JP2010512907A - Pet/mri複合撮像システムにおける動き補正 - Google Patents
Pet/mri複合撮像システムにおける動き補正 Download PDFInfo
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- 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
- G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
- G01R33/48—NMR imaging systems
- G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
- G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
- G01R33/565—Correction of image distortions, e.g. due to magnetic field inhomogeneities
- G01R33/56509—Correction of image distortions, e.g. due to magnetic field inhomogeneities due to motion, displacement or flow, e.g. gradient moment nulling
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- 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
- G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
- G01R33/48—NMR imaging systems
- G01R33/4808—Multimodal MR, e.g. MR combined with positron emission tomography [PET], MR combined with ultrasound or MR combined with computed tomography [CT]
- G01R33/481—MR combined with positron emission tomography [PET] or single photon emission computed tomography [SPECT]
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Abstract
Description
− 磁気共鳴信号を収集する磁気共鳴検査システム、
− 原子核崩壊信号を収集する放射型トモグラフィシステム、
− 磁気共鳴信号から動き補正を取得する分析モジュール、及び
− この動き補正に基づいて、原子核崩壊信号から、動き補正された放射トモグラフィ画像を再構成する再構成モジュール、
を有する本発明に従った診断撮像装置によって達成される。
Claims (9)
- − 磁気共鳴信号を収集する磁気共鳴検査システム、
− 原子核崩壊信号を収集する放射型トモグラフィシステム、
− 前記磁気共鳴信号から動き補正を取得する分析モジュール、及び
− 前記動き補正に基づいて、前記原子核崩壊信号から、動き補正された放射トモグラフィ画像を再構成する再構成モジュール、
を有する診断撮像装置。 - − 前記磁気共鳴検査システム及び前記放射型トモグラフィシステムに結合されたシステムコントローラであり、
− 前記磁気共鳴検査システムによる磁気共鳴信号の収集、及び
− 前記放射型トモグラフィシステムによる原子核崩壊信号の収集、
を制御する機能を有するシステムコントローラ、
を含む請求項1に記載の診断撮像装置。 - − 前記システムコントローラは更に、前記磁気共鳴信号及び前記原子核崩壊信号の収集の時間を整合させる機能を有し、且つ
− 前記動き補正を取得するための磁気共鳴信号、及び前記放射トモグラフィ画像の再構成のための原子核崩壊信号は、等しい収集時間を有する、
請求項2に記載の診断撮像装置。 - 前記システムコントローラによる前記時間の整合は、磁気共鳴信号及び原子核崩壊信号を同時に収集するように前記磁気共鳴検査システム及び前記放射型トモグラフィシステムを制御することにより行われる、請求項3に記載の診断撮像装置。
- 前記システムコントローラによる前記時間の整合は、前記磁気共鳴信号及び前記原子核崩壊信号にタイムスタンプを付与することにより行われる、請求項3に記載の診断撮像装置。
- 前記システムコントローラによる前記時間の整合は、検査対象に放射性医薬品を投与した時点に基づいて、前記磁気共鳴検査システム及び/又は前記放射型トモグラフィシステムによる信号収集をトリガーすることを含む、請求項3に記載の診断撮像装置。
- 前記再構成モジュールは更に、前記動き補正に基づいて、前記磁気共鳴信号から、動き補正された磁気共鳴画像を再構成する、請求項1乃至3の何れかに記載の診断撮像装置。
- 前記磁気共鳴検査システムは、磁気共鳴信号の収集において、k空間の中心領域にデータの冗長性を生じさせるようにk空間を走査する、請求項1に記載の診断撮像装置。
- 請求項2に記載の診断撮像装置及び治療モジュールを有する治療装置であって、前記システムコントローラは更に、前記治療モジュールに結合され、前記診断撮像装置によって生成された画像情報に基づいて前記治療モジュールを制御する機能を有する、治療装置。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP06126443 | 2006-12-19 | ||
| PCT/IB2007/055080 WO2008075265A1 (en) | 2006-12-19 | 2007-12-13 | Motion correction in a pet/mri hybrid imaging system |
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| JP2014209583A Division JP5997230B2 (ja) | 2006-12-19 | 2014-10-14 | Pet/mri複合撮像システムにおける動き補正 |
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| JP2009542308A Pending JP2010512907A (ja) | 2006-12-19 | 2007-12-13 | Pet/mri複合撮像システムにおける動き補正 |
| JP2014209583A Expired - Fee Related JP5997230B2 (ja) | 2006-12-19 | 2014-10-14 | Pet/mri複合撮像システムにおける動き補正 |
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| Country | Link |
|---|---|
| US (1) | US8938280B2 (ja) |
| EP (1) | EP2095147A1 (ja) |
| JP (2) | JP2010512907A (ja) |
| CN (1) | CN101563624B (ja) |
| BR (1) | BRPI0720535A2 (ja) |
| RU (1) | RU2457503C2 (ja) |
| WO (1) | WO2008075265A1 (ja) |
Cited By (4)
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| DE102011007871B4 (de) * | 2011-04-21 | 2017-07-27 | Siemens Healthcare Gmbh | Verfahren zur Erfassung von MR-Bilddaten sowie entsprechende kombinierte MR/ET-Einrichtung |
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- 2007-12-13 EP EP07859376A patent/EP2095147A1/en not_active Ceased
- 2007-12-13 WO PCT/IB2007/055080 patent/WO2008075265A1/en not_active Ceased
- 2007-12-13 CN CN200780046870.0A patent/CN101563624B/zh not_active Expired - Fee Related
- 2007-12-13 JP JP2009542308A patent/JP2010512907A/ja active Pending
- 2007-12-13 BR BRPI0720535-0A patent/BRPI0720535A2/pt not_active Application Discontinuation
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| JP5713468B2 (ja) * | 2010-10-25 | 2015-05-07 | 独立行政法人放射線医学総合研究所 | Pet/mri一体型装置 |
| WO2014073879A1 (en) * | 2012-11-09 | 2014-05-15 | Samsung Electronics Co., Ltd. | Magnetic resonance imaging apparatus and method of acquiring functional image |
| KR101461099B1 (ko) * | 2012-11-09 | 2014-11-13 | 삼성전자주식회사 | 자기공명영상장치 및 기능적 영상획득방법 |
| KR101611442B1 (ko) | 2013-03-26 | 2016-04-11 | 지멘스 악티엔게젤샤프트 | 통합형 자기 공명 양전자 방출 단층촬영 장치의 신호값 표시 방법 및 대응하여 구현된 자기 공명 양전자 방출 단층촬영 장치 |
| US9572493B2 (en) | 2013-03-26 | 2017-02-21 | Siemens Aktiengesellschaft | Method for displaying signal values of a combined magnetic resonance positron emission tomography device and a correspondingly embodied magnetic resonance positron emission tomography device |
| KR20210102958A (ko) * | 2018-12-17 | 2021-08-20 | 지멘스 메디컬 솔루션즈 유에스에이, 인크. | Pet 이미징에서의 자동화된 모션 보정 |
| JP2022513233A (ja) * | 2018-12-17 | 2022-02-07 | シーメンス メディカル ソリューションズ ユーエスエー インコーポレイテッド | Pet画像化中の自動的な動き補正 |
| JP7238134B2 (ja) | 2018-12-17 | 2023-03-13 | シーメンス メディカル ソリューションズ ユーエスエー インコーポレイテッド | Pet画像化中の自動的な動き補正 |
| KR102616736B1 (ko) * | 2018-12-17 | 2023-12-20 | 지멘스 메디컬 솔루션즈 유에스에이, 인크. | Pet 이미징에서의 자동화된 모션 보정 |
Also Published As
| Publication number | Publication date |
|---|---|
| BRPI0720535A2 (pt) | 2014-01-07 |
| RU2009127729A (ru) | 2011-01-27 |
| US8938280B2 (en) | 2015-01-20 |
| RU2457503C2 (ru) | 2012-07-27 |
| CN101563624B (zh) | 2013-08-21 |
| WO2008075265A1 (en) | 2008-06-26 |
| JP2015042986A (ja) | 2015-03-05 |
| JP5997230B2 (ja) | 2016-09-28 |
| CN101563624A (zh) | 2009-10-21 |
| EP2095147A1 (en) | 2009-09-02 |
| US20100106004A1 (en) | 2010-04-29 |
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