JP6133124B2 - 医療用撮像システムにおけるノイズ制御システム - Google Patents
医療用撮像システムにおけるノイズ制御システム Download PDFInfo
- Publication number
- JP6133124B2 JP6133124B2 JP2013099823A JP2013099823A JP6133124B2 JP 6133124 B2 JP6133124 B2 JP 6133124B2 JP 2013099823 A JP2013099823 A JP 2013099823A JP 2013099823 A JP2013099823 A JP 2013099823A JP 6133124 B2 JP6133124 B2 JP 6133124B2
- Authority
- JP
- Japan
- Prior art keywords
- noise
- smps
- input signal
- mri
- frequency
- 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.)
- Active
Links
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
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/50—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications
- A61B6/508—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications for non-human patients
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Nuclear Medicine (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/470,442 US8937475B2 (en) | 2012-05-14 | 2012-05-14 | Systems and methods for noise control in a medical imaging system |
| US13/470,442 | 2012-05-14 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2013240592A JP2013240592A (ja) | 2013-12-05 |
| JP2013240592A5 JP2013240592A5 (enExample) | 2016-06-16 |
| JP6133124B2 true JP6133124B2 (ja) | 2017-05-24 |
Family
ID=49475664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2013099823A Active JP6133124B2 (ja) | 2012-05-14 | 2013-05-10 | 医療用撮像システムにおけるノイズ制御システム |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US8937475B2 (enExample) |
| JP (1) | JP6133124B2 (enExample) |
| DE (1) | DE102013104913A1 (enExample) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8829905B2 (en) * | 2010-05-25 | 2014-09-09 | General Electric Company | Magnetic resonance imaging compatible switched mode power supply |
| WO2016173861A1 (en) | 2015-04-30 | 2016-11-03 | Koninklijke Philips N.V. | Method and apparatus for magnetic resonance imaging with rf noise |
| TWI685668B (zh) * | 2016-09-29 | 2020-02-21 | 美商超精細研究股份有限公司 | 磁共振成像系統,以及搭配該磁共振成像系統使用之調諧系統 |
| CN106357094B (zh) * | 2016-10-09 | 2017-11-07 | 上海联影医疗科技有限公司 | 一种磁共振电源控制系统及方法 |
| GB201702134D0 (en) * | 2017-02-09 | 2017-03-29 | Tokamak Energy Ltd | Cryogenic magnet power supply |
| US10634744B2 (en) | 2017-09-19 | 2020-04-28 | General Electric Company | Magnetic resonance imaging gradient driver systems and methods |
| US11536819B2 (en) | 2019-08-30 | 2022-12-27 | Everett Scientific LLC | Low-noise power sources for imaging systems |
| KR102783489B1 (ko) * | 2019-09-20 | 2025-03-19 | 엘지이노텍 주식회사 | 가변 렌즈 구동 회로, 이를 포함하는 통신 기기 및 가변 렌즈 구동 방법 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63214249A (ja) * | 1987-03-04 | 1988-09-06 | 株式会社日立メディコ | 核磁気共鳴イメ−ジング装置用電源装置 |
| US5134355A (en) * | 1990-12-31 | 1992-07-28 | Texas Instruments Incorporated | Power factor correction control for switch-mode power converters |
| JPH05253207A (ja) * | 1992-03-13 | 1993-10-05 | Hitachi Ltd | 医用診断画像用mri装置 |
| JPH06121778A (ja) * | 1992-10-08 | 1994-05-06 | Toshiba Corp | スイッチング周波数発生器 |
| JPH10165389A (ja) * | 1996-12-13 | 1998-06-23 | Hitachi Medical Corp | 磁気共鳴イメージング装置 |
| EP1290779A1 (en) * | 2000-05-11 | 2003-03-12 | Sony Corporation | Switching power supply |
| JP4519331B2 (ja) * | 2001-01-18 | 2010-08-04 | ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー | ノイズ干渉制御装置およびこれを用いたmri装置ならびにノイズ干渉制御方法 |
| WO2007003967A2 (en) * | 2005-07-06 | 2007-01-11 | Cambridge Semiconductor Limited | Switch mode power supply control systems |
| JP5537006B2 (ja) * | 2008-09-12 | 2014-07-02 | 株式会社東芝 | 超音波診断装置 |
| US8258768B2 (en) * | 2008-12-12 | 2012-09-04 | Schneider Electric USA, Inc. | Low EMI producing switch-mode power supply within an intelligent electronic device |
| US8244192B2 (en) | 2009-11-25 | 2012-08-14 | General Electric Company | System and method for wireless communication of magnetic resonance data |
| JP2011217842A (ja) * | 2010-04-06 | 2011-11-04 | Toshiba Corp | 超音波診断装置 |
| US8829905B2 (en) * | 2010-05-25 | 2014-09-09 | General Electric Company | Magnetic resonance imaging compatible switched mode power supply |
| JP5588305B2 (ja) * | 2010-10-29 | 2014-09-10 | 本田技研工業株式会社 | 電源装置 |
-
2012
- 2012-05-14 US US13/470,442 patent/US8937475B2/en active Active
-
2013
- 2013-05-10 JP JP2013099823A patent/JP6133124B2/ja active Active
- 2013-05-13 DE DE102013104913A patent/DE102013104913A1/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| US8937475B2 (en) | 2015-01-20 |
| JP2013240592A (ja) | 2013-12-05 |
| DE102013104913A1 (de) | 2013-11-14 |
| US20130300417A1 (en) | 2013-11-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6133124B2 (ja) | 医療用撮像システムにおけるノイズ制御システム | |
| JP6761416B2 (ja) | 低磁場磁気共鳴イメージングシステムの自動構成 | |
| US9841476B2 (en) | Method and apparatus for magnetic resonance imaging | |
| CN104736050B (zh) | 磁共振成像装置以及sar的预测方法 | |
| US9940540B2 (en) | Image correction during magnetic resonance dependent on the reception profile of the reception antenna | |
| US20150008918A1 (en) | Method and magnetic resonance apparatus to acquire magnetic resonance data of a target region including a metal object | |
| CN104023628B (zh) | 磁共振成像装置及其高频输出测定装置 | |
| US9151812B2 (en) | Method to operate an image-generating medical modality to avoid patient injury by a modality-generated electromagnetic field | |
| JP6430261B2 (ja) | 磁気共鳴イメージング装置 | |
| US10564238B2 (en) | Systems and methods for energizing magnets of magnetic resonance imaging (MRI) systems | |
| US9606208B2 (en) | Magnetic resonance system, and device and method for control thereof | |
| US20150177354A1 (en) | Magnetic resonance method and apparatus for obtaining a scout scan of a patient containing a metallic implant | |
| US9547062B2 (en) | Method and magnetic resonance apparatus to generate an artifact-free magnetic resonance image data set | |
| JP2013144066A (ja) | 磁気共鳴イメージング装置及びSAR(SpecificAbsorptionRate)計算方法 | |
| US10527696B2 (en) | Magnetic resonance imaging apparatus and SAR computing method | |
| JP6408954B2 (ja) | 磁気共鳴撮像装置、情報処理装置および高周波磁場シミング方法 | |
| US20200025847A1 (en) | Local coil device | |
| US9594137B2 (en) | Controlling magnetic resonance systems | |
| US20180329004A1 (en) | Magnetic resonance imaging apparatus | |
| US10353042B2 (en) | MRI apparatus | |
| US20170153308A1 (en) | Method and apparatus for magnetic resonance imaging | |
| US8957682B2 (en) | Method and magnetic resonance system to automatically determine parameters of a flow measurement | |
| US10620284B2 (en) | Method and apparatus determining a fat content of a liver of a patient using measured spectral magnetic resonance data | |
| US20140117985A1 (en) | Method and magnetic resonance apparatus to generate raw data sets from double echo data acquisitions | |
| JP6288960B2 (ja) | 磁気共鳴イメージング装置 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20160426 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20160426 |
|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20170316 |
|
| TRDD | Decision of grant or rejection written | ||
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20170328 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20170419 |
|
| R150 | Certificate of patent or registration of utility model |
Ref document number: 6133124 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313113 |
|
| R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |