CN110202341B - Magnetic resonance equipment gradient coil replacement tool - Google Patents
Magnetic resonance equipment gradient coil replacement tool Download PDFInfo
- Publication number
- CN110202341B CN110202341B CN201910640148.4A CN201910640148A CN110202341B CN 110202341 B CN110202341 B CN 110202341B CN 201910640148 A CN201910640148 A CN 201910640148A CN 110202341 B CN110202341 B CN 110202341B
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- Prior art keywords
- lifting mechanism
- bracket
- plate
- carrier
- gradient coil
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- 230000008093 supporting effect Effects 0.000 claims abstract description 19
- 230000000149 penetrating effect Effects 0.000 claims description 8
- 239000000758 substrate Substances 0.000 claims description 2
- 230000003028 elevating effect Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002595 magnetic resonance imaging Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/001—Article feeders for assembling machines
Abstract
A magnetic resonance equipment gradient coil replacement tool comprises a first lifting mechanism, a second lifting mechanism arranged opposite to the first lifting mechanism, a transverse supporting rod connected between the first lifting mechanism and the second lifting mechanism, and a pile casing mechanism sleeved on the transverse supporting rod; the first lifting mechanism comprises a first bracket and a first adjusting component arranged on the first bracket; one side of the transverse strut is connected with a first adjusting component, and the first adjusting component drives part of the transverse strut to lift relative to the first bracket; the second lifting mechanism comprises a second bracket and a second adjusting component arranged on the second bracket; one side of the transverse strut is connected with a second adjusting component, and the second adjusting component drives part of the transverse strut to lift relative to the second bracket; the pile casing mechanism comprises a first carrier sleeved on the transverse supporting rod and a second carrier sleeved on the transverse supporting rod; the first carrier is disposed opposite the second carrier so as to conveniently carry the gradient coils into and out of the magnetic resonance apparatus.
Description
Technical Field
The invention relates to a magnetic resonance equipment maintenance technology, in particular to a magnetic resonance equipment gradient coil replacement tool.
Background
The GE superconducting magnetic resonance imaging equipment is widely applied to hospitals at all levels, a gradient coil is used as one of important parts of a magnetic resonance gradient system, the main function is to generate a gradient field on a main magnetic field, and the gradient field is fast changed due to the fact that the current fed into the gradient coil is large, the action of the force generated by the gradient field is easy to cause loosening of the joint inside the gradient coil, so that the joint is ignited, and the gradient coil is finally burnt; after the gradient coil is damaged, the gradient coil needs to be disassembled and maintained or replaced, however, the gradient coil is large in size and weight and is generally cylindrical, and the traditional installation tool cannot be suitable for assembling and disassembling the gradient coil, so that the gradient coil needs to be assembled and disassembled for a long time to move.
Disclosure of Invention
In view of this, it is necessary to provide a magnetic resonance apparatus gradient coil replacement tool for the problem that the magnetic resonance apparatus gradient coil is hard to move due to the large weight.
A magnetic resonance apparatus gradient coil replacement tool comprising: the device comprises a first lifting mechanism, a second lifting mechanism, a transverse supporting rod and a pile casing mechanism, wherein the second lifting mechanism is arranged opposite to the first lifting mechanism, the transverse supporting rod is connected between the first lifting mechanism and the second lifting mechanism, and the pile casing mechanism is sleeved on the transverse supporting rod; the first lifting mechanism comprises a first bracket and a first adjusting component arranged on the first bracket; one side of the transverse strut is connected with the first adjusting component, and the first adjusting component drives part of the transverse strut to lift relative to the first bracket; the second lifting mechanism comprises a second bracket and a second adjusting component arranged on the second bracket; one side of the transverse strut is connected with the second adjusting component, and the second adjusting component drives part of the transverse strut to lift relative to the second bracket; the pile casing mechanism comprises a first carrier sleeved on the transverse supporting rod and a second carrier sleeved on the transverse supporting rod; the first carrier and the second carrier are arranged opposite to each other.
According to the magnetic resonance equipment gradient coil replacement tool, after the first carrier and the second carrier are fixed on the gradient coil from two sides, the transverse supporting rod passes through the pile casing mechanism, the first lifting mechanism and the second lifting mechanism respectively support the transverse supporting rod from two sides of the magnetic resonance equipment, the first adjusting assembly and the second adjusting assembly enable the transverse supporting rod to lift, so that the pile casing mechanism can bear the weight of the gradient coil, and the pile casing mechanism can conveniently drive the gradient coil to enter the magnetic resonance equipment or be taken out from the magnetic resonance equipment through the movement of the pile casing mechanism along the transverse supporting rod.
In one embodiment, the first adjusting component comprises a base plate fixed in the first bracket, a plurality of guide rods arranged on the base plate, a lifting plate arranged above the base plate and a main screw rod threaded in the base plate; each guide rod is vertically arranged and connected between the first bracket and the substrate; the lifting plate is movably sleeved on each guide rod; the upper end of the main screw rod is propped against the lower side of the lifting plate.
In one embodiment, the lifting plate is provided with a shaft accommodating groove; the first lifting mechanism further comprises a clamping hook assembly arranged on the lifting plate; the clamping hook assembly comprises a transverse shaft accommodated in the shaft accommodating groove, a clamping column vertically connected with the transverse shaft and a surface cover arranged on the lifting plate; the surface cover is provided with a direction limiting groove, the extending direction of the direction limiting groove is perpendicular to the extending direction of the transverse shaft, and the clamping column is arranged in the direction limiting groove in a penetrating manner; the top surface of the surface cover is arc-shaped, and soft rubber is covered on the top surface of the surface cover; one end of the transverse strut is provided with a clamping hole, and the clamping column is arranged in the clamping hole in a penetrating manner.
In one embodiment, the first lifting mechanism further comprises a plurality of universal wheels, and each universal wheel is connected with the lower side of the first bracket.
In one embodiment, a first through groove is formed in the lower side of the first bracket; the first lifting mechanism further comprises a first infrared distance meter arranged at the lower end of the main screw, and the first through groove is arranged at the lower side of the first infrared distance meter; the second lifting mechanism further comprises a second infrared distance meter arranged on the lower side of the second adjusting component, and a second through groove is formed in the lower side of the second infrared distance meter by the second support.
In one embodiment, the first lifting mechanism further comprises a bearing assembly disposed between the lifting plate and the upper end of the main screw.
In one embodiment, the bearing assembly comprises an inner shell accommodated at the lower side of the lifting plate, a bottom cover installed at the lower side of the inner shell, a plurality of balls arranged between the inner shell and the bottom cover, and a bottom plate connected with the lower side of the inner shell; the bottom cover is rotatably arranged in the bottom plate in a penetrating way; the inner side of the inner shell is provided with a plurality of annular grooves, and each ball is respectively and partially accommodated in each annular groove.
In one embodiment, the first adjusting assembly further comprises a push rod movably penetrating through the lower side of the main screw.
In one embodiment, the first carrier comprises a first embedded plate and a plurality of first clamping strips connected with the first embedded plate; the second carrier comprises a second embedded plate and a plurality of second clamping strips connected with the second embedded plate; the pile casing mechanism further comprises a tightening rod connected with the first embedded plate and the second embedded plate.
In one embodiment, the first carrier further comprises a first roller mounted on the underside of the first drop-in plate; the second carrier further comprises a second roller arranged on the lower side of the second embedded plate; the first roller and the second roller are abutted against the transverse strut.
Drawings
FIG. 1 is a schematic perspective view of a gradient coil changing tool for a magnetic resonance apparatus according to a preferred embodiment of the present invention;
FIG. 2 is a schematic perspective view of the first lifting mechanism in FIG. 1;
FIG. 3 is a schematic perspective view of the first lifting mechanism in FIG. 1 at another angle;
FIG. 4 is a schematic perspective view of the hook assembly and the carrier assembly of FIG. 1 after being separated from the lifting plate;
FIG. 5 is a schematic perspective view of the hook assembly and the carrier assembly of FIG. 1 at another angle after being separated from the lift plate;
FIG. 6 is an exploded view of the carrier assembly of FIG. 5;
FIG. 7 is an exploded schematic view of the casing mechanism of FIG. 1;
fig. 8 is a perspective view of the magnetic resonance apparatus gradient coil replacement tool of fig. 1 with gradient coils installed.
Detailed Description
The present invention will be described more fully hereinafter in order to facilitate an understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Referring to fig. 1 to 8, a gradient coil 600 magnetic resonance apparatus gradient coil 600 replacement tool 100 for assisting the movement of the gradient coil 600 when the gradient coil 600 is attached to or detached from the magnetic resonance apparatus according to a preferred embodiment of the present invention is shown. The gradient coil 600 magnetic resonance equipment gradient coil replacement tool 100 comprises a first lifting mechanism 20, a second lifting mechanism 30 arranged opposite to the first lifting mechanism 20, a transverse strut 40 connected between the first lifting mechanism 20 and the second lifting mechanism 30, and a pile casing mechanism 50 sleeved on the transverse strut 40; the first lifting mechanism 20 includes a first bracket 21 and a first adjusting assembly 22 mounted on the first bracket 21; one side of the transverse strut 40 is connected with a first adjusting component 22, and the first adjusting component 22 drives part of the transverse strut 40 to lift relative to the first bracket 21; the second lifting mechanism 30 includes a second bracket 31 and a second adjusting assembly 32 mounted on the second bracket 31; one side of the transverse strut 40 is connected with a second adjusting component 32, and the second adjusting component 32 drives part of the transverse strut 40 to lift relative to the second bracket 31; the pile casing mechanism 50 comprises a first carrier 51 sleeved on the transverse strut 40 and a second carrier 52 sleeved on the transverse strut 40; the first carriage 51 is disposed opposite to the second carriage 52.
After the first carrier 51 and the second carrier 52 are fixed on the gradient coil 600 from two sides, the transverse strut 40 passes through the pile casing mechanism 50, the first lifting mechanism 20 and the second lifting mechanism 30 respectively provide support for the transverse strut 40 from two sides of the magnetic resonance device, and the first adjusting component 22 and the second adjusting component 32 enable the transverse strut 40 to lift, so that the pile casing mechanism 50 can bear the weight of the gradient coil 600, and the pile casing mechanism 50 can conveniently drive the gradient coil 600 to enter the magnetic resonance device or take the gradient coil 600 out of the magnetic resonance device through the movement of the pile casing mechanism 50 along the transverse strut 40.
Referring to fig. 2 and 3, in one embodiment, to adjust the lifting of the transverse strut 40 by using the first lifting mechanism 20, the first adjusting assembly 22 includes a base plate 221 fixed in the first bracket 21, a plurality of guide rods 222 disposed on the base plate 221, a lifting plate 223 disposed above the base plate 221, and a main screw 224 threaded through the base plate 221; each guide bar 222 is vertically disposed and connected between the first bracket 21 and the base plate 221; the lifting plate 223 is movably sleeved on each guide rod 222; the upper end of the main screw 224 abuts against the lower side of the lifting plate 223; one side of the transverse strut 40 is placed on the lifting plate 223, when the main screw 224 rotates relative to the base plate 221, the main screw 224 simultaneously lifts relative to the first bracket 21, the main screw 224 pushes the bottom end of the lifting plate 223, so as to drive the lifting plate 223 and the transverse strut 40 to lift, and each guide rod 222 provides a guiding function for the lifting plate 223.
Referring to fig. 1, 2 and 4, in one embodiment, in order to ensure reliable connection between the transverse strut 40 and the first adjusting component 22, and avoid bending of the end of the transverse strut 40 caused by the angle difference between the transverse strut 40 and the lifting plate 223, the lifting plate 223 is provided with a shaft accommodating groove 225, so that the transverse strut 40 is difficult to detach from the first lifting mechanism 20; the first elevating mechanism 20 further comprises a hook assembly 23 mounted on the elevating plate 223; the hook assembly 23 includes a transverse shaft 231 accommodated in the shaft accommodating groove 225, a clamping column 232 vertically connected with the transverse shaft 231, and a face cover 233 mounted on the lifting plate 223; the cover 233 is provided with a direction limiting groove 234, the extending direction of the direction limiting groove 234 is perpendicular to the extending direction of the transverse shaft 231, and the clamping column 232 is penetrated in the direction limiting groove 234; the top surface 235 of the surface cover 233 is arc-shaped, and the top surface 235 of the surface cover 233 is covered with soft rubber; one end of the transverse strut 40 is provided with a clamping hole 41, and the clamping column 232 is penetrated in the clamping hole 41.
To reduce the thrust required when the gradient coil 600 is moving, it may be necessary to form an angle between the transverse strut 40 and the horizontal plane to form a pushing action by means of the gravity component of the gradient coil 600 itself, so that there is a range of angular variation between the transverse strut 40 and the lifter plate 223; the clamping column 232 can rotate relative to the lifting plate 223 by taking the transverse shaft 231 as the axis, and the limiting groove 234 provides limitation for the direction range of the clamping column 232, so that the clamping column 232 rotates in a near vertical range relative to the lifting plate 223; because the top surface 235 of the cover 233 is arc-shaped, the area near the clamping hole 41 can be kept to be supported, and the soft rubber on the top surface 235 of the cover 233 increases the contact area through deformation, so that the tail end of the transverse strut 40 is prevented from being sunken.
Referring to fig. 2, in one embodiment, in order to enable the distance between the first lifting mechanism 20 and the second lifting mechanism 30 to be adjusted synchronously when the transverse strut 40 is adjusted relative to the horizontal plane, the first lifting mechanism 20 further includes a plurality of universal wheels 24, and each universal wheel 24 is connected to the lower side of the first bracket 21. The first bracket 21 and the first adjusting component 22 can move freely relative to the ground under the support of the universal wheel 24, so that the first lifting mechanism 20 can adjust the distance relative to the second lifting mechanism 30 in time according to the angle change of the transverse strut 40.
In one embodiment, to facilitate determining the inclination direction of the transverse strut 40, a first through groove 211 is provided on the lower side of the first bracket 21; the first lifting mechanism 20 further comprises a first infrared distance meter 25 arranged at the lower end of the main screw 224, and the first through groove 211 is arranged at the lower side of the first infrared distance meter 25; the second lifting mechanism 30 further comprises a second infrared distance meter 34 arranged at the lower side of the second adjusting component 32, and the second bracket 31 is provided with a second through slot 311 at the lower side of the second infrared distance meter 34; specifically, the second lifting mechanism 30 is symmetrically arranged with the structure of the first lifting mechanism 20, and the height relationship between the two ends of the transverse strut 40 and the ground can be determined by measuring the first infrared distance meter 25 and the second infrared distance meter 34, so that the transverse strut 40 can be accurately inclined towards the corresponding direction, and the movement of the gradient coil 600 is assisted by the gravity component force of the gradient coil 600.
Referring to fig. 3, in one embodiment, to avoid abrasion of the bottom side of the lifting plate 223, the first lifting mechanism 20 further includes a bearing assembly 26 disposed between the lifting plate 223 and the upper end of the main screw 224; thereby avoiding wear on the bottom side of the lifter plate 223.
Referring to fig. 3, in one embodiment, to avoid the rotation of the main screw 224 from being blocked, the bearing assembly 26 includes an inner housing 261 received at the lower side of the elevating plate 223, a bottom cover 262 installed at the lower side of the inner housing 261, a plurality of balls 263 disposed between the inner housing 261 and the bottom cover 262, and a bottom plate 264 connected to the lower side of the inner housing 261; the bottom cover 262 rotatably penetrates the bottom plate 264; the inner side of the inner shell 261 is provided with a plurality of annular grooves 265, and each ball 263 is respectively and partially accommodated in the annular groove 265; the bottom plate 264 defines the bottom cover 262 at the lower side of the inner case 261, and the upper end of the main screw 224 abuts against the lower surface of the bottom cover 262, so that the bottom cover 262 and the main screw 224 can flexibly rotate with respect to the inner case 261 or the lifting plate 223 by rolling of the balls 263.
In one embodiment, since the main screw 224 is subjected to a large weight force, the first adjusting assembly 22 further includes a push rod 226 movably penetrating the lower side of the main screw 224 to facilitate rotation of the main screw 224; specifically, the push rod 226 is disposed perpendicular to the main screw 224, and the rotating screw can be rotated conveniently and in a labor-saving manner under the leverage.
Referring to fig. 7, in one embodiment, to avoid accidents caused by the gradient coil 600 being released from the casing mechanism 50, the first carrier 51 includes a first embedding plate 511 and a plurality of first clamping strips 512 connected to the first embedding plate 511; the second carrier 52 includes a second embedded board 521 and a plurality of second clamping bars 522 connected to the second embedded board 521; the casing mechanism 50 further includes a tightening rod 53 connecting the first and second embedded plates 511, 521; specifically, the first embedding plate 511 and the second embedding plate 521 are respectively embedded into the gradient coil 600 from two ends, and the ends of the first clamping strip 512 and the second clamping strip 522 are fixedly connected with the gradient coil 600 through screw members; under the action of the tightening rod 53, the first and second embedded plates 511, 521 are ensured to provide a supporting effect for the gradient coil 600.
In one embodiment, to reduce friction between the first embedded plate 511, the second embedded plate 521 and the transverse strut 40, the first carrier 51 further includes a first roller 513 mounted on the underside of the first embedded plate 511; the second carrier 52 further includes a second roller 523 mounted on the lower side of the second embedded plate 521; the first roller 513 and the second roller 523 are abutted against the transverse strut 40; by rolling the first roller 513 or the second roller 523, the resistance to the movement of the gradient coil 600 can be reduced.
In this embodiment, after the first carrier and the second carrier are fixed on the gradient coil from two sides, the transverse strut passes through the pile casing mechanism, and the first lifting mechanism and the second lifting mechanism respectively provide support for the transverse strut from two sides of the magnetic resonance device, and the first adjusting assembly and the second adjusting assembly enable the transverse strut to lift, so that the pile casing mechanism can bear the weight of the gradient coil, and the pile casing mechanism can conveniently drive the gradient coil to enter the magnetic resonance device or take out from the magnetic resonance device through the movement of the pile casing mechanism along the transverse strut.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (7)
1. A magnetic resonance apparatus gradient coil replacement tool, comprising: the device comprises a first lifting mechanism, a second lifting mechanism, a transverse supporting rod and a pile casing mechanism, wherein the second lifting mechanism is arranged opposite to the first lifting mechanism, the transverse supporting rod is connected between the first lifting mechanism and the second lifting mechanism, and the pile casing mechanism is sleeved on the transverse supporting rod; the first lifting mechanism comprises a first bracket and a first adjusting component arranged on the first bracket; one side of the transverse strut is connected with the first adjusting component, and the first adjusting component drives part of the transverse strut to lift relative to the first bracket; the second lifting mechanism comprises a second bracket and a second adjusting component arranged on the second bracket; one side of the transverse strut is connected with the second adjusting component, and the second adjusting component drives part of the transverse strut to lift relative to the second bracket; the pile casing mechanism comprises a first carrier sleeved on the transverse supporting rod and a second carrier sleeved on the transverse supporting rod; the first carrier and the second carrier are arranged opposite to each other; the first adjusting component comprises a base plate fixed in the first bracket, a plurality of guide rods arranged on the base plate, a lifting plate arranged above the base plate and a main screw rod threaded in the base plate; each guide rod is vertically arranged and connected between the first bracket and the substrate; the lifting plate is movably sleeved on each guide rod; the upper end of the main screw rod is propped against the lower side of the lifting plate; the lifting plate is provided with a shaft accommodating groove; the first lifting mechanism further comprises a clamping hook assembly arranged on the lifting plate; the clamping hook assembly comprises a transverse shaft accommodated in the shaft accommodating groove, a clamping column vertically connected with the transverse shaft and a surface cover arranged on the lifting plate; the surface cover is provided with a direction limiting groove, the extending direction of the direction limiting groove is perpendicular to the extending direction of the transverse shaft, and the clamping column is arranged in the direction limiting groove in a penetrating manner; the top surface of the surface cover is arc-shaped, and soft rubber is covered on the top surface of the surface cover; one end of the transverse strut is provided with a clamping hole, and the clamping column is arranged in the clamping hole in a penetrating manner; the first carrier comprises a first embedded plate and a plurality of first clamping strips connected with the first embedded plate; the second carrier comprises a second embedded plate and a plurality of second clamping strips connected with the second embedded plate; the pile casing mechanism further comprises a tightening rod connected with the first embedded plate and the second embedded plate.
2. The magnetic resonance apparatus gradient coil changing tool of claim 1, wherein the first lifting mechanism further comprises a plurality of universal wheels, each of the universal wheels being connected to an underside of the first bracket.
3. The magnetic resonance equipment gradient coil replacement tool of claim 1 wherein a first through slot is provided on the underside of the first bracket; the first lifting mechanism further comprises a first infrared distance meter arranged at the lower end of the main screw, and the first through groove is arranged at the lower side of the first infrared distance meter; the second lifting mechanism further comprises a second infrared distance meter arranged on the lower side of the second adjusting component, and a second through groove is formed in the lower side of the second infrared distance meter by the second support.
4. The magnetic resonance apparatus gradient coil replacement tool of claim 1, wherein the first lifting mechanism further comprises a carrier assembly disposed between the lifting plate and the upper end of the main screw.
5. The magnetic resonance apparatus gradient coil replacement tool of claim 4, wherein the carrier assembly comprises an inner housing received on an underside of the lifting plate, a bottom cover mounted on the underside of the inner housing, a plurality of balls disposed between the inner housing and the bottom cover, and a bottom plate connecting the underside of the inner housing; the bottom cover is rotatably arranged in the bottom plate in a penetrating way; the inner side of the inner shell is provided with a plurality of annular grooves, and each ball is respectively and partially accommodated in each annular groove.
6. The magnetic resonance apparatus gradient coil replacement tool of claim 1, wherein the first adjustment assembly further comprises a push rod movably disposed through an underside of the main screw.
7. The magnetic resonance apparatus gradient coil replacement tool of claim 1, wherein the first carrier further comprises a first roller mounted on an underside of the first embedded plate; the second carrier further comprises a second roller arranged on the lower side of the second embedded plate; the first roller and the second roller are abutted against the transverse strut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910640148.4A CN110202341B (en) | 2019-07-16 | 2019-07-16 | Magnetic resonance equipment gradient coil replacement tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910640148.4A CN110202341B (en) | 2019-07-16 | 2019-07-16 | Magnetic resonance equipment gradient coil replacement tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110202341A CN110202341A (en) | 2019-09-06 |
| CN110202341B true CN110202341B (en) | 2024-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910640148.4A Active CN110202341B (en) | 2019-07-16 | 2019-07-16 | Magnetic resonance equipment gradient coil replacement tool |
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| Country | Link |
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| CN (1) | CN110202341B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111796229A (en) * | 2020-07-14 | 2020-10-20 | 上海辰瞻医疗科技有限公司 | Band replacement method for gradient coil |
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| WO2005088330A1 (en) * | 2004-03-03 | 2005-09-22 | Koninklijke Philips Electronics, N.V. | Asymmetric ultra-short gradient coil for magnetic resonance imaging system |
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| CN110202341A (en) | 2019-09-06 |
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