Gantry part for gantry of medical imaging device, gantry for medical imaging device, and computed tomography device

Abstract

The utility model relates to a rack component for a rack of medical imaging equipment, the rack for the medical imaging equipment and computed tomography equipment. The frame part (B) has a cover part (V), a carrier plate (T), a buffer region (P) and a receiving plate (L), the carrier plate (T) is arranged between the cover part (V) and the buffer region (P), the buffer region (P) is arranged between the carrier plate (T) and the receiving plate (L), and the cover part (V) is connected to the receiving plate (L) by means of the carrier plate (T) and the buffer region (P) such that the cover part (V) is connected to the receiving plate (L) by means of the carrier plate (T) and the buffer region (P). In this way, a pressure acting on the covering part (V) causes an elastic deformation of the buffer region (P).

Description

TECHNICAL FIELD

[0001] The utility model relates to a gantry component for a gantry of a medical imaging device. The utility model also relates to a gantry for a medical imaging device and a computed tomography apparatus. BACKGROUND

[0002] There is a possibility of a collision of the gantry with an obstacle, especially in mobile computed tomography apparatuses. The collision can occur unintentionally, especially due to an accident, or intentionally, especially due to a pivoting open of a door. Such a collision should be able to be absorbed by the gantry without damage up to a certain extent. In particular, the gantry should be able to move several times, for example three times, against a door frame with a slow movement speed, for example 0.8 meters per second, without the cladding of the gantry being so damaged that, for example, due to sharp edges of the damage, an unacceptable risk is constituted or immediate maintenance of the gantry is required. SUMMARY

[0003] It is the task of the utility model to provide a gantry component for a gantry of a medical imaging device, which is improved in terms of reducing collision damage on the gantry and / or reducing the effort of maintenance in the event of collision damage of the gantry. Each of the contents of the utility model solves this task. Further advantageous aspects of the utility model are taken into account in the preferred embodiments.

[0004] The utility model relates to a gantry component for a gantry of a medical imaging device,

[0005] - wherein the gantry component comprises a cladding, a carrier plate, a buffer region and a receiving plate,

[0006] - wherein the carrier plate is arranged between the cladding and the buffer region, wherein the buffer region is arranged between the carrier plate and the receiving plate,

[0007] - wherein the cladding is connected to the receiving plate by means of the carrier plate and the buffer region, such that a pressure acting on the cladding causes an elastic deformation of the buffer region.

[0008] One embodiment provides that the central region of the carrier plate extends planarly in a carrier plate central plane, wherein the elastic deformation of the buffer region comprises a compression of the buffer region when a pressure acts on a side of the cladding facing away from the carrier plate substantially perpendicular to the carrier plate central plane. One embodiment provides that the carrier plate central plane is vertical.

[0009] One embodiment provides that the buffer region comprises a set of cylindrical buffer elements, wherein for each cylindrical buffer element of the set of cylindrical buffer elements, a cylindrical axis of the cylindrical buffer element is substantially perpendicular to the carrier plate central plane. One embodiment provides that the buffer-side region of the receiving plate extends planarly parallel to, in particular vertically to, the carrier plate central plane.

[0010] The cylindrical damping elements can be rubber-metal dampers, for example. It can be provided in particular that each of the cylindrical damping elements of the set of cylindrical damping elements has a receiving-side thread which is wound around the cylindrical axis of the cylindrical damping element and / or is fixed on the damping-side region of the receiving plate, in particular is screwed with the receiving-side thread to the damping-side region of the receiving plate. The receiving-side thread can be a receiving-side internal thread or a receiving-side external thread, for example.

[0011] It can be provided in particular that each of the cylindrical damping elements of the set of cylindrical damping elements bears with a receiving-side bottom surface against the damping-side region of the receiving plate and / or bears with a load-side bottom surface against the load plate, for example against a central region of the load plate. It can be provided in particular that a load-side form-locking element is formed on the load plate for each of the cylindrical damping elements of the set of cylindrical damping elements and / or a receiving-side form-locking element is formed on the damping-side region of the receiving plate for form-locking connection with the cylindrical damping element. The form-locking element can be a circular recess into which the cylindrical damping element projects, in particular along the cylindrical axis, and / or a pin, in particular a cylindrical pin, which projects into a corresponding opening of the damping element, in particular along the cylindrical axis.

[0012] It can be provided in particular that each of the cylindrical damping elements of the set of cylindrical damping elements has a load-side thread which is wound around the cylindrical axis of the cylindrical damping element and / or is fixed on the load plate, in particular is screwed with the load-side thread to the load plate. The load-side thread can be a load-side internal thread or a load-side external thread, for example. It can be provided in particular that each of the cylindrical damping elements of the set of cylindrical damping elements is screwed to the damping-side region of the receiving plate or is screwed to the load plate on one side or to the damping-side region of the receiving plate.

[0013] One embodiment provides that the load-structure-side region of the receiving plate extends in the form of a receiving plate angle relative to the damping-side region of the receiving plate, wherein the pressure acting on the cladding causes a plastic bending of the receiving plate in the form of a change in the receiving plate angle if the pressure exceeds a limit value. The damping region can be provided in particular for transmitting a residual force which exceeds the elastic deformation of the damping region to the receiving plate for plastic bending of the receiving plate, in particular in order to compensate for a residual impact force. One embodiment provides that the load-structure-side region of the receiving plate extends horizontally.

[0014] One embodiment provides that the cover has a first side region, a second side region and a vertex region, wherein the vertex region is arranged arcuately between the first side region and the second side region, wherein the carrier plate is arranged between the vertex region and the cushioning region, wherein the cover is connected to the receiving plate by means of the carrier plate and the cushioning region in such a way that a pressure acting on the vertex region causes an elastic deformation of the cushioning region, in particular a compression of the cushioning region.

[0015] It can be provided in particular that the carrier plate is arranged chordally with respect to the vertex region between the first side region and the second side region. It can be provided in particular that the cover is substantially U-shaped and / or extends in a curved decorative face, which is for example substantially vertical. The cover can be made for example of plastic.

[0016] One embodiment provides that the frame part has a shaped body, wherein the shaped body is arranged between the vertex region and the carrier plate in such a way that the shaped body fills a gap between the vertex region and the carrier plate, in particular a gap between the vertex region and a central region of the carrier plate. It can be provided in particular that the shaped body can be made of a foam material and / or that the shaped body is clamped between the vertex region and the carrier plate, in particular between the vertex region and a central region of the carrier plate. The shaped body can be provided for example to face the force acting on the cover pointwise in a force area into the carrier plate. Thus, the risk of a breakage of the cover can be reduced.

[0017] One embodiment provides that the frame part also has a first corner cushion, wherein the first corner cushion is arranged between the cover and a first wing region of the carrier plate in such a way that a pressure acting on a first corner region of the cover causes an elastic compression of the first corner cushion, wherein the vertex region transitions into the first side region in the first corner region of the cover. One embodiment provides that the frame part also has a second corner cushion, wherein the second corner cushion is arranged between the cover and a second wing region of the carrier plate in such a way that a pressure acting on a second corner region of the cover causes an elastic compression of the second corner cushion, wherein the vertex region transitions into the second side region in the second corner region of the cover.

[0018] Thus, for example, an oblique impact can be intercepted. The first corner bumper can be, for example, a first rubber-metal bumper and / or be fixed, in particular screwed, on the first wing region of the carrier plate. The second corner bumper can be, for example, a second rubber-metal bumper and / or be fixed, in particular screwed, on the second wing region of the carrier plate. In particular, it can be provided that the first wing region of the carrier plate extends planarly in a first wing region plane and / or that the absolute value of the angle between the carrier plate center plane and the first wing region plane is approximately 45 degrees, in particular is equal to 45 degrees. In particular, it can be provided that the second wing region of the carrier plate extends planarly in a second wing region plane and / or that the absolute value of the angle between the carrier plate center plane and the second wing region plane is approximately 45 degrees, in particular is equal to 45 degrees. The plate can be, in particular, metallic, in particular made of steel and / or aluminum.

[0019] One embodiment provides that the gantry component has a rubber lip, wherein the cladding is arranged between the rubber lip and the carrier plate. The rubber lip can be mounted, for example, on the outside of the cladding and / or be provided for distributing forces acting pointwise on the rubber lip planarly onto the cladding. The rubber lip can be used, for example, to protect the paint of the cladding, for example, against scratches, chipping and / or other paint damage caused by impacts. The rubber lip enables, in particular, that paint damage is not to be expected when small impacts occur, for example, for door pivoting open.

[0020] The rubber lip can be provided, for example, for holding the cladding together after a fatal impact and / or a breakage damage. After a fatal impact, for example, the broken cladding can be held together by the rubber lip and the shaped body, so that a risk-free operation can be continued, for example, until the cladding can be replaced.

[0021] The utility model also relates to a gantry for a medical imaging device, wherein the gantry has a gantry component according to the utility model and a carrier structure, wherein the receiving plate of the gantry component, in particular the carrier structure side region of the receiving plate, is fixed on the carrier structure. In particular, it can be provided that the cladding is movably supported relative to the carrier structure, so that the cladding can be moved relative to the carrier structure, which movement is accompanied by an elastic deformation of the bumper region and / or a plastic bending of the receiving plate.

[0022] One embodiment provides that the gantry further has a movement mechanism, wherein the carrier structure is movably supported, in particular horizontally movably supported, relative to the ground by means of the movement mechanism. In particular, it can be provided that the movement mechanism is wheel-based and / or rail-based and / or that the ground is essentially horizontal.

[0023] The utility model also relates to a computed tomography device having a gantry component according to the utility model and / or a gantry according to the utility model. The computed tomography device can be, in particular, a mobile computed tomography device.

[0024] The utility model also relates to the use of the rack component according to the utility model for shock absorption when the rack according to the utility model collides with an obstacle, wherein the collision causes a pressure acting on the cladding, in particular by the cladding colliding on the obstacle. Thus, the rack component can be used as a kind of shock absorber, so that the collision force can be received or absorbed. In particular, the buffer area can be provided to receive the force acting on the cladding during collision. If fatal damage is formed on the cladding or receiving plate after collision, the cladding or receiving plate can be replaced relatively easily. Therefore, no damage is expected on the bearing structure itself.

[0025] The medical imaging device can be mobile and / or have a rack according to the utility model. The medical imaging device can be an X-ray device, a C-arm X-ray device, a computed tomography device (CT device), a molecular imaging device (MI device), a single photon emission computed tomography device (SPECT device), a positron emission computed tomography device (PET device), a magnetic resonance imaging device (MR device) or a combination thereof, in particular a PET-CT device or a PET-MR device. The medical imaging device can also have a radiation unit for therapeutic radiation, for example.

[0026] The rack of the medical imaging device usually has a bearing structure, on which components of the acquisition unit, such as a radiation source and / or a radiation detector, are arranged. The bearing structure of the rack has in particular such a high rigidity and strength that the components of the acquisition unit can be arranged on the bearing structure not only relative to each other but also relative to the examination region in a geometry sufficiently defined for medical imaging.

[0027] In a computed tomography device, the rack usually has a bearing frame and a rotor rotatably supported relative to the bearing frame, wherein the radiation source and the radiation detector are arranged on the rotor. Alternatively, the rack can have a tilting frame tiltable supported relative to the bearing frame, wherein the rotor is arranged on the tilting frame.

[0028] In a C-arm X-ray device, the rack usually has a bearing frame and a C-arm pivotably supported relative to the bearing frame, wherein the radiation source and the radiation detector are arranged on the C-arm.

[0029] In a magnetic resonance imaging device, the rack usually has a bearing frame, on which a main magnet and a first high-frequency antenna unit are arranged, wherein the first high-frequency antenna unit is configured in the form of a body coil, which is also a term known to those skilled in the art as "Body Coil".

[0030] Within the scope of the present utility model, features described in relation to different embodiments and / or different claim categories (method, use, device, system, arrangement, etc.) of the present utility model can be combined into further embodiments of the present utility model. For example, features described or claimed in connection with a device can also extend to a method, and vice versa. Functional features of a method can here be implemented by a correspondingly configured specific component. The use of the indefinite article "a" does not exclude that the relevant feature can also be present in multiple. BRIEF DESCRIPTION OF DRAWINGS

[0031] The utility model is explained below with reference to the drawings on the basis of embodiments. The diagrams in the drawings are schematic, extremely simplified and not necessarily to scale.

[0032] Figure 1 A computed tomography apparatus with a gantry component is shown. Figures 2 to 5 Different views of the gantry component are shown. DETAILED DESCRIPTION

[0033] Figure 1 A computed tomography apparatus 1 is shown, comprising a gantry 20 with an opening 9 and a gantry component B. The computed tomography apparatus 1 is a mobile head computed tomography apparatus. The computed tomography apparatus 1 has a head casing 19 for a person's head and a body support device 7 for supporting the person's body relative to the opening 9. The gantry 20 has a cladding 2V for separating an interior region of the gantry 20 from the surroundings. The computed tomography apparatus 1 has a user interface 38 with a touch screen.

[0034] The gantry 20 has a movement mechanism R, wherein the carrying structure F is movably supported, in particular horizontally movably supported, relative to the ground by means of the movement mechanism R. The gantry 20 is thus mobile.

[0035] The gantry 20 has a first gantry component 21 and a second gantry component 22, wherein the first gantry component 21 comprises a rotatably supported rotor 24 with a projection data acquisition system 27, wherein the second gantry component 22 has at least one section of the opening 9. The first gantry component 21 is movably supported relative to the second gantry component 22, such that a translational movement of the first gantry component 21 relative to the second gantry component 22 can be implemented, while at the same time, the second gantry component 22 is stationary relative to the person's head and the body support device 7 is stationary relative to the person's head and relative to the at least one section of the opening 9 when the person's head is located in the opening 9. The first gantry component 21 has a rotary bearing 25 and a carrying frame 26, wherein the rotor 24 is connected with the carrying frame 26 by means of the rotary bearing 25 and is rotatably supported relative to the carrying frame 26 about a system axis SA of the gantry 20. The system axis SA is horizontal.

[0036] Figures 2 to 5 Different views of the rack component B are shown. The rack component B has a cladding V, a carrier plate T, a cushioning region P and a receiving plate L, wherein the carrier plate T is arranged between the cladding V and the cushioning region P, wherein the cushioning region P is arranged between the carrier plate T and the receiving plate L, wherein the cladding V is connected with the receiving plate L by means of the carrier plate T and the cushioning region P such that a pressure acting on the cladding V causes an elastic deformation of the cushioning region P.

[0037] A central region TD of the carrier plate T extends planarly in a vertical carrier plate central plane, wherein the elastic deformation of the cushioning region P comprises a compression of the cushioning region P when a pressure acts on a side of the cladding V facing away from the carrier plate T substantially perpendicular to the carrier plate central plane. The cushioning region P has a set of cylindrical cushioning elements PS, wherein for each cylindrical cushioning element of the set of cylindrical cushioning elements PS a cylindrical axis of the cylindrical cushioning element is substantially perpendicular to the carrier plate central plane. A cushioning side region LP of the receiving plate L extends planarly perpendicularly to the carrier plate central plane.

[0038] The rack component B has a shaped body D, wherein the shaped body D is arranged between the apex region VD and the carrier plate T such that the shaped body D shape-locked fills a gap between the apex region VD and the carrier plate T, in particular a gap between the apex region VD and the central region TD of the carrier plate T. The rack component B has a rubber lip G, wherein the cladding V is arranged between the rubber lip G and the carrier plate T.

[0039] The rack 20 has a carrier structure F and the rack component B, wherein the receiving plate L of the rack component B, in particular the carrier structure side region LF of the receiving plate L, is fixed on the carrier structure F.

[0040] According to an example setup, the carrier structure side region LF of the receiving plate L extends planarly with a receiving plate angle relative to the cushioning side region LP of the receiving plate L, wherein the pressure acting on the cladding V causes a plastic bending of the receiving plate L in the form of a change of the receiving plate angle if the pressure exceeds a limit value. According to an example setup, the carrier structure side region LF of the receiving plate L extends planarly horizontally. The carrier plate T is screwed with the cladding V by means of a screw W.

[0041] The arrow X is for example a direction of a pressure acting on the cladding V when the cladding V hits on an obstacle, wherein the pressure acts on a side of the cladding V facing away from the carrier plate T substantially horizontally and perpendicular to the carrier plate central plane. The carrier plate central plane is parallel to the system axis SA. A direction of movement of the rack 20 relative to the ground is horizontal and perpendicular to the system axis SA. The direction of the pressure acting on the cladding V is directed opposite to the direction of movement of the rack 20.

[0042] The frame part B has a first connection unit C1 for connecting the first side region V1 with the carrier structure F and a second connection unit C2 for connecting the second side region V2 with the carrier structure F. The screws C of the first connection unit C1 are inserted through the holes in the cladding side region of the first connection plate of the carrier structure F and locked with nuts, respectively. The screws C of the second connection unit C2 are inserted through the holes in the cladding side region of the second connection plate of the carrier structure F and locked with nuts, respectively. Thus, the side end of the cladding V is caught, in particular positively secured, against a movement relative to the carrier structure F perpendicular to the longitudinal axis of the screws C.

[0043] It can be provided in particular that there is a translational degree of freedom for a movement of the cladding V relative to the carrier structure F along the longitudinal axis of the screws C, which movement is accompanied by an elastic deformation of the cushion region P and / or a plastic bending of the receiving plate L. The first and second foam parts D1, D2 can in particular counteract a creaking caused by the translational degree of freedom.

[0044] The cladding side region of the first connection plate of the carrier structure F extends vertically and parallel to the carrier plate center plane. The frame side region of the first connection plate of the carrier structure F extends vertically and perpendicular to the carrier plate center plane, so that the frame side region of the first connection plate of the carrier structure F and the cladding side region of the first connection plate of the carrier structure F jointly form an L-shaped profile of the first connection plate of the carrier structure F.

[0045] The cladding side region of the second connection plate of the carrier structure F extends vertically and parallel to the carrier plate center plane. The frame side region of the second connection plate of the carrier structure F extends vertically and perpendicular to the carrier plate center plane, so that the frame side region of the second connection plate of the carrier structure F and the cladding side region of the second connection plate of the carrier structure F jointly form an L-shaped profile of the second connection plate of the carrier structure F.

[0046] According to an example provision, the cladding V has a first side region V1, a second side region V2 and an apex region VD, wherein the apex region VD is arranged arcuately between the first side region V1 and the second side region V2, wherein the carrier plate T is arranged between the apex region VD and the cushion region P, wherein the cladding V is connected with the receiving plate L by means of the carrier plate T and the cushion region P, so that a pressure acting on the apex region VD causes an elastic deformation of the cushion region P, in particular a compression of the cushion region P.

[0047] According to an example provision, the central region TD of the carrier plate T is arranged chordally between the first side region V1 and the second side region V2 relative to the apex region VD. It can be provided in particular that the cladding V is substantially U-shaped and / or extends in a curved decorative face which can be substantially perpendicular, for example.

[0048] According to an example arrangement, the rack component B has a first corner bumper E1 and a second corner bumper E2, wherein the first corner bumper E1 is arranged between the cladding V and the first wing region T1 of the carrier plate T such that a pressure acting on a first corner region of the cladding V, in which the vertex region VD transitions into the first side region V1, causes an elastic compression of the first corner bumper E1, wherein the second corner bumper E2 is arranged between the cladding V and the second wing region T2 of the carrier plate T such that a pressure acting on a second corner region of the cladding V, in which the vertex region VD transitions into the second side region V2, causes an elastic compression of the second corner bumper E2.

Claims

1. Rack component (B) for a rack (20) of a medical imaging device, characterized in that - the rack component (B) comprises a cladding (V), a carrier plate (T), a cushioning region (P) and a receiving plate (L), - the carrier plate (T) is arranged between the cladding (V) and the cushioning region (P), wherein the cushioning region (P) is arranged between the carrier plate (T) and the receiving plate (L), - the cladding (V) is connected with the receiving plate (L) by means of the carrier plate (T) and the cushioning region (P) such that a pressure acting onto the cladding (V) causes an elastic deformation of the cushioning region (P).

2. Rack component (B) according to claim 1, characterized in that - a central region (TD) of the carrier plate (T) extends centrally in a carrier plate central plane, - the elastic deformation of the cushioning region (P) comprises a compression of the cushioning region (P) when a pressure acts onto a side of the cladding (V) facing away from the carrier plate (T) perpendicular to the carrier plate central plane.

3. Rack component (B) according to claim 2, characterized in that - the carrier plate central plane is vertical.

4. Rack component (B) according to claim 2 or 3, characterized in that - the cushioning region (P) has a set of columnar cushioning elements (PS), - for each columnar cushioning element of the set of columnar cushioning elements (PS), a column axis of the columnar cushioning element is perpendicular to the carrier plate central plane.

5. Rack component (B) according to claim 2 or 3, characterized in that - a cushioning side region (LP) of the receiving plate (L) extends centrally parallel to the carrier plate central plane.

6. Rack component (B) according to claim 2 or 3, characterized in that - a cushioning side region (LP) of the receiving plate (L) extends centrally perpendicular to the carrier plate central plane.

7. Rack component (B) according to claim 5, characterized in that - a load structure side region (LF) of the receiving plate (L) extends centrally with a receiving plate angle relative to the cushioning side region (LP) of the receiving plate (L), - the pressure acting onto the cladding (V) causes a plastic bending of the receiving plate (L) in form of a change of the receiving plate angle if the pressure exceeds a limit value.

8. Rack component (B) according to claim 7, characterized in that - the load structure side region (LF) of the receiving plate (L) extends centrally horizontally.

9. Rack component (B) according to any one of claims 1 to 3, characterized in that - the cladding (V) has a first side region (V1), a second side region (V2) and an apex region (VD), - the apex region (VD) is arranged arcuately between the first side region (V1) and the second side region (V2), - the carrier plate (T) is arranged between the apex region (VD) and the cushioning region (P). - the cover (V) is connected with the receiving plate (L) by means of the carrier plate (T) and the buffer region (P) in such a way that a pressure acting on the vertex region (VD) causes an elastic deformation of the buffer region (P).

10. The rack component (B) according to claim 9, characterized in that The elastic deformation of the buffer region (P) is a compression of the buffer region (P).

11. The gantry component (B) according to claim 9, characterized in that - the gantry component (B) has a shaped body (D), - the shaped body (D) is arranged between the vertex region (VD) and the carrier plate (T) in such a way that the shaped body (D) form-fittingly fills a gap between the vertex region (VD) and the carrier plate (T).

12. The gantry component (B) according to claim 11, characterized in that - the shaped body (D) form-fittingly fills a gap between the vertex region (VD) and the central region (TD) of the carrier plate (T).

13. The gantry component (B) according to claim 9, characterized in that - the gantry component (B) further comprises a first corner buffer (E1) and a second corner buffer (E2), - the first corner buffer (E1) is arranged between the cover (V) and a first wing region (T1) of the carrier plate (T) in such a way that a pressure acting on a first corner region of the cover (V) in which the vertex region (VD) transitions into the first side region (V1) causes an elastic compression of the first corner buffer (E1), - the second corner buffer (E2) is arranged between the cover (V) and a second wing region (T2) of the carrier plate (T) in such a way that a pressure acting on a second corner region of the cover (V) in which the vertex region (VD) transitions into the second side region (V2) causes an elastic compression of the second corner buffer (E2).

14. The gantry component (B) according to any one of claims 1 to 3, characterized in that - the gantry component (B) has a rubber lip (G), - the cover (V) is arranged between the rubber lip (G) and the carrier plate (T).

15. A gantry (20) for a medical imaging device, characterized in that - the gantry (20) has a gantry component (B) according to any one of claims 1 to 14 and a carrier structure (F), - the receiving plate (L) of the gantry component (B) is fixed on the carrier structure (F).

16. The rack (20) of claim 15, characterized in that, A carrier structure-side region (LF) of the receiving plate (L) is fixed on the carrier structure (F).

17. The gantry (20) according to claim 15, characterized in that - the gantry (20) further has a movement mechanism (R), - the carrier structure (F) is movably supported relative to the ground by means of the movement mechanism (R).

18. The rack (20) of claim 17, characterized in that, The carrier structure (F) is horizontally movably supported relative to the ground by means of the movement mechanism (R).

19. A computed tomography apparatus (1), characterized in that Rack component (B) having a rack part (B) according to any one of claims 1 to 14 and / or a rack (20) according to any one of claims 15 to 18.

Images