Scanning device for magnetic resonance and magnetic resonance apparatus

Abstract

The utility model provides a scanning device for magnetic resonance and magnetic resonance equipment, and relates to the technical field of magnetic resonance scanning. The scanning device for magnetic resonance comprises a transmitting coil provided with a first coil and a second coil and a receiving coil provided with a third coil and a fourth coil, the first coil is rotationally fixed above the second coil, the fourth coil is embedded in the second coil, a signal output end of the third coil is provided with a first cable for transmitting signals, and a signal output end of the third coil is provided with a second cable for transmitting signals. The length of the first cable corresponds to the moving range of the third coil. According to the embodiment of the invention, the patient can be quickly in place during magnetic resonance scanning, the detection time is effectively shortened, and the use experience is improved.

Description

Technical Field

[0001] The present application relates to the technical field of magnetic resonance scanning, and in particular, to a scanning device and a magnetic resonance equipment for magnetic resonance. Background Art

[0002] MRI, or magnetic resonance imaging (full name in English: Magnetic Resonance Imaging), is a type of tomographic imaging that uses the magnetic resonance phenomenon to obtain electromagnetic signals from the human body and reconstruct human body information. From magnetic resonance images, we can obtain a variety of physical property parameters of substances, such as proton density, diffusion coefficient, magnetic susceptibility, chemical shift, etc. Compared with other imaging technologies (such as CT ultrasound and PET, etc.), magnetic resonance imaging methods are more diverse and the information obtained is also richer. Therefore, magnetic resonance imaging has become a hot research direction in medical imaging technology.

[0003] In the use of magnetic resonance imaging, the part of the human body to be tested is often placed between the coils of the scanning device, and the test results are obtained through the electromagnetic signals emitted and received by the coils. However, the existing coils are set in a fixed state, which means that during the test, the test object needs to slowly crawl into the space between the coils, and then adjust its posture according to the needs of the tester to meet the test requirements. This method takes a long time to complete the posture adjustment, and the process is cumbersome, which increases the test time and reduces the user experience. Utility Model Content

[0004] The present application provides a scanning device and a magnetic resonance device for magnetic resonance, which can solve the problem that magnetic resonance scanning requires a long time to adjust the body posture, prolongs the detection time, and has a low user experience. To achieve this purpose, the present application provides the following solutions.

[0005] According to one aspect of an embodiment of the present application, a scanning device for magnetic resonance is provided, including a transmitting coil provided with a first coil and a second coil and a receiving coil provided with a third coil and a fourth coil, the first coil is rotatably fixed above the second coil, the fourth coil is embedded in the second coil, and a first cable for transmitting a signal is provided at a signal output end of the third coil, and the length of the first cable corresponds to the moving range of the third coil.

[0006] In a possible implementation, the scanning device also includes a support column and a coil fixing structure, the first coil is fixed in the coil fixing structure, one end of the support column is fixed to one side of the second coil, and the other end is rotationally connected to one side of the coil fixing structure.

[0007] In a possible implementation, the support column includes a first arc-shaped column, a second arc-shaped column and a cross bar, the first arc-shaped column and the second arc-shaped column are arranged at an interval, the coil fixing structure and the second coil are connected to different ends of the first arc-shaped column and the second arc-shaped column, the cross bar is located between the second arc-shaped column and the first arc-shaped column, and the two ends of the cross bar are respectively connected to the first arc-shaped column and the second arc-shaped column.

[0008] In a possible implementation, the scanning device also includes a second cable, the support column is hollow to form a first accommodating cavity, the coil fixing structure is hollow to form a second accommodating cavity, and one end of the second coil passes through the first accommodating cavity and the second accommodating cavity to be connected to the first coil.

[0009] In a possible implementation, the scanning device includes a rotating structure, the rotating structure is fixed to the top of the supporting column, and the coil fixing structure is connected to the rotating structure;

[0010] A channel for accommodating the second cable is provided in the rotating structure, and the channel is connected to the first accommodating cavity and the second accommodating cavity respectively.

[0011] In one possible implementation, the rotating structure includes a rotating shaft and a locking knob cooperating with the rotating shaft, the coil fixing structure is rotationally fixed to the rotating shaft, and one end of the locking knob protrudes from the rotating structure to stop the rotation of the coil fixing structure.

[0012] In a possible implementation manner, the coil fixing structure is an arc-shaped structure, and an opening of the arc-shaped structure faces the second coil.

[0013] In a possible implementation, the second coil forms an annular structure, the fourth coil is arranged inside the annular structure, and the third coil and the fourth coil have the same structure.

[0014] In a possible implementation, the scanning device also includes a first signal transmission module and a second signal transmission module arranged on one side of the second coil, the first signal transmission module is connected to the first coil and the second coil respectively, and the second signal transmission module is connected to the third coil and the fourth coil respectively.

[0015] According to one aspect of an embodiment of the present application, a magnetic resonance device is provided, which includes an examination bed and the scanning device for magnetic resonance as described above, wherein the second coil and the fourth coil are fixed to the examination bed.

[0016] The beneficial effects of the technical solution provided by the embodiment of the present application are:

[0017] The scanning device for magnetic resonance provided by the present application includes a transmitting coil provided with a first coil and a second coil and a receiving coil provided with a third coil and a fourth coil. The first coil is rotatably fixed above the second coil, and the fourth coil is embedded in the second coil. The signal output end of the third coil is provided with a first cable for transmitting the signal. The length of the first cable corresponds to the moving range of the third coil. The embodiment of the present application opens the space between the coils by fixing the rotation of the first coil in the direction of the second coil and setting the first cable, so that the human body to be detected can enter the space and adjust the body posture. Therefore, the embodiment of the present application can provide assistance for rapid posture adjustment of the human body, facilitate the patient to quickly get into position during magnetic resonance scanning, effectively reduce the detection time, and improve the user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following is a brief introduction to the drawings required for use in describing the embodiments of the present application.

[0019] Figure 1 A structural diagram of a scanning device for magnetic resonance provided in an embodiment of the present application;

[0020] Figure 2 A structural diagram of a transmitting coil in a scanning device for magnetic resonance provided in an embodiment of the present application;

[0021] Figure 3 A structural diagram of an opened transmitting coil provided in an embodiment of the present application;

[0022] Figure 4 A structural diagram of a coil fixing structure and a support column provided in an embodiment of the present application;

[0023] Figure 5 A structural diagram of a receiving coil provided in an embodiment of the present application;

[0024] Figure 6 A partial structural diagram of a magnetic resonance device provided in an embodiment of the present application.

[0025] Explanation of reference numerals: 11. first coil; 12. second coil; 13. first signal transmission module; 21. third coil; 22. fourth coil; 23. first cable; 24. second signal transmission module; 31. first arc-shaped column; 32. second arc-shaped column; 33. cross bar; 4. coil fixing structure; 5. rotating structure; 51. rotating shaft; 52. locking knob; 6. examination bed. DETAILED DESCRIPTION

[0026] The embodiments of the present application are described below in conjunction with the drawings in the present application. It should be understood that the implementation methods described below in conjunction with the drawings are exemplary descriptions for explaining the technical solutions of the embodiments of the present application and do not constitute a limitation on the technical solutions of the embodiments of the present application.

[0027] It will be understood by those skilled in the art that, unless specifically stated, the singular forms "one", "said", and "the" used herein may also include plural forms. It should be further understood that the terms "including" and "comprising" used in the embodiments of the present application refer to that the corresponding features can be implemented as the presented features, information, data, steps, operations, elements and / or components, but do not exclude the implementation of other features, information, data, steps, operations, elements, components and / or combinations thereof supported by the present technical field. It should be understood that when we say that an element is "connected" or "coupled" to another element, the one element may be directly connected or coupled to the other element, or it may refer to that the one element and the other element establish a connection relationship through an intermediate element. In addition, the "connection" or "coupling" used herein may include wireless connection or wireless coupling. The term "and / or" used herein indicates at least one of the items defined by the term, for example, "A and / or B" indicates that it is implemented as "A", or is implemented as "A", or is implemented as "A and B".

[0028] In order to make the objectives, technical solutions and advantages of the present application clearer, the implementation methods of the present application will be further described in detail below in conjunction with the accompanying drawings.

[0029] The following describes several exemplary embodiments to illustrate the technical solutions of the embodiments of the present application and the technical effects produced by the technical solutions of the present application. It should be noted that the following embodiments can refer to, draw on or combine with each other, and the same terms, similar features and similar implementation steps in different embodiments will not be described repeatedly.

[0030] The scanning device for magnetic resonance and the magnetic resonance equipment provided in the present application are intended to solve at least one technical problem existing in the prior art.

[0031] In an embodiment of the present application, a scanning device for magnetic resonance is provided, such as Figure 1-Figure 5 As shown, the scanning device for magnetic resonance includes a transmitting coil provided with a first coil 11 and a second coil 12 and a receiving coil provided with a third coil 21 and a fourth coil 22. The first coil 11 is rotatably fixed above the second coil 12, and the fourth coil 22 is embedded in the second coil 12. The signal output end of the third coil 21 is provided with a first cable 23 for transmitting signals, and the length of the first cable 23 corresponds to the moving range of the third coil 21.

[0032] Optionally, the second coil 12 and the fourth coil 22 may be fixed on the same supporting object, which may be a bed of a magnetic resonance device or other objects that can be used for magnetic resonance detection.

[0033] Optionally, the transmitting frequency of the transmitting coil and the receiving frequency of the receiving coil may include multiple frequencies, and the specific values ​​of the transmitting frequency and the receiving frequency are adjusted according to actual detection requirements.

[0034] Optionally, the scanning device further includes a support column and a coil fixing structure 4 , the first coil 11 is fixed in the coil fixing structure 4 , one end of the support column is fixed to one side of the second coil 12 , and the other end is rotationally connected to one side of the coil fixing structure 4 .

[0035] Optionally, a fixing piece for fixing the second coil 12 and the fourth coil 22 is further provided at the bottom of the support column, one side of the fixing piece is connected to the bottom of the support column, and the other side extends away from the support column, and the second coil 12 and the fourth coil 22 are fixed inside the fixing piece. The fixing piece can be installed on the carrying object of the scanning device.

[0036] Optionally, to further improve the flexibility of posture adjustment, the fixing member and the carrying object can be movably connected or the carrying object can be provided with a track for facilitating the movement of the fixing member, and the position of the transmitting coil and the receiving coil relative to the human body can be adjusted by moving the fixing member along the track.

[0037] Optionally, the support column includes a first arc column 31, a second arc column 32 and a cross bar 33, the first arc column 31 and the second arc column 32 are arranged at intervals, the coil fixing structure 4 and the second coil 12 are connected to different ends of the first arc column 31 and the second arc column 32, the cross bar 33 is located between the second arc column 32 and the first arc column 31, and the two ends of the cross bar 33 are respectively connected to the first arc column 31 and the second arc column 32. The first arc column 31 and the second arc column 32 are fixed on the same side of the second coil 12.

[0038] Optionally, the coil fixing structure 4 is an arc-shaped structure, and the opening of the arc-shaped structure faces the second coil 12 . The curvature of the coil fixing structure 4 corresponds to the curvature of the first arc-shaped column 31 and the second arc-shaped column 32 .

[0039] In one embodiment, the support column and the coil fixing structure 4 form a C-shaped structure, and the coil fixing structure 4 is located at the upper part of the C-shaped structure. When in use, the coil fixing structure 4 is turned away from the second coil 12 to increase the space available for human movement.

[0040] Optionally, the scanning device further includes a second cable. To prevent the second cable from being exposed, the support column is hollowed out to form a first accommodating cavity, the coil fixing structure 4 is hollowed out to form a second accommodating cavity, and one end of the second cable passes through the first accommodating cavity and the second accommodating cavity to connect with the first coil 11. The second coil 12 may also be connected to the second cable, and the signal is transmitted to the external device or received through the second cable.

[0041] Optionally, the scanning device includes a rotating structure 5, the rotating structure 5 is fixed to the top of the support column, and the coil fixing structure 4 is connected to the rotating structure 5; a channel for accommodating the second cable is provided in the rotating structure 5, and the channel is respectively connected to the first accommodating cavity and the second accommodating cavity. The rotating structure 5 is used to realize the rotation of the coil fixing structure 4 relative to the support column.

[0042] Optionally, the rotating structure 5 includes a rotating shaft 51 and a locking knob 52 matched with the rotating shaft 51, the coil fixing structure 4 is rotationally fixed to the rotating shaft 51, and one end of the locking knob 52 protrudes from the rotating structure 5 to stop the rotation of the coil fixing structure 4. The rotating shaft 51 can also be used to fix the second cable to prevent the second coil 12 from moving in the first accommodating cavity and the second accommodating cavity.

[0043] In one embodiment, the coil fixing structure 4 is rotatably fixed to the rotating shaft 51, and the locking knob 52 is disposed on one side of the rotating shaft 51. Before the patient is positioned, the coil fixing structure 4 is rotated in a direction away from the second coil 12, and the patient can lie on the second coil 12 very conveniently. When the coil fixing structure 4 is rotated to the correct position, the rotation of the rotating shaft 51 can be fixed by the locking knob 52, thereby ensuring the stability of the coil fixing structure 4.

[0044] Optionally, the second coil 12 forms a ring structure, the fourth coil 22 is arranged inside the ring structure, and the third coil 21 and the fourth coil 22 have the same structure. The imaging effect is improved by providing two receiving coils (the third coil 21 and the fourth coil 22), and the coil design is simplified and the cost is reduced by using the third coil 21 and the fourth coil 22 of the same structure.

[0045] In one embodiment, the annular structure formed by the second coil 12 is an annular groove, and the fourth coil 22 fills the annular groove, so that the bottom surface of the scanning device is flat, which is convenient for the patient to lie on the surface.

[0046] Optionally, the scanning device further includes a first signal transmission module 13 and a second signal transmission module 24 arranged on one side of the second coil 12, the first signal transmission module 13 is respectively connected to the first coil 11 and the second coil 12, and the second signal transmission module 24 is respectively connected to the third coil 21 and the fourth coil 22. The second signal transmission module 24 is connected to the third coil 21 through the first cable 23. The first signal transmission module 13 and the second signal transmission module 24 may include a signal processing circuit, the frequency of the signal transmitted by the transmitting coil is adjusted by the signal processing circuit in the first signal transmission module 13, and the signal receiving frequency of the receiving coil is adjusted by the signal processing circuit in the second signal transmission module 24.

[0047] The scanning device of the present application adopts a C-shaped transmitting coil, which can well solve the layout of the transmitting coil and meet the rapid setting of the transmitting coil in the magnetic resonance device. The rotatable first coil 11 makes it very fast and convenient to put the patient in place. The second cable is integrated in the support column, which realizes the connection between the upper and lower coils of the transmitting coil and avoids the trouble of cable exposure. Two receiving coils with the same structure can simplify the design of the receiving coil and reduce the cost as much as possible.

[0048] According to one aspect of an embodiment of the present application, a magnetic resonance device is provided, such as Figure 6 As shown, the magnetic resonance device includes an examination bed 6 and a scanning device for magnetic resonance as described in the above embodiment, and the second coil 12 and the fourth coil 22 are fixed to the examination bed 6 .

[0049] The terms "first", "second", "third", "fourth", "1", "2", etc. (if any) in the specification and claims of this application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the numbers used in this way can be interchanged where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than that shown or described in the drawings.

[0050] It should be understood that, although each operation step is indicated by arrows in the flowchart of the embodiment of the present application, the implementation order of these steps is not limited to the order indicated by the arrows. Unless clearly stated herein, in some implementation scenarios of the embodiment of the present application, the implementation steps in each flowchart can be performed in other orders according to demand. In addition, some or all of the steps in each flowchart may include multiple sub-steps or multiple stages based on actual implementation scenarios. Some or all of these sub-steps or stages may be executed at the same time, and each sub-step or stage in these sub-steps or stages may also be executed at different times respectively. In different scenarios of execution time, the execution order of these sub-steps or stages may be flexibly configured according to demand, and the embodiment of the present application does not limit this.

[0051] The above is only an optional implementation method for some implementation scenarios of the present application. It should be pointed out that for ordinary technicians in this technical field, without departing from the technical concept of the solution of the present application, other similar implementation methods based on the technical ideas of the present application are also within the protection scope of the embodiments of the present application.

Claims

1. A scanning device for magnetic resonance, characterized in that: It includes a transmitting coil provided with a first coil and a second coil and a receiving coil provided with a third coil and a fourth coil, the first coil is rotatably fixed above the second coil, the fourth coil is embedded in the second coil, and a first cable for transmitting signals is provided at a signal output end of the third coil, and the length of the first cable corresponds to the moving range of the third coil.

2. The scanning device for magnetic resonance according to claim 1, characterized in that: The scanning device also includes a support column and a coil fixing structure, the first coil is fixed in the coil fixing structure, one end of the support column is fixed to one side of the second coil, and the other end is rotatably connected to one side of the coil fixing structure.

3. The scanning device for magnetic resonance according to claim 2, characterized in that: The support column includes a first arc-shaped column, a second arc-shaped column and a cross bar. The first arc-shaped column and the second arc-shaped column are arranged at an interval. The coil fixing structure and the second coil are connected to different ends of the first arc-shaped column and the second arc-shaped column. The cross bar is located between the second arc-shaped column and the first arc-shaped column, and the two ends of the cross bar are respectively connected to the first arc-shaped column and the second arc-shaped column.

4. The scanning device for magnetic resonance according to claim 2, characterized in that: The scanning device also includes a second cable, the support column is hollow to form a first accommodating cavity, the coil fixing structure is hollow to form a second accommodating cavity, and one end of the second coil passes through the first accommodating cavity and the second accommodating cavity to be connected to the first coil.

5. The scanning device for magnetic resonance according to claim 4, characterized in that: The scanning device comprises a rotating structure, the rotating structure is fixed to the top end of the supporting column, and the coil fixing structure is connected to the rotating structure; A channel for accommodating the second cable is provided in the rotating structure, and the channel is connected to the first accommodating cavity and the second accommodating cavity respectively.

6. The scanning device for magnetic resonance according to claim 5, characterized in that: The rotating structure includes a rotating shaft and a locking knob matched with the rotating shaft. The coil fixing structure is rotationally fixed to the rotating shaft. One end of the locking knob protrudes from the rotating structure to stop the rotation of the coil fixing structure.

7. The scanning device for magnetic resonance according to claim 2, characterized in that: The coil fixing structure is an arc-shaped structure, and an opening of the arc-shaped structure faces the second coil.

8. The scanning device for magnetic resonance according to claim 1, characterized in that: The second coil forms a ring structure, the fourth coil is arranged inside the ring structure, and the third coil and the fourth coil have the same structure.

9. The scanning device for magnetic resonance according to claim 1, characterized in that: The scanning device also includes a first signal transmission module and a second signal transmission module arranged on one side of the second coil, the first signal transmission module is connected to the first coil and the second coil respectively, and the second signal transmission module is connected to the third coil and the fourth coil respectively.

10. A magnetic resonance device, characterized in that: The magnetic resonance equipment comprises an examination bed and a scanning device for magnetic resonance as claimed in any one of claims 1 to 9, and the second coil and the fourth coil are fixed to the examination bed.

Images