KR100760843B1 - Magnetic field generator for MRI and magnetic field generator covering method for MRI - Google Patents

Abstract

The magnetic field generator for MRI comprises a generator main body portion and a cover member covering all generator main body portions.

The cover member is made of a nonmagnetic material, i.e., a fabric made of stainless steel, aluminum, copper, nylon, cotton, hemp, flax, rubber or plastic.

The fixing member can fix the cover member to the generator main body made of string or rope made of stainless steel, aluminum, copper, nylon, cotton, hemp, flax, rubber or plastic. To be provided.

Magnetic field generator, generator main body, cover member, fixed member

Description

MAGNETIC FIELD GENERATOR FOR MRI AND METHOD OF COVERING MAGNETIC FIELD GENERATOR FOR MRI}

The present invention relates to a magnetic field generator for MRI and a magnetic field generator covering method for MRI, and in particular, the magnetic field generator for MRI and the magnetic field generator covering method for MRI saves time and labor for packaging or covering to store or transport the magnetic field generator for MRI. Can be saved.

Magnetic field generators using permanent magnets have very strong magnetism.

During storage or transport of the magnetic field generator, magnetic bodies such as rigs, wrenches, jacks, and hammers are attracted to the magnetic field generator.

This causes the generator to be damaged.

Even if the generator is not damaged, if the magnetic material is pulled into the generator and left as it is, there is a possibility that the uniformity of the magnetic field generated by the MRI generator is damaged.

Therefore, it is necessary to reliably cover or package the magnetic field generator.

According to the prior art, US Patent No. 6,313,632 B1 discloses a magnetic field generator packaging method for MRI.

However, U. S. Patent No. 6,313, 632 B1 suffers from the time and labor required for packaging, so that many shielding or packaging members are eventually attached to the magnetic field generator through studs and / or fixing members.

Therefore, an object according to the present invention is to safely block the magnetic material attracted to the magnetic field generator for the magnetic field generator and MRI for MRI to reduce the time and labor required for packaging or covering to store or transport the magnetic field generator for MRI A magnetic field generator covering method is provided.

According to the first aspect, the present invention provides a space between a pair of magnets each projecting on a corresponding surface of a pair of plate yokes and a pair of column yokes magnetically connecting the plate yokes. A generator main body unit including a pair of plate yokes corresponding thereto; It provides a magnetic field generator for MRI consisting of a member made of a nonmagnetic material covering the entire generator main body.

According to the second aspect of the present invention, the present invention provides a pair of magnets projecting on a corresponding surface of a pair of plate yokes, and a pair of magnet yokes corresponding to each other having a space therebetween. A generator main body unit including a pair of plate yokes; It provides a magnetic field generator for MRI consisting of a member made of a non-magnetic material covering the top and side of the generator main body portion, or the side and the generator main body portion, or the bottom and side of the generator main body portion.

According to a third phase, the present invention provides a magnetic field generator according to the first phase or the second phase.

The cover member is made of a mesh of stainless steel, aluminum, copper, nylon, cotton, hemp, flax, rubber or plastic.

According to a fourth phase, the present invention provides a magnetic field generator according to the first phase or the second phase.

At least a portion of the cover member covering the opening of the generator main body portion comprises a mesh of stainless steel, aluminum, copper, nylon, cotton, hemp, flax, rubber or plastic.

According to a fifth phase, the present invention provides a magnetic field generator according to the first phase or the second phase.

The cover member is made of a fabric made of stainless steel, aluminum, copper, nylon, cotton, hemp, flax, rubber or plastic.

According to a sixth aspect, the present invention provides a magnetic field generator according to the fifth phase.

At least a portion of the cover member covering the opening of the generator main body portion comprises a mesh of stainless steel, aluminum, copper, nylon, cotton, hemp, flax, rubber or plastic.

According to a seventh aspect, the present invention provides a magnetic field generator according to the first phase or the second phase.

At least a portion of the cover member covering the opening of the generator main body portion comprises a mesh of stainless steel, aluminum, copper, nylon, cotton, hemp, flax, rubber or plastic, The other part of the cover member is made of a fabric made of stainless steel, aluminum, copper, nylon, cotton, hemp, flax, rubber or plastic.

According to the eighth phase, the present invention provides a magnetic field generator according to any one of the first to seventh phases.

Further comprising a member for fixing the cover member to the generator main body portion.

According to a ninth aspect, the present invention provides a magnetic field generator according to the eighth phase.

The fastening member comprises a string or rope made of stainless steel, aluminum, copper, nylon, cotton, hemp, flax, rubber or plastic.

According to a tenth aspect, the present invention provides a magnetic field generator according to the eighth or ninth phase.

The fixing member is provided on one side of the pair plate yoke.

According to an eleventh phase, the present invention provides a magnetic field generator according to the eighth or ninth phase.

The fixing member is provided to penetrate various places of the cover member.

According to a twelfth phase, the present invention provides a magnetic field generator according to any one of the eighth to eleventh phases.

The fixing member is removable after the transfer to the place to be transferred to the magnetic field generator.

According to the 13th phase, the present invention provides a magnetic field generator according to the first phase or the second phase.

The cover member is removable after the transfer to the place to be transferred to the magnetic field generator.

According to a fourteenth aspect, the present invention relates to a pair of magnets protruding from a corresponding surface of a pair of plate yokes, and a pair of magnets each having a space between a pair of column yokes magnetically connecting the plate yokes. A generator main body portion including a pair of plate yokes, covering all generator main body portions by a member made of nonmagnetic material; It provides a method for covering the magnetic field generator for MRI consisting of fixing the member to the generator main body.

According to a fifteenth aspect, the present invention relates to a pair of magnets protruding from a corresponding surface of a pair of plate yokes, and a pair of magnets each having a space between a pair of column yokes magnetically connecting the plate yokes. A generator main body portion including a pair of plate yokes, and the upper and side surfaces of the generator main body portion, or the side and the bottom and side of the generator main body portion by a member made of a non-magnetic material Covering; It provides a method for covering the magnetic field generator for MRI consisting of fixing the member to the generator main body.

According to a sixteenth aspect, the present invention provides a method according to the fourteenth or fifteenth phase.

At least a portion of the cover member covering the opening of the generator main body portion comprises a mesh of stainless steel, aluminum, copper, nylon, cotton, hemp, flax, rubber or plastic.

According to a seventeenth aspect, the present invention provides a method according to the fourteenth or fifteenth phase.

The cover member is made of a fabric made of stainless steel, aluminum, copper, nylon, cotton, hemp, flax, rubber or plastic.

According to an eighteenth aspect, the present invention provides a method according to the fourteenth or fifteenth phase.

At least a portion of the cover member covering the opening of the generator main body portion comprises a mesh of stainless steel, aluminum, copper, nylon, cotton, hemp, flax, rubber or plastic, The other part of the cover member is made of a fabric made of stainless steel, aluminum, copper, nylon, cotton, hemp, flax, rubber or plastic.

According to a nineteenth aspect, the present invention provides a method according to any one of the fourteenth to eighteenth phases.

The fixing step comprises fixing the member to the generator main body using a string or a rope made of stainless steel, aluminum, copper, nylon, cotton, hemp, flax, rubber or plastic. Steps.

According to a twentieth aspect, the present invention provides a method according to the nineteenth aspect.

The member and the string or the rope covering the generator main body portion can be removed after the transfer to the place to be transferred to the magnetic field generator.

According to the present invention, since there is no coupling member such as a stud between the magnetic field generator and the cover member, there is no need to wrap or cover the magnetic field generator for MRI to store or transport it by safely preventing the magnetic material being pulled into the magnetic field generator. Save time and labor.

1 is a perspective view showing a magnetic field generator for MRI covered by a cover member of a first embodiment according to the present invention;

Figure 2 is a bottom view showing the magnetic field generator for MRI covered by the cover member of the first embodiment according to the present invention,

3 is a perspective view showing a cover member of a first embodiment according to the present invention;

4 is a perspective view showing a generator main body portion,

5 is a perspective view showing a magnetic field generator for MRI covered by a cover member of a second embodiment according to the present invention;

Figure 6 is a bottom view showing the magnetic field generator for MRI covered by the cover member of the second embodiment according to the present invention,

7 is a perspective view showing a cover member of a second embodiment according to the present invention;

8 is a perspective view showing the magnetic field generator for MRI covered by the cover member of the third embodiment according to the present invention;

9 is a perspective view showing a cover member of a third embodiment according to the present invention;

10 is a perspective view showing the magnetic field generator for MRI covered by the cover member of the fourth embodiment according to the present invention;

11 is a perspective view showing a cover member of a fourth embodiment according to the present invention;

12 is a perspective view showing a magnetic field generator for MRI covered by a cover member of a fifth embodiment according to the present invention;

13 is a perspective view showing a cover member of a fifth embodiment according to the present invention.

The invention can be described in more detail with reference to the accompanying drawings, embodiments.

First embodiment

1 is a perspective view showing a magnetic field generator for MRI covered by the cover member of the first embodiment according to the present invention.

As shown in the accompanying drawings, the magnetic field generator 100 for MRI includes a generator main body portion 1 and a cover member 10 for covering the entire generator main body portion 1.

The cover member 10 having a large bag shape having an upper surface portion 10t, a side portion 10s having a net portion 10m, and a bottom surface portion 10b covers the whole of the generator main body portion 1. All are formed to cover.

The net portion 10m covers the opening 1a of the generator main body 1 so that the inside thereof can be seen through the generator main body 1 inside the cover member 10.

The upper surface portion 10t, the side portion 10s except for the net portion 10m, and the bottom portion 10b is a non-magnetic material, that is, stainless steel, aluminum, copper, nylon, cotton, hemp, It is made of a fabric made of flax, rubber or plastic.

The material of the upper surface portion 10t, the side surface portion 10s, the bottom surface portion 10b, and the net portion 10m is not limited to the above materials, and any material is suitable for the cover member.

The cover member is strong enough to prevent magnetic materials, such as ricks, wrenches, jacks, and hammers, from entering the magnetic field generator 100, thereby protecting the internal structure of the magnetic field generator 100.

The upper surface portion 10t has four holes 10h so that the four rings 1c of the generator main body portion 1 may protrude.

The hole 10h is provided in the upper plate yoke, as shown in FIG.

These rings 1c are used to lift the magnetic field generator 100 for MRI.

Reference numeral 1b denotes a leg portion of the generator main body portion 1.

2 is a bottom view showing the magnetic field generator 100 for MRI covered by the cover member.

The fixing member 11 blocks the bottom of the cover member 10 having the bottom portion 10b, thereby fixing the cover member 10 to the generator main body portion 1.

The fixing member 11 is a string or rope made of stainless steel, aluminum, copper, nylon, cotton, hemp, flax, rubber or plastic.

The material of the fixing member 11 is not limited to the material described above, and any material may fix the cover member 10 to the generator main body portion 1.

In addition, the material of the fixing member 11 is strong enough to prevent the magnetic material from entering the magnetic field generator 100 to which the fixing member 11 can be applied.

Reference numeral 10r denotes a hole through which the fixing member 11 passes.

3 is a perspective view illustrating the cover member 10.

As shown in the accompanying drawings, the bottom portion 10b has a lid function to block the bottom of the cover member 10.

Although the cover member 10 is seen as an independent support structure in the accompanying drawings, the cover member 10 is not an independent support structure and is formed to be flexible.

4 is a perspective view showing the generator main body portion (1).

In the accompanying drawings, the generator main body portion 1 is shown in a state not covered by the cover member.

The generator main body 1 has a pair of column yokes 1f magnetically connecting the magnets 1e protruding from the corresponding surfaces of the pair of plate yokes 1d and the plate yokes 1d, respectively. And a pair of plate yokes 1d corresponding to each other with a space between them.

As described above, the MRI magnetic field generator 100 of the first embodiment has a simple shape.

Therefore, it is possible to reduce the time and labor required to package or cover the magnetic field generator 100 for MRI to be stored and transported.

In addition, when the cover member 10 covers all of the generator main body 1, the magnetic field generator 100 for the MRI is raised or, when reaching the target point, the rick, wrench, intruding into the magnetic field generator 100, Jacks and magnetic objects such as hammers can be safely prevented.

Second embodiment

5 is a perspective view showing the magnetic field generator for MRI covered by the cover member of the second embodiment according to the present invention.

As shown in the accompanying drawings, the magnetic field generator 200 for MRI includes the generator main body 1 and the cover member 20 to cover the top and side surfaces of the generator main body (1). .

The cover member 20 having a large bag shape having an upper surface portion 20t and a side portion 20s having a net portion 20m is formed to cover all of the generator main body portions 1. .

The net portion 20m covers the opening 1a of the generator main body 1 so that the inside of the cover member 20 can see the inside of the generator main body 1.

The side portion 20s except for the upper surface portion 20t and the net portion 20m is made of nonmagnetic material, that is, stainless steel, aluminum, copper, nylon, cotton, hemp, flax, rubber, or It is made of a fabric made of plastic.

The material of the upper surface portion 20t, the side portion 20s, and the net portion 20m is not limited to the material, and any material is suitable for the cover member.

The cover member is strong enough to prevent magnetic materials, such as ricks, wrenches, jacks, and hammers, from entering the magnetic field generator 200, thereby protecting the internal structure of the magnetic field generator 200.

The upper surface portion 20t has four holes 20h so that the four rings 1c of the generator main body portion 1 may protrude.

The hole 20h is provided in the upper plate yoke.

These rings 1c are used to lift the magnetic field generator 200 for MRI.

Reference numeral 1b denotes a leg portion of the generator main body portion 1.

6 is a bottom view of the magnetic field generator 200 for MRI covered by a cover member.

Fixing members 21 to 24 are fixed to the bottom of the side portion 20s, thereby fixing the cover member 10 to the generator main body portion 1.

The fixing members 21 to 24 are strings or ropes made of stainless steel, aluminum, copper, nylon, cotton, hemp, flax, rubber or plastic.

The materials of the fixing members 21 to 24 are not limited to the above materials, and any material may fix the cover member 20 to the generator main body unit 1.

In addition, the material of the fixing members 21 to 24 is strong enough to prevent the magnetic material from entering the magnetic field generator 100 to which the fixing members 21 to 24 may be applied.

Reference numeral 20r denotes a hole through which the fixing members 21 to 24 pass.

7 is a perspective view illustrating the cover member 20.

As shown in the accompanying drawings, the cover member 20 has an open bottom.

Although the cover member 20 is seen as an independent support structure in the accompanying drawings, the cover member 20 is not an independent support structure and is formed to be flexible.

As described above, the magnetic field generator 200 for MRI of the second embodiment has a simple shape.

Therefore, it is possible to reduce the time and labor required to store and package the MRI magnetic field generator 200 for transport.

Moreover, if the cover member 20 does not cover the bottom of the generator main body portion 1, the shape can be further simplified.

In addition, the cover member 20 can be used by turning upside down.

Third embodiment

8 is a perspective view showing the magnetic field generator for MRI covered by the cover member of the third embodiment according to the present invention.

As shown in the accompanying drawings, the magnetic field generator 300 for MRI includes a generator main body 1 and a cover member 30 to cover all generator main body (1).

The cover member 30 has a large pipe shape having a side portion 30s having a net portion 30m, an open upper surface portion, and an open bottom surface portion.

The net portion 30m covers the opening 1a of the generator main body 1 so that the inside of the generator main body 1 inside the cover member 30 can be seen therethrough.

The side portion 30s excluding the mesh portion 30m is made of a nonmagnetic material, that is, a fabric made of stainless steel, aluminum, copper, nylon, cotton, hemp, flax, rubber, or plastic. do.

The material of the side portion 30s and the net portion 30m is not limited to the above materials, and any material is suitable for the cover member.

The cover member is strong enough to prevent magnetic materials such as ricks, wrenches, jacks, and hammers from entering the magnetic field generator 300, thereby protecting the internal structure of the magnetic field generator 300.

Four rings 1c of the generator main body portion 1 are provided in the upper plate yoke and protrude in the opened upper portion.

These rings 1c are used to lift the magnetic field generator 300 for MRI.

Reference numeral 1b denotes a leg portion of the generator main body portion 1.

The fixing members 31 to 34 (21 to 24 shown in FIG. 6) are constrained to the upper end (bottom shown in FIG. 6) of the side portion 30s, thereby covering the cover member 30 on the generator main body portion 1. ) Will be fixed.

The fixing members 31 to 34 are strings or ropes made of stainless steel, aluminum, copper, nylon, cotton, hemp, flax, rubber or plastic.

The materials of the fixing members 31 to 34 are not limited to the above materials, and any material may fix the cover member 30 to the generator main body unit 1.

In addition, the material of the fixing members 31 to 34 is strong enough to prevent the magnetic material from entering the magnetic field generator 300 to which the fixing members 31 to 34 may be applied.

Reference numeral 30r denotes a hole through which the fixing members 31 to 34 (21 to 24 in Fig. 6) pass.

9 is a perspective view illustrating the cover member 10.

As shown in the accompanying drawings, the cover member 30 has an open top and an open bottom.

Although the cover member 30 is seen as an independent support structure in the accompanying drawings, the cover member 30 is not an independent support structure and is formed to be flexible.

As described above, the magnetic field generator 300 for MRI of the third embodiment has a simple shape.

Therefore, it is possible to reduce the time and labor required for packaging to store and transport the magnetic field generator 300 for MRI.

Moreover, if the cover member 30 does not cover the top and bottom of the generator main body portion 1, the shape can be further simplified.

In addition, the cover member 30 can be used by turning upside down.

Fourth embodiment

10 is a perspective view showing a magnetic field generator for MRI covered by the cover member of the fourth embodiment according to the present invention.

The magnetic field generator 400 for MRI includes a generator main body 1 and a cover member 30 to cover all generator main bodies 1.

The cover member 40 has a large belt shape having a web portion 40s and a net portion 40m.

The net portion 40m covers the opening 1a of the generator main body 1 so that the inside of the cover member 40 can see the inside of the generator main body 1.

The web portion 40s is made of a nonmagnetic material, that is, a fabric made of stainless steel, aluminum, copper, nylon, cotton, hemp, flax, rubber or plastic.

The mesh portion 40m is made of a nonmagnetic material, that is, a fabric made of stainless steel, aluminum, copper, nylon, cotton, hemp, flax, rubber or plastic.

The material of the web portion 40s and the net portion 40m is not limited to the material, any material is suitable for the cover member.

The cover member is strong enough to prevent magnetic materials such as ricks, wrenches, jacks, and hammers from entering the magnetic field generator 400, thereby protecting the internal structure of the magnetic field generator 400.

Four rings 1c of the generator main body portion 1 are provided in the upper plate yoke and protrude above the magnetic field generator for MRI.

These rings 1c are used to lift the magnetic field generator 400 for MRI.

Reference numeral 1b denotes a leg portion of the generator main body portion 1.

The fixing members 41 and 42 penetrate through the cover member 40 to fix the cover member 40 to the generator main body 1.

The fastening members 41 and 42 are strings or ropes made of stainless steel, aluminum, copper, nylon, cotton, hemp, flax, rubber or plastic.

The material of the fixing members 41 and 42 is not limited to the above materials, and any material may fix the cover member 40 to the generator main body 1.

In addition, the material of the fixing members 41 and 42 is strong enough to prevent the magnetic material from entering the magnetic field generator 400 to which the fixing members 41 and 42 may be applied.

11 is a perspective view illustrating the cover member 40.

As shown in the accompanying drawings, the cover member 40 is wound around the side of the generator main body portion (1).

Although the cover member 40 is seen as an independent support structure in the accompanying drawings, the cover member 40 is not an independent support structure and is formed to be flexible.

As described above, the magnetic field generator 400 for MRI of the fourth embodiment has a simple shape.

Therefore, it is possible to reduce the time and labor required for packaging to store and transport the magnetic field generator 400 for MRI.

Moreover, since the cover member 40 is wound, it is not necessary to lift the generator main body 1 so that it can be attached to the cover member 40.

Fifth Embodiment

12 is a perspective view showing the magnetic field generator for MRI covered by the cover member of the fifth embodiment according to the present invention.

As shown in the accompanying drawings, the magnetic field generator 500 for MRI includes a generator main body portion 1 and a cover member 50 to cover all generator main body portions 1.

The cover member 50 has a large belt shape having a web portion 50s, a net portion 50m, and a plurality of fixing members 51, 52, and 53.

The net part 50m covers the opening 1a of the generator main body 1 so that the inside of the cover member 50 can see the inside of the generator main body 1.

The web portion 50s is made of a nonmagnetic material, that is, a fabric made of stainless steel, aluminum, copper, nylon, cotton, hemp, flax, rubber or plastic.

The net portion 50m is made of a nonmagnetic material, i.e., a fabric made of stainless steel, aluminum, copper, nylon, cotton, hemp, flax, rubber or plastic.

The material of the web portion 50s and the net portion 50m is not limited to the material, any material is suitable for the cover member.

The cover member is strong enough to prevent magnetic materials, such as ricks, wrenches, jacks, and hammers, from entering the magnetic field generator 500, thereby protecting the internal structure of the magnetic field generator 500.

The fixing members 51, 52, 53 are fixing tapes or buckles.

Four rings 1c of the generator main body portion 1 are provided in the upper plate yoke and protrude above the magnetic field generator for MRI.

These rings 1c are used to lift the magnetic field generator 500 for the MRI.

Reference numeral 1b denotes a leg portion of the generator main body portion 1.

13 is a perspective view illustrating the cover member 50.

As shown in the accompanying drawings, the cover member 50 is wound around the side of the generator main body portion 1, the fixing member (51, 52, 53) is a corresponding fixing member (54, 55, 56).

 A pair of fixing members 54 and a corresponding fixing member 54, a pair of fixing members 52 and a corresponding fixing member 55, and a pair of fixing members 53 and a fixing member 56 correspond to Each is formed of a conventional or defined velcro fastener or velcro strap.

However, the fixing member is not limited to the usual or prescribed Velcro fasteners or Velcro straps, and may be any structure as long as the cover member 50 can be fixed to the generator main body portion 1.

In addition, the fixing member is strong enough to prevent the magnetic material from entering the magnetic field generator (500).

As described above, the MRI magnetic field generator 500 of the fifth embodiment has a simple shape.

Therefore, it is possible to reduce the time and labor required for packaging or covering the MRI magnetic field generator 500 to be stored and transported.

Moreover, since the cover member 50 is wound, it is not necessary to lift the generator main body portion 1 so that it can be attached to the cover member 40.

In addition, the fixing members 51, 52, 53 are completely provided on the cover member 50, and are easy to operate.

In the above embodiment, the net portion is provided in the cover member.

With regard to the size of the net portion, if the net portion can cover all or part of the opening of the generator main body portion through which the generator main body portion inside the cover member can see through it, the size may be any size. It's okay.

In addition, the cover member may be formed without a net portion, or may be formed only of a net portion.

The present invention is not limited to the above embodiments, and various substitutions, modifications, and changes are possible within the scope including the scope of the technical idea of the present invention.

Claims (20)

delete A generator main including a pair of magnets each projecting on a corresponding surface of a pair of plate yokes and a pair of plate yokes corresponding to each other having a space between a pair of column yokes that magnetically connect the plate yokes. A body part; An upper surface portion 10t, a side portion 10s having a net portion 10m, and a bottom surface to cover the upper and side surfaces of the generator main body portion, or the side surface of the generator main body portion, or the bottom and side surfaces of the generator main body portion. Magnetic field generator for MRI, characterized in that the bag (bag) comprising a portion (10b) and made of a cover member made of a nonmagnetic material. The method according to claim 2, The cover member is a magnetic field generator for MRI, characterized in that made of a mesh made of stainless steel, aluminum, copper, nylon, cotton, hemp, flax, rubber or plastic. delete The method according to claim 2, The cover member is a magnetic field generator for MRI, characterized in that made of fabric made of stainless steel, aluminum, copper, nylon, cotton, hemp, flax, rubber or plastic. delete The method according to claim 2, The net portion of the cover member covering the opening of the generator main body portion is formed of a mesh made of stainless steel, aluminum, copper, nylon, cotton, hemp, flax, rubber or plastic, The remainder of the cover member is MRI magnetic field generator, characterized in that made of a fabric made of stainless steel, aluminum, copper, nylon, cotton, hemp, flax, rubber or plastic. The method according to claim 2, Magnetic field generator for MRI characterized in that it further comprises a fixing member for fixing the cover member to the generator main body portion. The method according to claim 8, The fixing member is a magnetic field generator for MRI, characterized in that it comprises a string or rope made of stainless steel, aluminum, copper, nylon, cotton, hemp, flax, rubber or plastic. The method according to claim 8 or 9, The fixing member is magnetic field generator for MRI, characterized in that provided on one side of a pair of plate yoke. The method according to claim 8 or 9, The fixing member is magnetic field generator for MRI, characterized in that provided to penetrate through the binding portion of the cover member for the binding of the cover member. The method according to claim 8 or 9, The fixing member is a magnetic field generator for MRI, characterized in that removable after the transfer to the place to move the magnetic field generator. The method according to claim 2, The cover member is magnetic field generator for MRI, characterized in that removable after the transfer to the place where the magnetic field generator is to move. delete A generator main including a pair of magnets each projecting on a corresponding surface of a pair of plate yokes and a pair of plate yokes corresponding to each other having a space between a pair of column yokes that magnetically connect the plate yokes. Providing a body portion; The top and side surfaces of the generator main body portion, or the side surface of the generator main body portion, or the bottom portion and side surfaces of the generator main body portion 10t, the side portion 10s having a net portion 10m, the bottom portion 10b. Covering with a large bag (bag) shape including a cover member made of a nonmagnetic material; MRI magnetic field generator covering method comprising the step of fixing the cover member to the generator main body with a fixing member. delete The method according to claim 15, The cover member is a magnetic field generator covering method for MRI, characterized in that made of a fabric made of stainless steel, aluminum, copper, nylon, cotton, hemp, flax, rubber or plastic. The method according to claim 15, The net portion of the cover member covering the opening of the generator main body portion is formed of a mesh made of stainless steel, aluminum, copper, nylon, cotton, hemp, flax, rubber or plastic, The remaining portion of the cover member is a magnetic field generator covering method for MRI, characterized in that made of a fabric made of stainless steel, aluminum, copper, nylon, cotton, hemp, flax, rubber or plastic. The method according to claim 15, The fixing step comprises fixing the member to the generator main body using a string or a rope made of stainless steel, aluminum, copper, nylon, cotton, hemp, flax, rubber or plastic. Magnetic field generator covering method for MRI comprising the step of. The method according to claim 19, The cover member and the string or rope for covering the generator main body portion is magnetic field generator covering method for MRI characterized in that the removable after the transfer to the place where the magnetic field generator is to move.

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