JP6334143B2 - データベース生成装置 - Google Patents
データベース生成装置 Download PDFInfo
- Publication number
- JP6334143B2 JP6334143B2 JP2013244381A JP2013244381A JP6334143B2 JP 6334143 B2 JP6334143 B2 JP 6334143B2 JP 2013244381 A JP2013244381 A JP 2013244381A JP 2013244381 A JP2013244381 A JP 2013244381A JP 6334143 B2 JP6334143 B2 JP 6334143B2
- Authority
- JP
- Japan
- Prior art keywords
- sar
- subject
- database
- coefficient
- magnetic field
- 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
- 238000012545 processing Methods 0.000 claims description 40
- 238000003860 storage Methods 0.000 claims description 15
- 238000002595 magnetic resonance imaging Methods 0.000 description 65
- 238000003384 imaging method Methods 0.000 description 47
- 230000006870 function Effects 0.000 description 22
- 230000005540 biological transmission Effects 0.000 description 17
- 238000005481 NMR spectroscopy Methods 0.000 description 16
- 238000005259 measurement Methods 0.000 description 14
- 230000003068 static effect Effects 0.000 description 12
- 238000000034 method Methods 0.000 description 9
- 230000008859 change Effects 0.000 description 8
- 241000282414 Homo sapiens Species 0.000 description 5
- 238000009826 distribution Methods 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 210000004185 liver Anatomy 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 210000004556 brain Anatomy 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 210000003127 knee Anatomy 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 210000001015 abdomen Anatomy 0.000 description 2
- 230000003187 abdominal effect Effects 0.000 description 2
- 125000004429 atom Chemical group 0.000 description 2
- 230000036760 body temperature Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 210000003414 extremity Anatomy 0.000 description 2
- 210000003128 head Anatomy 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000001208 nuclear magnetic resonance pulse sequence Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000037396 body weight Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000005281 excited state Effects 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 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
- 238000012544 monitoring process Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Images
Landscapes
- Magnetic Resonance Imaging Apparatus (AREA)
Description
h:身長、w:体重、A〜D:フィッティング係数をそれぞれ示す。
2 静磁場発生系
3 傾斜磁場発生系
4 シーケンサ
5 送信系
6 受信系
7 信号処理系
8 CPU
9 傾斜磁場コイル
10 傾斜磁場電源
11 高周波発振器
12 変調器
13 高周波増幅器
14 送受信コイル
15 信号増幅器
16 直交位相検波器
17 A/D変換器
18 磁気ディスク
19 光ディスク
20 ディスプレイ
21 ROM
22 RAM
23 トラックボール又はマウス
24 キーボード
25 操作部
301 被検者データベース
501 統計データベース
Claims (3)
- 処理部と記憶部とインタフェース部を備えたデータベース生成装置であって、
前記処理部は、
前記インタフェース部を介して、複数のMRI装置から、当該MRI装置が測定した被検者のSAR係数と身体情報とからなる被検者データベースと、前記MRI装置の識別子(ID)を受信して、記憶部に記憶し、
記憶した複数の前記被検者データベースと、前記識別子(ID)を使って、前記MRI装置が利用される地域情報毎に、前記身体情報に対応する前記SAR係数の統計値を算出して、統計データベースを作成する、
ことを特徴とするデータベース生成装置。 - 請求項1記載のデータベース生成装置であって、
前記統計値は、前記地域情報毎に、前記身体情報に対応する前記SAR係数の平均値と標準偏差である、
ことを特徴とするデータベース生成装置。 - 請求項1記載のデータベース生成装置であって、
前記身体情報は、前記被検者の部位、並びに身長、体重、性別、年令の少なくとも一つを含む、
ことを特徴とするデータベース生成装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013244381A JP6334143B2 (ja) | 2013-11-26 | 2013-11-26 | データベース生成装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013244381A JP6334143B2 (ja) | 2013-11-26 | 2013-11-26 | データベース生成装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2015100578A JP2015100578A (ja) | 2015-06-04 |
JP6334143B2 true JP6334143B2 (ja) | 2018-05-30 |
Family
ID=53376816
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013244381A Active JP6334143B2 (ja) | 2013-11-26 | 2013-11-26 | データベース生成装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP6334143B2 (ja) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7254623B1 (en) * | 2002-04-16 | 2007-08-07 | General Electric Company | Method and apparatus for reducing x-ray dosage in CT imaging prescription |
JP4820601B2 (ja) * | 2004-08-30 | 2011-11-24 | 株式会社東芝 | 磁気共鳴診断装置 |
US20090005669A1 (en) * | 2007-06-28 | 2009-01-01 | Siemens Aktiengellsellschaft | System and method for performing remote radiological examinations |
JP5416890B2 (ja) * | 2007-06-28 | 2014-02-12 | 株式会社東芝 | 医用画像観察システム、及び医用画像観察装置 |
JP2013031633A (ja) * | 2011-06-29 | 2013-02-14 | Hitachi Medical Corp | 磁気共鳴イメージング装置及びsar予測方法 |
-
2013
- 2013-11-26 JP JP2013244381A patent/JP6334143B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
JP2015100578A (ja) | 2015-06-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN110140042B (zh) | 张量场映射 | |
CN102736045B (zh) | 具有局部sar 约束的并行发射射频脉冲设计 | |
JP6113187B2 (ja) | B1マッピングのあるmr撮像 | |
RU2633283C2 (ru) | Система магнитно-резонансного обследования с предпочтительными настройками на основе интеллектуального анализа данных | |
EP2745124B1 (en) | Magnetic field probe for mri with a fluoroelastomer | |
Childs et al. | Impact of number of channels on RF shimming at 3T | |
RU2616984C2 (ru) | Магнитно-резонансная (mr) томография электрических свойств | |
US10191126B2 (en) | Systems and methods for spatial gradient-based electrical property properties tomography using magnetic resonance imaging | |
US20140002080A1 (en) | Restriction of the imaging region for mri in an inhomogeneous magnetic field | |
JP6162142B2 (ja) | 磁気共鳴イメージング装置、及び、sarの予測方法 | |
US20130300414A1 (en) | Local SAR Reduction In Multi-Slice pTx via SAR-Hopping Between Excitations | |
US20240099603A1 (en) | System and method for magnetic resonance elastography | |
JP2013031633A (ja) | 磁気共鳴イメージング装置及びsar予測方法 | |
CN105467340B (zh) | 具有多个子***的医学成像检查设备的运行 | |
Costagli et al. | Assessment of Silent T1-weighted head imaging at 7 T | |
JP2016067937A (ja) | 複数のサブシステムを含む医療用撮像検査デバイスの動作 | |
Yuan et al. | Quantitative assessment of acquisition imaging parameters on MRI radiomics features: a prospective anthropomorphic phantom study using a 3D-T2W-TSE sequence for MR-guided-radiotherapy | |
WO2014034722A1 (ja) | 磁気共鳴イメージング装置及びその比吸収率の演算方法 | |
Bhagat et al. | Performance of μMRI‐Based virtual bone biopsy for structural and mechanical analysis at the distal tibia at 7T field strength | |
US10545210B2 (en) | Local temperature rise constrained radio frequency pulse design in parallel transmission | |
JP6411063B2 (ja) | 磁気共鳴イメージング装置及びsar算出方法 | |
US10330752B2 (en) | Magnetic resonance imaging apparatus and method for setting RF shimming parameters | |
JP6334143B2 (ja) | データベース生成装置 | |
JP2017094003A (ja) | 画像処理方法、画像処理装置及び磁気共鳴イメージング装置 | |
JP6230882B2 (ja) | 磁気共鳴イメージング装置及びエコー時間設定方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A711 | Notification of change in applicant |
Free format text: JAPANESE INTERMEDIATE CODE: A712 Effective date: 20160427 |
|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20161003 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20170823 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20170912 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20171102 |
|
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: 20180410 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20180426 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6334143 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313111 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
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: R313111 |