CN203720341U - Test die and magnetic resonance device - Google Patents
Test die and magnetic resonance device Download PDFInfo
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- CN203720341U CN203720341U CN201320804243.1U CN201320804243U CN203720341U CN 203720341 U CN203720341 U CN 203720341U CN 201320804243 U CN201320804243 U CN 201320804243U CN 203720341 U CN203720341 U CN 203720341U
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- testing mould
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- 238000012360 testing method Methods 0.000 title claims abstract description 80
- 230000004308 accommodation Effects 0.000 claims description 16
- 239000012085 test solution Substances 0.000 claims description 8
- 230000000007 visual effect Effects 0.000 claims description 4
- 241000446313 Lamella Species 0.000 claims description 2
- 241000826860 Trapezium Species 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 description 3
- 238000003384 imaging method Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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- Magnetic Resonance Imaging Apparatus (AREA)
Abstract
The utility model provides a test die and a magnetic resonance device. The test die comprises a die shell body with a test section holding space, at least a group of two-dimensional scanning layer thickness test sections which are arranged in the test section holding space of the die shell body, at least a group of space resolution test sections which are arranged in the test section holding space of the die shell body and on the at least one group of two-dimensional scanning layer thickness test sections, and a ghost image test section which is arranged in the test section holding space of the die shell body and under the at least one group of two-dimensional scanning layer thickness test sections. The test die can have the minimized size.
Description
Technical field
The utility model relates to magnetic resonance (MR, Magnetic Resonance) field, more particularly, relates to a kind of for testing testing mould and the magnetic resonance equipment of magnetic resonance equipment.
Background technology
Magnetic resonance equipment generally includes and produces magnetic field (such as static magnetic field, gradient magnetic and radio-frequency (RF) magnetic field) and the magnetic field of generation is applied to the magnetic field generation device of detected object (for example, user to be diagnosed) and receives the signal receiving device from the magnetic resonance signal of detected object.
For the ease of the performance to magnetic resonance equipment, assess, analyze and regulate, conventionally adopting testing mould (phantom) to replace detected object.Operator prevents testing mould in magnetic resonance equipment, by magnetic field generation device, to testing mould, apply magnetic field, and reception is from the magnetic resonance signal of testing mould, magnetic resonance equipment is tested, to determine that whether magnetic resonance equipment meets such as regulation and the requirement of YY/T0482-2010 standard etc. and/or magnetic resonance equipment is regulated.
Utility model content
The object of exemplary embodiment of the present utility model is to overcome above-mentioned and/or other problem of the prior art.Therefore, exemplary embodiment of the present utility model provides a kind of testing mould and magnetic resonance equipment with minimized size.
According to exemplary embodiment, a kind of testing mould is provided, this testing mould is used for testing magnetic resonance equipment, and described testing mould comprises: mould housing, has part of detecting spatial accommodation; The bed thickness part of detecting of at least one group of two-dimensional scan, is arranged in the part of detecting spatial accommodation of mould housing; At least one group of spatial resolution part of detecting, is arranged in the part of detecting spatial accommodation of mould housing and above the bed thickness part of detecting of described at least one group of two-dimensional scan; Ghost part of detecting, is arranged in the part of detecting spatial accommodation of mould housing and below the bed thickness part of detecting of described at least one group of two-dimensional scan.
According to another exemplary embodiment, a kind of magnetic resonance equipment is provided, described magnetic resonance equipment comprises: testing mould as above; Magnetic field generation device, is constructed to apply magnetic field to testing mould; Signal receiving device, is constructed to receive the magnetic resonance signal from testing mould.
By detailed description, accompanying drawing and claim below, it is clear that other features and aspect can become.
Accompanying drawing explanation
For exemplary embodiment of the present utility model, be described in conjunction with the drawings, can understand better the utility model, in the accompanying drawings:
Fig. 1 is the skeleton view illustrating according to the testing mould of exemplary embodiment;
Fig. 2 is the vertical view illustrating according to the testing mould of exemplary embodiment;
Fig. 3 is the side view illustrating according to the testing mould of exemplary embodiment;
Fig. 4 is the cut-open view illustrating along the testing mould of the A-A line intercepting in Fig. 2;
Fig. 5 is the cut-open view illustrating along the testing mould of the B-B line intercepting in Fig. 2;
Fig. 6 is the cut-open view illustrating along the testing mould of the C-C line intercepting in Fig. 4;
Fig. 7 is the cut-open view illustrating along the testing mould of the D-D line intercepting in Fig. 4;
Fig. 8 illustrates each of bed thickness part of detecting of first group of two-dimensional scan to view;
Fig. 9 illustrates each of bed thickness part of detecting of second group of two-dimensional scan to view;
Figure 10 is the cut-open view illustrating along the testing mould of the E-E line intercepting in Fig. 4;
Figure 11 is the schematic diagram illustrating according to the magnetic resonance equipment of exemplary embodiment.
Embodiment
Below will describe embodiment of the present utility model, and it is pointed out that in the specific descriptions process of these embodiments, in order to carry out brief and concise description, this instructions can not all be done detailed description to all features of actual embodiment.Should be understandable that; in the actual implementation process of any one embodiment; in the process in any one engineering project or design item; in order to realize developer's objectives; in order to meet system restriction relevant or that business is relevant; usually can make various concrete decision-makings, and this also can change to another kind of embodiment from a kind of embodiment.In addition, it will also be appreciated that, although the effort of having done in this performance history may be complicated and tediously long, yet for those of ordinary skill in the art relevant to the disclosed content of the utility model, some designs of carrying out on the basis of the technology contents disclosing in the disclosure, the changes such as manufacture or production are conventional technological means, not should be understood to content of the present disclosure insufficient.
Unless otherwise defined, the technical term using in claims and instructions or scientific terminology should be has the ordinary meaning that the personage of general technical ability understands under the utility model in technical field." first " of using in the utility model patent application specification and claims, " second " and similar word do not represent any order, quantity or importance, and are just used for distinguishing different ingredients.The similar words such as " one " or " one " do not represent restricted number, and mean and have at least one." comprise " or " comprising " etc. similarly word mean to appear at " comprising " or " comprising " element above or object and contain and appear at element or object and the equivalent element thereof that " comprising " or " comprising " enumerate below, do not get rid of other elements or object." connection " or " being connected " etc., similar word was not defined in connection physics or machinery, was also not limited to directly or indirectly connected.
Fig. 1 is the skeleton view illustrating according to the testing mould of exemplary embodiment, Fig. 2 is the vertical view illustrating according to the testing mould of exemplary embodiment, Fig. 3 is the side view illustrating according to the testing mould of exemplary embodiment, Fig. 4 is the cut-open view illustrating along the testing mould of the A-A line intercepting in Fig. 2, and Fig. 5 is the cut-open view illustrating along the testing mould of the B-B line intercepting in Fig. 2.
As shown in Fig. 1 to Fig. 5, the bed thickness part of detecting that can comprise mould housing 110, at least one group of two-dimensional scan according to the testing mould of exemplary embodiment (hereinafter, be called the first part of detecting) 130, at least one group of spatial resolution part of detecting (hereinafter, be called the second part of detecting) 150, ghost part of detecting (hereinafter, being called the 3rd part of detecting) 170.
Mould housing 110 can have part of detecting spatial accommodation, thereby the first part of detecting 130, the second part of detecting 150 and the 3rd part of detecting 170 can be accommodated in part of detecting spatial accommodation.In preferred exemplary embodiment, mould housing 110 can have the cylindrical shape that comprises top surface, basal surface and side surface.The top board corresponding with top surface of the mould housing 110 of cylindrical shape, with base plate corresponding to basal surface and with the thickness of side plate corresponding to side surface can be about 5mm for example, the diameter of top board and base plate (, the diameter of the mould housing 110 of cylindrical shape) can be for example about 170mm, the width of side plate (that is, the height of the mould housing 110 of cylindrical shape) can be for example about 100mm.
In addition, in order to inject test solution to part of detecting spatial accommodation, mould housing 110 can have the test solution inlet being formed in top surface, and can after having injected test solution, close test solution inlet so that the sealing-plug 111 of the part of detecting spatial accommodation sealing of mould housing 110.Here, test solution can be for comprising the CuSO that concentration is 1.34g/L or 0.0053mol/L
45H
2the aqueous solution of O.
In addition, as shown in Figures 2 and 3, location graticule 113 can be arranged on the top surface of mould housing 110 and at least one surface of side surface of cylindrical shape.Magnetic resonance equipment can be located this graticule and partly be delivered to magnet center scanning.
Hereinafter, with reference to Fig. 6 to Figure 10, the first part of detecting 130, the second part of detecting 150 and the 3rd part of detecting 170 are described in more detail.Fig. 6 is the cut-open view illustrating along the testing mould of the C-C line intercepting in Fig. 4; Fig. 7 is the cut-open view illustrating along the testing mould of the D-D line intercepting in Fig. 4; Fig. 8 illustrates each of bed thickness part of detecting of first group of two-dimensional scan to view; Fig. 9 illustrates each of bed thickness part of detecting of second group of two-dimensional scan to view; Figure 10 is the cut-open view illustrating along the testing mould of the E-E line intercepting in Fig. 4.
Testing mould can comprise one or more groups the first part of detecting 130.In current exemplary embodiment, as shown in Figure 7, testing mould can comprise two group of first part of detecting 130, that is, and and first group of first part of detecting 131 and second group of first part of detecting 133.
With reference to first group of first part of detecting 131 of Fig. 8, can comprise that a pair cross-section is the first swash plate of right-angled trapezium.The inclined angle alpha of the inclined surface of each the first swash plate
s1can meet 8 °≤α
s1≤ 12 ° for example, can be 10+1 degree.The thickness p of each the first swash plate
1can meet p
1≤ FHWM/5, here, FHWM is the halfwidth of lamella section in magnetic resonance equipment.For example, the thickness p1 of each the first swash plate can be about 1mm.First group of first part of detecting 131 can be constructed to be more than or equal to 5mm to bed thickness (slice thickness) and test.In addition, imaging plane can be within magnet center ± 30mm.
With reference to Fig. 9, see, second group of first part of detecting 133 can comprise that a pair cross-section is the second swash plate of right-angle triangle.The inclined angle alpha of the inclined surface of each the second swash plate
s2can meet 5 °≤α
s2≤ 15 ° for example, can be 6 ± 1 degree.The thickness p of each the second swash plate
2can meet p
2< FHWM/5.For example, the thickness p of each the second swash plate
2can be about 1mm.Second group of first part of detecting 133 can be constructed to for being more than or equal to 5mm, to test target bed thickness.In addition, imaging plane can be within magnet center+30mm.
Testing mould can comprise one or more groups the second part of detecting 150.Each organizes the second part of detecting 150 can comprise a pair of orthogonal preiodic type sample that is set to.The period L of each preiodic type sample can meet L < 4 * W
pixel, wherein, W
pixelfor Pixel Dimensions, the gap d between adjacent panel
pcan meet 0.61L≤d
p≤ 0.70L, the quantity n of plate can meet n>=10.The major axis of each preiodic type sample should form with the y axle of image the angle of 10 ° to 15 °.In addition, imaging plane can be within magnet center ± 30mm.
In current exemplary embodiment, as shown in Figure 6, testing mould can comprise two group of second part of detecting 150, that is, and and first group of second part of detecting 151 and second group of second part of detecting 153.The constructing variable of first group of second part of detecting 151 and second group of second part of detecting 153 has been shown in table below.Here, the major axis of each preiodic type sample should form with the y axle of image the angle of 12 °.
The size of the 3rd part of detecting 170 can be no more than 50% of field of view FOV.Here, a line chart visual field FOV
headcan meet FOV
head=250mm, body coil visual field FOV
bodycan meet FOV
body=440mm.In embodiment shown in Figure 10, the 3rd part of detecting 170 can be formed annular shape, and for example, the thickness of the 3rd part of detecting 170 can be about 15mm, and internal diameter can be about 100mm, and external diameter can be about 160mm.
Referring back to Fig. 4 and Fig. 5, test surfaces mould 100 can also comprise back up pad 191 and the support column 193 in the part of detecting spatial accommodation that is arranged on mould housing 110.Back up pad 191 and support column 193 can be constructed to part of detecting 130,150 and 170 to be arranged in part of detecting spatial accommodation.For example, the 3rd part of detecting 170 can be arranged on the bottom of mould housing 110, and back up pad 191 can be arranged on the 3rd part of detecting 170 tops, and can by the 3rd part of detecting 170, be supported by support column 193.Here, a plurality of support columns 193 can be set, for example, in embodiment shown in Figure 7, three support columns 193 can be set.The first part of detecting 130 and the second part of detecting 150 can be separately positioned on the lower surface of the bottom in the face of mould housing 110 and the upper surface at the top in the face of mould housing 110 relative with lower surface of back up pad 191.For example, back up pad 191 can have the thickness of about 8mm, and support column 93 can be cylindrical shape, and can have the height of about 15mm and the diameter of about 15mm.
According to exemplary embodiment, mould housing 110, part of detecting 130,150 and 170 and back up pad 191 and support column 193 can be formed by materials such as plastics, glass, frit.
Figure 11 is the schematic diagram illustrating according to the magnetic resonance equipment of exemplary embodiment.
As shown in figure 11, magnetic resonance equipment can comprise magnetic field generation device 10, signal receiving device 30 and testing mould 50.Magnetic field generation device 10 can produce the magnetic field such as static magnetic field, gradient magnetic and radio-frequency (RF) magnetic field etc., and the magnetic field of generation can be applied to testing mould 50.Signal receiving device 30 can receive the magnetic resonance signal from testing mould 50.Testing mould 50 can have the identical structure of structure of the testing mould of describing above with reference to Fig. 1 to Figure 10, and can be used to test magnetic resonance equipment and whether meet regulation and the requirement such as YY/T0482-2010 standard etc.
As mentioned above, testing mould can comprise the first part of detecting (the bed thickness part of detecting of two-dimensional scan), the second part of detecting (spatial resolution part of detecting) and the 3rd part of detecting (ghost part of detecting) being arranged in order in mould housing.Therefore, testing mould can be when having minimized size, meets regulation and requirement such as YY/T0482-2010 standard etc.
More described above exemplary embodiments.It should be understood, however, that and can make various modifications.For example, if if described technology is combined by different way and/or is substituted or supplement by other assembly or its equivalent with different order execution and/or the assembly in described system, framework, equipment or circuit, can realize suitable result.Correspondingly, other embodiments also fall in the protection domain of claim.
Claims (12)
1. a testing mould, is characterized in that, this testing mould is used for testing magnetic resonance equipment, and described testing mould comprises:
Mould housing, has part of detecting spatial accommodation;
The bed thickness part of detecting of at least one group of two-dimensional scan, is arranged in the part of detecting spatial accommodation of mould housing;
At least one group of spatial resolution part of detecting, is arranged in the part of detecting spatial accommodation of mould housing and above the bed thickness part of detecting of described at least one group of two-dimensional scan;
Ghost part of detecting, is arranged in the part of detecting spatial accommodation of mould housing and below the bed thickness part of detecting of described at least one group of two-dimensional scan.
2. testing mould as claimed in claim 1, is characterized in that, mould housing has the cylindrical shape that comprises top surface, basal surface and side surface, wherein, in the top surface of the mould housing of cylindrical shape, is formed with test solution inlet.
3. testing mould as claimed in claim 2, is characterized in that, the diameter of the mould housing of cylindrical shape is 170mm, is highly 100mm.
4. testing mould as claimed in claim 1, is characterized in that, the bed thickness part of detecting of described at least one group of two-dimensional scan comprises:
The bed thickness part of detecting of first group of two-dimensional scan, comprises that a pair cross-section is the first swash plate of right-angled trapezium, wherein, and the inclined angle alpha of the inclined surface of each the first swash plate
s1meet 8 °≤α
s1≤ 12 °, the thickness p of each the first swash plate
1meet p
1<FHWM/5, wherein, FHWM is the halfwidth of lamella section in magnetic resonance equipment.
5. testing mould as claimed in claim 1, is characterized in that, the bed thickness part of detecting of described at least one group of two-dimensional scan comprises:
The bed thickness part of detecting of second group of two-dimensional scan, comprises that a pair cross-section is the second swash plate of right-angle triangle, wherein, and the inclined angle alpha of the inclined surface of each the second swash plate
s2meet 5 °≤α
s2≤ 15 °.
6. testing mould as claimed in claim 1, it is characterized in that, every group of spatial resolution part of detecting in described at least one group of spatial resolution part of detecting comprises a pair of orthogonal preiodic type sample that is set to, wherein, the period L of each preiodic type sample meets L<4 * W
pixel, wherein, W
pixelfor Pixel Dimensions, the gap d between adjacent panel
pmeet 0.61L≤d
p≤ 0.70L, the quantity n of plate meets n>=10.
7. testing mould as claimed in claim 1, is characterized in that, the size of ghost part of detecting is no more than 50% of field of view FOV, wherein, and head coil visual field FOV
headmeet FOV
head=250mm, body coil visual field FOV
bodymeet FOV
body=440mm.
8. testing mould as claimed in claim 1, is characterized in that, described testing mould also comprises back up pad and the support column in the part of detecting spatial accommodation that is arranged on mould housing, wherein,
Ghost part of detecting is arranged on the bottom of mould housing,
Back up pad is arranged on ghost part of detecting top, and is supported by ghost part of detecting by support column,
The bed thickness part of detecting of described at least one group of two-dimensional scan is arranged on the lower surface in the face of the bottom of mould housing of back up pad,
Described at least one group of spatial resolution part of detecting is arranged on the upper surface at relative with the lower surface top in the face of mould housing of back up pad.
9. testing mould as claimed in claim 2, is characterized in that, described testing mould also comprises:
Location graticule, is arranged on the top surface of mould housing and at least one surface of side surface of cylindrical shape.
10. testing mould as claimed in claim 1, is characterized in that, described testing mould also comprises:
Test solution, is injected in the part of detecting spatial accommodation of mould housing.
11. testing moulds as claimed in claim 10, is characterized in that, described test solution comprises the CuSO that concentration is 1.34g/L or 0.0053mol/L
45H
2o.
12. 1 kinds of magnetic resonance equipments, is characterized in that, described magnetic resonance equipment comprises:
If claim 1 is to the testing mould as described in any one claim in claim 11;
Magnetic field generation device, is constructed to apply magnetic field to testing mould;
Signal receiving device, is constructed to receive the magnetic resonance signal from testing mould.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320804243.1U CN203720341U (en) | 2013-12-09 | 2013-12-09 | Test die and magnetic resonance device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320804243.1U CN203720341U (en) | 2013-12-09 | 2013-12-09 | Test die and magnetic resonance device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203720341U true CN203720341U (en) | 2014-07-16 |
Family
ID=51159483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320804243.1U Expired - Lifetime CN203720341U (en) | 2013-12-09 | 2013-12-09 | Test die and magnetic resonance device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203720341U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107544041A (en) * | 2016-06-29 | 2018-01-05 | 上海联影医疗科技有限公司 | Die body component is tested in magnetic resonance imaging |
| JP2022532807A (en) * | 2019-05-10 | 2022-07-19 | エムアールアイ－スター － マグネティック レゾナンス インスティテュート フォー セイフティー テクノロジー アンド リサーチ ゲーエムベーハー | Specimen for analyzing and monitoring the image quality of MR tomography equipment |
-
2013
- 2013-12-09 CN CN201320804243.1U patent/CN203720341U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107544041A (en) * | 2016-06-29 | 2018-01-05 | 上海联影医疗科技有限公司 | Die body component is tested in magnetic resonance imaging |
| JP2022532807A (en) * | 2019-05-10 | 2022-07-19 | エムアールアイ－スター － マグネティック レゾナンス インスティテュート フォー セイフティー テクノロジー アンド リサーチ ゲーエムベーハー | Specimen for analyzing and monitoring the image quality of MR tomography equipment |
| US20220365160A1 (en) * | 2019-05-10 | 2022-11-17 | MRI-STaR-Magnetic Resonance Institute for Safety, Technology and Research GmbH | Test body for analysing and monitoring the image quality from mr tomographs |
| JP7429397B2 (en) | 2019-05-10 | 2024-02-08 | エムアールアイ－スター － マグネティック レゾナンス インスティテュート フォー セイフティー テクノロジー アンド リサーチ ゲーエムベーハー | Test specimen for analyzing and monitoring the image quality of MR tomography equipment |
| US11933872B2 (en) * | 2019-05-10 | 2024-03-19 | MRI-STaR—Magnetic Resonance Institute for Safety, Technology and Research GmbH | Test body for analyzing and monitoring the image quality of MR tomographs |
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|---|---|---|---|
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| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140716 |
|
| CX01 | Expiry of patent term |