JP2015211784A - 磁気共鳴イメージング装置 - Google Patents
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- G01R33/482—MR characterised by data acquisition along a specific k-space trajectory or by the temporal order of k-space coverage, e.g. centric or segmented coverage of k-space using a Cartesian trajectory
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- G01R33/5611—Parallel magnetic resonance imaging, e.g. sensitivity encoding [SENSE], simultaneous acquisition of spatial harmonics [SMASH], unaliasing by Fourier encoding of the overlaps using the temporal dimension [UNFOLD], k-t-broad-use linear acquisition speed-up technique [k-t-BLAST], k-t-SENSE
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Abstract
【解決手段】磁気共鳴イメージング装置100は、受付部と、実行部とを備える。受付部は、脂肪抑制を伴いながら出力画像の画像データを収集する第1撮像を行う場合に、当該脂肪抑制の影響を確認するための第2撮像を、所定の検査に含まれるプロトコル群に含めるか否かの指示を受け付ける。実行部は、前記指示を受け付けた場合に、前記第1撮像を実行する前に前記第2撮像を実行する。
【選択図】図1
Description
図1は、第1の実施形態に係るMRI装置100の構成を示す機能ブロック図である。図1に示すように、MRI装置100は、静磁場磁石101と、静磁場電源102と、傾斜磁場コイル103と、傾斜磁場電源104と、寝台105と、寝台制御部106と、送信コイル107と、送信部108と、受信コイル109と、受信部110と、シーケンス制御部120と、計算機130とを備える。なお、MRI装置100に、被検体P(例えば、人体)は含まれない。また、図1に示す構成は一例に過ぎない。例えば、シーケンス制御部120及び計算機130内の各部は、適宜統合若しくは分離して構成されてもよい。
第1の実施形態について説明したが、これ以外にも、種々の異なる形態にて実施されて良い。
例えば、上記の実施形態では、操作者が、テストスキャンをプロトコル群に含めるか否かの指示を行う場合を説明したが、実施形態はこれに限定されるものではない。例えば、テストスキャンのプロトコルがプリセット情報としてプロトコル群に予め組み込まれていても良い。
120 シーケンス制御部
133 制御部
133a 撮像条件設定部
133b 生成部
133c 判定部
133d 改善処理実行部
133e 登録制御部
Claims (8)
- 脂肪抑制を伴いながら出力画像の画像データを収集する第1撮像を行う場合に、当該脂肪抑制の影響を確認するための第2撮像を、所定の検査に含まれるプロトコル群に含めるか否かの指示を受け付ける受付部と、
前記指示を受け付けた場合に、前記第1撮像を実行する前に前記第2撮像を実行する実行部と
を備えることを特徴とする磁気共鳴イメージング装置。 - 前記指示を受け付けた場合に、前記第1撮像の条件である第1撮像条件に基づいて、前記第2撮像の条件である第2撮像条件を生成する生成部を更に備え、
前記実行部は、前記第2撮像条件に基づいて、前記第2撮像を実行することを特徴とする請求項1に記載の磁気共鳴イメージング装置。 - 前記第2撮像が実行される前に、前記第2撮像条件が所定の条件を満たすか否かを判定し、判定結果を出力する判定部を更に備えることを特徴とする請求項2に記載の磁気共鳴イメージング装置。
- 前記第2撮像から前記第1撮像までの間に、前記第1撮像条件を改善するための改善処理を実行する改善処理実行部を更に備えることを特徴とする請求項1〜3のいずれか一つに記載の磁気共鳴イメージング装置。
- 前記第2撮像によって撮像された画像データを除いて、前記プロトコル群に含まれるプロトコルに従って撮像された画像データを記憶部に登録する登録制御部を更に備えることを特徴とする請求項1〜4のいずれか一つに記載の磁気共鳴イメージング装置。
- 脂肪抑制を伴いながら出力画像の画像データを収集する第1撮像を含み、所定の検査に含まれる第1プロトコル群、及び、当該第1プロトコル群に加えて、当該脂肪抑制の影響を確認するための第2撮像を更に含む第2プロトコル群のうち、いずれかのプロトコル群を選択する旨の指示を受け付ける受付部と、
前記第2プロトコル群を選択する指示を受け付けた場合に、前記第1撮像を実行する前に前記第2撮像を実行する実行部と
を備えることを特徴とする磁気共鳴イメージング装置。 - 前記第2撮像によって撮像された画像データを除いて、前記第2プロトコル群に含まれるプロトコルに従って撮像された画像データを記憶部に登録する登録制御部を更に備えることを特徴とする請求項6に記載の磁気共鳴イメージング装置。
- 脂肪抑制を伴いながら出力画像の画像データを収集する第1撮像を行う場合に、当該第1撮像を実行する前に、当該脂肪抑制の影響を確認するための第2撮像を実行する実行部と、
前記第2撮像によって撮像された画像データを除いて、前記プロトコル群に含まれるプロトコルに従って撮像された画像データを記憶部に登録する登録制御部と
を備えることを特徴とする磁気共鳴イメージング装置。
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JP2014095552A JP6433679B2 (ja) | 2014-05-02 | 2014-05-02 | 磁気共鳴イメージング装置 |
US14/699,180 US10288708B2 (en) | 2014-05-02 | 2015-04-29 | Magnetic-resonance imaging apparatus |
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JP2020036813A (ja) * | 2018-09-05 | 2020-03-12 | キヤノンメディカルシステムズ株式会社 | 磁気共鳴イメージング装置 |
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EP3693751A1 (de) * | 2019-02-11 | 2020-08-12 | Siemens Healthcare GmbH | Automatische auswahl einer option für die unterdrückung einer gewebekomponente für magnetresonanzbildgebung |
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