Magnetic resonance apparatus

Abstract

The utility model is based on magnetic resonance equipment. The magnetic resonance equipment is provided with a magnet unit; a patient receiving area at least partially surrounded by the magnet unit, the patient receiving area being designed to receive a patient for magnetic resonance examination, the magnet unit having a housing surrounding the patient receiving area; and at least one illumination unit which is designed to illuminate the patient receiving area, the housing surrounding the patient receiving area having at least one recess in which the at least one illumination unit is arranged.

Description

Technical Field

[0001] The utility model relates to a magnetic resonance device, which has: a magnet unit; a patient accommodation area at least partially surrounded by the magnet unit, the patient accommodation area being configured to accommodate a patient for magnetic resonance examination, wherein the magnet unit has a housing surrounding the patient accommodation area; and at least one lighting unit configured to illuminate the patient accommodation area. Background Art

[0002] Regardless of the grammatical gender of a particular term, it includes a person with a male or female gender identity.

[0003] During magnetic resonance examination, the patient is in the examination room where a magnetic resonance device is provided. Here, the patient is positioned in the patient accommodation area for magnetic resonance examination. The patient accommodation area is usually configured to be 1.5 m or longer, which may cause stuffy and / or uncomfortable feelings for the patient. In addition, magnetic resonance examination can also last for a very long time. For example, an examination duration of 30 minutes or longer is not uncommon.

[0004] In order to enable the patient to stay more comfortably in the patient accommodation area during magnetic resonance examination, the magnetic resonance device usually has a lighting unit. In addition, the lighting of the patient accommodation area can also be used for patient monitoring, for example, to detect the movement of the patient by means of a camera during magnetic resonance examination.

[0005] However, in order to prevent the patient from being dazzled and / or to create a comfortable mood, so far, indirect lighting is preferably used in the patient accommodation area. Here, the lighting unit can be arranged beside the examination bed. In addition, the lighting unit can also be arranged at the foot end and / or the dorsal end of the patient accommodation area.

[0006] However, if an intervention operation is additionally performed by medical staff, such as a doctor, together with the magnetic resonance examination, targeted lighting of the area to be examined and / or the intervention area of the patient is desired. Summary of the Utility Model

[0007] The object underlying the utility model is in particular to provide simple and direct lighting for the intervention area within the patient accommodation area. This object is achieved by the features of the utility model. Advantageous design options are described below.

[0008] The present utility model is based on a magnetic resonance device, which has: a magnet unit; a patient accommodation area at least partially surrounded by the magnet unit, the patient accommodation area being configured to accommodate a patient for magnetic resonance examination, wherein the magnet unit has a housing surrounding the patient accommodation area; and at least one lighting unit configured to illuminate the patient accommodation area. According to the present utility model, the housing surrounding the patient accommodation area has at least one void portion, and at least one lighting unit is provided in the void portion.

[0009] The magnetic resonance device preferably includes a medical and / or diagnostic magnetic resonance device, which is designed and / or configured to detect medical and / or diagnostic image data of a patient, especially medical and / or diagnostic magnetic resonance image data. In addition, the magnetic resonance device according to the present utility model can also be integrated with a PET device (positron emission tomography device) into a combined magnetic resonance PET system.

[0010] The magnetic resonance device preferably includes a magnet unit for detecting medical and / or diagnostic image data. Here, the magnet unit includes a basic magnet, a gradient coil unit, and a radio frequency antenna unit. The radio frequency antenna unit is firmly provided within the magnet unit.

[0011] The basic magnet is configured to generate a uniform basic magnetic field with a defined magnetic field strength, such as a magnetic field strength of 0.55 T or 1.5 T or 3 T or 7 T, etc. The basic magnet is especially configured to generate a strong, constant, and uniform basic magnetic field. The gradient coil unit is configured to generate a magnetic field gradient for position encoding during imaging. The radio frequency antenna unit is configured to emit radio frequency pulses and / or excitation pulses for generating magnetic resonance signals.

[0012] For magnetic resonance examination, a patient, especially the area of the patient to be examined, is positioned within the patient accommodation area of the magnetic resonance device. Preferably, a field of view (FOV) and / or an isocenter of the magnetic resonance device are provided within the patient accommodation area. The FOV preferably includes a detection area of the magnetic resonance device, within which there are conditions for detecting medical image data, especially magnetic resonance image data, within the patient accommodation area, such as a uniform basic magnetic field. The isocenter of the magnetic resonance device preferably includes an area and / or a point within the magnetic resonance device that has optimal and / or ideal conditions for detecting medical image data, especially magnetic resonance image data. The isocenter especially includes the most uniform magnetic field area within the magnetic resonance device.

[0013] The housing surrounding the patient accommodation area includes, for example, a load-bearing tube that cylindrically surrounds the patient accommodation area. Preferably, the radio frequency antenna unit of the magnet unit is provided on the side and / or outside of the load-bearing tube facing away from the patient accommodation area.

[0014] Preferably, the size of the cut-out, in particular the length and width of the cut-out, is coordinated with and / or matches the size of the lighting unit, in particular the length and width of the lighting unit, such that unwanted noise cannot enter the patient accommodation area between the edge of the cut-out and the lighting unit. For example, a possible gap between at least one lighting unit and the housing enclosing the patient accommodation area can be less than the wavelength of the noise. Additionally, the possible gap can also be sealed.

[0015] The present utility model can advantageously provide simple and direct illumination of the intervention area within the patient accommodation area. Additionally, a particularly space-saving and compact arrangement of at least one lighting unit within the patient accommodation area can be achieved. Furthermore, through the cut-out, energy transmission and / or exchange of control data from the side facing away from the patient accommodation area to at least one lighting unit can also be realized, thereby also preventing, for example, the transmission by means of lines and / or cables extending through the patient accommodation area.

[0016] In particular, due to this arrangement of at least one lighting unit, the positions and / or spaces available for the patient within the patient accommodation area remain unrestricted. This can also reduce and / or prevent damage to the lighting unit, for example, caused by an intervention procedure within the patient accommodation area.

[0017] In an advantageous refinement of the magnetic resonance device according to the present utility model, it can be proposed that at least one cut-out is provided in the region at the housing enclosing the patient accommodation area, where the region covers an angular range of 120° around the highest point of the housing enclosing the patient accommodation area in the circumferential direction, and where the circumferential direction of the housing enclosing the patient accommodation area includes the circumferential direction of the cross-section of the housing enclosing the patient accommodation area. Preferably, the region covers a maximum angular range of 90° in the circumferential direction of the housing enclosing the patient accommodation area. Preferably, the region covers a maximum angular range of 60° in the circumferential direction of the housing enclosing the patient accommodation area.

[0018] The design of the present utility model has the following advantages: At least one lighting unit can be incident into the patient accommodation area substantially from above. Thereby, direct illumination of especially the intervention area can also be achieved, thus providing favorable visibility for the user in said area. If the examination table is within the patient accommodation area, the support surface for supporting the patient is arranged directly opposite at least one void, and thus also at least one lighting unit, such that direct illumination of the patient accommodation area, especially the intervention area, can be achieved. In addition, a small spacing between at least one lighting unit and the intervention area can be achieved, thereby also reducing and / or preventing unwanted covering and / or shading of the light source and / or lighting element of at least one lighting unit. Thereby, safety especially during an intervention operation on a patient can also be improved.

[0019] In an advantageous refinement of the magnetic resonance device according to the present utility model, it can be provided that at least one lighting unit has a pot-shaped housing, which is closed at the back. The back preferably includes the side of the pot-shaped housing facing away from the patient accommodation area. The pot-shaped housing can include a circular cross-section or an oval cross-section or a rectangular cross-section here. For example, at least one lighting unit can include a length of 15 cm and a width of 5 cm, wherein the void for accommodating at least one lighting unit also includes a length of at least 15 cm and a width of at least 5 cm.

[0020] Favorable noise shielding can be achieved through the closed back, and it can be prevented that loud noise caused by at least one lighting unit undesirably enters the patient accommodation area.

[0021] In an advantageous refinement of the magnetic resonance device according to the present utility model, it can be provided that the pot-shaped housing includes a noise attenuation layer. Preferably, the noise attenuation layer is arranged at the back of the pot-shaped housing here. In addition, other housing parts of the pot-shaped housing can also include a noise attenuation layer. The noise attenuation layer can advantageously include foam, such as hard foam made of polyurethane, and / or other materials that are meaningful to those skilled in the art. In this way, favorable noise shielding can also be achieved, and it can be prevented that loud noise caused by at least one lighting unit undesirably enters the patient accommodation area.

[0022] In an advantageous refinement of the magnetic resonance device according to the present utility model, it can be provided that at least one lighting unit includes a light-transmissive cover, which is arranged at the front side of at least one lighting unit. The light-transmissive cover is preferably made transparent. In this way, at least one lighting unit can advantageously resist contamination and / or dirt, especially contamination caused by the patient, for example when the patient coughs within the patient accommodation area. In addition, simple cleaning of the patient accommodation area with at least one lighting unit can also be achieved in this way.

[0023] In an advantageous refinement of the magnetic resonance device according to the present invention, it can be provided that a light-transmissive cover is detachably arranged at the can-shaped housing of at least one lighting unit. Here, the cover can include fastening elements which are configured for detachably fastening between the cover and the can-shaped housing. The fastening elements can, for example, include screws and / or hooks and / or locking elements and / or other fastening elements which are meaningful to a person skilled in the art. Here, the can-shaped housing can also have fastening elements which cooperate with the fastening elements. In this way, simple access to the lighting unit can be provided, for example for replacing the light source and / or lighting elements of the lighting unit and / or for repair work.

[0024] In an advantageous refinement of the magnetic resonance device according to the present invention, it can be provided that at least one lighting unit has a structural height which substantially corresponds to the thickness of the housing surrounding the patient accommodation area. Preferably, the structural height includes the height of the can-shaped housing. This design has the advantage that at least one lighting unit can be integrated particularly space-savingly in the housing surrounding the patient accommodation area. Here, in particular, contact with and / or obstruction of other units, such as a radio frequency antenna unit, arranged on the side of the housing surrounding the patient accommodation area facing away from the patient accommodation area can be advantageously prevented.

[0025] In an advantageous refinement of the magnetic resonance device according to the present invention, it can be provided that at least one lighting unit has a radiation direction, wherein the radiation direction is adjustable. The radiation direction is preferably defined and / or delimited by the radiation angle of the lighting unit and / or the central axis of the emitted light cone. The setting of the radiation direction can be carried out manually directly at the lighting unit, for example by manually rotating the lighting unit within a cut-out. Here, for example, the lighting unit can be rotated about the longitudinal axis and / or the transverse axis of the cut-out. It is also conceivable that the magnetic resonance device or the lighting unit has a lighting control unit by means of which it is possible to automatically set the radiation direction.

[0026] The design according to the present invention has the following advantages: The light emitted by at least one lighting unit can be directly set, for example, onto an intervention area. Thereby, good visibility of the intervention area can be achieved for the doctor. In addition, the risk to the patient during the intervention procedure can also be reduced.

[0027] In an advantageous refinement of the magnetic resonance apparatus according to the present utility model, it can be provided that the magnet unit has a radio-frequency antenna unit, wherein the radio-frequency antenna unit is arranged on the side of the housing surrounding the patient receiving region facing away from the patient receiving region, and wherein, in the longitudinal extension of the patient receiving region, at least one lighting unit is arranged outside the region covered by the radio-frequency antenna unit. The region covered by the radio-frequency antenna unit preferably relates to the middle region of the housing surrounding the patient receiving unit in the longitudinal direction and / or in the z-direction here. The radio-frequency antenna unit has, for example, a length of approximately 50 cm in the longitudinal extension of the patient receiving region and is arranged centrally in the longitudinal direction of the patient receiving region on the housing surrounding the patient receiving region, in particular on the side of the housing surrounding the patient receiving region facing away from the patient receiving region. Thereby, at least one lighting unit is arranged upstream or downstream of the radio-frequency antenna unit in the longitudinal direction of the patient receiving region. In this way, an undesired coupling of at least one lighting unit with the radio-frequency field emitted by the radio-frequency antenna unit can be advantageously prevented. Here, in particular, interference-free operation of the radio-frequency antenna unit together with the lighting unit can be achieved.

[0028] In an advantageous refinement of the magnetic resonance apparatus according to the present utility model, it can be provided that the magnetic resonance apparatus has two or more lighting units, which are arranged on the housing surrounding the patient receiving region. For example, the magnetic resonance apparatus can have four lighting units. In addition, two lighting units can be arranged parallel to each other respectively in the transverse extension of the patient receiving region. In this way, an advantageous illumination of the patient receiving region, in particular the intervention region, can be provided. In particular, by distributing two or more lighting units on the housing surrounding the patient receiving region, a large area can be illuminated.

[0029] In an advantageous refinement of the magnetic resonance apparatus according to the present utility model, it can be provided that at least one lighting unit includes two or more lighting elements configured as LEDs. Preferably, at least one lighting unit includes a circuit board on which two or more lighting elements, in particular LEDs, are arranged. For example, each lighting element can include an SMD-LED (Surface-Mounted-Device-LED). In addition, other design options for the lighting elements and / or LEDs can be envisaged at any time. Here, at least one of the lighting elements can also include LEDs that emit light of different colors.

[0030] Preferably, at least one lighting unit has at least five lighting elements, in particular LEDs. Preferably, at least one lighting unit has at least ten lighting elements, in particular LEDs. Preferably, at least one lighting unit has at least 15 lighting elements, in particular LEDs. Preferably, at least one lighting unit has at least 20 lighting elements, in particular LEDs. Preferably, at least one lighting unit has at least 25 lighting elements, in particular LEDs. Preferably, at least one lighting unit has at least 30 lighting elements, in particular LEDs. Preferably, at least one lighting unit has at least 35 lighting elements, in particular LEDs. Preferably, at least one lighting unit has at least 40 lighting elements, in particular LEDs. Preferably, at least one lighting unit has at least 45 lighting elements, in particular LEDs. Preferably, at least one lighting unit has at least 50 lighting elements, in particular LEDs. For example, 50 lighting elements can be arranged on a circuit board of the lighting unit having a length of approximately 15 cm and a width of approximately 4 cm.

[0031] The design of the present utility model has the following advantages: By using a plurality of lighting elements, in particular LEDs, the patient accommodation area, in particular the possible intervention area within the patient accommodation area, can be illuminated particularly brightly for an intervention and / or surgery.

[0032] In an advantageous refinement of the magnetic resonance device according to the present utility model, it can be provided that at least one lighting element comprises a UV-LED. Preferably, the UV-LED is configured to emit UV light. Preferably, the UV-LED comprises a UV-C-LED configured to emit UV-C light. In this way, in addition to advantageously illuminating the patient accommodation area, disinfection of the patient accommodation area with UV-C light can also be simply and cost-effectively achieved.

[0033] In an advantageous refinement of the magnetic resonance device according to the present utility model, it can be provided that the magnetic resonance device has a lighting control unit, by means of which the brightness of at least one lighting unit can be set. Here, the control of the brightness can be configured such that only a common setting for all lighting units is feasible. It is also conceivable that it is feasible to set the brightness individually for each lighting unit. The design of the present utility model has the following advantages: The brightness can be matched to the current situation within the patient accommodation area. In particular, for example, a high brightness can be set for an intervention and the brightness can be reduced after the intervention is completed in order to reduce the patient's dazzle during a magnetic resonance examination.

[0034] The lighting control unit may include a computing module and / or a processor here. Here, the components of the lighting control unit may mostly be formed in the form of software components. However, in principle, especially when it comes to particularly fast calculations, the components may also be partially implemented in the form of software-supported hardware components, such as in the form of an FPGA or the like. In addition, the lighting control unit may include a control circuit.

[0035] In an advantageous refinement of the magnetic resonance device according to the present invention, it can be provided that at least one lighting unit has at least one fastening element for detachably fastening to the housing surrounding the patient accommodation area, wherein at least one fastening element is arranged in a pot-shaped housing. Here, the detachable fastening should in particular be understood as meaning that at least one fastening element can be removed from the housing surrounding the patient accommodation area, as may be the case, for example, during maintenance and / or when replacing at least one lighting unit. In particular, at least one fastening element is configured such that at least one lighting unit can be reinstalled and / or reinserted into the cutout in the housing surrounding the patient accommodation area by means of at least one fastening element.

[0036] The simple removal of at least one lighting element can advantageously be achieved by the design of the present invention. Here, the access to and / or the accessibility of at least one fastening element can be provided by the patient accommodation area and the pot-shaped housing of the lighting unit. In particular, the removal and / or disassembly of at least one lighting unit can be carried out directly and, for example, does not require the additional removal of the housing surrounding the patient accommodation area. In addition, this enables a time-saving and cost-effective installation and / or disassembly of at least one lighting unit.

[0037] In an advantageous refinement of the magnetic resonance device according to the present invention, it can be provided that at least one fastening element has a moving element with a locking mechanism. The moving element is preferably configured for manual operation. In particular, no additional tools are required to operate the moving element. By means of the moving element, the fastening element can be moved by a user, such as a maintenance technician, into a fastening position, for example for mounting and / or inserting a lighting unit at the housing surrounding the patient accommodation area. Furthermore, for disassembling and / or removing the lighting unit, the moving element can be moved by the user into a non-fastening position. The locking mechanism is preferably arranged in at least one lighting unit, in particular in the area of at least one lighting unit surrounded by a pot-shaped housing. By means of the locking mechanism, the position of the moving element and thus the position of the fastening element relative to the housing surrounding the patient accommodation area can be advantageously fixed, thus fixing the position of at least one lighting unit in the cutout of the housing surrounding the patient accommodation area. At least one moving element is preferably arranged in at least one lighting unit such that the lighting elements of the lighting unit are not covered. For example, at least one moving element can be arranged in the lighting unit on the side of the circuit board on which the individual lighting elements of the lighting unit are arranged and which faces away from the patient accommodation area.

[0038] In an advantageous refinement of the magnetic resonance device according to the present invention, it can be provided that at least one fastening element has a tab-shaped clamping element, wherein the tab-shaped clamping element clamps at least one lighting unit in a position to the housing surrounding the patient accommodation area, and wherein the tab-shaped clamping element can be set to a clamping position by means of a moving element. In this way, fastening at the housing surrounding the patient accommodation area can be carried out by means of the tab-shaped clamping element, and additional fastening elements for the housing surrounding the patient accommodation area can be dispensed with. In particular, a simple arrangement and / or integration of at least one lighting unit at the housing surrounding the patient accommodation area can be achieved.

[0039] In an advantageous refinement of the magnetic resonance device according to the present invention, it can be provided that the tab-shaped clamping element is configured to taper. Here, preferably, the region of the tab-shaped clamping element facing the moving element has a larger cross-section than the cross-section of the region of the tab-shaped clamping element facing away from the moving element. The design of the present invention has the advantage that tolerances in the thickness of the housing surrounding the patient accommodation area can be advantageously compensated for when fastening at least one lighting unit.

[0040] In an advantageous refinement of the magnetic resonance device according to the present invention, it can be provided that in the fastening position of at least one lighting unit to the housing surrounding the patient accommodation area, tab-shaped clamping elements project from the housing of at least one lighting unit, and in the non-fastening position of at least one lighting unit to the housing surrounding the patient accommodation area, the tab-shaped clamping elements are arranged in the area surrounded by the housing of at least one fastening unit. Preferably, in the non-fastening position, the tab-shaped clamping elements are arranged almost completely within the area surrounded by the housing. This enables the simple insertion of at least one lighting unit into the cutout in the housing surrounding the patient accommodation area for mounting at least one lighting unit. In addition, in particular, at least one lighting unit is configured compactly and space-savingly in the non-fastening position. Another advantage is that all components required for fastening are already present in the area surrounded by the housing in the non-fastening position of at least one lighting unit.

[0041] In an advantageous refinement of the magnetic resonance device according to the present invention, it can be provided that at least one lighting unit has at least two fastening elements. In this way, the lighting unit can be fixed to the housing surrounding the patient accommodation area at at least two locations. In addition, it is also possible to advantageously prevent the lighting unit from undesirably detaching from the housing surrounding the patient accommodation area, for example due to the vibration of the housing surrounding the patient accommodation area. The number of fastening elements of the lighting unit is preferably related to the size and / or shape of the lighting unit. For example, a lighting unit having a circular shape can already be fastened reliably in a circular cutout with three fastening elements. For a rectangular shape of the lighting unit, at least three fastening elements, particularly advantageously four fastening elements, are advantageous for reliable fastening. For example, fastening elements for fastening to the housing surrounding the patient accommodation area can be provided in each corner area of the lighting unit.

[0042] In an advantageous refinement of the magnetic resonance device according to the present invention, it can be provided that at least one lighting unit has at least one fastening element for detachably fastening to the housing surrounding the patient accommodation area, wherein at least one fastening element is arranged on the side of the housing surrounding the patient accommodation area facing away from the patient accommodation area. For example, at least one fastening element can include a fastening plate that completely covers the cutout. Here, the housing and / or the circuit board of the lighting unit are preferably connected and / or fastened to the fastening element for fixing the lighting unit. Here, the fastening plate can be clamped and / or screwed and / or can be locked to the housing and / or the circuit board of the lighting unit. This enables reliable fastening of the lighting unit. Description of the Drawings

[0043] Other advantages, features and details of the present invention result from the embodiments described below and from the drawings.

[0044] The drawings show:

[0045] Figure 1 A magnetic resonance apparatus having a plurality of lighting units according to the present invention is shown in a schematic view,

[0046] Figure 2 A patient accommodation area having a plurality of lighting units is shown in a cross-sectional view,

[0047] Figure 3 A first embodiment of the lighting unit is shown in a side view,

[0048] Figure 4 Shown Figure 3 The top view of the lighting unit in

[0049] Figure 5 An alternative embodiment of the lighting unit is shown in a side view, and

[0050] Figure 6 Shown in a top view Figure 5 The embodiment in Detailed Description

[0051] In Figure 1 A magnetic resonance apparatus 10 is schematically shown. The magnetic resonance apparatus 10 includes a magnet unit 11 with a basic magnet 12, a gradient coil unit 13, and a radio frequency antenna unit 14. In addition, the magnetic resonance apparatus 10 has a patient accommodation area 15 for accommodating a patient 16. In the present embodiment, the patient accommodation area 15 is configured cylindrically and is cylindrically surrounded by the magnet unit 11 in the circumferential direction. However, in principle, different configurations of the patient accommodation area 15 can be envisaged at any time. In addition, the magnet unit 11 has a housing 17 that surrounds the patient accommodation area 15. The housing 17 that surrounds the patient accommodation area 15 preferably includes a load-bearing tube that cylindrically surrounds the patient accommodation area 15. The radio frequency antenna unit 14 of the magnet unit 11 is preferably provided on the side of the load-bearing tube facing away from the patient accommodation area 15. In an alternative design, the housing 17 that surrounds the patient accommodation area 15 can also include the side of the radio frequency antenna unit 14 facing the patient accommodation area 15.

[0052] The patient 16 can be pushed and / or moved into the patient accommodation area 15 by means of the patient support device 18 of the magnetic resonance apparatus 10. The patient support device 18 has an examination table 19 designed to be movable within the patient accommodation area 15. The examination table 19 is supported in a movable manner particularly in the longitudinal extension direction of the patient accommodation area 15 and / or in the z direction.

[0053] The basic magnet 12 of the magnet unit 11 includes a superconducting basic magnet 12 for generating a strong and especially constant basic magnetic field 20. The gradient coil unit 13 of the magnet unit 11 is configured to generate a magnetic field gradient for position encoding during imaging. The gradient coil unit 13 is controlled by the gradient control unit 21 of the magnetic resonance device 10. The radio-frequency antenna unit 14 of the magnet unit 11 is configured to excite the polarization occurring in the basic magnetic field 20 generated by the basic magnet 12. The radio-frequency antenna unit 14 is controlled by the radio-frequency antenna control unit 22 of the magnetic resonance device 10 and projects a radio-frequency magnetic resonance sequence into the patient accommodation area 15 of the magnetic resonance device 10.

[0054] For controlling the basic magnet 12, the gradient control unit 21 and for controlling the radio-frequency antenna control unit 22, the magnetic resonance device 10 has a system control unit 23. The system control unit 23 centrally controls the magnetic resonance device 10, for example, the execution of a pre-determined imaging gradient echo sequence. In addition, the system control unit 23 includes an evaluation unit (not shown in detail) for evaluating medical image data, which is detected during a magnetic resonance examination.

[0055] Furthermore, the magnetic resonance device 10 includes a user interface 24 connected to the system control unit 23. Control information, such as imaging parameters and reconstructed magnetic resonance images, can be displayed for a medical operator on the display unit 25 of the user interface 24, for example, on at least one monitor. In addition, the user interface 24 has an input unit 26 by means of which information and / or parameters can be input by the medical operator during the measurement process.

[0056] For illuminating the patient accommodation area 15, the magnetic resonance device 10 has at least one lighting unit 30, which is arranged at the housing 17 surrounding the patient accommodation area 15. In the present embodiment, the magnetic resonance device 10 has four lighting units 30, where Figure 1 and Figure 2 two of the four lighting units 30 can be seen respectively. For arranging the individual lighting units 30, the housing 17 surrounding the patient accommodation area 15 has cutouts 31 respectively. In the present embodiment, the housing 17 surrounding the patient accommodation area 15 thus has four cutouts 31. One of the lighting units 30 is arranged in each of the cutouts 31.

[0057] As in Figure 1As can be seen, the lighting units 30 are arranged in regions 32, 33 at the housing 17 surrounding the patient accommodation region 15, which regions are arranged outside the region 35 covered by the radio frequency antenna unit 14 on the longitudinal extension 34 of the patient accommodation region 15. The radio frequency antenna unit 14 is arranged at the housing 17 surrounding the patient accommodation region 15 on the side facing away from the patient accommodation region 15 and covers the intermediate region 35 at the housing 17 surrounding the patient accommodation region 15. Two of the four lighting units 30 are arranged in the front region 32 at the housing 17 surrounding the patient accommodation region 15, and two of the four lighting units 30 are arranged in the rear region 33 at the housing 17 surrounding the patient accommodation region 15. In Figure 2 As can be seen, two of the lighting units 30 are arranged parallel to each other in the front region 32 at the housing 17 surrounding the patient accommodation region 15. Furthermore, the lighting units 30 are also arranged parallel to each other in the rear region 30 at the housing 17 surrounding the patient accommodation region 15.

[0058] The cutout 31 is arranged at the housing 17 surrounding the patient accommodation region 15 such that light impinges from above on the patient 16 and / or the intervention region. Here, the cutout 31 is arranged in a region of the housing 17 surrounding the patient accommodation region 15, wherein the region covers a maximum angular range 36 of 120° around the highest point at the housing 17 surrounding the patient accommodation region 15 in the circumferential direction 37. Preferably, the region covers a maximum angular range 36 of 90° at the housing 17 surrounding the patient accommodation region 15 in the circumferential direction 37. Preferably, the region covers a maximum angular range 36 of 60° at the housing 17 surrounding the patient accommodation region 15 in the circumferential direction 37. The circumferential direction 37 of the housing 17 surrounding the patient accommodation region 15 includes the circumferential direction 37 of the cross-section of the housing 17 surrounding the patient accommodation region 15 ( Figure 2 ).

[0059] In Figure 3 and Figure 4 a first embodiment of the lighting unit 30 is shown. Here, the embodiment relates to all four lighting units 30 which are identically constructed.

[0060] The lighting unit 30 is configured as a structural unit and has a can-shaped housing 38. The can-shaped housing 38 is configured to be closed at the back side and has a closed rear wall 39. The rear wall 39 includes a housing wall facing away from the patient accommodation area 15 here. Here, the size and shape of the cutout 31 match the size and shape of the can-shaped housing 38 of the lighting unit 30. If, for example, the can-shaped housing 38 has a circular shape, the cutout 31 is also configured circularly. In the present embodiment, the can-shaped housing 38 has a rectangular shape and the cutout 31 also has a rectangular shape. The shape of the can-shaped housing 38 matches the circuit board 40 here, on which the lighting elements 41 are arranged. In the present embodiment, the circuit board 41 is configured rectangularly and has a length of approximately 15 cm and a width of approximately 4 cm.

[0061] Furthermore, the can-shaped housing 38 has a noise attenuation layer 42, which is preferably arranged at the back side of the can-shaped housing 38. The noise attenuation layer 42 can include, for example, foam, such as rigid foam made of polyurethane, and / or other materials that are meaningful to a person skilled in the art.

[0062] Furthermore, the lighting unit 30 has a light-transmissive cover 43, which is arranged at the front side 44 of the lighting unit 30, in particular of the can-shaped housing 38. The light-transmissive cover 43 is configured here such that the surrounding edge region of the light-transmissive cover 43 lies flat on the housing 17 surrounding the patient accommodation area 15, in particular on the edge region of the housing 17 surrounding the patient accommodation area 15 that surrounds the cutout 31.

[0063] The lighting unit 30, in particular the can-shaped housing 38 of the lighting unit 30, can also have a structural height that basically corresponds to the thickness of the housing 17 surrounding the patient accommodation area 15, such that the lighting unit 30 basically does not protrude from the housing 17 surrounding the patient accommodation area 15.

[0064] The lighting unit 30 has a circuit board 40 with a plurality of lighting elements 41, where each lighting element 41 is configured as an LED respectively. Here, each LED can be configured such that the LED emits light with different wavelengths and / or colors. A part of the LEDs is also configured as UV-C-LEDs, which are configured to emit UV-C radiation. In the present embodiment, the lighting unit 30 has a total of 50 lighting elements 41, in particular LEDs, which are arranged on the circuit board 40. In an alternative design of the lighting unit 30, the lighting unit 30 can also have more than 50 lighting elements 41 or can also have less than 50 lighting elements 41.

[0065] Furthermore, the magnetic resonance system 10 has an illumination control unit 47. The illumination control unit 47 can be integrated into the system control unit 23. In the present embodiment, the illumination control unit 47 is designed separately from the system control unit 23. The illumination control unit 47 is designed to set the brightness of the illumination units 30. The illumination control unit 47 can be designed so that the brightness of all illumination units 30 can be set together or each of the illumination units 30 can be controlled individually.

[0066] Furthermore, the lighting unit 30 has a radiation direction, wherein the radiation direction is adjustable. Here, the radiation direction can be manually adjusted by a user, for example, by rotating the lighting unit 30 in the cutout 31 .

[0067] In order to arrange and / or fasten the lighting unit 30 on the housing 17 surrounding the patient accommodation area 15, the lighting unit 30 has at least one fastening element 49. In the present exemplary embodiment, the lighting unit 30 has four fastening elements 49 ( Figure 4 Each fastening element 49 is configured to detachably fasten the lighting unit 30 to the housing 17 surrounding the patient accommodation area 15. The fastening elements 49 are respectively arranged in the pot-shaped housing 38 of the lighting unit 30 ( Figure 3 ). In this case, the fastening element 49 is arranged between the circuit board 40 and the rear wall 39 of the pot-shaped housing 38 , viewed from the patient receiving area 15 .

[0068] The four fastening elements 49 are designed to be identical in structure, wherein a fastening element 49 ( Figure 4 ). The following describes the working method and structure of the fastening element 49 by way of example based on the fastening element 49.

[0069] The fastening element 49 has a displacement element 51 with a locking mechanism 52. In this case, the fastening element 40 has a locking sawtooth 53, which engages in a locking toothing 54 for positioning the fastening element 49, and the locking toothing 54 is arranged on the pot-shaped housing 38, in particular on the rear wall 39 of the pot-shaped housing 38 ( Figure 3 ). The displacement element 51 is designed for actuating the fastening element 49, in particular for moving the fastening element 49. In addition, the fastening element 49 has a web-shaped clamping element 55, which is designed to taper. The web-shaped clamping element 55 is designed to clamp the lighting unit 30 in one position with the housing 17 surrounding the patient accommodation area 15. Here, the web-shaped clamping element 55 is placed in a fastening position and / or a clamping position by means of the displacement element 51 and fixed in the fastening position and / or the clamping position by means of the locking mechanism 52.

[0070] In the fastening position and / or clamping position of the lighting unit 30 to the housing 17 enclosing the patient accommodation area 15, the tab-shaped clamping element 55 projects from the can-shaped housing 38 of the lighting unit 30 here. Here, the tab-shaped clamping element 55 lies flat on the housing 17 enclosing the patient accommodation area 15, in particular on the edge area of the housing 17 enclosing the clearance 31 of the patient accommodation area 15. In the non-fastening position, the tab-shaped clamping element 55 is arranged within the area enclosed by the can-shaped housing 38, such that the fastening of the lighting unit 30 to the housing 17 enclosing the patient accommodation area 15 is removed.

[0071] Furthermore, the moving element 41, the locking serrations 54 and the tab-shaped clamping element 55 of the fastening element 30 are integrally and / or monolithically formed.

[0072] In Figure 5 and Figure 6 a further alternative embodiment of the lighting unit 100 is shown. Substantially identical components, features and functional principles are denoted by the same reference numerals in principle. The following description is substantially limited to the differences from the embodiments in Figure 3 and Figure 4 where reference is made to the description of the embodiments in Figure 3 and Figure 4 for the components, features and functions that remain the same.

[0073] In Figure 5 and Figure 6 the lighting unit 100 shown differs from the lighting unit 30 in Figure 3 and Figure 4 with regard to the fastening and / or arrangement of the lighting unit 100 at the housing 17 enclosing the patient accommodation area 15.

[0074] The lighting unit 100 has a fastening element 101 which is configured to detachably fasten and / or arrange the lighting unit 100 at the housing 17 enclosing the patient accommodation area 15. Here, the fastening element 101 is arranged on the side of the housing 17 enclosing the patient accommodation area 15 facing away from the patient accommodation area 15. The fastening element 101 has a fastening plate 102 which is screwed to the can-shaped housing 102 and / or the circuit board 103 of the lighting unit 100. For this purpose, the fastening element 101 also has a plurality of screw elements 105. In this embodiment, the fastening element 101 includes four screw elements 105. Here, the fastening plate 102 projects beyond the clearance 31 for accommodating the lighting unit 100. In particular, the edge area of the fastening plate 102 lies flat on the edge area of the housing 17 enclosing the clearance 31 of the patient accommodation area 15.

[0075] Another mode of operation and design of the lighting unit 100 corresponds here to thatFigure 3 and Figure 4 described embodiments

[0076] The magnetic resonance device 10 shown, of course, may include other components that a magnetic resonance device 10 typically has. In addition, the general mode of operation of the magnetic resonance device 10 is known to those skilled in the art, such that a detailed description of other components is omitted.

[0077] Although the details of the present utility model have been described in detail through preferred embodiments, the present utility model is not limited by the disclosed examples, and other variant solutions can be derived therefrom by those skilled in the art without departing from the protection scope of the present utility model.

Claims

1. A magnetic resonance device, comprising: a magnet unit; a patient receiving area at least partially surrounded by the magnet unit, the patient receiving area being designed to receive a patient for a magnetic resonance examination, wherein the magnet unit has a housing surrounding the patient receiving area; and at least one lighting unit configured to illuminate the patient accommodation area, It is characterized in that The housing surrounding the patient receiving area has at least one recess, in which the at least one lighting unit is arranged.

2. The magnetic resonance device according to claim 1, It is characterized in that The at least one recess is arranged in an area of ​​the shell surrounding the patient accommodation area, wherein the area covers an angular range of a maximum of 120° around a highest point of the shell surrounding the patient accommodation area in a circumferential direction, and wherein the circumferential direction of the shell surrounding the patient accommodation area includes the circumferential direction of a cross section of the shell surrounding the patient accommodation area.

3. The magnetic resonance device according to claim 1 or 2, It is characterized in that The at least one lighting unit has a pot-shaped housing which is designed to be closed on the rear side.

4. The magnetic resonance device according to claim 3, It is characterized in that The pot-shaped housing includes a noise-attenuating layer.

5. The magnetic resonance device according to claim 3, It is characterized in that The at least one lighting unit includes a light-permeable cover disposed at a front side of the at least one lighting unit.

6. The magnetic resonance device according to claim 5, It is characterized in that The light-permeable cover is arranged on the pot-shaped housing of the at least one lighting unit in a removable manner.

7. The magnetic resonance device according to claim 1 or 2, It is characterized in that The at least one lighting unit has a structural height which substantially corresponds to the thickness of the housing surrounding the patient receiving area.

8. The magnetic resonance device according to claim 1 or 2, It is characterized in that The at least one lighting unit has an emission direction, wherein the emission direction is adjustable.

9. The magnetic resonance device according to claim 1 or 2, It is characterized in that The magnet unit has a radio frequency antenna unit, wherein the radio frequency antenna unit is arranged on a side of the housing surrounding the patient accommodation area facing away from the patient accommodation area, wherein in the longitudinal extension of the patient accommodation area, the at least one lighting unit is arranged outside the area covered by the radio frequency antenna unit.

10. The magnetic resonance device according to claim 1 or 2, It is characterized in that Two or more lighting units are provided, which are arranged on the housing surrounding the patient accommodation area.

11. The magnetic resonance device according to claim 1 or 2, It is characterized in that The at least one lighting unit comprises two or more lighting elements designed as LEDs.

12. The magnetic resonance device according to claim 11, It is characterized in that At least one lighting element comprises a UV-LED.

13. The magnetic resonance device according to claim 1 or 2, It is characterized in that A lighting control unit is provided, wherein the brightness of the at least one lighting unit can be set by means of the lighting control unit.

14. The magnetic resonance apparatus according to claim 3, It is characterized in that The at least one lighting unit has at least one fastening element for detachable fastening to the housing surrounding the patient receiving area, wherein the at least one fastening element is arranged in the pot-shaped housing of the lighting unit.

15. The magnetic resonance device according to claim 14, It is characterized in that The at least one fastening element has a displacement element with a locking mechanism.

16. The magnetic resonance device according to claim 15, It is characterized in that The at least one fastening element has a web-shaped clamping element, wherein the web-shaped clamping element clamps the at least one lighting unit in one position with the housing surrounding the patient receiving area, wherein the web-shaped clamping element can be moved into the clamping position by means of the displacement element.

17. The magnetic resonance device according to claim 16, It is characterized in that The web-shaped clamping element is designed to taper.

18. The magnetic resonance apparatus according to claim 16, It is characterized in that In a fastened position of the at least one lighting unit with the shell surrounding the patient accommodation area, the web-shaped clamping element protrudes from the housing of the at least one lighting unit, and in a non-fastened position of the at least one lighting unit with the shell surrounding the patient accommodation area, the web-shaped clamping element is arranged in the area surrounded by the housing of the at least one lighting unit.

19. The magnetic resonance apparatus according to claim 14, It is characterized in that The at least one lighting unit has at least two fastening elements.

20. The magnetic resonance device according to claim 1 or 2, It is characterized in that The at least one lighting unit has a fastening element for detachable fastening to the housing surrounding the patient receiving area, wherein the fastening element is arranged on a side of the housing surrounding the patient receiving area facing away from the patient receiving area.

21. The magnetic resonance apparatus according to claim 20, It is characterized in that The fastening element has a fastening plate which is detachably fastened to a housing and / or a circuit board of the at least one lighting unit.

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