052] The features of the invention are explained below by way of example with reference to the accompanying drawings, in which the illustrations are schematic, greatly simplified and not necessarily true to scale.

[0053] Figures 1 to 3 shows an arrangement for accommodating an optical path component for X-ray radiation,

[0054] Figure 4shows an X-ray radiation system for providing X-ray radiation,

[0055] Figure 5 A medical imaging device is shown. DETAILED DESCRIPTION

[0056] Figures 1 to 3 shows a device 1 for receiving a beam path component 7 of X-ray radiation 27,

[0057] wherein the device 1 comprises a base plate 4 and a sheet metal part 5,

[0058] wherein a through-hole 40 for the X-ray radiation 27 passes through the base plate 4,

[0059] wherein the sheet metal component 5 comprises a bottom 54 and a cover 58 , wherein the bottom 54 extends planarly in the bottom plane of the sheet metal component 4 , wherein the sheet metal component 5 is curved such that the cover 58 extends planarly away from the bottom plane of the sheet metal component 5 ,

[0060] - In this case, the sheet metal component 5 is fixed relative to the base plate 4 by pressing the planes of the bottom 54 and the base plate 4 against each other, so that the cover 58 shields the surrounding area 8 of the base plate 4 from scattered beams of X-ray radiation 27 directed from the edge area of ​​the through-opening 40 towards the surrounding area 8 of the base plate 4.

[0061] In the example shown, it is provided that the base plate 4 extends flat within the base plate plane. In the example shown, it is provided that the through-hole 40 is perpendicular to the base plate 4 and passes through the base plate 4 perpendicular to the base plate plane. In the example shown, it is provided that the bottom 54 is flat against the base plate 4 and the bottom plane of the plate part 5 is parallel to the base plate 4 and parallel to the base plate plane. The optical path component 7 can be, for example, a collimator and / or an optical filter. The optical path component 7 can, for example, have a slotted plate and / or an optical filter, wherein the optical filter can be detachably connected to the slotted plate, in particular, screwed. The bracket system W is designed to accommodate the slotted plate and / or the optical filter.

[0062] In the example shown, it is provided that the sheet metal part 5 is the first sheet metal part 5A of the device 1 , wherein the bottom 54 is the bottom 54A of the first sheet metal part 5A, wherein the cover 58 is the cover 58A of the first sheet metal part 5A, and wherein the surrounding area 8 is the first surrounding area 8A of the base plate 4 .

[0063] - wherein the device 1 has a second sheet material part 5B,

[0064] wherein the second sheet member 5B comprises a bottom 54B of the second sheet member 5B and a cover 58B of the second sheet member 5B, wherein the bottom 54B of the second sheet member 5B extends planarly in a bottom plane of the second sheet member 5B, wherein the second sheet member 5B is curved such that the cover 58B of the second sheet member 5B extends planarly away from the bottom plane of the second sheet member 5B,

[0065] wherein the second sheet member 5B is fixed relative to the base plate 4 by pressing the bottom 54B of the second sheet member 5B and the plane of the base plate 4 against each other, so that the cover 58B of the second sheet member 5B shields the second surrounding area 8B of the base plate 4 from scattered beams of X-ray radiation 27 directed from the edge area of ​​the through-hole 40 toward the second surrounding area 8B of the base plate 4,

[0066] -wherein the through hole 40 is located between the bottom 54A of the first sheet member 5A and the bottom 54B of the second sheet member 5B, wherein the connecting region 55A of the first sheet member 5A and the connecting region 55B of the second sheet member 5B are spliced ​​to each other, so that the first sheet member 5A and the second sheet member 5B together form a profile bridging the through hole 40.

[0067] In the example shown, it is provided that the bottom 54B of the second sheet member 5B lies flat against the base plate 4, and that the bottom plane of the second sheet member 5B is parallel to the base plate 4 and to the base plate plane. For example, the bottom plane of the second sheet member 5B can be coplanar with the bottom plane of the first sheet member 5A.

[0068] The connecting region 55A of the first sheet metal part 5A and the connecting region 55B of the second sheet metal part 5B can be joined together, in particular, detachably and / or by means of a plug-in connection, so that the first sheet metal part 5A and the second sheet metal part 5B together form a profile that bridges the through-hole 40. For example, it can be provided that the connecting region 55A of the first sheet metal part 5A has a connecting tongue and / or that the connecting region 55B of the second sheet metal part 5B has an elongated hole for receiving the connecting tongue. The plug-in connection can, for example, be based on receiving the connecting tongue in the elongated hole (in particular, by inserting the connecting tongue into the elongated hole parallel to the bottom plane of the first sheet metal part 5A and / or the bottom plane of the second sheet metal part 5B).

[0069] The connecting area 55A of the first sheet material part 5A and the connecting area 55B of the second sheet material part 5B can in particular be spliced ​​in a form-locking manner so that the first sheet material part 5A and the second sheet material part 5B together form a profile bridging the through-hole 40, and / or the connecting area 55A of the first sheet material part 5A is fixed in a form-locking manner relative to the base plate 4 by means of the second sheet material part 5B to prevent movement perpendicular to the base plate 4.

[0070] In the example shown, the connection region 55A of the first sheet member 5A is arranged distally relative to the bottom 54A of the first sheet member 5A, and the connection region 55B of the second sheet member 5B is arranged distally relative to the bottom 54B of the second sheet member 5B. In the example shown, the cover 58A of the first sheet member 5A is located between the bottom 54A of the first sheet member 5A and the connection region 55A of the first sheet member 5A, and the cover 58B of the second sheet member 5B is located between the bottom 54B of the second sheet member 5B and the connection region 55B of the second sheet member 5B. For example, the cover 58B of the second sheet member 5B can extend from the bottom 54B of the second sheet member 5B to the connection region 55B of the second sheet member 5B.

[0071] In the example shown, it is provided that the cover 58C extends away from the bottom plane of the sheet material part 5C so that the cover 58C laterally shields the beam escape region 47 of the X-ray radiation 27, wherein, when the optical path component 7 is accommodated in the device 1, the beam escape region 47 of the X-ray radiation 27 extends from the base plate 4 to the optical path component 7, in particular extends perpendicularly to the base plate 4.

[0072] In the example shown, it is provided that the cover 58C of the sheet metal part 5C is penetrated by the through hole 40, in particular penetrated so that the base plate 4 is located between the bottom plane of the sheet metal part 5C and the surrounding area 8C of the base plate 4, and the bottom 54C of the sheet metal part 5C extends flatly in the bottom plane.

[0073] In the example shown, the device 1 has a linear guide L and a support system W, wherein the support system W is designed to receive the beam path component 7 and is mounted movably relative to the through-opening 40 parallel to the base plate 4 by means of the linear guide L.

[0074] In the example shown, it is provided that the sheet element 5 has a front aperture plate A for admitting X-ray radiation 27 into the device 1, wherein a cover 58 extends from the bottom 54 to the front aperture plate A, wherein the sheet element 5 is curved such that the front aperture plate A extends in a planar manner parallel to the bottom plane of the sheet element 5. In the example shown, it is provided that the front aperture plate A is located between the cover 58A of the first sheet element 5A and the connecting region 55A of the first sheet element 5A and that the front aperture plate A extends from the cover 58A of the first sheet element 5A to the connecting region 55A of the first sheet element 5A.

[0075] In the example shown, it is provided that the front aperture plate A has a radiation monitor opening N5 for allowing a radiation monitor portion of the X-ray radiation 27 to enter the device 1, wherein the device 1 has a radiation monitor detector N2 for detecting the radiation monitor portion of the X-ray radiation 27. A cutout is provided in the bottom 54A of the first sheet metal component 5A, through which a cable N1 is guided, which connects the radiation monitor detector N2 to a radiation monitor interface N3 for power supply and data transmission purposes.

[0076] In the example shown, it is provided that the device 1 has an outer sheet metal component 5E, wherein the outer sheet metal component 5E has an outer cover 58E, wherein the outer cover 58E shields the surrounding area 8 of the base plate 4 from scattered beams of X-ray radiation 27 directed from the edge area of ​​the through-opening 40 toward the surrounding area 8 of the base plate 4 and passing through the cover 58, wherein the outer sheet metal component 5E has a radiator coupling cover E, wherein the radiator coupling cover E protrudes beyond the front aperture plate A and laterally shields the radiator coupling area 52 of the device 1, wherein the front aperture plate A is located between the radiator coupling area 52 and the through-opening 40.

[0077] In the example shown, the radiator coupling cap E is provided to laterally shield the radiator coupling region 52 of the device 1 so that the radiator coupling cap E prevents the lateral escape of scattered beams of the X-ray radiation 27 from the radiator coupling region 52 into the environment of the base plate 4, in particular a lateral escape essentially parallel to the base plate.

[0078] The outer sheet member 5E can, in particular, have an outer bottom 54E, wherein the outer bottom 54E extends planarly in the bottom plane of the outer sheet member 5E. The outer sheet member 5E is curved such that the cover 58E of the outer sheet member 5E extends planarly away from the bottom plane of the outer sheet member 5E. The outer sheet member 5E can, in particular, be fixed relative to the base plate 4 by the outer bottom 54E and the planes of the base plate 4 being pressed against each other. In the example shown, the outer bottom 54E is provided to lie planarly against the base plate 54, and / or the bottom plane of the outer sheet member 5E is parallel to the base plate 4 and / or parallel to the base plate plane. In the example shown, the outer cover 58E is provided to lie planarly against the cover 58, and the base plate 54 is sandwiched between the outer bottom 54E and the base plate 4.

[0079] The device 1 comprises a plurality of sheet metal parts 5 which are screwed to the base plate 4 and arranged in layers one on top of the other, thereby shielding the environment of the base plate 4 from scattered beams of the X-ray radiation 27 .

[0080] The device 1 further comprises a threaded spindle, a threaded transmission and a drive M, wherein the threaded spindle is rotatably supported relative to the base plate 4 about the spindle rotation axis, wherein the support system W is movably supported relative to the base plate 4 parallel to the spindle rotation axis by means of a linear guide L, wherein the threaded transmission is designed to convert a first rotational movement of the threaded spindle about the spindle rotation axis into a translational movement of the support system W relative to the base plate 4 parallel to the spindle rotation axis, wherein the drive M is designed to drive the first rotational movement of the threaded spindle. The drive M is fixed to the base plate 4 and is shielded by means of at least one sheet metal component against scattered beams of X-ray radiation (27) directed toward the drive M from the edge region of the through-opening 40.

[0081] Figure 4 An X-ray radiation system 2 for providing X-ray radiation 27 is shown. The X-ray radiation system 2 includes an apparatus 1, a radiation source 26 for generating X-ray radiation 27, and a source shield arrangement 6 for the radiation source 26. The apparatus 1 and the source shield arrangement 26 are arranged relative to one another so that the sheet metal component 5 of the apparatus 1 and the source shield arrangement 6 together form a labyrinthine arrangement for scattered beam shielding. The X-ray radiation system 2 includes a beam path component 7. The beam path component 7 is accommodated in the apparatus 1, in particular so that the apparatus 1 is located between the radiation source 26 and the beam path component 6.

[0082] In the example shown, the device 1 according to the present application is configured in which the source cover arrangement 6 has an inner source cover 61 , wherein the inner source cover 60 is accommodated in the radiator coupling region 52 and forms an overlap with the radiator coupling cover E for shielding against scattered beams.

[0083] In the example shown, it is provided that the source cover device 6 has an external source cover 62, wherein the sheet metal component 5 of the device 1 extends into the source cover device 6, so that the external source cover 162 shields the surrounding area 8 of the base plate 4 from scattered beams of X-ray radiation 27 directed from the edge area of ​​the through-opening 40 toward the surrounding area 8 of the base plate 4 and passing through the cover 58.

[0084] In the example shown, it is provided that the sheet metal component 5L has a fixing tongue L, wherein the fixing tongue L is arranged outside the external source cover 62 and positively counteracts a translational movement of the external source cover 62 relative to the device 1 in a direction parallel to the base plate 4. In particular, it is provided that the external source cover 62 is arranged in a direction parallel to the base plate 4 between the cover 58L of the sheet metal component 5L and the fixing tongue L. The fixing tongue L extends in a planar manner away from the bottom plane of the sheet metal component 5L, in which the bottom 54L of the sheet metal component 4L extends in a planar manner.

[0085] Figure 5A medical imaging device 3 in the form of a computed tomography device is shown, which has an X-ray radiation system 2 and a detector 28 , wherein the device 1 is arranged between the radiation source 26 and the detector 28 , in particular between the radiation source 26 and the axis of rotation S.

[0086] The medical imaging device 3 also includes a computing unit 35, which is designed to control the drive M based on position information regarding the position of the optical path component 7 relative to the radiation source 26 and / or the detector 28 in order to position the optical path component 7 in a target position relative to the radiation source 26 and / or the detector 28. The computing unit 35 is formed by a computer 30 having a processor system 34, a memory system 32, a data transmission interface 36, an input unit 38, and a display unit 39 in the form of a screen. The computer 30 is also connected to a radiation monitor interface N3. The computed tomography device includes a patient support 10 for supporting a patient 13. The patient support 10 includes a support base 11 and a support plate 12. By moving the support plate 12 and the gantry 20 relative to each other, the examination region 19 of the patient 13 can be introduced into the tunnel-shaped opening 9 of the gantry 20.

[0087] The computed tomography system includes a gantry 20. The gantry 20 includes a supporting frame 21, a tilting frame 22 supported tiltably relative to the supporting frame 21, and a rotating frame 24 supported rotatably relative to the tilting frame 22 about an axis of rotation S. The rotating frame 24 includes a radiation source 26, a detector 28, and the device 1. The position and / or orientation of the base plate 4 relative to the rotating frame 24, and thus relative to the radiation source 26 and the detector 28, can be adjusted using adjustment elements Z0, Z1, and R.

Claims

1. A device (1) for accommodating an optical path component (7) for X-ray radiation (27), -in, The device (1) comprises a base plate (4) and a sheet metal part (5), - wherein a through hole (40) for the X-ray radiation (27) passes through the base plate (4), - wherein the sheet metal component (5) has a bottom (54) and a cover (58), wherein the bottom (54) extends in a planar manner in a bottom plane of the sheet metal component (5), wherein the sheet metal component (5) is curved such that the cover (58) extends in a planar manner away from the bottom plane of the sheet metal component (5), - wherein the sheet metal component (5) is fixed relative to the base plate (4) by mutual compression of the planes of the bottom (54) and the base plate (4), so that the cover (58) shields the surrounding area (8) of the base plate (4) from scattered beams of the X-ray radiation (27) directed from the edge area of ​​the through hole (40) to the surrounding area (8) of the base plate (4).

2. The device (1) according to claim 1, -in, The sheet member (5) is a first sheet member (5A) of the device (1), wherein the bottom (54) is a bottom (54A) of the first sheet member (5A), wherein the cover (58) is a cover (58A) of the first sheet member (5A), wherein the environmental area (8) is a first environmental area (8A) of the base plate (4), - wherein the device (1) has a second sheet material component (5B), - wherein the second sheet member (5B) has a bottom (54B) of the second sheet member (5B) and a cover (58B) of the second sheet member (5B), wherein the bottom (54B) of the second sheet member (5B) extends planarly in a bottom plane of the second sheet member (5B), wherein the second sheet member (5B) is curved such that the cover (58B) of the second sheet member (5B) extends planarly away from the bottom plane of the second sheet member (5B), - wherein the second sheet member (5B) is fixed relative to the base plate (4) by mutual pressing of the bottom (54B) of the second sheet member (5B) and the plane of the base plate (4), so that the cover (58B) of the second sheet member (5B) shields the second surrounding area (8B) of the base plate (4) from scattered beams of the X-ray radiation (27) directed from the edge area of ​​the through hole (40) to the second surrounding area (8B) of the base plate (4), -Wherein, the through hole (40) is located between the bottom (54A) of the first sheet member (5A) and the bottom (54B) of the second sheet member (5B), wherein the connecting area (55A) of the first sheet member (5A) and the connecting area (55B) of the second sheet member (5B) are spliced ​​to each other, so that the first sheet member (5A) and the second sheet member (5B) together form a profile that bridges the through hole (40).

3. The device (1) according to claim 1 or 2, -in, The cover (58) extends away from the bottom plane of the sheet metal component (5) so that the cover (58) laterally shields the beam escape region (47) of the X-ray radiation (27). - wherein, when the optical path component (7) is accommodated in the device (1), the beam escape region (47) of the X-ray radiation (27) extends from the base plate (4) to the optical path component (7).

4. The device (1) according to any one of claims 1 to 3, - wherein the cover (58) is passed through the through hole (40).

5. The device (1) according to any one of claims 1 to 4, -in, The device (1) has a linear guide (L) and a carriage system (W), - wherein the support system (W) is designed to accommodate the optical path component (7) and is supported movably relative to the through hole (40) parallel to the base plate (4) by means of the linear guide (L).

6. The device (1) according to any one of claims 1 to 5, -in, The sheet material component (5) has a front aperture plate (A) for allowing the X-ray radiation (27) to enter the device (1), - wherein the cover (58) extends from the bottom (54) to the front aperture plate (A), - wherein the sheet member (5) is curved so that the front aperture plate (A) extends in a plane parallel to the bottom plane of the sheet member (5).

7. The device (1) according to claim 6, -in, The front aperture plate (A) has a radiation monitor opening (N5) for allowing a radiation monitor portion of the X-ray radiation (27) to enter the device (1), wherein the device (1) comprises a radiation monitor detector (N2) for detecting a radiation monitor portion of the x-ray radiation (27).

8. The device (1) according to claim 6 or 7, - wherein the device (1) has an outer sheet material part (5E), - wherein said The outer plate component (5E) has an outer cover (58E), wherein the outer cover (58E) shields the surrounding area (8) of the base plate (4) from scattered beams of the X-ray radiation (27) directed from the edge area of ​​the through-hole (40) toward the surrounding area (8) of the base plate (4) and passing through the cover (58), - wherein the outer sheet material part (5E) has a radiator coupling cover (E), wherein the radiator coupling cover (E) protrudes beyond the front aperture plate (A) and laterally shields the radiator coupling area (52) of the device (1), wherein the front aperture plate (A) is located between the radiator coupling area (52) and the through-hole (40).

9. An X-ray radiation system (2) for providing X-ray radiation (27), -in, The X-ray radiation system (2) comprises a device (1) according to any one of claims 1 to 8, a radiation source (26) for generating the X-ray radiation (27), and a source shield device (6) for the radiation source (26). - wherein the device (1) and the source shielding device (6) are arranged relative to one another in such a way that the sheet metal part (5) of the device (1) and the source shielding device (6) together form a labyrinthine arrangement for scattered beam shielding.

10. The X-ray radiation system (2) according to claim 9, - wherein the device (1) according to claim 8 is constructed, -in, The source cover device (6) has an inner source cover (61), wherein the inner source shield (61) is accommodated in the radiator coupling region (52) and forms an overlap with the radiator coupling shield (E) for scattered beam shielding.

11. The X-ray radiation system (2) according to claim 9 or 10, -in, The source cover device (6) has an external source cover (62), - wherein the sheet metal component (5) of the device (1) extends into the source cover device (6) so that the external source cover (62) shields the environmental area (8) of the base plate (4) from scattered beams of the X-ray radiation (27) directed from the edge area of ​​the through hole (40) to the environmental area (8) of the base plate (4) and passing through the cover (58).

12. The X-ray radiation system (2) according to claim 11, -in, The plate component (5) has a fixing tongue (L), wherein the fixing tongue (L) is arranged outside the external source cover (62) and positively resists a translational movement of the external source cover (62) relative to the device (1) in a direction parallel to the base plate (4).

13. A medical imaging device (3) having - X-ray radiation system (2) and detector (28) according to any one of claims 9 to 12, -in, The device (1) is arranged between the radiation source (26) and the detector (28).

14. A method for producing a device (1) for a light path component (7) for receiving X-ray radiation (27), - wherein a base plate (4) and a sheet material component (5) are provided, - Among them, used for The through hole (40) for the X-ray radiation (27) passes through the bottom plate (4), - wherein the sheet metal component (5) has a bottom (54) and a cover (58), wherein the bottom (54) extends in a planar manner in a bottom plane of the sheet metal component (5), wherein the sheet metal component (5) is curved such that the cover (58) extends in a planar manner away from the bottom plane of the sheet metal component (5), - wherein the sheet metal component (5) is fixed relative to the base plate (4) by mutual compression of the planes of the bottom (54) and the base plate (4), so that the cover (58) shields the surrounding area (8) of the base plate (4) from scattered beams of the X-ray radiation (27) directed from the edge area of ​​the through hole (40) to the surrounding area (8) of the base plate (4).

15. The method according to claim 14, -in, The sheet member (5) is a first sheet member (5A) of the device (1), wherein the bottom (54) is a bottom (54A) of the first sheet member (5A), wherein the cover (58) is a cover (58A) of the first sheet member (5A), wherein the environmental area (8) is a first environmental area (8A) of the base plate (4), - wherein a second sheet member (5B) is provided, - wherein the second sheet member (5B) has a bottom (54B) of the second sheet member (5B) and a cover (58B) of the second sheet member (5B), wherein the bottom (54B) of the second sheet member (5B) extends planarly in a bottom plane of the second sheet member (5B), wherein the second sheet member (5B) is curved such that the cover (58B) of the second sheet member (5B) extends planarly away from the bottom plane of the second sheet member (5B), - wherein the second sheet member (5B) is fixed relative to the base plate (4) by mutual compression of the bottom (54B) of the second sheet member (5B) and the plane of the base plate (4), so that the cover (58B) of the second sheet member (5B) shields the second surrounding area (8B) of the base plate (4) from scattered beams of the X-ray radiation (27) directed from the edge area of ​​the through hole (40) to the second surrounding area (8B) of the base plate (4), and the through hole (40) is located between the bottom (54A) of the first sheet member (5A) and the bottom (54B) of the second sheet member (5B), -Wherein, the connecting region (55A) of the first sheet material part (5A) and the connecting region (55B) of the second sheet material part (5B) are spliced ​​to each other so that the first sheet material part (5A) and the second sheet material part (5B) together form a profile that bridges the through hole (40).

Images