Filtering module for magnetic resonance apparatus

Abstract

The utility model provides a filtering module for magnetic resonance equipment. The filtering module includes: a filter for filtering an electrical signal transmitted between an internal device between magnets and an external device between the magnets; the bottom plate is detachably connected to the magnetic resonance conduction plate, and the filter is arranged on the bottom plate; and the electromagnetic shielding sealing element is arranged outside the filter in a surrounding manner. Signal transmission between the magnets inside and outside is achieved through the filter, and shielding between the magnets cannot be damaged while data transmission is achieved. By arranging the electromagnetic shielding sealing element, the contact reliability of the bottom plate and the filter can be ensured, the shielding effect is enhanced, and radio frequency interference on the magnetic resonance equipment is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of magnetic resonance equipment accessories, in particular to a filter module used for magnetic resonance equipment. Background Art

[0002] The MRI scanning room is a metal cage that shields signals. Any electrical signal entering the MRI scanning room may cause radio frequency interference and artifacts in the MRI images. However, due to the large number of MRI research projects and the fact that MRI itself has a variety of data to read, sometimes we have to take the risk of reading data in a high magnetic field environment inside the magnet room, or generating radio frequency interference to the MRI when reading data outside the magnet room.

[0003] In the fields of magnetic resonance data monitoring, clinical and scientific research data reading, there is currently no safe and reliable solution to read or send signals and information between magnets. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the above-mentioned defects in the prior art and provide a filter module for a magnetic resonance device.

[0005] The utility model achieves the above technical effects through the following technical solutions:

[0006] The utility model provides a filtering module for a magnetic resonance device, the filtering module comprising:

[0007] a filter for filtering electrical signals transmitted between a device inside the magnet room and outside the magnet room;

[0008] A bottom plate, the bottom plate is detachably connected to the magnetic resonance conductive plate, and the filter is arranged on the bottom plate;

[0009] An electromagnetic shielding seal is disposed outside the filter.

[0010] In this solution, the signal transmission inside and outside the magnets is realized through the filter, which realizes data transmission without damaging the shielding between the magnets. By setting up the electromagnetic shielding seal, the reliability of the contact between the bottom plate and the filter can be guaranteed, the shielding effect can be enhanced, and the radio frequency interference to the magnetic resonance equipment can be prevented.

[0011] Preferably, the electromagnetic shielding seal comprises an electromagnetic shielding reed, and the electromagnetic shielding reed is arranged around the outer contour of the filter.

[0012] Preferably, the electromagnetic shielding seal further comprises a conductive sponge, and the conductive sponge is filled inside the electromagnetic shielding spring sheet.

[0013] Preferably, the electromagnetic shielding seal is bolted to the bottom plate.

[0014] Alternatively, the electromagnetic shielding seal is bonded to the base plate.

[0015] Preferably, a first mounting hole is provided on the bottom plate, and the bottom plate is mounted on the magnetic resonance conduction plate through the first mounting hole.

[0016] And / or, a second mounting hole is formed on the base plate, and the filter is mounted on the base plate through the second mounting hole.

[0017] Preferably, the filter module further comprises an adapter plate, the adapter plate is connected to the base plate, a mounting interface is provided on the adapter plate, and the filter is mounted on the mounting interface.

[0018] In this solution, by providing an adapter plate, the size of the installation interface on the adapter plate can be flexibly adjusted, thereby being compatible with filtering of multiple interfaces / protocols.

[0019] Preferably, the filter module further comprises a movable fixture, the movable fixture comprises a first end and a second end, and the installation distance between the first end and the second end of the movable fixture is adjustable;

[0020] The bottom plate is provided with a third mounting hole, the first end of the movable clamp is connected to the bottom plate through the third mounting hole, and the second end of the movable clamp is connected to the filter.

[0021] In this solution, the length of the movable clamp is adjustable so that it can adapt to filters of different sizes.

[0022] Preferably, the electromagnetic shielding seal is also arranged around the outer contour of the bottom plate at the connection between the bottom plate and the magnetic resonance conducting plate.

[0023] In this solution, an electromagnetic shielding seal is added at the connection between the bottom plate and the magnetic resonance conduction plate, which can ensure the reliability of the contact between the bottom plate and the magnetic resonance conduction plate and prevent radio frequency interference to the magnetic resonance equipment.

[0024] Preferably, the filter module further comprises a grounding connector, the grounding connector is grounded, and the grounding connector is connected to the filter and the magnetic resonance conductive plate.

[0025] In this solution, the grounding connector is used to ensure the grounding reliability of the filter.

[0026] On the basis of conforming to the common sense in the art, the above-mentioned preferred conditions can be arbitrarily combined to obtain the preferred embodiments of the present utility model.

[0027] The positive and progressive effect of the utility model is that for the filter module used in the magnetic resonance device, the signal transmission inside and outside the magnet is realized through the filter, and the shielding between the magnets is not damaged while the data transmission is realized. By setting the electromagnetic shielding seal, the reliability of the contact between the bottom plate and the filter can be guaranteed, the shielding effect can be enhanced, and the radio frequency interference to the magnetic resonance device can be prevented. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that those skilled in the art will be more aware of the above and other features and advantages of the present invention.

[0029] Figure 1 It is a schematic diagram of a filter module according to a preferred embodiment of the utility model.

[0030] Figure 2 It is a schematic diagram of another filtering module according to a preferred embodiment of the utility model.

[0031] The reference numerals are as follows:

[0032] Filter module 100

[0033] Bottom plate 10

[0034] First mounting hole 101

[0035] Second mounting hole 102

[0036] The third mounting hole 103

[0037] Ground connection 104

[0038] Electromagnetic shielding seal 20

[0039] Adapter plate 30

[0040] Installation interface 301 DETAILED DESCRIPTION

[0041] In order to have a clearer understanding of the technical features, purposes and effects of the utility model, the specific implementation methods of the utility model are now described with reference to the accompanying drawings, in which the same reference numerals represent the same parts.

[0042] In this document, “exemplary” means “serving as an example, instance or illustration”, and any diagram or implementation described in this document as “exemplary” should not be interpreted as a more preferred or more advantageous technical solution.

[0043] In order to simplify the drawings, only the parts related to the utility model are schematically shown in each figure, and they do not represent the actual structure of the product. In addition, in order to simplify the drawings and facilitate understanding, in some figures, only one of the parts with the same structure or function is schematically drawn or marked.

[0044] In this article, "one" not only means "only one", but also means "more than one". In this article, "first", "second", etc. are only used to distinguish each other, rather than to indicate their importance and order, or the premise of each other's existence.

[0045] The utility model discloses a filter module 100 for a magnetic resonance device. Figure 1-Figure 2 As shown, the filter module 100 includes a filter, a bottom plate 10 and an electromagnetic shielding seal 20. The filter is used to filter electrical signals, and the electrical signals are transmitted between the internal device of the magnet room and the outside of the magnet room; the bottom plate 10 is detachably connected to the magnetic resonance conductive plate, and the filter is arranged on the bottom plate 10; the electromagnetic shielding seal 20 is arranged around the outside of the filter.

[0046] In this embodiment, the signal transmission inside and outside the magnets is realized by the filter, and data transmission is realized without damaging the shielding between the magnets. By providing the electromagnetic shielding seal 20, the reliability of the contact between the bottom plate 10 and the filter can be ensured, the shielding effect can be enhanced, and radio frequency interference to the magnetic resonance equipment can be prevented.

[0047] The electromagnetic shielding seal 20 comprises an electromagnetic shielding reed, which is arranged around the outer contour of the filter, and further comprises a conductive sponge, which is filled inside the electromagnetic shielding reed.

[0048] The electromagnetic shielding seal 20 is bolted to the bottom plate 10. Alternatively, the electromagnetic shielding seal 20 is bonded to the bottom plate 10.

[0049] The bottom plate 10 is provided with a first mounting hole 101, and the bottom plate 10 is mounted on the magnetic resonance conducting plate through the first mounting hole 101. Figure 1 As shown, a second mounting hole 102 is opened on the bottom plate 10 , and the filter is mounted on the bottom plate 10 through the second mounting hole 102 .

[0050] In other embodiments, the filter may also be connected to the base plate 10 in other ways. Figure 2 As shown, the filter module 100 also includes an adapter plate 30, which is connected to the base plate 10. The adapter plate 30 is provided with a mounting interface 301, and the filter is mounted on the mounting interface 301. By providing the adapter plate 30, the size of the mounting interface 301 on the adapter plate 30 can be flexibly adjusted, so that it can be compatible with filtering of multiple interfaces / protocols.

[0051] The filter module 100 further includes a movable fixture, which includes a first end and a second end, and the installation distance between the first end and the second end of the movable fixture is adjustable; the bottom plate 10 is provided with a third installation hole 103, the first end of the movable fixture is connected to the bottom plate 10 through the third installation hole 103, and the second end of the movable fixture is connected to the filter. The length of the movable fixture is adjustable, so that it can adapt to filters of different sizes.

[0052] The electromagnetic shielding seal 20 is also arranged around the outer contour of the bottom plate 10 at the connection between the bottom plate 10 and the magnetic resonance conductive plate. Adding the electromagnetic shielding seal 20 at the connection between the bottom plate 10 and the magnetic resonance conductive plate can ensure the reliability of the contact between the bottom plate 10 and the magnetic resonance conductive plate, and prevent radio frequency interference to the magnetic resonance device.

[0053] The filter module 100 further includes a grounding connector 104, which is grounded and connected to the filter and the magnetic resonance conductive plate. The grounding connector 104 is used to ensure the grounding reliability of the filter.

[0054] Although the specific implementations of the utility model are described above, those skilled in the art should understand that this is only an example, and the protection scope of the utility model is defined by the attached claims. Those skilled in the art can make various changes or modifications to these implementations without departing from the principle and essence of the utility model, but these changes and modifications fall within the protection scope of the utility model.

Claims

1. A filter module for a magnetic resonance device, characterized in that: The filtering module comprises: a filter for filtering electrical signals transmitted between a device inside the magnet room and outside the magnet room; A bottom plate, the bottom plate is detachably connected to the magnetic resonance conductive plate, and the filter is arranged on the bottom plate; An electromagnetic shielding seal is disposed outside the filter.

2. The filter module for a magnetic resonance device according to claim 1, characterized in that: The electromagnetic shielding seal comprises an electromagnetic shielding reed, and the electromagnetic shielding reed is arranged around the outer contour of the filter.

3. The filter module for a magnetic resonance device according to claim 2, characterized in that: The electromagnetic shielding seal also includes a conductive sponge, and the conductive sponge is filled inside the electromagnetic shielding spring.

4. The filter module for a magnetic resonance device according to claim 1, characterized in that: The electromagnetic shielding seal is bolted to the bottom plate, Alternatively, the electromagnetic shielding seal is bonded to the base plate.

5. The filter module for a magnetic resonance device according to claim 1, characterized in that: The bottom plate is provided with a first mounting hole, and the bottom plate is mounted on the magnetic resonance conducting plate through the first mounting hole. And / or, a second mounting hole is formed on the base plate, and the filter is mounted on the base plate through the second mounting hole.

6. The filter module for a magnetic resonance device according to claim 1, characterized in that: The filter module further includes an adapter plate, the adapter plate is connected to the bottom plate, a mounting interface is provided on the adapter plate, and the filter is mounted on the mounting interface.

7. The filter module for a magnetic resonance device according to claim 6, characterized in that: The filter module further comprises a movable fixture, the movable fixture comprises a first end and a second end, and the installation distance between the first end and the second end of the movable fixture is adjustable; The bottom plate is provided with a third mounting hole, the first end of the movable clamp is connected to the bottom plate through the third mounting hole, and the second end of the movable clamp is connected to the filter.

8. The filter module for a magnetic resonance device according to claim 1, characterized in that: The electromagnetic shielding seal is also arranged around the outer contour of the bottom plate at the connection between the bottom plate and the magnetic resonance conducting plate.

9. The filter module for a magnetic resonance device according to claim 1, characterized in that: The filter module further includes a ground connection element, which is grounded and connected to the filter and the magnetic resonance conductive plate.

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