JP2017501408A - 独立して制御可能な検出器を使用する撮像システム - Google Patents
独立して制御可能な検出器を使用する撮像システム Download PDFInfo
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- G01T1/29—Measurement performed on radiation beams, e.g. position or section of the beam; Measurement of spatial distribution of radiation
- G01T1/2914—Measurement of spatial distribution of radiation
- G01T1/2985—In depth localisation, e.g. using positron emitters; Tomographic imaging (longitudinal and transverse section imaging; apparatus for radiation diagnosis sequentially in different planes, steroscopic radiation diagnosis)
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- G01T1/161—Applications in the field of nuclear medicine, e.g. in vivo counting
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Abstract
Description
12,62 ガントリ
14 パレット
16 ベッド機構
18 対象
22,22a〜22l 検出器列、検出器ユニット
24,100 患者
26,26a〜26f コリメータ
28,104 心臓
30 検出器コントローラ
32 プロセッサ
34 画像再構成モジュール
36 画像情報
38 メモリ
39 ユーザ入力
40 ディスプレイ
42 ネットワーク
44 検出器列アーム、径方向動きアーム
48 径方向動きモータ
50,160,164,170,172,180 検出器ヘッド
52 スィープモータ
53 スィープ枢動軸線
54,182,184 検出器要素
56 コリメータ
60 NM医療撮像システム
64 受け器位置
71 検出器列取付け状態
72 スィープモータ状態
73 径方向動きモータ状態
74 検出器要素構成状態
75 他の据付要因
76 撮像スキャンタイプ情報
77 着目領域情報
78 患者配置情報
79 他のユーザ入力要因
102 ベッド
106 遠い位置
108 患者エリア
110 検出器列
112 検出器列
140 初期配置
142,144 軌道的な配置
146、152、210、212、214 ガントリ回転範囲
148A〜148C 検出器列
150A〜150C 検出器列
152 ガントリ回転範囲
154 検出器列
162 検出器要素位置
Claims (25)
- ガントリ(12)と、
前記ガントリ(12)内に据え付けられた複数の撮像検出器ユニット(22)であって、前記複数の検出器ユニット(22)のうちの少なくとも1つが、前記検出器ユニット(22)のうちの少なくとも1つを対象(18)に対して配置するように前記ガントリ(12)に対して移動可能である、複数の撮像検出器ユニット(22)と、
少なくとも1つの検出器ユニット(22)の独立した配置を制御するように構成されたコントローラ(30)と、を備え、
前記コントローラ(30)が、据付情報を受信すると、少なくとも1つの検出器ユニット(22)の配置を撮像動作のために適応的に変更する、適応撮像システム(10)。 - 追加の検出器ユニット(22)を受けるように適応された、前記ガントリ(12)内の空いている受け器位置(64)を更に備える、請求項1に記載の撮像システム(10)。
- 前記複数の検出器ユニット(22)のうちの少なくとも幾つかが、単一光子放出型コンピュータトモグラフィ(SPECT)データを取得するように構成される、請求項1に記載の撮像システム(10)。
- 前記検出器ユニット(22)がガンマ線検出材料を含む、請求項1に記載の撮像システム(10)。
- 少なくとも1つの検出器ユニット(22)が、検出器要素(54)を備える回転可能な検出器ヘッド(50)を備え、
前記コントローラ(30)が、前記据付情報の受信に基づいて、検出器ヘッド(50)の角度を適応的に調節するように更に構成される、請求項1に記載の撮像システム(10)。 - 各検出器ヘッド(50)が、前記コントローラ(30)からの命令に基づいて前記検出器ヘッド(50)の回転角度を変化させるためのスィープモータ(52)を更に備え、
前記据付情報が、前記スィープモータ(52)の現在の動作状態に関連する情報を含む、請求項5に記載の撮像システム(10)。 - 前記据付情報が検出器ユニット取付け状態(71)である、請求項1に記載の撮像システム(10)。
- 前記検出器ユニット取付け状態(71)が、検出器ユニット(22)が据え付けられている前記ガントリ(12)内の受け器位置(64)に関する情報、および検出器ユニット(22)が据え付けられていない前記ガントリ(12)内の受け器位置(64)に関する情報を含む、請求項7に記載の撮像システム(10)。
- 前記検出器ユニット(22)が、複数の検出器要素(54)を備え、
前記据付情報が検出器要素構成状態(74)である、請求項1に記載の撮像システム(10)。 - 前記検出器要素構成状態(74)が、検出器ユニット(22)内における、検出器要素(54)が据え付けられている位置、および検出器要素(54)を据え付けることができるが据え付けられていない位置に関連する情報を含む、請求項9に記載の撮像システム(10)。
- 前記検出器要素構成状態(74)が、前記検出器要素(54)が摺動タイプの検出器要素(54)を含むかどうかに関連する情報を含む、請求項9に記載の撮像システム(10)。
- 前記検出器要素構成状態(74)が、撮像動作中にガンマ線を取得するために使用される、前記検出器要素(54)に埋め込まれたシンチレータ材料または半導体材料に関連する情報を含む、請求項9に記載の撮像システム(10)。
- 前記検出器要素構成状態(74)がコリメータ(26)のタイプに関連する、請求項9に記載の撮像システム(10)。
- 前記複数の検出器ユニット(22)のうちの少なくとも1つが、径方向動きアーム(44)および径方向動きモータ(48)を含み、
前記据付情報が、前記径方向動きモータ(48)の現在の動作状態に関連する情報を含む、請求項1に記載の撮像システム(10)。 - 実施されるべき撮像動作に関連するユーザ入力(39)を更に含み、
前記コントローラ(30)が、前記据付情報に基づいて全撮像動作時間予測値を計算する、請求項1に記載の撮像システム(10)。 - 前記コントローラ(30)が、前記計算された動作時間予測値を前記撮像動作のタイプに関連する閾値と比較し、前記閾値に達した場合に、据付情報を変化させるための推奨を出力する、請求項15に記載の撮像システム(10)。
- 少なくとも1つの検出器ユニット(22)の配置が、前記対象(18)に対する新たな径方向軸線を前記検出器ユニット(22)に与えるために、前記ガントリ(12)の周りの軌道的な動きで前記検出器ユニット(22)を移動させることにより変更される、請求項1に記載の撮像システム(10)。
- 前記コントローラ(30)が、加えてスキャンタイプ情報(76)または患者医療情報を受信すると、撮像動作のために少なくとも1つの検出器ユニット(22)の配置を変更する、請求項1に記載の撮像システム(10)。
- 前記据付情報および要請された撮像動作に基づく画像取得シナリオを展開し、
前記展開された画像取得シナリオに基づいて、前記ガントリ(12)内に据え付けられた少なくとも1つの検出器ユニット(22)の物理的配置を構成し、
前記検出器ユニット(22)から画像情報を取得するように、前記コントローラ(30)が更に構成される、請求項1に記載の撮像システム(10)。 - 非一時的なコンピュータ読み取り可能な記憶媒体であって、命令を含むコンピュータプログラムを記憶しており、前記命令が、コンピュータ(32)により実行されると、前記コンピュータ(32)に、
ガントリ(12)内に取り付けられた複数の撮像検出器ユニット(22)に関連する据付情報を決定させ、
前記据付情報および要請された撮像動作に基づく画像取得シナリオを展開させ、
前記展開された画像取得シナリオに基づいて、前記ガントリ(12)に取り付けられた少なくとも1つの検出器ユニット(22)の物理的位置を設定させ、
前記検出器ユニット(22)から画像情報を取得させる、記憶媒体。 - 前記コンピュータ(32)が、画像取得シナリオの前記展開の実行に際して、
計算された最短動作時間に基づいて画像取得シナリオを選択し、前記動作時間が、画像取得に関連する時間を前記対象(18)の調節または前記検出器ユニット(22)の調節に関連する時間に組み合わせることにより計算される、請求項20に記載のコンピュータ読み取り可能な記憶媒体。 - 前記命令が、更に前記コンピュータ(32)に、
前記計算された動作時間を前記撮像動作のタイプまたは患者医療情報に関連する閾値と比較させ、
前記閾値に達した場合に、据付情報を変化させるための推奨を出力させる、請求項21に記載のコンピュータ読み取り可能な記憶媒体。 - 各検出器ユニット(22)が、複数の検出器要素(54)を含み、前記据付情報が、前記検出器要素(54)の前記構成に関連する、請求項20に記載のコンピュータ読み取り可能な記憶媒体。
- 前記複数の検出器ユニット(22)のうちの少なくとも幾つかが、単一光子放出型コンピュータトモグラフィ(SPECT)データを取得するように構成される、請求項20に記載のコンピュータ読み取り可能な記憶媒体。
- 前記命令が、更に前記コンピュータ(32)に、
前記画像取得シナリオに基づいて画像再構成アルゴリズムを適応させ、
前記適応された画像再構成アルゴリズムに基づいて画像を再構成させ、
前記再構成された画像を表示させる、請求項20に記載のコンピュータ読み取り可能な記憶媒体。
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Application Number | Priority Date | Filing Date | Title |
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US14/135,751 | 2013-12-20 | ||
US14/135,751 US9029791B1 (en) | 2013-12-20 | 2013-12-20 | Imaging system using independently controllable detectors |
PCT/US2014/055822 WO2015094440A1 (en) | 2013-12-20 | 2014-09-16 | Imaging system using independently controllable detectors |
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JP6496737B2 JP6496737B2 (ja) | 2019-04-03 |
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IL282613A (en) | 2021-06-30 |
KR102301868B1 (ko) | 2021-09-16 |
US9903962B2 (en) | 2018-02-27 |
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US20180188393A1 (en) | 2018-07-05 |
IL246119B (en) | 2021-05-31 |
US9213110B2 (en) | 2015-12-15 |
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