CN104280702A - 在局部线圈中扩展的失谐 - Google Patents
在局部线圈中扩展的失谐 Download PDFInfo
- Publication number
- CN104280702A CN104280702A CN201410319144.3A CN201410319144A CN104280702A CN 104280702 A CN104280702 A CN 104280702A CN 201410319144 A CN201410319144 A CN 201410319144A CN 104280702 A CN104280702 A CN 104280702A
- Authority
- CN
- China
- Prior art keywords
- antenna
- diode
- local coil
- described antenna
- local
- 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
- 238000003384 imaging method Methods 0.000 claims abstract description 6
- 230000005540 biological transmission Effects 0.000 claims description 6
- 239000004020 conductor Substances 0.000 claims description 6
- 238000004904 shortening Methods 0.000 claims description 6
- 239000003990 capacitor Substances 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- 230000036541 health Effects 0.000 description 8
- 230000005284 excitation Effects 0.000 description 5
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000001208 nuclear magnetic resonance pulse sequence Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000003325 tomography Methods 0.000 description 2
- ZVQOOHYFBIDMTQ-UHFFFAOYSA-N [methyl(oxido){1-[6-(trifluoromethyl)pyridin-3-yl]ethyl}-lambda(6)-sulfanylidene]cyanamide Chemical compound N#CN=S(C)(=O)C(C)C1=CC=C(C(F)(F)F)N=C1 ZVQOOHYFBIDMTQ-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 210000000746 body region Anatomy 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002595 magnetic resonance imaging Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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
- G01R33/385—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field coils
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/70—Means for positioning the patient in relation to the detecting, measuring or recording means
- A61B5/704—Tables
-
- 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
- G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
- G01R33/36—Electrical details, e.g. matching or coupling of the coil to the receiver
- G01R33/3642—Mutual coupling or decoupling of multiple coils, e.g. decoupling of a receive coil from a transmission coil, or intentional coupling of RF coils, e.g. for RF magnetic field amplification
-
- 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
- G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
- G01R33/34—Constructional details, e.g. resonators, specially adapted to MR
- G01R33/341—Constructional details, e.g. resonators, specially adapted to MR comprising surface coils
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Veterinary Medicine (AREA)
- Biomedical Technology (AREA)
- Public Health (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Radiology & Medical Imaging (AREA)
- High Energy & Nuclear Physics (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Abstract
Description
Claims (16)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201310213377 DE102013213377B3 (de) | 2013-07-09 | 2013-07-09 | Erweiterte Verstimmung bei Lokalspulen |
DE102013213377.4 | 2013-07-09 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104280702A true CN104280702A (zh) | 2015-01-14 |
CN104280702B CN104280702B (zh) | 2017-12-26 |
Family
ID=50928743
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201410319144.3A Active CN104280702B (zh) | 2013-07-09 | 2014-07-04 | 用于成像的mrt系统的局部线圈 |
Country Status (4)
Country | Link |
---|---|
US (1) | US9791527B2 (zh) |
KR (1) | KR20150006795A (zh) |
CN (1) | CN104280702B (zh) |
DE (1) | DE102013213377B3 (zh) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102014202862B4 (de) | 2014-02-17 | 2019-05-29 | Siemens Healthcare Gmbh | Adaptive Pindiodenansteuerung mit minimierter Verlustleistung |
US9891299B1 (en) * | 2014-05-19 | 2018-02-13 | General Electric Company | Methods and systems for correcting B0 field in MRI imaging using shim coils |
DE102018201476A1 (de) * | 2018-01-31 | 2019-08-01 | Siemens Healthcare Gmbh | Lokalspule für Magnetresonanztomograph |
GB2580011B (en) * | 2018-08-03 | 2021-11-24 | Medical Wireless Sensing Ltd | Tunable metamaterial device |
DE102020211327A1 (de) * | 2020-09-09 | 2022-03-10 | Siemens Healthcare Gmbh | DC-Motor, Liege mit DC-Motor und Verfahren zum Betreiben eines DC-Motors |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4309370A1 (de) * | 1993-03-23 | 1994-09-29 | Siemens Ag | Hochfrequenz-Einrichtung einer Anlage zur Kernspintomographie mit einer Empfangsschleife und einem Vorverstärker |
US5621323A (en) * | 1991-11-29 | 1997-04-15 | Magnetic Research, Inc. | Surface coil elements |
US5646530A (en) * | 1995-09-19 | 1997-07-08 | Diagnostic Instruments, Inc. | Surface coil for high resolution imaging using a magnetic resonance imaging apparatus |
CN1534305A (zh) * | 2003-03-28 | 2004-10-06 | 西门子公司 | 磁共振天线 |
CN101539614A (zh) * | 2008-03-18 | 2009-09-23 | 西门子公司 | 用于使局部线圈中的接收天线失谐的设备 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4030878A1 (de) * | 1990-09-29 | 1992-04-02 | Siemens Ag | Doppel-oberflaechenspule fuer ein kernspinresonanzgeraet |
DE4030877A1 (de) * | 1990-09-29 | 1992-04-02 | Siemens Ag | Doppel-oberflaechenspule fuer ein kernspinresonanzgeraet |
US6414488B1 (en) * | 2000-03-01 | 2002-07-02 | Koninklijke Philips Electronics N.V. | Method and apparatus for decoupling magnetic resonance receive coils |
US7999548B1 (en) * | 2008-08-27 | 2011-08-16 | Martin R. Prince | Dual lower extremity MRI coil array with simultaneously independent MRI signal detection from both legs |
-
2013
- 2013-07-09 DE DE201310213377 patent/DE102013213377B3/de active Active
-
2014
- 2014-06-30 US US14/319,126 patent/US9791527B2/en active Active
- 2014-07-04 CN CN201410319144.3A patent/CN104280702B/zh active Active
- 2014-07-08 KR KR20140085182A patent/KR20150006795A/ko not_active Application Discontinuation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5621323A (en) * | 1991-11-29 | 1997-04-15 | Magnetic Research, Inc. | Surface coil elements |
DE4309370A1 (de) * | 1993-03-23 | 1994-09-29 | Siemens Ag | Hochfrequenz-Einrichtung einer Anlage zur Kernspintomographie mit einer Empfangsschleife und einem Vorverstärker |
US5646530A (en) * | 1995-09-19 | 1997-07-08 | Diagnostic Instruments, Inc. | Surface coil for high resolution imaging using a magnetic resonance imaging apparatus |
CN1534305A (zh) * | 2003-03-28 | 2004-10-06 | 西门子公司 | 磁共振天线 |
CN101539614A (zh) * | 2008-03-18 | 2009-09-23 | 西门子公司 | 用于使局部线圈中的接收天线失谐的设备 |
Also Published As
Publication number | Publication date |
---|---|
DE102013213377B3 (de) | 2014-07-03 |
US20150015262A1 (en) | 2015-01-15 |
US9791527B2 (en) | 2017-10-17 |
CN104280702B (zh) | 2017-12-26 |
KR20150006795A (ko) | 2015-01-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20220126 Address after: Erlangen Patentee after: Siemens Healthineers AG Address before: Munich, Germany Patentee before: SIEMENS AG |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20240902 Address after: German Phu F Haim Patentee after: Siemens Medical AG Country or region after: Germany Address before: Erlangen Patentee before: Siemens Healthineers AG Country or region before: Germany |