Computed tomography apparatus with body support

Abstract

The invention relates to a computed tomography apparatus having a frame with an opening and a body support device for supporting a human body relative to the opening, the body support device having a pallet, a support, a pallet pivoting device and a support pivoting device; the support is pivotally mounted about a support pivot axis relative to the frame by means of a support pivot device such that the support can be moved relative to the frame from a transport position of the support to an inspection position of the support by a first pivot movement of the support about the support pivot axis when the pallet is in a ready position of the pallet; the pallet is pivotally mounted about a pallet pivot axis relative to the frame by means of a pallet pivot device such that the pallet can be lowered relative to the frame from a pallet preparation position to a pallet inspection position by a first pivoting movement of the pallet about the pallet pivot axis when the support is in the support inspection position; when the pallet is in the pallet inspection position and the support is in the support inspection position, the support positively counteracts the lowering of the pallet.

Description

Technical Field

[0001] The invention relates to a computer tomography apparatus having a body support device for supporting a human body. The invention also relates to a medical imaging system. Background Art

[0002] In order to support a person's body relative to an opening of a frame of a medical imaging device for medical imaging examinations, a body support device can be used. Advantageously, it is possible to switch between the following two operating states with minimal effort: an operating state in which the body support device is arranged relative to the frame in a space-saving manner; and an operating state in which the body support device protrudes away from the opening of the frame.

[0003] It is also advantageous to be able to adapt the body support device to the shape and / or size of the bed used to support the human body with as little effort as possible. This need exists in particular in computer tomography devices that, although they have a relatively small opening adapted to the shape of a teenager's and / or adult's head, are also used as head and / or body scanners for infants and / or small children. Accordingly, these computer tomography devices are used both for adult beds and for children's beds. These beds can differ in particular in terms of the interaction with the body support device.

[0004] Both the computed tomography apparatus and the patient bed can each be designed to be movable. At least in those parts of the clinical workflow that provide such mobility, the body support device should also be compatible with the mobility of the computed tomography apparatus and the patient bed, in particular with respect to each other. Summary of the invention

[0005] The object of the present invention is to provide a computer tomography device with a body support, which is improved with regard to the possibility of adapting the body support to various examination situations. Each subject of the independent claim solves this object. Further advantageous aspects of the invention are considered in the dependent claims. Regardless of the grammatical gender of the specific terms, people with male and female gender identities are included.

[0006] The invention relates to a computer tomography device having a gantry with an opening and a body support device for supporting a human body relative to the opening.

[0007] - wherein the body support device comprises a support plate, a support portion, a support plate pivot device and a support portion pivot device,

[0008] - wherein the support is pivotably supported relative to the frame about a support pivot axis by means of a support pivot device, so that when the pallet is in the pallet preparation position, the support can be moved relative to the frame from a transport position of the support to an inspection position of the support by a first pivoting movement of the support about the support pivot axis,

[0009] - wherein the pallet is pivotably supported relative to the frame about a pallet pivot axis by means of a pallet pivot device, so that when the support is in the inspection position of the support, the pallet can be lowered relative to the frame from a preparation position of the pallet to an inspection position of the pallet by a first pivoting movement of the pallet about the pallet pivot axis,

[0010] wherein the support part positively reacts to the lowering of the pallet when the pallet is in the testing position of the pallet and the support part is in the testing position of the support part.

[0011] In particular, the body support device can be arranged relative to the opening so that when the pallet is in the examination position of the pallet relative to the frame and the head of the person is introduced into the opening along the system axis of the frame, the shoulder area of ​​the person's body rests on the pallet. The computed tomography device can be designed in particular as a head computed tomography device and / or a mobile computed tomography device. In particular, it can be provided that when the pallet is in the examination position of the pallet, the person can be moved relative to the frame along the system axis of the frame, in particular can be moved by medical personnel, so that the head of the person is introduced into the opening.

[0012] In particular, it can be provided that the pallet is pivotably supported relative to the frame about the pallet pivot axis by means of a pallet pivot device, so that by a further pivoting movement of the pallet about the pallet pivot axis, the pallet can be moved relative to the frame from an inspection position of the pallet to a preparation position of the pallet. In particular, a further pivoting movement of the pallet about the pallet pivot axis can result in the pallet being raised from the inspection position of the pallet to the preparation position of the pallet. In particular, it can be provided that the support is pivotably supported relative to the frame about the support pivot axis by means of a support pivot device, so that by a second pivoting movement of the support about the support pivot axis, the support can be moved relative to the frame from an inspection position of the support to a transport position of the support.

[0013] The support plate can be designed in a particularly stable and / or plate-shaped manner. The opening can be, for example, tunnel-shaped and / or extend along a system axis. The system axis can, for example, extend through the opening, in particular through the central area of ​​the opening. The system axis can, for example, extend through the symmetry center of the computed tomography device. The support plate pivot device can, in particular, be a pivot bearing and / or be designed in the form of a folding mechanism. In particular, it can be provided that the body support device also has a damper for braking the first pivoting movement of the support plate relative to the frame. The damper can, for example, be integrated into the support plate pivot device. The damper can, for example, be a rotation damper and / or a torsion spring.

[0014] In particular, it can be provided that the system axis is substantially horizontal, in particular horizontal, and / or the tray pivot axis is substantially horizontal, in particular horizontal. In particular, it can be provided that the tray pivot axis is below the system axis relative to the vertical. In particular, the tray pivot axis can be at the height of the lower edge of the opening relative to the vertical.

[0015] In particular, it can be provided that the pallet extends flat in a pallet plane and / or that the pallet plane is substantially parallel, in particular parallel to the pallet pivot axis. In particular, it can be provided that the pallet extends flat between a bedside edge of the pallet and a frameside edge of the pallet, in particular when the pallet is in the examination position. In particular, the frameside edge of the pallet can be arranged at the pallet pivot axis. The bedside edge of the pallet can in particular be on a side of the pallet facing away from the pallet pivot axis.

[0016] In particular, it can be provided that when the pallet is in the standby position of the pallet, the pallet plane is substantially perpendicular, in particular perpendicular to the system axis. In particular, it can be provided that when the pallet is in the checking position of the pallet, the pallet protrudes away from the opening. In particular, it can be provided that when the pallet is in the checking position of the pallet, the angle between the pallet plane and the system axis is less than 45 degrees, for example less than 20 degrees, in particular less than 10 degrees.

[0017] One embodiment proposes that the pallet is pivotably supported relative to the frame about a pallet pivot axis by means of a pallet pivot device, so that when the support part is in the transport position of the support part, the pallet can be lowered from the inspection position of the pallet to the transport position of the pallet relative to the frame through a second pivotal movement of the pallet about the pallet pivot axis.

[0018] Furthermore, it can be provided that the pallet is pivotably supported relative to the frame about a pallet pivot axis by means of a pallet pivot device, so that by a preparatory pivoting movement of the pallet about the pallet pivot axis, the pallet can be moved relative to the frame from a transport position of the pallet to a preparation position of the pallet. In particular, it can be provided that the preparatory pivoting movement of the pallet about the pallet pivot axis causes a lifting of the pallet, in particular causes a lifting of the pallet from a transport position of the pallet to a preparation position of the pallet.

[0019] Furthermore, it can be provided that the frame has an interior area and a cover for isolating the interior area from the environment, and that the pallet rests against the area of ​​the cover when the pallet is in the transport position of the pallet relative to the frame. In particular, it can be provided that when the pallet is in the transport position of the pallet relative to the frame, the pallet plane is substantially perpendicular to the system axis, in particular perpendicular to the system axis. This can reduce the space requirement of the frame, in particular for carrying out transport movements of the frame.

[0020] In particular, it can be provided that the pallet is pivotably supported relative to the frame about a pallet pivot axis by means of a pallet pivot device, so that by a third pivoting movement of the pallet about the pallet pivot axis, the pallet can be moved relative to the frame from a preparation position of the pallet to a transport position of the pallet. In particular, the third pivoting movement of the pallet about the pallet pivot axis can cause the pallet to be lowered from the preparation position of the pallet to the transport position of the pallet. In particular, the damper can also be configured to brake the third pivoting movement of the pallet relative to the frame.

[0021] One embodiment proposes that the body support device also has a locking system, wherein the locking system is configured to lock the support portion relative to the frame in an inspection position of the support portion, in particular to lock the support portion in a form-fitting and / or force-fitting manner, and / or to lock the support portion relative to the frame in a transport position of the support portion, in particular to lock the support portion in a form-fitting and / or force-fitting manner.

[0022] The locking system can be provided in particular for securing the support part in a form-fitting and / or force-fitting manner against leaving the inspection position of the support part when the support part is in the inspection position of the support part. The locking system can be provided in particular for securing the support part in a form-fitting and / or force-fitting manner against leaving the transport position of the support part when the support part is in the transport position of the support part.

[0023] One embodiment provides that the pallet has a first connecting element, wherein the support has a second connecting element, wherein the first connecting element and the second connecting element together form a connecting portion, which reacts in a form-fitting manner to an outward deviation of the support about the support pivot axis from the checking position when the pallet is in the checking position of the pallet and the support is in the checking position of the support. In particular, it can be provided that the locking system has a first connecting element and a second connecting element.

[0024] One embodiment provides that the first connecting element is a rib, wherein the second connecting element is a recess for positively accommodating a section of the rib. It can also be provided that by a first pivoting movement of the pallet about the pallet pivot axis, the pallet can be lowered relative to the frame from the pallet preparation position to the pallet inspection position, so that when the support is in the support inspection position, the rib section is positively accommodated in the recess when the pallet inspection position is reached.

[0025] In particular, it can be provided that, when the support is close to the inspection position of the support, the inserted form fit between the rib section and the recess enables the section of the rib to be centered relative to the recess when the inspection position of the support plate is reached. In particular, the centering of the rib section relative to the recess can provide for an exact positioning of the support in the inspection position of the support.

[0026] One embodiment provides that the rib extends substantially vertically, in particular perpendicularly, relative to the tray pivot axis. One embodiment provides that the support pivot axis is substantially vertical, in particular perpendicularly, and / or the tray pivot axis is substantially horizontal, in particular horizontally.

[0027] One embodiment proposes that the body support device also has a retaining device, wherein a pallet pivot device is connected to a frame by means of the retaining device, wherein the pallet is connected to the retaining device by means of the pallet pivot device and is pivotably supported relative to the retaining device around a pallet pivot axis, wherein a support part pivot device is connected to the frame by means of the retaining device, wherein the support part is connected to the retaining device by means of the support part pivot device and is pivotably supported relative to the retaining device around a support part pivot axis.

[0028] Furthermore, it can be provided that the support has an oblique strut which extends from the support pivot device to the second connecting element and / or is arranged obliquely and essentially vertically, in particular vertically, relative to the pallet pivot axis when the support is in the support's inspection position.

[0029] In particular, the holding device can be provided to variably set the distance between the support plate pivot axis and the system axis, in particular to variably set the distance in steps or continuously.

[0030] The holding device can be provided in particular for variably setting the distance between the pallet pivot axis and the system axis by setting the height at which the pallet pivot axis extends relative to the vertical direction, wherein the height of the system axis relative to the vertical direction remains constant. For this purpose, the holding device can be implemented telescopically, for example. The holding device can have a locking device, for example, in order to maintain the set distance between the pallet pivot axis and the system axis.

[0031] In particular, it can be provided that during a first pivoting movement of the pallet about the pallet pivot axis, the holding device is stationary relative to the frame and / or during a preparatory pivoting movement of the pallet about the pallet pivot axis, the holding device is stationary relative to the frame. In particular, it can be provided that during a second pivoting movement of the pallet about the pallet pivot axis, the holding device is stationary relative to the frame and / or during a third pivoting movement of the pallet about the pallet pivot axis, the holding device is stationary relative to the frame.

[0032] One embodiment provides that the support part extends flat in a support plane and / or that the support plane is substantially parallel, in particular parallel to the pallet pivot axis, when the support part is in the transport position of the support part.

[0033] In particular, it can be provided that, when the support is in the inspection position of the support, the support plane is substantially perpendicular, in particular perpendicular, to the pallet pivot axis. The oblique struts can be, for example, rod-shaped. In particular, the longitudinal direction of the oblique struts can be substantially parallel, in particular parallel to the support plane. In particular, it can be provided that, when the pallet is in the inspection position of the pallet and the support is in the inspection position of the support, the oblique struts, the ribs and the section of the holding device extending between the pallet pivot device and the support pivot device are arranged along the three sides of a triangle. In this way, the load on the pallet can be transferred to the holding device via the support.

[0034] One embodiment provides that the support portion pivot device has a hinge for pivotably mounting the support portion relative to the machine frame.

[0035] One embodiment provides that the hinge is a torque hinge, in particular with an adjustable torque. The hinge can be, for example, a friction hinge, in particular with an adjustable friction. Thus, a rough positioning of the support can be performed, in particular close to the inspection position of the support and / or in the transport position of the support.

[0036] One embodiment provides that the hinge has a fixing mechanism so that the hinge can be fixed in each hinge point, in particular manually by means of a clamping lever integrated in the hinge. In this way, in particular unintentional movements of the support part can be prevented.

[0037] One embodiment provides that the hinge has a latching mechanism, so that the hinge can be latched in each of a plurality of latching locations of the hinge. This makes it possible to roughly position the support, in particular close to a test position of the support and / or in a transport position of the support. In particular, it can be provided that the locking system has a fastening mechanism for the hinge and / or a latching mechanism for the hinge.

[0038] One embodiment provides that the support is a first support, the support pivot device is a first support pivot device, and the support pivot axis is a first support pivot axis, wherein the body support device has a second support and a second support pivot device, wherein the second support is pivotably supported relative to the frame about the second support pivot axis by means of the second support pivot device, so that when the pallet is in the pallet preparation position, the second support can be moved relative to the frame from the transport position of the second support to the inspection position of the second support by a first pivoting movement of the second support about the second support pivot axis. It can also be provided that the first support pivot axis and the second support pivot axis are spaced apart from each other along the pallet pivot axis and are substantially parallel, in particular parallel, to each other.

[0039] In particular, the pallet can be pivotally supported relative to the frame around the pallet pivot axis by means of a pallet pivot device, so that when the first support part is in the inspection position of the first support part and the second support part is in the inspection position of the second support part, the pallet can be lowered from the pallet's preparation position to the pallet's inspection position relative to the frame through a first pivotal movement of the pallet around the pallet pivot axis, wherein when the pallet is in the pallet's inspection position, the first support part is in the inspection position of the first support part, and the second support part is in the inspection position of the second support part, the first support part and the second support part jointly fix the pallet in a shape-fitting manner to prevent it from falling.

[0040] The first support part can be arranged in particular according to one or more of the aspects described for the support part. The second support part can be arranged in particular according to one or more of the aspects described for the support part. In particular, it can be provided that the second support part is pivotably supported relative to the frame about the second support part pivot axis by means of a second support part pivot device, so that by a second pivoting movement of the second support part about the second support part pivot axis, the second support part can be moved relative to the frame from an inspection position of the second support part to a transport position of the second support part.

[0041] In particular, it can be provided that the first support part extends flat in the first support plane and the second support part extends flat in the second support plane. In particular, it can be provided that when the first support part is in the transport position of the first support part and the second support part is in the transport position of the second support part, the first support plane and the second support plane are respectively substantially parallel to, in particular parallel to, the pallet pivot axis. In particular, it can be provided that when the first support part is in the inspection position of the first support part and the second support part is in the inspection position of the second support part, the first support plane and the second support plane are respectively substantially perpendicular to, in particular perpendicular to, the pallet pivot axis.

[0042] The present invention also relates to a medical imaging system having a computed tomography device according to the present invention and a bed for supporting a person, wherein the bed can be arranged in an examination position of the bed relative to a frame, wherein when the bed is in the examination position of the bed and the pallet is in the examination position of the pallet, the pallet bridge-like spans a gap between the frame and the bed extending essentially parallel to the pivot axis of the pallet.

[0043] The gap can extend in particular between the frame and the bed substantially perpendicularly to the system axis. In particular, it can be provided that when the bed is in the examination position of the bed relative to the frame, the pallet is in the examination position of the pallet relative to the frame, the shoulder area of ​​the person's body is placed on the pallet and the person's head is introduced into the opening along the system axis of the frame, the pelvic area of ​​the person is placed on the bed and / or the leg area of ​​the person is placed on the bed. The bed can in particular be a mobile intensive care bed, an examination bed of a mobile stroke unit or a pediatric bed.

[0044] In children's beds, it is usually not possible to secure the tray by placing its side edges on the children's bed to prevent it from falling from the examination position of the tray. In particular, when using beds on which the side edges of the tray cannot be placed, it is advantageous to secure the tray by means of a support to prevent it from falling from the examination position, in particular to secure the tray independently of the bed.

[0045] One embodiment proposes that the frame has a first frame part and a second frame part, wherein the first frame part has a rotatably supported rotor, which has a projection data acquisition system, wherein the second frame part has at least one section of an opening, wherein the pallet is connected to the second frame part by means of a pallet pivot device and is pivotably supported relative to the second frame part about a pallet pivot axis.

[0046] Furthermore, it can be provided that the first frame part is movably mounted relative to the second frame part, so that a translational movement of the first frame part relative to the second frame part can be carried out, while the second frame part is stationary relative to the person's head, and when the person's head is in the opening, the body support device is stationary relative to the person's head and relative to at least a section of the opening.

[0047] In particular, it can be provided that the first frame part has a rotary bearing and a support structure, and that the rotor is connected to the support structure by means of the rotary bearing and is mounted rotatably relative to the support structure about a system axis.

[0048] Each pivoting movement of the described pivoting movement of the pallet around the pallet pivot axis can be performed, for example, in the following manner, that is, manually pivoting the pallet around the pallet pivot axis respectively, especially manually pivoting the pallet around the pallet pivot axis by medical personnel, especially manually folding the pallet upward or folding downward. In addition, it can be proposed that the body support device also has a pallet pivot drive for driving the first pivoting movement of the pallet and / or for driving the second pivoting movement of the pallet. The pallet pivot drive can be provided, for example, for applying torque to the pallet relative to the pallet pivot axis. Each pivoting movement of the described pivoting movement of the pallet around the pallet pivot axis can, for example, include the beginning of the pivoting movement of the pallet and the main part of the pivoting movement of the pallet, which can be different in the rotation direction around the pallet pivot axis. By the beginning of the pivoting movement of the pallet, for example, the locking of the pallet can be released, especially the locking of the form fit of the pallet. Due to the main part of the pivoting movement of the pallet, for example, the terminal position of the pivoting movement of the pallet can be reached.

[0049] Each of the described pivoting movements of the support portion around the support portion pivot axis can be performed, for example, in the following manner, that is, the support portion is manually pivoted around the support portion pivot axis, in particular, the medical staff manually pivots it around the support portion pivot axis. In addition, it can be proposed that the body support device also has a support portion pivot drive device for driving the first pivoting movement of the support portion and / or for driving the second pivoting movement of the support portion. The support portion pivot drive device can be provided, for example, for applying a torque to the support portion relative to the support portion pivot axis. Each of the described pivoting movements of the support portion around the support portion pivot axis can, for example, include a starting part of the pivoting movement of the support portion and a main part of the pivoting movement of the support portion, which can be different in particular in the direction of rotation around the support portion pivot axis. By the starting part of the pivoting movement of the support portion, for example, the locking of the support portion, in particular the shape-fitting locking of the support portion, can be released. Due to the main part of the pivoting movement of the support portion, for example, the end position of the pivoting movement of the support portion can be reached.

[0050] In particular, it can be provided that a preparatory pivoting movement of the pallet about the pallet pivot axis is carried out when the bed is sufficiently far from the frame so that the bed does not hinder the preparatory pivoting movement of the pallet about the pallet pivot axis. It can also be provided that a first translational movement of the bed relative to the frame along the system axis is carried out in order to move the bed relative to the frame into an examination position of the bed while the pallet is in its preparatory position relative to the frame. It can also be provided that a first pivoting movement of the pallet about the pallet pivot axis is carried out while the bed is in its examination position relative to the frame, in particular such that the first pivoting movement of the pallet about the pallet pivot axis is limited by the bedside edge of the pallet hitting the support portion.

[0051] Furthermore, it can be provided that a further pivoting movement of the pallet about the pallet pivot axis is carried out when the bed is in the examination position of the bed relative to the frame. Furthermore, it can be provided that a second translational movement of the bed relative to the frame along the system axis is carried out in order to move the bed away from the frame while the pallet is in the standby position of the pallet relative to the frame. In particular, it can be provided that a third pivoting movement of the pallet about the pallet pivot axis is carried out when the bed is sufficiently far from the frame so that the bed does not hinder the third pivoting movement of the pallet about the pallet pivot axis.

[0052] The solution according to the invention allows for a stable and reliable divided patient support, wherein patient-specific anatomical features and / or features of the bed, in particular with regard to bed height, can be better taken into account than with conventional solutions. In addition, in order to adjust the examination position of the bed relative to the frame, the support plate can be folded upward about the support plate pivot axis and folded downward after the adjustment. This is less labor-intensive for medical personnel than completely separating the support plate from the frame and connecting it to the frame again after the adjustment.

[0053] Within the scope of the present invention, features described with reference to different embodiments of the present invention and / or different claim categories (method, use, device, system, arrangement, etc.) can be combined into further embodiments of the present invention. For example, a claim relating to a device can also be expanded with features described or claimed in conjunction with a method, and vice versa. Here, the functional features of the method can be implemented by concrete components of the corresponding construction. The use of the indefinite article "a" or "an" does not exclude that the features involved can also exist in multiples. BRIEF DESCRIPTION OF THE DRAWINGS

[0054] The invention is explained below using exemplary embodiments with reference to the drawings. The illustrations in the drawings are schematic, highly simplified and not necessarily true to scale.

[0055] Figure 1 A computed tomography system with a gantry and a body support is shown. Figures 2 to 6 The body support device is shown for different positions of the tray of the body support device relative to the frame. DETAILED DESCRIPTION

[0056] Figure 1A computer tomography device 1 is shown, which has a gantry 20 with an opening 9 and a body support device 75 for supporting a human body relative to the opening. The body support device 75 has a pallet 7 and is arranged relative to the opening 9 so that when the pallet 7 is in the examination position of the pallet 7 relative to the gantry 20 and the head of the person is introduced into the opening 9 along the system axis SA of the gantry 20, the shoulder area of ​​the human body is placed on the pallet 7. The computer tomography device 1 is a mobile head computer tomography device. The computer tomography device 1 has a head shell 19 for the head of the person. The gantry 20 has a cover V for isolating the inner area of ​​the gantry from the environment. The computer tomography device 1 has a user interface 38 with a touch-sensitive screen.

[0057] The frame 20 has a first frame part 21 and a second frame part 22, wherein the first frame part 21 has a rotatably mounted rotor 24 which has a projection data acquisition system 27, wherein the second frame part 22 has at least one section of the opening 9, wherein the support plate 7 is connected to the second frame part 22 by means of a support plate pivot device 70 and is pivotably mounted relative to the second frame part 22 about a support plate pivot axis 7A. The first frame part 21 is movably mounted relative to the second frame part 22, so that a translational movement of the first frame part 21 relative to the second frame part 22 can be performed, while the second frame part 22 is stationary relative to the person's head, and when the person's head is in the opening 9, the body support device 75 is stationary relative to the person's head and relative to at least one section of the opening 9. The first frame part 21 has a swivel bearing 25 and a supporting structure 26, wherein the rotor 24 is connected to the supporting structure 26 by means of the swivel bearing 25 and is rotatably mounted relative to the supporting structure 26 about a system axis SA. The system axis SA is horizontal.

[0058] Figures 2 to 5 The body support device 75 is shown for different positions of the tray 7 of the body support device 75 relative to the frame 20 .

[0059] The body support device 75 comprises a pallet 7, a support portion 5, a pallet pivoting device 70 and a support portion pivoting device 50, wherein the support portion 5 is pivotably supported relative to the frame 20 about a support portion pivot axis 5A by means of the support portion pivoting device 50, so that when the pallet 7 is in the preparation position of the pallet 7, the support portion 5 can be moved relative to the frame 20 from the transport position of the support portion 5 to the inspection position of the support portion 5 by a first pivoting movement of the support portion 5 about the support portion pivot axis 5A, wherein the pallet 7 is pivotably supported relative to the frame 20 about a support portion pivot axis 5A. The pallet pivot device 70 is pivotally supported relative to the frame 20 around the pallet pivot axis 7A, so that when the support portion 5 is in the inspection position of the support portion 5, the pallet 7 can be lowered from the preparation position of the pallet 7 to the inspection position of the pallet 7 relative to the frame 20 through a first pivotal movement of the pallet 7 around the pallet pivot axis 7A, wherein when the pallet 7 is in the inspection position of the pallet 7 and the support portion 5 is in the inspection position of the support portion 5, the support portion 5 reacts to the lowering of the pallet 7 in a shape-fitting manner.

[0060] The pallet 7 is pivotably supported relative to the frame 20 about the pallet pivot axis 7A by means of the pallet pivot device 70, so that when the support portion 5 is in the transport position of the support portion 5, the pallet 7 can be lowered relative to the frame 20 from the inspection position of the pallet 7 to the transport position of the pallet 7 by a second pivoting movement of the pallet 7 about the pallet pivot axis 7A. The body support device 75 has a locking system, wherein the locking system is configured to lock the support portion 5 relative to the frame 20 in the inspection position of the support portion 5 and to lock the support portion 5 relative to the frame 20 in the transport position of the support portion 5.

[0061] The example shown proposes that the pallet 7 has a first connecting element E1, wherein the support part 5 has a second connecting element E2, wherein the first connecting element and the second connecting element together form a connecting part, and when the pallet 7 is in the inspection position of the pallet 7 and the support part 5 is in the inspection position of the support part 5, the connecting part reacts in a shape-fitting manner to the deviation of the support part 5 outward from the inspection position around the support part pivot axis 5A.

[0062] The example shown provides that the first connecting element E1 is a rib, wherein the second connecting element E2 is a recess for positively accommodating a section of the rib, wherein by a first pivoting movement of the pallet 7 about the pallet pivot axis 7A, the pallet 7 can be lowered relative to the frame 20 from the preparation position of the pallet 7 to the inspection position of the pallet 7, so that when the support 5 is in the inspection position of the support 5, the positively accommodating of the section of the rib in the recess is achieved when the inspection position of the pallet 7 is reached. The example shown provides that the rib extends substantially perpendicularly to the pallet pivot axis 7A. The example shown provides that the support pivot axis 5A is substantially vertical and the pallet pivot axis 7A is substantially horizontal.

[0063] The example shown provides that the body support device 75 also has a holding device 72,

[0064] wherein the pallet pivot device 70 is connected to the frame 20 by means of a holding device 72, wherein the pallet 7 is connected to the holding device 72 by means of the pallet pivot device 70 and is pivotably supported relative to the holding device 72 about a pallet pivot axis 7A,

[0065] wherein the support pivot device 50 is connected to the frame 20 by means of a holding device 72, wherein the support 5 is connected to the holding device 72 by means of the support pivot device 50 and is pivotably supported relative to the holding device 72 about a support pivot axis 5A,

[0066] - wherein the support 5 has an oblique strut 53 extending from the support pivoting device 50 to the second connecting element E2,

[0067] wherein the diagonal struts 53 are arranged obliquely and substantially vertically relative to the pallet pivot axis 7A when the support 5 is in the testing position of the support 5 .

[0068] The example shown proposes that the support part 5 extends flat in a support plane, wherein the support plane is substantially parallel to the pallet pivot axis 7A when the support part 5 is in the transport position of the support part 5. The example shown proposes that the support part pivot device 50 has a hinge for pivotably supporting the support part 5 relative to the frame 20, wherein the hinge has a fixing mechanism so that the hinge can be fixed in each hinge position. The first support part pivot device 510 is a hinge that can be manually fixed by means of a clamping rod H1 integrated in the hinge. The second support part pivot device 520 is a hinge that can be manually fixed by means of a clamping rod H2 integrated in the hinge. The example shown proposes that the support part 5 is a first support part 51, the support part pivot device 50 is a first support part pivot device 510, and the support part pivot axis 5A is a first support part pivot axis 51A,

[0069] - wherein the body support device 75 has a second support portion 52 and a second support portion pivot device 520,

[0070] - wherein the second support portion 52 is pivotably supported relative to the frame 20 about the second support portion pivot axis 52A by means of the second support portion pivot device 520, so that when the pallet 7 is in the preparation position of the pallet 7, the second support portion 52 can be moved relative to the frame 20 from the transport position of the second support portion 52 to the inspection position of the second support portion 52 by a first pivoting movement of the second support portion 52 about the second support portion pivot axis 52A,

[0071] - wherein the first support portion pivot axis 51A and the second support portion pivot axis 52A are spaced apart from each other along the tray pivot axis 7A and are substantially parallel to each other.

[0072] The example shown proposes that the pallet 7 is pivotably supported relative to the frame 20 about the pallet pivot axis 7A by means of a pallet pivot device 70, so that when the first support portion 51 is in the inspection position of the first support portion 51 and the second support portion 52 is in the inspection position of the second support portion 52, through the first pivotal movement of the pallet 7 about the pallet pivot axis 7A, the pallet 7 can be lowered from the preparation position of the pallet 7 to the inspection position of the pallet 7 relative to the frame 20, wherein when the pallet 7 is in the inspection position of the pallet 7, the first support portion 51 is in the inspection position of the first support portion 51, and the second support portion 52 is in the inspection position of the second support portion 52, the first support portion 51 and the second support portion 52 jointly fix the pallet 7 in a shape-fitting manner to prevent it from falling.

[0073] The pallet pivot axis 7A is horizontal and perpendicular to the system axis SA. The pallet 7 extends flat in a pallet plane, wherein the pallet plane is substantially parallel to the pallet pivot axis 7A. Figure 2 in the location or according to Figure 3 and / or Figure 6 In the position of the support plate, the support plate plane is then in particular substantially perpendicular to the system axis SA. In particular, when the support plate 7 is in the position according to Figure 4 in the location or according to Figure 5 When the first pivoting movement of the support plate 7 around the support plate pivot axis 7A causes the support plate 7 to move from the first pivoting movement of the support plate 7 to the first pivoting movement of the support plate 7. Figure 3 The position moves to the Figure 4 , a first pivoting movement of the pallet 7 about the pallet pivot axis 7A then causes, in particular, a lowering of the pallet 7 .

[0074] According to an embodiment, Figure 2 The position of the pallet 7 shown in is the transport position of the pallet 7. Figure 3 and / or Figure 6 The position of the pallet 7 shown in FIG. 1 is the preparation position of the pallet 7, and Figure 4 The position of the pallet 7 shown in the drawing is the inspection position of the pallet 7. In principle, it is also possible to carry out a transport movement of the rack 20 while the pallet 7 is in the same space-saving position of the pallet 7, which is located in the Figure 3 Shown in.

[0075] exist Figure 4 In the operating state of the body support device 75 shown in FIG, the support plate 7 cannot be accidentally pivoted downwards, that is to say, the support plate 7 cannot fall. However, it is possible for the support plate 7 to pivot upwards, that is to say, for the support plate 7 to rise.

[0076] The body support device 75 has a lever mechanism T, which is arranged to fix the pallet 7 in a positively locking manner to prevent it from falling when the pallet 7 is in the standby position of the pallet 7. The lever mechanism T has a first lever arm T1 and a second lever arm T2, and the lever mechanism is pivotably supported about a lever axis parallel to the pallet pivot axis 7A. The first lever arm T1 and the second lever arm T2 are rigidly connected to each other in the region of the lever axis.

[0077] exist Figure 6 In the operating state of the body support device 75 shown in , the lever mechanism T fixes the pallet 7 in a form-fitting manner to prevent it from falling, which is achieved by: the first lever arm T1 locks the following stroke for the edge area 7T of the pallet 7, which is required for the first pivoting movement of the pallet 7 around the pallet pivot axis 7A. By manually pressing the second lever arm T2 away from the pallet 7, the first lever arm T1 is lowered relative to the edge area 7T of the pallet 7. In this way, the following stroke can be released, which is required for the first pivoting movement of the pallet 7 around the pallet pivot axis 7A, so that the pallet 7 can be lowered from the preparation position of the pallet 7 to the inspection position of the pallet 7 relative to the frame 20 through the first pivoting movement of the pallet 7 around the pallet pivot axis 7A.

[0078] In particular, it can be provided that during the preparatory pivoting movement of the pallet 7 about the pallet pivot axis 7A and / or during the further pivoting movement of the pallet 7 about the pallet pivot axis 7A, the edge region 7T of the pallet 7 is pressed away from the first lever arm T1, for example downwards, and thus opens up the following stroke, which is required for the preparatory pivoting movement of the pallet 7 about the pallet pivot axis 7A and / or for the further pivoting movement of the pallet 7 about the pallet pivot axis 7A. In particular, it can be provided that the lever mechanism T is pivoted back once the pallet 7 reaches the preparatory position of the pallet 7. Figure 6 The idle position shown in FIG is pivoted, for example, in a manner driven by a torsion spring of the lever mechanism T. The torsion spring of the lever mechanism T can in particular be arranged coaxially with the lever axis.

[0079] In particular, the lever mechanism T can be designed to be substantially symmetrical with respect to a vertical plane including the system axis SA. For example, the lever mechanism T can have a third lever arm arranged symmetrically with respect to the first lever arm T1 and a fourth lever arm arranged symmetrically with respect to the second lever arm T2. In particular, it can be provided that the holding device 72 is located between the first lever arm T1 and the third lever arm and / or between the second lever arm T2 and the fourth lever arm with respect to the lever axis.

Claims

1. A computer tomography device (1) comprising a gantry (20) with an opening (9) and a body support device (75) for supporting a human body relative to the opening (9), The body support device (75) comprises a support plate (7), a support portion (5), a support plate pivot device (70) and a support portion pivot device (50), The support portion (5) is pivotably supported relative to the frame (20) about a support portion pivot axis (5A) by means of the support portion pivot device (50), so that when the pallet (7) is in the preparation position of the pallet (7), the support portion (5) can be moved relative to the frame (20) from a transport position of the support portion (5) to an inspection position of the support portion (5) through a first pivotal movement of the support portion (5) about the support portion pivot axis (5A), The pallet (7) is pivotally supported relative to the frame (20) about a pallet pivot axis (7A) by means of the pallet pivot device (70), so that when the support portion (5) is in the inspection position of the support portion (5), the pallet (7) can be lowered relative to the frame (20) from the preparation position of the pallet (7) to the inspection position of the pallet (7) through a first pivoting movement of the pallet (7) about the pallet pivot axis (7A), When the support plate (7) is in the inspection position of the support plate (7) and the support part (5) is in the inspection position of the support part (5), the support part (5) reacts to the lowering of the support plate (7) in a form-fitting manner.

2. The computer tomography device (1) according to claim 1, The pallet (7) is pivotally supported relative to the frame (20) around the pallet pivot axis (7A) by means of the pallet pivot device (70), so that when the support portion (5) is in the transport position of the support portion (5), the pallet (7) can be lowered from the inspection position of the pallet (7) to the transport position of the pallet (7) relative to the frame (20) through a second pivotal movement of the pallet (7) around the pallet pivot axis (7A).

3. The computer tomography device (1) according to claim 1 or 2, The body support device (75) also has a locking system. The locking system is configured to lock the support (5) relative to the frame (20) in an inspection position of the support (5) and / or to lock the support (5) relative to the frame (20) in a transport position of the support (5).

4. The computer tomography device (1) according to any one of claims 1 to 3, The support plate (7) has a first connecting element (E1), The support part (5) has a second connecting element (E2), The first connecting element and the second connecting element together form a connecting portion, and when the pallet (7) is in the inspection position of the pallet (7) and the support portion (5) is in the inspection position of the support portion (5), the connecting portion reacts in a shape-fitting manner to the deviation of the support portion (5) outward from the inspection position around the support portion pivot axis (5A).

5. The computer tomography device (1) according to claim 4, wherein the first connecting element (E1) is a rib, in, The second connecting element (E2) is a recess for positively accommodating a section of the rib, The pallet (7) can be lowered from a preparation position of the pallet (7) to an inspection position of the pallet (7) relative to the frame (20) by a first pivoting movement of the pallet (7) around the pallet pivot axis (7A), so that when the support portion (5) is in the inspection position of the support portion (5), the section of the rib is accommodated in the recess in a shape-fitting manner when the inspection position of the pallet (7) is reached.

6. The computer tomography device (1) according to claim 5, The ribs extend substantially perpendicularly to the tray pivot axis (7A).

7. The computer tomography device (1) according to any one of claims 1 to 6, wherein the support portion pivot axis (5A) is substantially vertical, and wherein the tray pivot axis (7A) is substantially horizontal.

8. The computer tomography device (1) according to any one of claims 1 to 7, The body support device (75) further comprises a holding device (72), wherein the pallet pivot device (70) is connected to the frame (20) by means of the retaining device (72), wherein the pallet (7) is connected to the retaining device (72) by means of the pallet pivot device (70) and is pivotably supported relative to the retaining device (72) about the pallet pivot axis (7A), wherein the support portion pivot device (50) is connected to the frame (20) by means of the holding device (72), wherein the support portion (5) is connected to the holding device (72) by means of the support portion pivot device (50) and is pivotably supported relative to the holding device (72) around the support portion pivot axis (5A), The support portion (5) has an oblique support (53), which extends from the support portion pivot device (50) to the second connecting element (E2), When the support portion (5) is in the inspection position of the support portion (5), the oblique support column (53) is arranged obliquely and substantially vertically relative to the support plate pivot axis (7A).

9. The computer tomography device (1) according to any one of claims 1 to 8, wherein the support portion (5) extends flat in a support plane, Wherein, when the support portion (5) is in the transport position of the support portion (5), the support plane is substantially parallel to the pallet pivot axis (7A).

10. The computer tomography device (1) according to any one of claims 1 to 9, The support portion pivoting device (50) has a hinge for pivotally supporting the support portion (5) relative to the frame (20).

11. The computer tomography device (1) according to claim 10, Wherein the hinge is a torque hinge.

12. The computer tomography device (1) according to claim 10 or 11, The hinge has a fixing mechanism, so that the hinge can be fixed in each hinge point.

13. The computer tomography device (1) according to any one of claims 10 to 12, The hinge has a latching mechanism, so that the hinge can be latched in each of a plurality of latching locations of the hinge.

14. The computer tomography device (1) according to any one of claims 1 to 13, wherein the support portion (5) is a first support portion (51), the support portion pivot device (50) is a first support portion pivot device (510), and the support portion pivot axis (5A) is a first support portion pivot axis (51A), The body support device (75) has a second support portion (52) and a second support portion pivot device (520), The second support portion (52) is pivotally supported relative to the frame (20) around a second support portion pivot axis (52A) by means of the second support portion pivot device (520), so that when the pallet (7) is in the preparation position of the pallet (7), the second support portion (52) can be moved relative to the frame (20) from a transport position of the second support portion (52) to an inspection position of the second support portion (52) through a first pivotal movement of the second support portion (52) around the second support portion pivot axis (52A), wherein the first support portion pivot axis (51A) and the second support portion pivot axis (52A) are spaced apart from each other along the support plate pivot axis (7A) and are substantially parallel to each other, The pallet (7) is pivotally supported relative to the frame (20) about a pallet pivot axis (7A) by means of the pallet pivot device (70), so that when the first support portion (51) is in the inspection position of the first support portion (51) and the second support portion (52) is in the inspection position of the second support portion (52), the pallet (7) can be lowered from the preparation position of the pallet (7) to the inspection position of the pallet (7) relative to the frame (20) through a first pivoting movement of the pallet (7) about the pallet pivot axis (7A), When the pallet (7) is in the inspection position of the pallet (7), the first support portion (51) is in the inspection position of the first support portion (51), and the second support portion (52) is in the inspection position of the second support portion (52), the first support portion (51) and the second support portion (52) jointly fix the pallet (7) in a shape-fitting manner to prevent it from falling.

15. A medical imaging system comprising a computed tomography device (1) according to any one of claims 1 to 14 and a bed for supporting a person, The bed can be arranged in an examination position relative to the frame (20), When the bed is in the examination position of the bed and the pallet (7) is in the examination position of the pallet (7), the pallet (7) bridges across a gap between the frame (20) and the bed extending substantially parallel to the pallet pivot axis.

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