KR20200060937A - 의료용 초전도 자석 - Google Patents
의료용 초전도 자석 Download PDFInfo
- Publication number
- KR20200060937A KR20200060937A KR1020180146135A KR20180146135A KR20200060937A KR 20200060937 A KR20200060937 A KR 20200060937A KR 1020180146135 A KR1020180146135 A KR 1020180146135A KR 20180146135 A KR20180146135 A KR 20180146135A KR 20200060937 A KR20200060937 A KR 20200060937A
- Authority
- KR
- South Korea
- Prior art keywords
- coil
- bore
- magnetic field
- superconducting magnet
- gradient magnetic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000003993 interaction Effects 0.000 claims abstract description 7
- 238000002595 magnetic resonance imaging Methods 0.000 abstract description 7
- 239000001307 helium Substances 0.000 description 24
- 229910052734 helium Inorganic materials 0.000 description 24
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 24
- 238000010586 diagram Methods 0.000 description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 6
- 239000004809 Teflon Substances 0.000 description 6
- 229920006362 Teflon® Polymers 0.000 description 6
- 229910052802 copper Inorganic materials 0.000 description 6
- 239000010949 copper Substances 0.000 description 6
- 239000007789 gas Substances 0.000 description 4
- 238000003384 imaging method Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
- G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
- G01R33/3802—Manufacture or installation of magnet assemblies; Additional hardware for transportation or installation of the magnet assembly or for providing mechanical support to components of the magnet assembly
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
- A61B5/055—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves involving electronic [EMR] or nuclear [NMR] magnetic resonance, e.g. magnetic resonance imaging
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
- G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
- G01R33/381—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using electromagnets
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
- G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
- G01R33/385—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field coils
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
- G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
- G01R33/387—Compensation of inhomogeneities
- G01R33/3875—Compensation of inhomogeneities using correction coil assemblies, e.g. active shimming
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F6/00—Superconducting magnets; Superconducting coils
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Heart & Thoracic Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Biomedical Technology (AREA)
- Biophysics (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Pathology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Radiology & Medical Imaging (AREA)
- High Energy & Nuclear Physics (AREA)
- Power Engineering (AREA)
- Electromagnetism (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Abstract
Description
도 5 내지 도 11은 본 발명의 실시예에 따른 의료용 초전도 자석을 보여주는 도면.
3 : 헬륨 용기 4 : 극저온 냉동기
9 : 대칭 경사자계 코일
24 : 보상형 솔레노이드 주 코일
Claims (1)
- 환자가 위치하게 되는 일정 반경의 보어와;
상기 보어 내에 균일 자기장을 발생시키기 위한 연속적으로 권취된 솔레노이드 코일로 이루어진 보상형 솔레노이드 코일과;
상기 보어 내에서 경사 자계를 발생시키는 대칭형 경사자계 코일을 포함하여 보상형 솔레노이드 코일과 경사자계 코일과의 상호작용을 최소화할 수 있는 의료용 초전도 자석.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020180146135A KR102354603B1 (ko) | 2018-11-23 | 2018-11-23 | 의료용 초전도 자석 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020180146135A KR102354603B1 (ko) | 2018-11-23 | 2018-11-23 | 의료용 초전도 자석 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20200060937A true KR20200060937A (ko) | 2020-06-02 |
| KR102354603B1 KR102354603B1 (ko) | 2022-01-24 |
Family
ID=71090565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020180146135A Active KR102354603B1 (ko) | 2018-11-23 | 2018-11-23 | 의료용 초전도 자석 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR102354603B1 (ko) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05210512A (ja) | 1991-10-21 | 1993-08-20 | Toshiba Corp | プロセッサ |
| JP2004141412A (ja) * | 2002-10-24 | 2004-05-20 | Hitachi Medical Corp | 磁気共鳴イメージング装置及び超電導磁石装置 |
| US7777489B2 (en) * | 2007-04-06 | 2010-08-17 | Kabushiki Kaisha Toshiba | Magnetic resonance imaging apparatus, shield coil, manufacturing method of shield coil, and driving method of magnetic resonance imaging apparatus |
| US20110012599A1 (en) * | 2009-04-17 | 2011-01-20 | Erzhen Gao | Cryogenically cooled superconductor gradient coil module for magnetic resonance imaging |
-
2018
- 2018-11-23 KR KR1020180146135A patent/KR102354603B1/ko active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05210512A (ja) | 1991-10-21 | 1993-08-20 | Toshiba Corp | プロセッサ |
| JP2004141412A (ja) * | 2002-10-24 | 2004-05-20 | Hitachi Medical Corp | 磁気共鳴イメージング装置及び超電導磁石装置 |
| US7777489B2 (en) * | 2007-04-06 | 2010-08-17 | Kabushiki Kaisha Toshiba | Magnetic resonance imaging apparatus, shield coil, manufacturing method of shield coil, and driving method of magnetic resonance imaging apparatus |
| US20110012599A1 (en) * | 2009-04-17 | 2011-01-20 | Erzhen Gao | Cryogenically cooled superconductor gradient coil module for magnetic resonance imaging |
| JP2012523902A (ja) * | 2009-04-17 | 2012-10-11 | タイム メディカル ホールディングス カンパニー リミテッド | 磁気共鳴イメージング用極低温冷却超伝導勾配コイルモジュール |
Also Published As
| Publication number | Publication date |
|---|---|
| KR102354603B1 (ko) | 2022-01-24 |
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Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 20181123 |
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Comment text: Registration of Establishment Patent event date: 20220119 Patent event code: PR07011E01D |
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