Chamber structure for magnetic resonance imaging and magnetic resonance equipment

Abstract

The utility model provides a chamber structure used for magnetic resonance imaging and magnetic resonance equipment, the chamber structure comprises a first housing part, a second housing part, a body coil and a lighting device, the first housing part is provided with a chamber inlet, and the second housing part is provided with a chamber outlet; the body coil is arranged between the first shell part and the second shell part, a containing cavity is formed in the body coil, and the two ends of the containing cavity are communicated with the cavity inlet and the cavity outlet respectively to form a channel for the scanning bed to go in and out; the lighting device is arranged in the channel to provide lighting for the interior of the channel; the brightness of the lighting device changes in the direction from the cavity inlet to the cavity outlet, so that discomfort of eyes of a patient when the scanning bed enters from the cavity inlet and moves out from the cavity outlet is reduced. The cavity structure can improve discomfort of eyes of a patient when the patient enters and exits from the channel, so that scanning experience of the patient can be improved, and discomfort and anxiety of the patient in the scanning process are reduced.

Description

Technical Field

[0001] The utility model relates to the field of magnetic resonance equipment, and particularly relates to a chamber structure for magnetic resonance imaging and a magnetic resonance equipment. Background Art

[0002] Currently, magnetic resonance equipment usually sets up lighting devices in the scanning channel area to illuminate the inside of the scanning channel, thereby reducing the claustrophobia brought to patients by the narrow scanning space when patients pass through the channel and improving the scanning comfort of patients.

[0003] Although the layout and light of the lighting device at the current scanning channel can improve the comfort of patient scanning to a certain extent, when patients enter and exit the scanning channel, their eyes usually feel a relatively strong change in bright and dark light, and it is easy to have eye discomfort, such as the glare effect of "black frame" or "white frame", which will cause the patient's vision to be blurred and accompanied by a sense of dizziness, affecting the patient's scanning experience and increasing the discomfort and anxiety during the patient's scanning process. Summary of the Utility Model

[0004] In view of the above disadvantages of the prior art, the utility model provides a chamber structure for magnetic resonance imaging and a magnetic resonance equipment to improve the technical problem of eye discomfort caused by strong bright and dark light changes when patients enter and exit the channel, thereby reducing the patient's scanning experience.

[0005] To achieve the above object and other related objects, the utility model provides a chamber structure for magnetic resonance imaging, which includes: a first housing part, a second housing part, a body coil and a lighting device; the first housing part forms a chamber entrance, the second housing part forms a chamber exit, the body coil is arranged between the first housing part and the second housing part, the body coil forms a receiving cavity, and both ends of the receiving cavity are communicated with the chamber entrance and the chamber exit respectively to form a channel for the scanning bed to enter and exit; the lighting device is arranged in the channel to provide lighting for the inside of the channel; wherein, in the direction from the chamber entrance to the chamber exit, the brightness of the lighting device changes to reduce the discomfort of the patient's eyes when the scanning bed enters from the chamber entrance and exits from the chamber exit.

[0006] In an example of the chamber structure of the utility model, in the direction from the chamber entrance to the chamber exit, the channel includes a first section, a second section and a third section connected in sequence, the second section is located in the central area of the channel and at least includes a scanning area; the brightness of the second section is less than that of the first section and the third section.

[0007] In an example of the chamber structure of the utility model, the lighting device includes a plurality of lighting lamps, the plurality of lighting lamps are respectively arranged in the first section, the second section and the third section, and the brightness of the lighting lamps located in the second section is less than that of the lighting lamps located in the first section and the third section.

[0008] In an example of the chamber structure of the present utility model, the lighting device includes a plurality of lighting lamps, wherein a part of the lighting lamps are arranged in the first section, and another part of the lighting lamps are arranged in the third section; the lighting area of the lighting lamps in the first section at least partially covers the second section, and the lighting area of the lighting lamps in the third section at least partially covers the second section.

[0009] In an example of the chamber structure of the present utility model, the first section includes an inlet section and a first transition section connected to each other. The first transition section is close to the second section, and the brightness of the lighting device in the channel gradually decreases from the inlet to the second section.

[0010] In an example of the chamber structure of the present utility model, the lighting device includes a plurality of lighting lamps. The inlet section and the first transition section are respectively provided with lighting lamps, and the brightness of the lighting lamp located in the inlet section is greater than that of the lighting lamp located in the first transition section.

[0011] In an example of the chamber structure of the present utility model, the third section includes an outlet section and a second transition section connected to each other. The second transition section is close to the second section, and the brightness of the lighting device in the channel gradually decreases from the outlet to the second section.

[0012] In an example of the chamber structure of the present utility model, the lighting device includes a plurality of lighting lamps. The outlet section and the second transition section are respectively provided with lighting lamps, and the brightness of the lighting lamp located in the outlet section is greater than that of the lighting lamp located in the second transition section.

[0013] In an example of the chamber structure of the present utility model, the lighting device includes a plurality of lighting lamps. The plurality of lighting lamps are arranged along the extending direction of the channel, and the lighting lamps located in the first section and the lighting lamps located in the third section are symmetric about the symmetric cross-section of the second section.

[0014] In an example of the chamber structure of the present utility model, the lighting device includes a light strip. The light strip extends along the length direction of the channel, and the brightness of the light strip gradually decreases from the first section to the second section and gradually increases from the second section to the third section.

[0015] In an example of the chamber structure of the present utility model, the lighting device is configured to change the brightness along with the movement of the scanning bed, so that the eyes of the patient can perceive the same brightness that matches the external environment when moving in the channel.

[0016] In an example of the chamber structure of the present utility model, the body coil further includes a photometric sensor for detecting the change of the brightness of the external environment of the channel. The photometric sensor is electrically connected to the lighting device, so that the brightness of the lighting device in the first section and the third section matches the brightness of the external environment of the channel.

[0017] The present utility model further provides a magnetic resonance device, including the chamber structure for magnetic resonance imaging in any of the above examples.

[0018] In the chamber structure for magnetic resonance imaging provided by the present utility model, an illumination device for providing illumination inside the channel is arranged inside the chamber, and the brightness of the illumination device changes in the direction from the chamber entrance to the chamber exit, so as to reduce the discomfort of the patient's eyes during the movement of the scanning bed. Such a setting can achieve the brightness change of the channel in different regions, improve the discomfort of the patient's eyes during the movement of the scanning bed, reduce the probability of the patient having blurred vision and dizziness due to visual discomfort, thereby improving the scanning comfort of the patient and reducing the discomfort and anxiety of the patient during the scanning process. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for describing the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0020] Figure 1 It is a schematic diagram of the distribution positions of each section in the channel in an embodiment of the chamber structure of the present utility model;

[0021] Figure 2 It is a schematic diagram of the position when the scanning bed is located at the channel entrance with a lighting lamp arranged in the channel in an embodiment of the chamber structure of the present utility model;

[0022] Figure 3 It is a schematic diagram of the position when the scanning bed is located at the channel exit with a lighting lamp arranged in the channel in an embodiment of the chamber structure of the present utility model;

[0023] Figure 4 It is a schematic diagram of the structure of the illumination device as a light strip in an embodiment of the chamber structure of the present utility model.

[0024] DESCRIPTION OF REFERENCE NUMERALS

[0025] 10. Chamber structure; 101. First housing part; 1011. Chamber inlet; 102. Second housing part; 1021. Chamber outlet; 11. Body coil; 111. Accommodation cavity; 12. Channel; 123. First section; 1231. Inlet section; 1232. First transition section; 124. Second section; 125. Third section; 1251. Outlet section; 1252. Second transition section; 13. Lighting device; 132. Lighting lamp; 1321. First lighting lamp; 1322. Second lighting lamp; 1323. Third lighting lamp; 1324. Fourth lighting lamp; 1325. Fifth lighting lamp; 133. Light strip; 1331. First brightness area; 1332. Second brightness area; 1333. Third brightness area; 1334. Fourth brightness area; 1335. Fifth brightness area; 20. Scanning bed. Detailed implementation mode

[0026] The following specific examples illustrate the implementation modes of the present utility model. Those skilled in the art can easily understand other advantages and effects of the present utility model from the content disclosed in this specification. The present utility model can also be implemented or applied through other different specific implementation modes. Various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of the present utility model. It should be noted that, without conflict, the following embodiments and the features in the embodiments can be combined with each other. It should also be understood that the terms used in the embodiments of the present utility model are for describing specific specific implementation schemes, rather than for limiting the protection scope of the present utility model. The test methods without specific conditions noted in the following embodiments are usually in accordance with conventional conditions or in accordance with the conditions recommended by each manufacturer.

[0027] When an embodiment gives a numerical range, it should be understood that unless otherwise stated in the present utility model, any value between the two endpoints of each numerical range and any one of the two endpoints can be selected. Unless otherwise defined, all technical and scientific terms used in the present utility model, based on the understanding of those skilled in the art of the prior art and the description of the present utility model, can also use any methods, devices, and materials of the prior art similar or equivalent to those described in the embodiments of the present utility model to implement the present utility model.

[0028] It should be noted that the terms such as "upper", "lower", "left", "right", "middle", and "one" cited in this specification are only for the convenience of clear narration, rather than for limiting the scope of implementation of the present utility model. The change or adjustment of their relative relationships, without substantial change in technical content, should also be regarded as the scope of implementation of the present utility model.

[0029] This application provides a chamber structure 10 for magnetic resonance imaging and a magnetic resonance device. Please refer to Figures 1 to 4, in the chamber structure 10 provided by the present utility model, a plurality of lighting devices 13 are arranged in the channel 12. By controlling the brightness of the lighting devices 13 in different regions, the brightness change of the channel 12 in different regions can be achieved. At the same time, due to the direction from the chamber entrance 1011 to the chamber exit 1021 (the moving direction of the scanning bed 20), the brightness of the plurality of lighting devices 13 changes. Therefore, the discomfort of the patient's eyes can be alleviated during the movement of the scanning bed 20, thereby improving the scanning comfort of the patient and reducing the discomfort and anxiety of the patient during the scanning process.

[0030] Please refer to Figures 1 to 3 , the chamber structure 10 includes: a first housing portion 101, a second housing portion 102, a body coil 11, and a lighting device 13. The first housing portion 101 is formed with a chamber entrance 1011, and the second housing portion 102 is formed with a chamber exit 1021. The body coil 11 is disposed between the first housing portion 101 and the second housing portion 102, that is, along the length direction of the body coil 11, both ends of the body coil 11 are respectively connected to the first housing portion 101 and the second housing portion 102. The body coil 11 forms a receiving cavity 111, and both ends of the receiving cavity 111 in the length direction are respectively communicated with the chamber entrance 1011 and the chamber exit 1021 to form a channel 12 for the scanning bed 20 to enter and exit. The shape of the channel 12 can be cylindrical, cuboid, or polyhedral, etc. Along the length direction of the channel 12, the channel 12 can be provided with an equal cross-section or an unequal cross-section, as long as it can enable the scanning bed 20 to enter and exit and meet the scanning requirements of the patient on the scanning bed 20. Preferably, in this embodiment, the channel 12 is an approximately cylindrical structure, and such a setting facilitates the forming and manufacturing of the channel 12 on the chamber structure 10. The chamber entrance 1011 and the chamber exit 1021 can be a flared structure or a regular cylindrical hole structure. Preferably, in this embodiment, the chamber entrance 1011 is a flared structure, and the end with a larger cross-section of the flared opening faces the outside of the channel 12, and the chamber exit 1021 is a cylindrical hole structure. The setting of the flared chamber entrance 1011 can reduce the probability of interference between the scanning bed 20 and the wall of the channel 12 when the scanning bed 20 enters the channel 12.

[0031] The lighting device 13 is disposed inside the body coil 11 to provide illumination inside the channel 12. The specific setting position of the lighting device 13 is not limited. For example, the lighting device 13 can be disposed on the inner wall of the channel 12, and the light generated by the lighting directly irradiates into the channel 12; or the lighting device 13 can be disposed on the outer wall of the channel 12, and the wall of the channel 12 at the corresponding position of the lighting device 13 is made of a light-transmitting material, and the light emitted by the lighting device 13 irradiates into the channel 12 after passing through the wall of the channel 12. Preferably, please refer to Figure 2 and Figure 3, in this embodiment, the lighting device 13 is arranged on the inner wall of the channel 12, which facilitates the selection of the material of the channel 12 and can ensure the brightness of the light in the channel 12.

[0032] The lighting device 13 includes a plurality of light sources, and the brightness change of the lighting device 13 can be achieved by adjusting the brightness of the light sources. The light sources can be any light sources that meet the lighting brightness requirements, such as surface light sources, linear light sources, etc. The number of light sources provided is not limited, and one or multiple light sources can be set, which is specifically related to the type and installation position of the light sources. Along the moving direction of the scanning bed 20, that is, the length direction of the channel 12, the brightness of the plurality of light sources changes, that is, the brightness of the lighting device 13 changes, so as to reduce the discomfort of the patient's eyes during the movement of the scanning bed 20. There can be various ways of changing the brightness of the plurality of light sources. For example, along the moving direction of the scanning bed 20 in the channel 12, the brightness of the light source can change with the moving position of the patient's eyes, so that during the movement of the scanning bed 20, the patient's eyes can always receive a relatively comfortable brightness; it can also be along the length direction of the channel 12, so that the brightness of the light sources in the entire channel 12 is set unevenly, and the brightness of the light sources at the chamber entrance 1011 and the chamber exit 1021 is relatively large, and the brightness of the light sources in the middle area of the channel 12 is relatively small, which can reduce the discomfort of the patient's eyes during the process of entering and exiting the channel 12. In this embodiment, as long as the discomfort of the patient's eyes during the movement of the scanning bed 20 can be reduced, there is no specific limitation on the way of changing the brightness of the light sources. With such a setting, since a plurality of light sources are arranged in the channel 12, the brightness change of the channel 12 at different regions can be achieved by controlling the brightness of the light sources in different regions; further, along the moving direction of the scanning bed 20, by controlling the change of the brightness of the plurality of light sources, the patient's eyes can feel a relatively comfortable brightness change during the movement of the scanning bed 20, reducing the probability of blurred vision and dizziness caused by the patient's visual discomfort, thereby improving the scanning comfort of the patient and reducing the discomfort and anxiety of the patient during the scanning process.

[0033] Please refer to Figures 1 to 2, in an example of the chamber structure 10 of the present utility model, in the direction from the chamber inlet 1011 to the chamber outlet 1021, the channel 12 includes a first section 123, a second section 124, and a third section 125 that are sequentially connected. The second section 124 is located in the central region of the channel 12 and includes at least a scanning area. The proportional relationship between the first section 123, the second section 124, and the third section 125 in the length direction is not limited. At the same time, the correlation between the first section 123, the third section 125 and the chamber inlet 1011 and the chamber outlet 1021 is also not limited. On the premise that the second section 124 is located in the central region of the channel 12 and includes a scanning area, the first section 123, the second section 124, and the third section 125 can be evenly divided or unevenly divided along the length direction of the channel 12. The lengths of the first section 123 and the third section 125 can be the same or different. Preferably, in this embodiment, the length of the second section 124 is greater than the lengths of the first section 123 and the third section 125, and the lengths of the first section 123 and the third section 125 are substantially equal. Such a setting can facilitate the division of the first section 123 and the third section 125, and can also ensure that the second section 124 has a larger length to meet the length requirements of the scanning area. The brightness of the second section 124 is less than the brightness of the first section 123 and the third section 125. The brightness of the first section 123 and the third section 125 can be equal or unequal; the specific brightness difference between the second section 124 and the first section 123 and the third section 125 is not limited, as long as there is a brightness difference between the first section 123, the second section 124, and the third section 125 along the length direction of the channel 12, and the brightness of the second section 124 is less than the brightness of the first section 123 and the third section 125.

[0034] With such a setting, since the brightness values in the regions of the first section 123 and the third section 125 near both ends of the channel 12 are relatively large, the difference between the brightness in the chamber inlet 1011 region and the external brightness of the channel 12, and the difference between the brightness in the chamber outlet 1021 region and the external brightness of the channel 12 can be specifically reduced, and the brightness change between light and dark in the chamber inlet 1011 region and the chamber outlet 1021 region can be weakened. Thus, the visual discomfort of the patient can be alleviated, which plays a role in improving the scanning comfort of the patient and reducing the discomfort and anxiety of the patient during the scanning process. At the same time, by lowering the brightness of the second section 124, the operating power of the lighting device 13 during the scanning process can also be reduced, and thus the role of energy conservation and emission reduction can be achieved. It should be noted that under normal circumstances, the brightness in the entire channel 12 is less than the external environmental brightness of the channel 12, that is, the brightnesses of the first section 123, the second section 124, and the third section 125 are all less than the external environmental brightness of the channel 12.

[0035] Please continue to refer to Figure 1 andFigure 2 , in an example of the chamber structure 10 of the present utility model, the first section 123 includes an inlet section 1231 and a first transition section 1232 that are connected to each other. One end of the first transition section 1232 is connected to the inlet section 1231, and the other end of the first transition section 1232 is connected to one end of the second section 124 that faces away from the third section 125. In this embodiment, along the length direction of the channel 12, the length of the first transition section 1232 is greater than the length of the inlet section 1231, and the position of the inlet section 1231 corresponds to the chamber inlet 1011, that is, the chamber inlet 1011 is equivalent to the inlet section 1231. In other embodiments, the length of the first transition section 1232 may also be less than or equal to the length of the inlet section 1231. The inlet section 1231 may be such that part of it is the chamber inlet 1011 and the other part extends into the chamber area for a certain length of the accommodation chamber 111, or the inlet section 1231 may only be part of the chamber space at one end of the chamber inlet 1011 away from the accommodation chamber 111. The brightness in the channel 12 gradually decreases from the inlet section 1231 to the second section 124. For details, please refer to Figure 1 the brightness comparison diagram of each section in the channel shown in Figure 1 , where the X-axis direction represents the distribution positions of each section from the chamber inlet 1011 to the chamber outlet 1021 direction, and the Y-axis represents the magnitude of the light source brightness. The gradually decreasing manner may be that the first transition section 1232 is integrally set to one brightness, the inlet section 1231 is integrally set to another brightness, and the set brightness of the inlet section 1231 is greater than the set brightness of the first transition section 1232, so as to realize the gradual decrease of the brightness in the channel 12 from the inlet section 1231 to the second section 124; it may also be that within the range from the inlet section 1231 to the second section 124 of the channel 12, the brightness in the channel 12 gradually and continuously decreases, that is, the brightness of the inlet section 1231 and the first transition section 1232 gradually changes along their respective lengths. Such a setting can also realize the gradual decrease of the brightness in the channel 12 from the first section 123 to the second section 124. By further dividing the first section 123 into the inlet section 1231 and the first transition section 1232, and making the brightness in the channel 12 gradually decrease from the inlet section 1231 to the second section 124, this can further reduce the discomfort of the patient's eyes when passing through the area of the inlet section 1231, and at the same time, it can further optimize the brightness distribution at the inlet section 1231 of the channel 12 and further reduce the operating energy consumption of the magnetic resonance equipment. Specifically, in this embodiment, the brightness of the inlet section 1231 and the first transition section 1232 are respectively marked as the first brightness (such as the brightness shown in Figure 1 a) and the second brightness (such as the brightness shown in Figure 1 b), the brightness of the second section 124 is marked as the third brightness (such as the brightness shown in Figure 1 c), and the first brightness is greater than the second brightness, and the second brightness is greater than the third brightness.

[0036] Please continue to refer to Figure 1 and Figure 2 , in an example of the chamber structure 10 of the present utility model, the third section 125 includes an interconnected outlet section 1251 and a second transition section 1252. One end of the second transition section 1252 is connected to the outlet section 1251, and the other end of the second transition section 1252 is connected to the end of the second section 124 away from the first section 123. In this embodiment, along the length direction of the channel 12, the length of the second transition section 1252 is greater than the length of the outlet section 1251, and the position of the outlet section 1251 corresponds to the chamber outlet 1021, that is, the chamber outlet 1021 is equivalent to the outlet section 1251. In other embodiments, the length of the second transition section 1252 can also be less than or equal to the length of the outlet section 1251. The outlet section 1251 can be such that part of it is the chamber outlet 1021 and the other part extends into the chamber area for a certain length of the accommodation chamber 111, or the outlet section 1251 is only located in a part of the chamber space at the end of the chamber outlet 1021 away from the accommodation chamber 111. The brightness in the channel 12 gradually decreases from the outlet section 1251 to the second section 124. For details, please refer to Figure 1 the brightness comparison diagram of each section in the channel shown therein. The way of gradual decrease can be that the second transition section 1252 is integrally set to one brightness, the outlet section 1251 is integrally set to another brightness, and the set brightness of the outlet section 1251 is greater than the set brightness of the second transition section 1252, so as to realize the gradual decrease of the brightness in the channel 12 from the chamber outlet 1021 to the second section 124; it can also be that within the range from the chamber outlet 1021 to the second section 124, the brightness in the channel 12 gradually and continuously decreases, that is, the brightness of the outlet section 1251 and the second transition section 1252 gradually changes along their respective length directions, and this can also realize the gradual decrease of the brightness in the channel 12 from the chamber outlet 1021 to the second section 124. By further dividing the third section 125 into the outlet section 1251 and the second transition section 1252, and making the brightness in the channel 12 gradually decrease from the outlet section 1251 to the second section 124, this can further reduce the discomfort of the patient's eyes when passing through the area of the chamber outlet 1021. At the same time, it can also further optimize the brightness distribution of the channel 12 at the chamber outlet 1021 and further reduce the operating energy consumption of the magnetic resonance device. In this embodiment, the brightness of the outlet section 1251 and the second transition section 1252 are respectively marked as the fifth brightness (such as the brightness shown as e in Figure 1 ) and the fourth brightness (such as the brightness shown as d in Figure 1 ), and the fifth brightness is greater than the fourth brightness, and the fourth brightness is greater than the third brightness.

[0037] Please continue to refer to Figures 1 to 3, in an example of the chamber structure 10 of the present utility model, the lighting device 13 includes a plurality of lighting lamps 132, and each lighting lamp 132 corresponds to a light source. A light source can be a flat lamp composed of multiple lamp beads, a panel lamp composed of multiple LED lamp beads, or an incandescent lamp, an LED bulb, etc. The plurality of lighting lamps 132 are respectively arranged in the first section 123, the second section 124, and the third section 125. The brightness of the lighting lamps 132 located in the second section 124 is less than the brightness of the lighting lamps 132 located in the first section 123 and the third section 125. The number of lighting lamps 132 arranged in the first section 123, the second section 124, and the third section 125 is not limited. It can be one lighting lamp 132 arranged in each section, or multiple lighting lamps 132 can be arranged, as long as it can ensure that the brightness of the first section 123 and the third section 125 is greater than the brightness of the second section 124. In this embodiment, by arranging the lighting lamps 132 in the first section 123, the second section 124, and the third section 125, the brightness of the lighting lamps 132 located in different sections can be controlled, so that the brightness of the lighting lamps 132 located in the second section 124 is less than the brightness of the lighting lamps 132 located in the first section 123 and the third section 125. In this way, the brightness adjustment between the first section 123, the second section 124, and the third section 125 can be realized, and the adjustment method is convenient and easy to control.

[0038] In an example of the chamber structure 10 of the present utility model, the lighting device 13 includes a plurality of lighting lamps 132, each lighting lamp 132 corresponding to a light source. Among them, some lighting lamps 132 are arranged in the first section 123, and some other lighting lamps 132 are arranged in the third section 125. The lighting area of the lighting lamps 132 in the first section 123 at least partially covers the second section 124, and the lighting area of the lighting lamps 132 in the third section 125 at least partially covers the second section 124. Preferably, in an embodiment, the lighting areas of the lighting lamps 132 in the first section 123 and the third section 125 completely cover the second section 124 after combination. The brightness of the lighting lamps 132 located in the first section 123 and the brightness of the lighting lamps 132 located in the third section 125 may be equal or unequal. Preferably, in this embodiment, the brightness of the lighting lamps 132 located in the first section 123 and the second section 124 is equal. Such a setting facilitates the unification of the model specifications of the lighting lamps 132 and is conducive to standardized design. By arranging a plurality of lighting lamps 132 in the first section 123 and the third section 125 respectively, it is possible to set lighting lamps 132 only in the first section 123 and the second section 124, without setting lighting lamps 132 in the second section 124. The second section 124 can achieve lighting by means of the brightness of the lighting lamps 132 in the first section 123 and the third section 125. In this way, the brightness of the first section 123 and the third section 125 can be set to be greater than the brightness of the second section 124. Thereby, the energy consumption of the lighting lamps 132 during the scanning process can be further reduced, and the role of energy conservation and emission reduction can be further played.

[0039] Please continue to refer to Figure 2 and Figure 3 In an example of the chamber structure 10 of the present utility model, when the first section 123 includes the inlet section 1231 and the first transition section 1232 in the above embodiment, lighting lamps 132 are respectively arranged in the inlet section 1231 and the first transition section 1232. The brightness of the lighting lamps 132 located in the inlet section 1231 is greater than the brightness of the lighting lamps 132 located in the first transition section 1232. Such a setting can form a gradually decreasing brightness difference among the inlet section 1231, the first transition section 1232, and the second section 124. Thereby, the change in light brightness felt by the patient's eyes when entering the second section 124 from the inlet section 1231 can be further reduced, and the discomfort of the patient's eyes when passing through the entrance can be further reduced, improving the comfort of the patient during the scanning process. It should be noted that in this embodiment, the brightness difference between the inlet section 1231 and the first transition section 1232 may be greater than, less than, or equal to the brightness difference between the first transition section 1232 and the second section 124.

[0040] Please continue to refer to Figure 2 and Figure 3 In an example of the chamber structure 10 of the present utility model, when the third section 125 includes the outlet section 1251 and the second transition section 1252 in the above embodiment, the outlet section 1251 and the second transition section 1252 are respectively provided with lighting lamps 132, and the brightness of the lighting lamp 132 located in the outlet section 1251 is greater than the brightness of the lighting lamp 132 located in the second transition section 1252. Such a setting can form a gradually decreasing brightness difference among the outlet section 1251, the second transition section 1252, and the second section 124, so as to further reduce the gradual change of the light sensed by the patient's eyes from dark to bright during the process of the patient passing through the second transition section 1252 from the second section 124 and finally entering the outlet section 1251. Thus, the discomfort of the patient's eyes when passing through the area of the outlet section 1251 can be further reduced, and the comfort of the patient during the scanning process can be improved. It should be noted that in this embodiment, the brightness difference between the outlet section 1251 and the second transition section 1252 can be greater than the brightness difference between the second transition section 1252 and the second section 124, can also be less than the brightness difference between the second transition section 1252 and the second section 124, or can also be equal to the brightness difference between the second transition section 1252 and the second section 124.

[0041] Although under the premise of meeting the lighting brightness requirements of each section in the channel 12, the embodiments in the present application do not limit the specific installation positions of the lighting lamps 132 in the channel 12, preferably, in an example of the chamber structure 10 of the present utility model, multiple lighting lamps 132 are arranged along the extending direction of the channel 12, and the lighting lamps 132 located in the first section 123 and the lighting lamps 132 located in the third section 125 are symmetric about the symmetric cross-section of the second section 124. In this embodiment, the multiple lighting lamps 132 being symmetric about the symmetric cross-section of the second section 124 can refer to only the installation positions of the multiple lighting lamps 132 being symmetric about the symmetric cross-section of the second section 124. It can also refer to both the installation positions and the brightness of the multiple lighting lamps 132 being symmetric about the symmetric cross-section of the second section 124. Preferably, in this embodiment, the multiple lighting lamps 132 being symmetric about the symmetric cross-section of the second section 124 means that both the installation positions and the brightness of the lighting lamps 132 located in the first section 123 and the third section 125 are symmetric about the symmetric cross-section of the second section 124. Such a setting facilitates the installation and positioning of the lighting lamps 132 in the channel 12, and at the same time can further facilitate the unification of the model specifications of the lighting lamps 132, which is beneficial to the standardized design.

[0042] Please continue to refer to Figure 2 and Figure 3, specifically, in this embodiment, in the direction from the chamber inlet 1011 to the chamber outlet 1021, an illuminating lamp 132 is provided in each of the inlet section 1231, the first transition section 1232, the second section 124, the second transition section 1252, and the outlet section 1251, which are respectively marked as the first illuminating lamp 1321, the second illuminating lamp 1322, the third illuminating lamp 1323, the fourth illuminating lamp 1324, and the fifth illuminating lamp 1325. Among them, the brightness of the first illuminating lamp 1321 is greater than that of the second illuminating lamp 1322, the brightness of the second illuminating lamp 1322 is greater than that of the third illuminating lamp 1323, the brightness of the fourth illuminating lamp 1324 is greater than that of the third illuminating lamp 1323, the brightness of the fifth illuminating lamp 1325 is greater than that of the fourth illuminating lamp 1324, and the brightness of the first illuminating lamp 1321 is the same as that of the fifth illuminating lamp 1325, and the brightness of the second illuminating lamp 1322 is the same as that of the fourth illuminating lamp 1324. It should be noted that the specific brightness values of the first illuminating lamp 1321, the second illuminating lamp 1322, the third illuminating lamp 1323, the fourth illuminating lamp 1324, and the fifth illuminating lamp 1325 can be set with reference to the relatively comfortable brightness change values that the human eye can receive. In this embodiment, no specific limitation is made thereto.

[0043] Please refer to Figure 4, in an example of the chamber structure 10 of the present utility model, the lighting device 13 includes a light strip 133. The light strip 133 extends along the length direction of the channel 12. The light strip 133 includes a plurality of light sources arranged continuously along the length direction of the channel 12. Along the length direction of the channel 12, both ends of the light strip 133 can be completely located within the channel 12, or can be aligned with the two ends of the channel 12 respectively. Preferably, in this embodiment, both ends of the light strip 133 are aligned with the two ends of the channel 12 respectively, that is, the light strip 133 corresponds to the first section 123, the second section 124, and the third section 125 in sequence in the length direction. The light strip 133 includes, but is not limited to, being composed of a plurality of LED lamp beads, so as to form a plurality of light sources arranged continuously along the length direction of the light strip 133. Along the length direction of the light strip 133, the spacing between the plurality of light sources can be arranged at equal intervals or at unequal intervals. The brightness of the plurality of light sources can be equal or unequal. The brightness of the light strip 133 gradually decreases from the first section 123 to the second section 124 and gradually increases from the second section 124 to the third section 125. The method of realizing that the brightness of the light strip 133 gradually decreases from the first section 123 to the second section 124 and gradually increases from the second section 124 to the third section 125 can be achieved by adjusting the brightness of the lamp beads of the light strip 133 located in different regions, or can be achieved by adjusting the spacing between adjacent lamp beads of the light strip 133 located in different regions. Since the light strip 133 is arranged in the channel 12, the brightness change in the channel 12 can be adjusted by adjusting and controlling the brightness of the light sources corresponding to different sections on the light strip 133. At the same time, since the brightness of the light strip 133 gradually decreases from the first section 123 to the second section 124 and gradually increases from the second section 124 to the third section 125, such an arrangement can make the brightness change in the channel 12 more gentle, and further can better improve the degree of light brightness change felt by the eyes when the patient passes through the chamber entrance 1011 and the chamber exit 1021 regions, reduce the discomfort of the patient's eyes, and improve the comfort of the patient during scanning.

[0044] Please continue to refer to Figure 4, specifically, in this embodiment, in the direction from the chamber inlet 1011 to the chamber outlet 1021, the light strip 133 is provided with a plurality of brightness regions corresponding to the inlet section 1231, the first transition section 1232, the second section 124, the second transition section 1252, and the outlet section 1251, respectively. In the direction from the chamber inlet 1011 to the chamber outlet 1021, the plurality of brightness regions are respectively marked as the first brightness region 1331, the second brightness region 1332, the third brightness region 1333, the fourth brightness region 1334, and the fifth brightness region 1335, where the brightness of the first brightness region 1331 is greater than that of the second brightness region 1332, the brightness of the second brightness region 1332 is greater than that of the third brightness region 1333, the brightness of the fourth brightness region 1334 is greater than that of the third brightness region 1333, the brightness of the fifth brightness region 1335 is greater than that of the fourth brightness region 1334, and the brightness of the first brightness region 1331 is the same as that of the fifth brightness region 1335, and the brightness of the second brightness region 1332 is the same as that of the fourth brightness region 1334. It should be noted that the specific brightness values of the first brightness region 1331, the second brightness region 1332, the third brightness region 1333, the fourth brightness region 1334, and the fifth brightness region 1335 can be set with reference to the relatively comfortable brightness change values that the human eye can receive. In this embodiment, no specific limitation is made thereto.

[0045] In an example of the chamber structure 10 of the present utility model, the lighting device 13 is configured such that its brightness changes with the movement of the scanning bed 20, so that the eyes of the patient can perceive the same brightness that matches the external environment when moving within the channel 12. It should be noted that the brightness that matches the external environment in this embodiment refers to the brightness that can make the eyes feel comfortable during the process of the patient entering the channel 12 from the chamber entrance 1011 to leaving the channel 12 from the chamber exit 1021. Specifically, this brightness is related to the light source brightness of the external environment. Preferably, in this embodiment, the brightness that matches the external environment is set as Q1, that is, the brightness perceived by the eyes of the patient when moving within the channel 12, and the brightness of the external environment is set as Q2, then 0.8·Q2 ≤ Q1 ≤ Q2. With such a setting, the eyes of the human body feel relatively comfortable during the process of entering and leaving the channel 12 and will not cause discomfort. Of course, in other embodiments, other size comparison relationships may also exist between Q1 and Q2, as long as the brightness perceived by the patient's eyes during the process of entering and leaving the channel 12 does not cause discomfort to the patient's eyes. Specifically, during the movement of the scanning bed 20, the brightness of multiple light sources on the light strip 133 changes one by one, that is, the light sources in the area corresponding to the eyes of the patient always maintain the same brightness, and the difference between this brightness and the brightness of the external environment of the channel 12 can make the patient's eyes feel relatively comfortable, while the brightness of the light sources in other areas not corresponding to the eyes of the patient will become lower or be in a power-off and extinguished state. With such a setting, not only can the discomfort of the patient's eyes during the scanning process be better reduced, but also the operating energy consumption of the device can be effectively reduced, further improving the amplitude of energy conservation and emission reduction.

[0046] In an example of the chamber structure 10 of the present utility model, the chamber structure 10 further includes a photometric sensor (not shown in the figure) for detecting the change in the brightness of the external environment of the channel 12. The photometric sensor is electrically connected to the lighting device 13 so that the brightness of the lighting device 13 in the first section 123 and the third section 125 matches the brightness of the external environment of the channel 12. The brightness of the first section 123 and the third section 125 matching the brightness of the external environment of the channel 12 means that the difference between the brightness of the first section 123 and the external environment brightness of the channel 12 and the difference between the brightness of the third section 125 and the external environment brightness of the channel 12 can make the patient feel more comfortable in the eyes during the process of entering and exiting the channel 12, without generating a sense of dizziness when the light brightness changes. The specific magnitudes of the difference between the brightness of the first section 123 and the external environment brightness of the channel 12 and the difference between the brightness of the third section 125 and the external environment brightness of the channel 12 need to be confirmed after comprehensive consideration of multiple factors such as the individual differences of the patient, the moving speed of the scanning bed 20, and the brightness of the external environment. The photometric sensor can be a photoelectric sensor, an infrared light sensor, an optical sensor, etc., and no specific limitation is made as long as it meets the photometric detection requirements. The photometric sensor can be installed on the outer wall of the channel 12 or at any position that can detect the illuminance of the external environment of the channel 12, such as on the outer casing of the magnetic resonance device. In this embodiment, by setting the photometric sensor, the real-time adjustment of the brightness of the light source in the channel 12 can be realized, so that the brightness of the lighting device 13 in the first section 123 and the third section 125 matches the brightness of the external environment of the channel 12 in real time, thereby the difference between the brightness of the light source at different sections and the brightness of the external environment can be adjusted specifically, and in this way, the brightness in different sections of the channel 12 can better meet the requirements of the patient's eye comfort.

[0047] The present utility model further provides a magnetic resonance device, including the chamber structure 10 for magnetic resonance imaging in any of the above examples. The magnetic resonance device may further include a main magnet and gradient coils arranged around the inside of the main magnet, etc. The specific structures and connection relationships of the main magnet and the gradient coils can refer to the structure descriptions of the main magnet and the gradient coils in the existing magnetic resonance devices, and will not be elaborated in detail here. The structure of the chamber structure 10 is the same as or similar to the chamber structure 10 described in the above embodiments. To avoid repetition, it will not be described again here.

[0048] The chamber structure for magnetic resonance imaging provided by the present utility model can achieve brightness changes in different regions of the channel by controlling the brightness of light sources in different regions because multiple light sources are arranged in the channel. Meanwhile, along the moving direction of the scanning bed, since the brightness of multiple light sources changes, the discomfort of the patient's eyes can be reduced during the movement of the scanning bed. Furthermore, the probability of the patient having blurred vision and dizziness due to visual discomfort can be reduced, the scanning comfort of the patient can be improved, and the discomfort and anxiety experienced by the patient during the scanning process can be alleviated. Therefore, the present utility model effectively overcomes some practical problems in the prior art and thus has high utilization value and practical significance. The above embodiments are only illustrative of the principles and effects of the present utility model and are not intended to limit the present utility model. Any person familiar with this technology can modify or change the above embodiments without departing from the spirit and scope of the present utility model. Therefore, all equivalent modifications or changes made by those with ordinary knowledge in the relevant technical field without departing from the spirit and technical idea disclosed by the present utility model should still be covered by the claims of the present utility model.

Claims

1. A chamber structure for magnetic resonance imaging, characterized in that: include: a first housing portion, the first housing portion forming a chamber entrance; a second housing portion, the second housing portion forming a chamber outlet; A body coil is arranged between the first shell part and the second shell part, and the body coil forms a receiving cavity; two ends of the receiving cavity are respectively connected with the chamber entrance and the chamber exit to form a passage for the scanning bed to enter and exit; A lighting device, disposed in the passage, to provide lighting inside the passage; The brightness of the lighting device changes from the chamber entrance to the chamber exit, so as to reduce the patient's eye discomfort when the scanning bed enters from the chamber entrance and moves out from the chamber exit.

2. The chamber structure according to claim 1, characterized in that: In the direction from the chamber entrance to the chamber exit, the channel includes a first section, a second section, and a third section connected in sequence, the second section is located in the central area of ​​the channel and includes at least a scanning area; the brightness of the lighting device in the second section is lower than the brightness in the first section and the third section.

3. The chamber structure according to claim 2, characterized in that: The lighting device includes a plurality of lighting lamps, which are respectively arranged in the first section, the second section and the third section, and the brightness of the lighting lamps located in the second section is lower than the brightness of the lighting lamps located in the first section and the third section.

4. The chamber structure according to claim 2, characterized in that: The lighting device includes a plurality of lighting lamps, a portion of which are arranged in the first section, and another portion of which are arranged in the third section, the lighting areas of the lighting lamps in the first section at least partially cover the second section, and the lighting areas of the lighting lamps in the third section at least partially cover the second section.

5. The chamber structure according to claim 2, characterized in that: The first section includes an entrance section and a first transition section that are connected to each other. The first transition section is close to the second section. The brightness of the lighting device in the channel gradually decreases from the entrance section to the second section.

6. The chamber structure according to claim 5, characterized in that: The lighting device includes a plurality of lighting lamps, and the entrance section and the first transition section are respectively provided with the lighting lamps, and the brightness of the lighting lamps located in the entrance section is greater than the brightness of the lighting lamps located in the first transition section.

7. The chamber structure according to claim 2, characterized in that: The third section includes an outlet section and a second transition section that are connected to each other. The second transition section is close to the second section. The brightness of the lighting device in the channel gradually decreases from the outlet to the second section.

8. The chamber structure according to claim 7, characterized in that: The lighting device includes a plurality of lighting lamps, and the exit section and the second transition section are respectively provided with the lighting lamps, and the brightness of the lighting lamps located in the exit section is greater than the brightness of the lighting lamps located in the second transition section.

9. The chamber structure according to claim 2, characterized in that: The lighting device includes a plurality of lighting lamps, which are arranged along the extension direction of the channel, and the lighting lamps located in the first section and the lighting lamps located in the third section are symmetrical with respect to the symmetrical cross-section of the second section.

10. The chamber structure according to claim 2, characterized in that: The lighting device comprises a light strip extending along the length direction of the channel, and the brightness of the light strip gradually decreases from the first section to the second section, and gradually increases from the second section to the third section.

11. The chamber structure according to claim 2, characterized in that: The illumination device is configured to change brightness as the scanning bed moves, so that the patient's eyes perceive the same brightness that matches the external environment when the patient moves in the channel.

12. The chamber structure according to any one of claims 2 to 11, characterized in that: The chamber structure also includes a photometric sensor for detecting changes in the brightness of the external environment of the channel, and the photometric sensor is electrically connected to the lighting device so that the brightness of the lighting device in the first section and the third section matches the brightness of the external environment of the channel.

13. A magnetic resonance device, characterized in that: A chamber structure for magnetic resonance imaging comprising any one of claims 1 to 12.

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