JP2008039776A - 小さい視野域を有する撮像検出器を用いた撮像のための方法及び装置 - Google Patents
小さい視野域を有する撮像検出器を用いた撮像のための方法及び装置 Download PDFInfo
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Abstract
【解決手段】関心対象構造166を撮像するための装置は、ガントリ110上に装着させた複数の撮像検出器102〜108を備える。複数の撮像検出器102〜108の各々は、視野域(FOV)140、176を有しており、互いに対して独立に移動可能であり、かつ患者142内部の関心対象構造166を撮像するように位置決めされる。データ収集システム126は、複数の撮像検出器102〜108の各々のFOV140、176の範囲内で検出された画像データを受け取る。
【選択図】図2
Description
102 第1の撮像検出器
104 第2の撮像検出器
106 第3の撮像検出器
108 第Nの撮像検出器
110 ガントリ
112 開口
114 患者テーブル
116 ピボット
118 ピボット制御器
120 制御器ユニット
122 脚部
124 ガントリ・モータ制御器
126 データ収集システム
128 画像再構成デバイス
130 放射検出面
132 放射検出面
134 放射検出面
136 放射検出面
138 第1の位置
140 実際のFOV
141 テーブル制御器
142 患者
143 ピボットレンジ
144 上下方向
145 始点
146 左右方向
147 終点
148 内外方向
150 コリメータ
152 コリメータ
154 コリメータ
156 コリメータ
158 第2の位置
162 実効FOV
164 半径制御器
166 関心対象構造
168 ピボット
170 脚部
172 距離
174 第1の位置
176 実際のFOV
178 第N番目の位置
180 第N番目の位置
182 実際のFOV
184 実際のFOV
186 コリメータ制御器
188 実効FOV
190 実効FOV
194 データ記憶デバイス
196 処理ユニット
200 調節可能コリメータ
202 ストリップ
204 ストリップ
206 ストリップ
208 ストリップ
210 第1の方向
212 第2の方向
214 第1の位置
216 実際のFOV
218 第N番目の位置
220 実際のFOV
222 実効FOV
224 関心対象構造
226 第1の位置
228 実際のFOV
230 第N番目の位置
232 実効FOV
234 第1の位置
236 実際のFOV
238 第N番目の位置
242 実効FOV
244 ピンホール形コリメータ
246 ピンホール形コリメータ
Claims (10)
- 関心対象構造166を撮像するための装置であって、
ガントリ110上に装着された複数の撮像検出器102〜108であって、その各々が視野域(FOV)140、176を有しており、その各々が互いに対して独立に移動可能であり、患者142内部の関心対象構造166を撮像するように位置決めされている複数の撮像検出器102〜108と、
前記複数の撮像検出器102〜108の各々のFOV140、176の範囲内で検出された画像データを受け取るためのデータ収集システム126と、
を備える装置。 - 前記複数の撮像検出器102〜108は、患者142の近傍で弧と円の少なくとも一方の形で前記ガントリ110上に装着されている、請求項1に記載の装置。
- 前記複数の撮像検出器102〜108上に装着された複数の調節可能コリメータ200をさらに備えており、該複数の調節可能コリメータ200はさらに前記FOV140、176を画定している、請求項1に記載の装置。
- 前記複数の撮像検出器102〜108上に装着された複数のコリメータをさらに備えており、該複数のコリメータのうちの少なくとも1つはマルチボア・コリメータ、マルチボア集束形コリメータ、マルチボア集束形ファンビーム・コリメータ、マルチボア集束形コーンビーム・コリメータ、マルチボア拡散形コリメータ、及びピンホール形コリメータ244である、請求項1に記載の装置。
- 前記ガントリ110と前記複数の撮像検出器102〜108を相互接続させる複数のピボット116をさらに備えており、該複数のピボット116の各々はFOVを変化させるように該複数の撮像検出器102〜108のピボット運動を許容すること及び該ピボット運動を制御することのうちの少なくとも一方を実行する、請求項1に記載の装置。
- 前記複数の撮像検出器102〜108に装着された複数の構成可能コリメータと、
前記複数の撮像検出器102〜108のうちの少なくとも1つのFOV140、176を変化させるように前記複数の構成可能コリメータのうちの少なくとも1つを調整しているコリメータ制御器186と、
をさらに備える請求項1に記載の装置。 - 関心対象構造166を撮像するための装置であって、
ガントリ110上に装着された複数の撮像検出器102〜108であって、その各々が視野域(FOV)140、176を有すると共に該FOV140、176を変化させるように互いに対して独立に移動可能であり、その少なくとも1つの部分組が患者142内部の関心対象構造166を撮像するように位置決めされている複数の撮像検出器102〜108と、
前記複数の撮像検出器102〜108に装着された複数の構成可能コリメータと、
前記複数の撮像検出器102〜108のFOV140、176の範囲内で検出した画像データを受け取るためのデータ収集システム126と、
を備える装置。 - 前記ガントリ110と前記複数の撮像検出器102〜108のうちの少なくとも1つとを相互接続させる複数のピボット116をさらに備えており、該複数のピボット116はFOV140、176を変化させるように該複数の撮像検出器102〜108を移動させている、請求項7に記載の装置。
- FOV140、176を変化させるように前記複数の構成可能コリメータのうちの少なくとも1つの初期位置を調整しているコリメータ制御器186をさらに備える請求項7に記載の装置。
- 前記複数の構成可能コリメータのうちの少なくとも1つがさらに第1及び第2の方向に沿って配列させた素材ストリップ202〜208を備えており、該第1方向と第2方向は互いに異なっており、該素材ストリップ202〜208はFOV140、176を変化させるように調節可能である、請求項7に記載の装置。
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| US11/498,630 US7592597B2 (en) | 2006-08-03 | 2006-08-03 | Method and apparatus for imaging with imaging detectors having small fields of view |
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| JP2012225927A (ja) * | 2011-04-21 | 2012-11-15 | Toshiba Corp | 医用画像診断装置及び制御方法 |
| JP2012225929A (ja) * | 2011-04-21 | 2012-11-15 | Toshiba Corp | PET(PositronEmissionTomography)スキャナ |
| JP2012225928A (ja) * | 2011-04-21 | 2012-11-15 | Toshiba Corp | PET(PositronEmissionTomography)スキャナ |
| US8502154B2 (en) | 2011-04-21 | 2013-08-06 | Kabushiki Kaisha Toshiba | Method and system for organ specific PET imaging |
| US9322929B2 (en) | 2011-04-21 | 2016-04-26 | Kabushiki Kaisha Toshiba | PET imaging system including detector elements of different design and performance |
| WO2012144636A1 (ja) * | 2011-04-21 | 2012-10-26 | 株式会社東芝 | 医用画像診断装置及び制御方法 |
| JP2013200306A (ja) * | 2012-03-23 | 2013-10-03 | General Electric Co <Ge> | エミッション・データに基づいた核医学イメージングにおける減衰補償のためのシステム及び方法 |
| US10209376B2 (en) | 2013-12-20 | 2019-02-19 | General Electric Company | Systems for image detection |
| JP2017501408A (ja) * | 2013-12-20 | 2017-01-12 | ゼネラル・エレクトリック・カンパニイ | 独立して制御可能な検出器を使用する撮像システム |
| KR20160098461A (ko) * | 2013-12-20 | 2016-08-18 | 제네럴 일렉트릭 컴퍼니 | 독립적으로 제어 가능한 디텍터를 사용한 촬영 시스템 |
| KR102301868B1 (ko) * | 2013-12-20 | 2021-09-16 | 제네럴 일렉트릭 컴퍼니 | 독립적으로 제어 가능한 디텍터를 사용한 촬영 시스템 |
| JP2017020865A (ja) * | 2015-07-09 | 2017-01-26 | 富士電機株式会社 | 放射線モニタ及びハンドフットクロスモニタ |
| JP2017044529A (ja) * | 2015-08-25 | 2017-03-02 | 東芝メディカルシステムズ株式会社 | 核医学診断装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| US7592597B2 (en) | 2009-09-22 |
| US20080029704A1 (en) | 2008-02-07 |
| DE102007035673A1 (de) | 2008-02-07 |
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