Component for a medical imaging device with a clamping device

Abstract

Component (8) for a medical imaging device, - wherein the component (8) comprises a clamping device (C) for connecting the component (8) to a holding structure (2C) of the medical imaging device, - wherein the clamping device (C) comprises a housing (D0), a clamping lever (D1), a clamping gear (D), a clamping jaw (C2) and a counterpart (C0) to the clamping jaw (C2), - wherein a recess for receiving the holding structure (2C) is formed between the clamping jaw (C2) and the counterpart (C0) such that the holding structure (2C) can be inserted into the recess along a first connecting axis (CA1) when the clamping jaw (C2) is in a first position of the clamping jaw (C2) relative to the counterpart (C0), - wherein the clamping mechanism (D) is configured to convert a first rotary movement of the clamping lever (D1) about a clamping lever pivot axis (DA) relative to the counterpart (C0) into a first translational movement of the clamping jaw (C2) relative to the counterpart (C0) in order to clamp the holding structure (2C) between the clamping jaw (C2) and the counterpart (C0) when the holding structure (2C) is inserted into the recess, wherein the first translational movement of the clamping jaw (C2) relative to the counterpart (C0) is parallel to a second connecting axis (CA2) from the first position of the clamping jaw (C2) to a second position of the clamping jaw (C2), - wherein the clamping jaw (C2) has a slide-shaped area (C20), - wherein the sled-shaped area (C20) is slidably mounted on an inner wall of the housing (D0) relative to the counterpart (C0) parallel to the second connecting axis (CA2).

Description

[0001] The invention relates to a component for a medical imaging device with a clamping device. The invention further relates to a computed tomography device.

[0002] For an imaging examination, it may be necessary to connect a component, for example for holding an object under examination, to a holding structure of a medical imaging device. The prior art in this regard is represented by DE 20 2020 106 821 U1, US 2016 / 0 296 387 A1 and DE 20 2023 104 964 U1.

[0003] The invention aims to provide an alternative to a conventional method of connecting a component to a holding structure of a medical imaging device.

[0004] Each subject matter of an independent claim solves this problem. The dependent claims address further advantageous aspects of the invention. Regardless of the grammatical gender of a particular term, persons of male, female, or other gender identities are included.

[0005] The invention relates to a component for a medical imaging device, - wherein the component has a clamping device for connecting the component to a holding structure of the medical imaging device, - wherein the clamping device comprises a clamping lever, a clamping mechanism, a clamping jaw and a counterpart to the clamping jaw, - wherein a recess for receiving the holding structure is formed between the clamping jaw and the counterpart such that the holding structure can be inserted into the recess along a first connecting axis when the clamping jaw is in a first position of the clamping jaw relative to the counterpart, - wherein the clamping mechanism is configured to convert a first rotary movement of the clamping lever about a clamping lever pivot axis relative to the counterpart into a first translational movement of the clamping jaw relative to the counterpart, in particular by applying a clamping force to the holding structure in order to clamp the holding structure between the clamping jaw and the counterpart when the holding structure is inserted into the recess, wherein the first translational movement of the clamping jaw relative to the counterpart is parallel to a second connecting axis from the first position of the clamping jaw to a second position of the clamping jaw.

[0006] The medical imaging device could be, for example, a computed tomography (CT) scanner. The medical imaging device could be, for example, an X-ray machine, in particular a computed tomography (CT) scanner, a C-arm X-ray machine, or a fluoroscopy X-ray machine. The medical imaging device could be, for example, a molecular imaging (MI) machine, a single-photon emission computed tomography (SPECT) machine, a positron emission tomography (PET) machine, a magnetic resonance imaging (MRI) machine, or a combination thereof, in particular a PET-CT machine or a PET-MR machine.

[0007] In particular, it may be provided that the holding structure is clamped between the clamping jaw and the counterpart when the holding structure is inserted into the recess and the clamping jaw is in the second position relative to the counterpart. In particular, it may be provided that the clamping device has a clamping lever pivot bearing and / or that the clamping lever is rotatably mounted about a clamping lever pivot axis relative to the counterpart by means of the clamping lever pivot bearing.

[0008] In particular, it may be provided that the first connecting axis is vertical and / or that the clamping device is designed such that, by lowering the component relative to the holding structure, the holding structure can be inserted from below along the first connecting axis between the clamping jaw and the counterpart until a positive fit of the holding structure with a contact area of ​​the component is achieved in the recess, when the clamping jaw is in its first position relative to the counterpart. In particular, it may be provided that the positive fit of the holding structure with the contact area of ​​the component counteracts any further lowering of the component relative to the holding structure.

[0009] In particular, the holding structure between the clamping jaw and the counterpart can be clamped in such a way that the component is secured against lifting relative to the holding structure by means of the clamping device when the holding structure is inserted between the clamping jaw and the counterpart and the clamping jaw is in the second position relative to the counterpart.

[0010] In particular, it may be provided that the rotary movement of the clamping lever can be driven manually by an operator with one hand.

[0011] One embodiment provides that the pivot axis of the clamping lever is parallel to the first connecting axis. Another embodiment provides that the second connecting axis is perpendicular to the first connecting axis.

[0012] The invention provides that the clamping device has a housing, wherein the clamping jaw has a slide-shaped section, the slide-shaped section being slidably mounted on an inner wall of the housing relative to the counterpart parallel to the second connecting axis. In particular, it can be provided that the housing and the counterpart merge integrally and / or are fixed immovably relative to each other.

[0013] One embodiment provides that the clamping mechanism has a cylindrical body and a first plate, - wherein the first plate is arranged between the cylindrical body and the clamping jaw and extends in a planar fashion parallel to the clamping lever axis of rotation and perpendicular to the second connecting axis, - wherein a lateral surface of the cylindrical body is parallel to the clamping lever axis of rotation and touches the first plate, - wherein the cylindrical body is mounted so as to be rotatable eccentrically about the clamping lever axis of rotation relative to the counterpart that a first rotational movement of the cylindrical body about the clamping lever axis of rotation relative to the counterpart causes the first plate to be pushed away from the clamping lever axis of rotation parallel to the second connecting axis, - wherein the cylindrical body is coupled to the clamping lever in such a way that the first rotational movement of the clamping lever about the clamping lever axis of rotation relative to the counterpart causes the first rotational movement of the cylindrical body about the clamping lever axis of rotation relative to the counterpart, - wherein the clamping jaw is coupled to the first plate in such a way that pushing the first plate away from the clamping lever's axis of rotation causes the first translational movement of the clamping jaw relative to the counterpart. The cylindrical body can be made of, for example, stainless steel and / or plastic.

[0014] One embodiment provides that the clamping mechanism has at least one spring, in particular a first spring and a second spring, which is arranged between the clamping jaw and the first plate and pushes the clamping jaw and the first plate away from each other. The at least one spring can, for example, be a disc spring and / or be arranged coaxially with a corresponding screw that passes through the first plate and is screwed into the clamping jaw.

[0015] One embodiment provides that the cylindrical body's lateral surface has a flat side surface, wherein the flat side surface of the cylindrical body's lateral surface rests flat against the first plate when the clamping jaw is in the second position relative to the counterpart.

[0016] For example, the cylindrical body can have a cylindrical shape that deviates from a circular cylindrical shape and / or is a prism. Rotation of the cylindrical body over the edges of the flat side surface is possible, for example, against the spring force of the at least one spring, creating a clamping effect so that the cylindrical body is secured against rotation relative to the first plate as long as the spring force cannot be overcome. The lateral surface of the cylindrical body can, for example, have a circular arc-shaped side surface. In particular, the flat side surface can connect to the circular arc-shaped side surface in a chord-like manner and complete a contour closed around the pivot axis of the clamping lever.

[0017] One embodiment provides that the tensioning mechanism has a second plate, - wherein the second plate extends over a flat surface parallel to the clamping lever axis of rotation and perpendicular to the second connecting axis, - wherein the cylindrical body is clamped between the first plate and the second plate, - wherein the lateral surface of the cylindrical body touches the second plate, - wherein the cylindrical body is mounted so as to be rotatable eccentrically about the clamping lever axis of rotation relative to the counterpart that a second rotational movement of the cylindrical body about the clamping lever axis of rotation relative to the counterpart causes the second plate to be pushed away from the clamping lever axis of rotation parallel to the second connecting axis, - wherein the cylindrical body is coupled to the clamping lever in such a way that a second rotational movement of the clamping lever about the clamping lever axis of rotation relative to the counterpart causes the second rotational movement of the cylindrical body about the clamping lever axis of rotation relative to the counterpart, - wherein the clamping jaw is coupled to the second plate in such a way that pushing the second plate away from the clamping lever pivot axis causes a second translational movement of the clamping jaw relative to the counterpart, wherein the second translational movement of the clamping jaw relative to the counterpart is parallel to the second connecting axis from the second position of the clamping jaw to the first position of the clamping jaw.

[0018] This allows the clamping device to be released, for example, to remove the component from the holding structure. The first plate and / or the second plate can be made of stainless steel and / or plastic, for example.

[0019] One embodiment provides that the counterpart has a contact surface of the counterpart for planar contact with a counterpart-side contact surface of the holding structure, - wherein the contact surface of the counterpart extends over a planar area perpendicular to the second connecting axis. In particular, it can be provided that the counterpart-side contact surface of the retaining structure extends over a planar area perpendicular to the second connecting axis.

[0020] One embodiment provides that the counterpart has a pin for insertion into a hole in the holding structure, - wherein the pin projects into the recess along the first connecting axis in such a way that by inserting the retaining structure into the recess along the first connecting axis, the pin is inserted into the hole of the retaining structure along the first connecting axis, - wherein the component is secured against displacement perpendicular to the first connecting axis relative to the holding structure by a positive locking of the pin with an inner wall of the hole when the pin is inserted into the hole of the holding structure along the first connecting axis.

[0021] In particular, it may be provided that the component is positively secured against a displacement relative to the holding structure by means of the pin, which is perpendicular to the first connecting axis and to the second connecting axis, when the pin is inserted into the hole of the holding structure along the first connecting axis.

[0022] In particular, the pin may be cylindrical. For example, the pin may have a cylindrical shape that deviates from a circular cylinder and / or is a prism. Specifically, it may be provided that one surface of the pin has a flat first surface. Furthermore, it may be provided that the surface of the pin has a second surface shaped like a circular arc and / or that the flat first surface connects to the second surface shaped like a chord, in particular forming a closed contour of the surface of the pin.

[0023] One embodiment provides that the component forms a storage structure for storing an examination object for a pediatric computed tomography examination and has a support surface for the examination object. - wherein the bearing surface extends flatly along a longitudinal axis of the bearing structure, - wherein the first connecting axis is essentially perpendicular to the bearing surface, - wherein the second connecting axis is essentially parallel to the longitudinal axis of the support structure.

[0024] The support surface can be made of carbon fiber reinforced plastic, for example. The subject of the examination can be a human being, specifically a baby or a toddler. The subject can be positioned lying down and / or relative to the gantry of a computed tomography (CT) scanner. The CT scanner can be a head CT scanner for an adult's head and / or a mobile CT scanner.

[0025] The invention further relates to a computed tomography device comprising the component according to the invention and the holding structure.

[0026] One embodiment provides that the computed tomography device has a gantry with an opening, wherein the opening extends in a tunnel-like manner along a system axis of the gantry such that the component can be inserted into the opening along the system axis, wherein the second connecting axis is parallel to the system axis.

[0027] In particular, it may be provided that the system axis is horizontal and / or that the first connecting axis is vertical. In particular, it may be provided that the second connecting axis is horizontal.

[0028] One embodiment provides that the holding structure has a pivot bearing bushing such that a pivot bearing pin can be pivotally mounted relative to the holding structure about a pivot axis by means of the pivot bearing bushing. - wherein the pivot axis is perpendicular to the first connecting axis and perpendicular to the second connecting axis, - wherein the holding structure has a clamping jaw-side contact surface of the holding structure for a planar contact with the clamping jaw, - wherein the clamping jaw-side contact surface of the holding structure extends over a planar area perpendicular to the second connecting axis and is arranged between the clamping jaw and the pivot axis with respect to the second connecting axis.

[0029] In particular, it may be provided that the swivel bearing bushing is inserted into a partial area of ​​the recess when the retaining structure is inserted into the recess.

[0030] One embodiment provides that the clamping jaw-side contact surface of the holding structure has a first partial surface and a second partial surface, - wherein the pivot bearing bushing has a gap, the gap being located between the first partial surface and the second partial surface with respect to the first connecting axis and extending longitudinally along the pivot axis, - wherein the clamping jaw has a protrusion such that the first translational movement of the clamping jaw relative to the counterpart causes the protrusion to be inserted into the gap between the first partial surface and the second partial surface.

[0031] This means that not only the frictional connection at the contact surfaces, but also the positive locking of the protrusion with the swivel bearing bushing counteracts the removal of the component from the holding structure along the first connecting axis.

[0032] In particular, it can be provided that the gap extends through the pivot bearing bushing along a direction that is radial with respect to the pivot axis and parallel to the second connecting axis, and / or that the protrusion has a uniaxially concave outer surface with a circular arc profile, the radius of curvature of which is equal to the inner radius of the pivot bearing bushing, wherein one axis of curvature of the uniaxially concave outer surface is coincident with the pivot axis when the clamping jaw is in the second clamping jaw position relative to the counterpart. Thus, a gap in the inner wall of the pivot bearing bushing caused by the gap can be essentially closed.

[0033] Within the scope of the invention, features described in relation to different embodiments of the invention and / or different claim categories (method, use, device, system, arrangement, etc.) can be combined to form further embodiments of the invention. For example, a claim relating to a device can also be further developed with features described or claimed in connection with a method, and vice versa. Functional features of a method can be implemented by appropriately designed physical components. The use of the indefinite articles "a" or "an" does not preclude the possibility that the feature in question may be present multiple times.

[0034] The following section explains features of the invention with reference to the accompanying figures and examples. The representation in the figures is schematic, highly simplified, and not necessarily to scale. The Fig. Figure 1 shows a mobile computed tomography device. The Fig. Figure 2 shows a body support device. The Fig. Figure 3 shows a support structure. The Fig. 4, Fig. 5 and Fig. Figure 6 shows different views of a clamping device. The Fig. Figure 7 shows a clamping jaw. The Fig. 8 and Fig. Figure 9 shows a tensioning mechanism in different operating states.

[0035] The Fig. Figure 1 shows the computed tomography device 1 in the form of a mobile computed tomography device. The computed tomography device 1 includes component 8 and the mounting structure 2C. The example shown provides that the computed tomography device 1 has a gantry 20 with an opening 9, wherein the opening 9 extends in a tunnel-like manner along a system axis SA of the gantry 20 such that component 8 can be inserted into the opening 9 along the system axis SA, the second connecting axis CA2 being parallel to the system axis SA. The example shown provides that the system axis SA is horizontal, that the first connecting axis CA1 is vertical, and that the second connecting axis CA2 is horizontal.

[0036] The example shown provides that component 8 forms a support structure for supporting an object of examination in a pediatric computed tomography examination and has a support surface 80 for the object of examination, wherein the support surface 80 extends planarly along a longitudinal axis of the support structure, wherein the first connecting axis CA1 is substantially perpendicular to the support surface 80, and wherein the second connecting axis CA2 is substantially parallel to the longitudinal axis of the support structure.

[0037] The first gantry section 21 comprises the rotary bearing 25 and the support structure 26, wherein the rotor 24 is connected to the support structure 26 by means of the rotary bearing 25 and is rotatably mounted relative to the support structure 26 about the system axis SA. The rotor 24 comprises the projection data acquisition system 40. The projection data acquisition system 40 comprises an X-ray source for generating X-rays and an X-ray detector for detecting the X-rays.

[0038] The second gantry section 22 includes the support structure 2C, the body support device 75 with the board 7, and the touchscreen 38 for operating the computed tomography device 1. The board 7 is pivotally mounted relative to the gantry 20 about the pivot axis 7A by means of the pivot bearing bushing 7B and the pivot bearing pin 7L, the pivot axis 7A being horizontal and perpendicular to the system axis SA. The second gantry section 22 includes the support device 72 for the support structure 2C.

[0039] Gantry 20 has a casing V to separate an interior area of ​​gantry 20 from its surroundings. Gantry 20 has a third gantry section 23. The third gantry section 23 has a front surface of casing V. The front surface of casing V surrounds an annular front surface of opening 9. The first gantry section 21 has a rear surface of casing V. The rear surface of casing V surrounds an annular rear surface of opening 9.

[0040] The first gantry part 21 is mounted so as to be movable relative to the second gantry part 22 and relative to the third gantry part 23 that the translational movement of the first gantry part 21 can be carried out relative to the second gantry part 22 and the third gantry part 23, while at the same time the second gantry part 22 and the third gantry part 23 are at rest relative to the component 8, with the component 8 being inserted into the opening 9.

[0041] The example shown provides that the gantry 20 has a first gantry part 21 and a second gantry part 22, - wherein the first gantry part 21 has a projection data acquisition system 40, - wherein the second gantry part 22 has the holding structure 2C, - wherein the first gantry part 21 is mounted so as to be movable relative to the second gantry part 22 that a translational movement of the first gantry part 21 relative to the second gantry part 22 can be carried out parallel to the system axis SA, while at the same time the component 8 is at rest relative to the second gantry part 22, wherein the component 8 is brought from above along the first connecting axis CA1 to the positive locking of the component 8 with the component support surface 2CY to the holding structure 2C.

[0042] In particular, it may be provided that the second gantry part 22 has a chassis, wherein the chassis is arranged to move the gantry 20 relative to a floor of an examination room parallel to a translational direction, wherein the translational direction is horizontal and / or perpendicular to the system axis SA.

[0043] The Fig. Figure 2 shows the body support device 75.

[0044] The example shown provides that the retaining structure 2C has a spring-loaded pressure piece 2C11, wherein the spring-loaded pressure piece 2C11 projects into the hole 2C1 through a bore in the inner wall of the hole 2C1 such that when the pin C1 is inserted into the hole 2C1 along the first connecting axis CA1, the pin C1 pushes away a resiliently mounted body of the spring-loaded pressure piece 2C11 against a spring force of the spring-loaded pressure piece 2C11 in a direction that is substantially perpendicular to the first connecting axis CA1, in particular before the positive locking of the retaining structure 2C with the contact area of ​​the component 8 is achieved.

[0045] The Fig. Figure 3 shows the holding structure 2C. The example shown provides that the holding structure 2C has a pivot bearing bushing 7B such that a pivot bearing pin 7L can be pivotally mounted relative to the holding structure 2C about a pivot axis 7A by means of the pivot bearing bushing 7B. - wherein the pivot axis 7A is perpendicular to the first connecting axis CA1 and perpendicular to the second connecting axis CA2, - wherein the holding structure 2C has a clamping jaw-side contact surface 2C2 of the holding structure 2C for a planar contact with the clamping jaw C2, - wherein the clamping jaw-side contact surface 2C2 of the holding structure 2C extends over a planar area perpendicular to the second connecting axis CA2 and is arranged between the clamping jaw C2 and the pivot axis 7A with respect to the second connecting axis CA2.

[0046] In particular, it may be provided that the swivel bearing bushing 7B is inserted into a partial area of ​​the recess when the retaining structure 2C is inserted into the recess.

[0047] The example shown provides that the clamping jaw-side contact surface 2C2 of the holding structure 2C has a first partial surface 2C21 and a second partial surface 2C22, - wherein the pivot bearing bushing 7B has a gap 2C27, the gap 2C27 being located between the first partial surface and the second partial surface with respect to the first connecting axis CA1 and extending longitudinally along the pivot axis 7A, - wherein the clamping jaw C2 has a protrusion C27 such that the first translational movement of the clamping jaw C2 relative to the counterpart C0 results in the protrusion C27 being inserted between the first partial surface and the second partial surface into the gap 2C27.

[0048] In particular, it can be provided that the gap 2C27 extends through the pivot bearing bushing 7B along a direction that is radial with respect to the pivot axis 7A and parallel to the second connecting axis CA2, and / or that the protrusion C27 has a uniaxially concave outer surface with a circular arc profile, the radius of curvature of which is equal to the inner radius of the pivot bearing bushing 7B, wherein one axis of curvature of the uniaxially concave outer surface is coincident with the pivot axis 7A when the clamping jaw C2 is in the second position relative to the counterpart C0. Thus, a gap in the inner wall of the pivot bearing bushing 7B caused by the gap 2C27 can be substantially closed.

[0049] The Fig. 4, Fig. 5 and Fig. Figure 6 shows different views of the clamping device C.

[0050] The example shown provides that component 8 has a clamping device C for connecting component 8 to a holding structure 2C of the medical imaging device, - wherein the clamping device C comprises a clamping lever D1, a clamping gear D, a clamping jaw C2 and a counterpart C0 to the clamping jaw C2, - wherein a recess for receiving the holding structure 2C is formed between the clamping jaw C2 and the counterpart C0 such that the holding structure 2C can be inserted into the recess along a first connecting axis CA1 when the clamping jaw C2 is in a first position relative to the counterpart C0, - wherein the clamping mechanism D is configured to convert a first rotary movement of the clamping lever D1 about a clamping lever pivot axis DA relative to the counterpart C0 into a first translational movement of the clamping jaw C2 relative to the counterpart C0 in order to clamp the holding structure 2C between the clamping jaw C2 and the counterpart C0 when the holding structure 2C is inserted into the recess, wherein the first translational movement of the clamping jaw C2 relative to the counterpart C0 is parallel to a second connecting axis CA2 from the first position of the clamping jaw C2 to a second position of the clamping jaw C2.

[0051] The medical imaging device can be, for example, a computed tomography scanner. Specifically, it can be provided that the holding structure 2C is clamped between the clamping jaw C2 and the counterpart C0 when the holding structure 2C is inserted into the recess and the clamping jaw C2 is in the second position relative to the counterpart C0. Specifically, it can be provided that the clamping device C has a clamping lever pivot bearing DB and / or that the clamping lever D1 is rotatably mounted about a clamping lever pivot axis DA relative to the counterpart C0 by means of the clamping lever pivot bearing DB.

[0052] In particular, it may be provided that the first connecting axis CA1 is vertical and / or that the clamping device C is designed such that by lowering component 8 relative to the holding structure 2C, the holding structure 2C can be inserted from below along the first connecting axis CA1 between the clamping jaw C2 and the counterpart C0 until a positive fit of the holding structure 2C with a contact area of ​​component 8 is achieved in the recess, when the clamping jaw C2 is in its first position relative to the counterpart C0. In particular, it may be provided that the positive fit of the holding structure 2C with the contact area of ​​component 8 counteracts any further lowering of component 8 relative to the holding structure 2C.

[0053] In particular, the holding structure 2C can be clamped between the clamping jaw C2 and the counterpart C0 in such a way that the component 8 is secured against lifting relative to the holding structure 2C by means of the clamping device C when the holding structure 2C is inserted between the clamping jaw C2 and the counterpart C0 and the clamping jaw C2 is in the second position relative to the counterpart C0.

[0054] The example shown provides that the clamping lever's pivot axis DA is parallel to the first connecting axis CA1. The example shown provides that the second connecting axis CA2 is perpendicular to the first connecting axis CA1. The example shown provides that the counterpart C0 has a contact surface C3 for planar contact with a counterpart-side contact surface 2C3 of the retaining structure 2C, wherein the contact surface C3 of the counterpart C0 extends planarly perpendicular to the second connecting axis CA2. In particular, it can be provided that the counterpart-side contact surface 2C3 of the retaining structure 2C extends planarly perpendicular to the second connecting axis CA2.

[0055] The example shown provides that the counterpart C0 has a pin C1 for insertion into a hole 2C1 of the holding structure 2C, - wherein the pin C1 projects into the recess along the first connecting axis CA1 in such a way that by inserting the retaining structure 2C into the recess along the first connecting axis CA1, the pin C1 is inserted into the hole 2C1 of the retaining structure 2C along the first connecting axis CA1, - wherein the component 8 is secured against displacement relative to the holding structure 2C by a positive locking of the pin C1 with an inner wall of the hole 2C1, which is perpendicular to the first connecting axis CA1, when the pin C1 is inserted into the hole 2C1 of the holding structure 2C along the first connecting axis CA1.

[0056] In particular, it can be provided that the component 8 is positively secured against a displacement relative to the holding structure 2C by means of the pin C1, which is perpendicular to the first connecting axis CA1 and to the second connecting axis CA2, when the pin C1 is inserted into the hole 2C1 of the holding structure 2C along the first connecting axis CA1.

[0057] The pictogram, in the direction the clamping lever points, illustrates the operating state of the clamping device, in particular whether the clamping device is unlocked or locked. The pin C1 is screwed to the housing D0 by means of the screw connection C10. Another part of component 8 can be screwed to the housing D0 by means of the bores C8.

[0058] The Fig. Figure 7 shows the clamping jaw C20. The clamping jaw C2 has a first clamping jaw partial surface C21 for contact with the first partial surface 2C21 and a second clamping jaw partial surface C22 for contact with the second partial surface 2C22.

[0059] The Fig. 8 and Fig. Figures 9 show the tensioning device D in various operating states. In the one shown in the Fig. In the operating state of clamping device C shown in Figure 8, clamping device C is unlocked and clamping jaw C2 is in the first position relative to the counterpart C0. In the Fig. In the operating state of clamping device C shown in Figure 9, the clamping device C is locked and the clamping jaw C2 is in the second position relative to the counterpart C0.

[0060] The example shown provides that the clamping device C has a housing D0, wherein the clamping jaw C2 has a slide-shaped section C20, the slide-shaped section C20 being slidably mounted on an inner wall of the housing D0 relative to the counterpart C0 parallel to the second connecting axis CA2. In particular, it can be provided that the housing D0 and the counterpart C0 are integrally formed and / or fixed immovably relative to each other.

[0061] The example shown provides that the clamping gear D has a cylindrical body D3 and a first plate D41, - wherein the first plate D41 is arranged between the cylindrical body D3 and the clamping jaw C2 and extends over a surface parallel to the clamping lever axis of rotation DA and perpendicular to the second connecting axis CA2, - wherein a lateral surface of the cylindrical body D3 is parallel to the clamping lever pivot axis DA and touches the first plate D41, - wherein the cylindrical body D3 is mounted so as to be rotatable eccentrically about the clamping lever axis of rotation DA relative to the counterpart C0 that a first rotational movement of the cylindrical body D3 about the clamping lever axis of rotation DA relative to the counterpart C0 causes the first plate D41 to be pushed away from the clamping lever axis of rotation DA parallel to the second connecting axis CA2, - wherein the cylindrical body D3 is coupled to the clamping lever D1 in such a way that the first rotational movement of the clamping lever D1 about the clamping lever axis of rotation DA relative to the counterpart C0 causes the first rotational movement of the cylindrical body D3 about the clamping lever axis of rotation DA relative to the counterpart C0, - wherein the clamping jaw C2 is coupled to the first plate D41 in such a way that pushing the first plate D41 away from the clamping lever pivot axis DA causes the first translational movement of the clamping jaw C2 relative to the counterpart C0.

[0062] The example shown provides that the clamping mechanism D has at least one spring D6, in particular a first spring D61 and a second spring D62, which is arranged between the clamping jaw C2 and the first plate D41 and pushes the clamping jaw C2 and the first plate D41 away from each other.

[0063] The example shown provides that the lateral surface of the cylindrical body D3 has a flat side surface D34, - wherein the flat side surface D34 of the cylindrical body D3 lies flat against the first plate D41 when the clamping jaw C2 is in the second position of the clamping jaw C2 relative to the counterpart C0.

[0064] The example shown provides that the clamping gear D has a second plate D42, - wherein the second plate D42 extends over a surface parallel to the clamping lever pivot axis DA and perpendicular to the second connecting axis CA2, - wherein the cylindrical body D3 is clamped between the first plate D41 and the second plate D42, - wherein the lateral surface of the cylindrical body D3 touches the second plate D42, - wherein the cylindrical body D3 is mounted so as to be rotatable eccentrically about the clamping lever axis of rotation DA relative to the counterpart C0 that a second rotational movement of the cylindrical body D3 about the clamping lever axis of rotation DA relative to the counterpart C0 causes the second plate D42 to be pushed away from the clamping lever axis of rotation DA parallel to the second connecting axis CA2, - wherein the cylindrical body D3 is coupled to the clamping lever D1 in such a way that a second rotational movement of the clamping lever D1 about the clamping lever axis of rotation DA relative to the counterpart C0 causes the second rotational movement of the cylindrical body D3 about the clamping lever axis of rotation DA relative to the counterpart C0, - wherein the clamping jaw C2 is coupled to the second plate D42 in such a way that pushing the second plate D42 away from the clamping lever pivot axis DA causes a second translational movement of the clamping jaw C2 relative to the counterpart C0, wherein the second translational movement of the clamping jaw C2 relative to the counterpart C0 is parallel to the second connecting axis CA2 from the second position of the clamping jaw C2 to the first position of the clamping jaw C2.

[0065] The first plate D41 and the second plate D42 are connected to the clamping jaw C2 by means of screws D71 and D72. A torque with respect to the clamping lever's axis of rotation DA can be transmitted from the clamping lever D1 to the cylindrical body D3 via the coupling lever D2. The housing D0 has an enclosed inner compartment D9 to protect the components of the clamping mechanism D.

Claims

[1] Component (8) for a medical imaging device, - wherein the component (8) comprises a clamping device (C) for connecting the component (8) to a holding structure (2C) of the medical imaging device, - wherein the clamping device (C) comprises a housing (D0), a clamping lever (D1), a clamping gear (D), a clamping jaw (C2) and a counterpart (C0) to the clamping jaw (C2), - wherein a recess for receiving the holding structure (2C) is formed between the clamping jaw (C2) and the counterpart (C0) such that the holding structure (2C) can be inserted into the recess along a first connecting axis (CA1) when the clamping jaw (C2) is in a first position of the clamping jaw (C2) relative to the counterpart (C0), - wherein the clamping mechanism (D) is configured to convert a first rotary movement of the clamping lever (D1) about a clamping lever pivot axis (DA) relative to the counterpart (C0) into a first translational movement of the clamping jaw (C2) relative to the counterpart (C0) in order to clamp the holding structure (2C) between the clamping jaw (C2) and the counterpart (C0) when the holding structure (2C) is inserted into the recess, wherein the first translational movement of the clamping jaw (C2) relative to the counterpart (C0) is parallel to a second connecting axis (CA2) from the first position of the clamping jaw (C2) to a second position of the clamping jaw (C2), - wherein the clamping jaw (C2) has a slide-shaped area (C20), - wherein the sled-shaped area (C20) is slidably mounted on an inner wall of the housing (D0) relative to the counterpart (C0) parallel to the second connecting axis (CA2). [2] Component (8) according to claim 1, - wherein the clamping lever pivot axis (DA) is parallel to the first connecting axis (CA1). [3] Component (8) according to claim 1 or 2, - where the second connecting axis (CA2) is perpendicular to the first connecting axis (CA1). [4] Component (8) according to any one of claims 1 to 3, - wherein the housing (D0) and the counterpart (C0) merge seamlessly into one another and / or are fixed immovably relative to each other. [5] Component (8) according to any one of claims 1 to 4, - wherein the clamping mechanism (D) has a cylindrical body (D3) and a first plate (D41), - wherein the first plate (D41) is arranged between the cylindrical body (D3) and the clamping jaw (C2) and extends over a surface parallel to the clamping lever axis of rotation (DA) and perpendicular to the second connecting axis (CA2), - wherein a lateral surface of the cylindrical body (D3) is parallel to the clamping lever axis of rotation (DA) and touches the first plate (D41), - wherein the cylindrical body (D3) is mounted so as to be rotatable eccentrically about the clamping lever axis of rotation (DA) relative to the counterpart (C0) that a first rotational movement of the cylindrical body (D3) about the clamping lever axis of rotation (DA) relative to the counterpart (C0) causes the first plate (D41) to be pushed away from the clamping lever axis of rotation (DA) parallel to the second connecting axis (CA2), - wherein the cylindrical body (D3) is coupled to the clamping lever (D1) in such a way that the first rotational movement of the clamping lever (D1) about the clamping lever axis of rotation (DA) relative to the counterpart (C0) causes the first rotational movement of the cylindrical body (D3) about the clamping lever axis of rotation (DA) relative to the counterpart (C0), - wherein the clamping jaw (C2) is coupled to the first plate (D41) in such a way that pushing the first plate (D41) away from the clamping lever pivot axis (DA) causes the first translational movement of the clamping jaw (C2) relative to the counterpart (C0). [6] Component (8) according to claim 5, - wherein the clamping mechanism (D) has at least one spring (D6), in particular a first spring (D61) and a second spring (D62), which is arranged between the clamping jaw (C2) and the first plate (D41) and pushes the clamping jaw (C2) and the first plate (D41) away from each other. [7] Component (8) according to claim 5 or 6, - wherein the lateral surface of the cylindrical body (D3) has a planar side surface (D34), - wherein the flat side surface (D34) of the cylindrical body's outer surface (D3) lies flat against the first plate (D41) when the clamping jaw (C2) is in the second position of the clamping jaw (C2) relative to the counterpart (C0). [8] Component (8) according to any one of claims 5 to 7, - wherein the clamping mechanism (D) has a second plate (D42), - wherein the second plate (D42) extends over a surface parallel to the clamping lever pivot axis (DA) and perpendicular to the second connecting axis (CA2), - wherein the cylindrical body (D3) is clamped between the first plate (D41) and the second plate (D42), - wherein the lateral surface of the cylindrical body (D3) touches the second plate (D42), - wherein the cylindrical body (D3) is mounted so as to be rotatable eccentrically about the clamping lever axis of rotation (DA) relative to the counterpart (C0) that a second rotational movement of the cylindrical body (D3) about the clamping lever axis of rotation (DA) relative to the counterpart (C0) causes the second plate (D42) to be pushed away from the clamping lever axis of rotation (DA) parallel to the second connecting axis (CA2), - wherein the cylindrical body (D3) is coupled to the clamping lever (D1) in such a way that a second rotational movement of the clamping lever (D1) about the clamping lever axis of rotation (DA) relative to the counterpart (C0) causes the second rotational movement of the cylindrical body (D3) about the clamping lever axis of rotation (DA) relative to the counterpart (C0), - wherein the clamping jaw (C2) is coupled to the second plate (D42) in such a way that pushing the second plate (D42) away from the clamping lever pivot axis (DA) causes a second translational movement of the clamping jaw (C2) relative to the counterpart (C0), wherein the second translational movement of the clamping jaw (C2) relative to the counterpart (C0) takes place parallel to the second connecting axis (CA2) from the second position of the clamping jaw (C2) to the first position of the clamping jaw (C2). [9] Component (8) according to any one of claims 1 to 8, - wherein the counterpart (C0) has a contact surface (C3) of the counterpart (C0) for planar contact with a counterpart-side contact surface (2C3) of the holding structure (2C), - wherein the contact surface (C3) of the counterpart (C0) extends over a planar area perpendicular to the second connecting axis (CA2). [10] Component (8) according to any one of claims 1 to 9, - wherein the counterpart (C0) has a pin (C1) for insertion into a hole (2C1) of the holding structure (2C), - wherein the pin (C1) projects into the recess along the first connecting axis (CA1) in such a way that by inserting the retaining structure (2C) along the first connecting axis (CA1) into the recess, the pin (C1) is inserted along the first connecting axis (CA1) into the hole (2C1) of the retaining structure (2C), - wherein the component (8) is secured against displacement perpendicular to the first connecting axis (CA1) relative to the retaining structure (2C) by a positive locking of the pin (C1) with an inner wall of the hole (2C1) when the pin (C1) is inserted into the hole (2C1) of the retaining structure (2C) along the first connecting axis (CA1). [11] Component (8) according to any one of claims 1 to 10, - wherein the component (8) forms a storage structure for storing an examination object of a pediatric computed tomography examination and has a support surface (80) for the examination object, - wherein the bearing surface (80) extends planarly along a longitudinal axis of the bearing structure, - wherein the first connecting axis (CA1) is essentially perpendicular to the support surface (80), - wherein the second connecting axis (CA2) is essentially parallel to the longitudinal axis of the support structure. [12] Computed tomography device (1) comprising the component (8) according to any one of claims 1 to 11 and the holding structure (2C). [13] Computed tomography device (1) according to claim 12, - wherein the computed tomography device (1) has a gantry (20) with an opening (9), - wherein the opening (9) extends in such a tunnel-like manner along a system axis (SA) of the gantry (20) that the component (8) can be inserted into the opening (9) along the system axis (SA), - where the second connecting axis (CA2) is parallel to the system axis (SA). [14] Computed tomography device (1) according to claim 12 or 13, - wherein the holding structure (2C) has a pivot bearing bushing (7B) such that a pivot bearing pin (7L) can be pivotably mounted relative to the holding structure (2C) about a pivot axis (7A) by means of the pivot bearing bushing (7B), - wherein the pivot axis (7A) is perpendicular to the first connecting axis (CA1) and perpendicular to the second connecting axis (CA2), - wherein the holding structure (2C) has a clamping jaw-side contact surface (2C2) of the holding structure (2C) for a planar contact with the clamping jaw (C2), - wherein the clamping jaw-side contact surface (2C2) of the holding structure (2C) extends over a planar area perpendicular to the second connecting axis (CA2) and is arranged between the clamping jaw (C2) and the pivot axis (7A) with respect to the second connecting axis (CA2). [15] Computed tomography device (1) according to claim 14, - wherein the clamping jaw-side contact surface (2C2) of the holding structure (2C) has a first partial surface (2C21) and a second partial surface (2C22), - wherein the pivot bearing bushing (7B) has a gap (2C27), the gap (2C27) being located between the first partial surface and the second partial surface with respect to the first connecting axis (CA1) and extending longitudinally along the pivot axis (7A), - wherein the clamping jaw (C2) has a protrusion (C27) such that the first translational movement of the clamping jaw (C2) relative to the counterpart (C0) results in the protrusion (C27) being inserted between the first partial surface and the second partial surface into the gap (2C27).

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