JP2022502199A - Ctシステム及びctシステムに用いられる検出装置 - Google Patents
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Abstract
Description
本願は、2018年12月17日に提出された「CTシステム及びCTシステムに用いられる検出装置」という名称の中国特許出願201811542627.4の優先権を主張しており、その出願の全体が参照として本明細書に組み込まれている。
Claims (12)
- CTシステムに用いられる検出装置であって、
所定の軌跡に沿って配列されている複数列の高エネルギー検出器を含む高エネルギー検出器アセンブリと、
前記高エネルギー検出器アセンブリに積層して設けられ、前記所定の軌跡に沿って間隔を空けて配列されている複数列の低エネルギー検出器を含む低エネルギー検出器アセンブリと、を備え、
前記低エネルギー検出器の列数は前記高エネルギー検出器の列数よりも少なく、
各列の前記低エネルギー検出器は、何れも1列の前記高エネルギー検出器を覆っている検出装置。 - 任意の隣接する2列の前記高エネルギー検出器は、密接に設けられている、
請求項1に記載の検出装置。 - 前記複数列の高エネルギー検出器は、前記所定の軌跡に沿って間隔を空けて配列されている、
請求項1に記載の検出装置。 - 任意の隣接する2列の前記高エネルギー検出器の間には、何れも第1の予め設定されたピッチがある、
請求項1に記載の検出装置。 - 前記低エネルギー検出器により覆われている、任意の隣接する2列の前記高エネルギー検出器の間に、前記低エネルギー検出器により覆われていない少なくとも1列の前記高エネルギー検出器が設けられている、
請求項1に記載の検出装置。 - 前記低エネルギー検出器により覆われている前記高エネルギー検出器と、前記低エネルギー検出器により覆われていない前記高エネルギー検出器とは、前記所定の軌跡に沿って交互に配列されている、
請求項1に記載の検出装置。 - 任意の隣接する2列の前記低エネルギー検出器の間には、何れも第2の予め設定されたピッチがある、
請求項1に記載の検出装置。 - 前記第2の予め設定されたピッチは、5〜80mmであり、又は、
前記第2の予め設定されたピッチは、30〜50mmである、
請求項7に記載の検出装置。 - 前記所定の軌跡は円弧である請求項1に記載の検出装置。
- CTシステムに用いられる検出装置であって、
積層して設けられた1層目の検出器アセンブリと、2層目の検出器アセンブリと、...、N層目の検出器アセンブリとを含み、前記Nは2よりも大きい整数であり、
ここで、前記1層目の検出器アセンブリは、所定の軌跡に沿って配列されている複数列の第1の検出器を含み、前記2層目の検出器アセンブリは、前記所定の軌跡に沿って間隔を空けて配列されている複数列の第2の検出器を含み、...、前記N層目の検出器アセンブリは、前記所定の軌跡に沿って間隔を空けて配列されている複数列の第Nの検出器を含み、
前記第1の検出器のエネルギー応答ピークに対応するエネルギーと、前記第2の検出器のエネルギー応答ピークに対応するエネルギーと、...、前記第Nの検出器のエネルギー応答ピークに対応するエネルギーとは順次に減少し、
k+1層目の検出器アセンブリにおける検出器の列数は、k層目の検出器アセンブリにおける検出器の列数よりも少なく、k=1、2、...、N−1であり、
前記k+1層目の検出器アセンブリにおける各列の検出器は、何れも前記k層目の検出器アセンブリにおける1列の検出器を覆っている検出装置。 - 被検体がCTシステムに出入りするためのスキャンチャネルと、前記スキャンチャネルの周りを回転するスリップリングと、前記スリップリングに接続されている放射線源と、前記放射線源に対向して設けられており、且つ前記スリップリングに接続されている検出装置と、を備えた前記CTシステムであって、
前記検出装置は、請求項1から10のいずれか1項に記載の装置である、
CTシステム。 - 前記検出装置から出力されたデータ信号に基づいて前記被検体のCT画像を再構成するデータ処理モジュールを更に備える、
請求項11に記載のCTシステム。
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CN201811542627.4 | 2018-12-17 | ||
CN201811542627.4A CN109471185B (zh) | 2018-12-17 | Ct系统和用于ct系统的探测装置 | |
PCT/CN2019/105147 WO2020125080A1 (zh) | 2018-12-17 | 2019-09-10 | Ct系统和用于ct系统的探测装置 |
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US (1) | US11768163B2 (ja) |
EP (1) | EP3901669A4 (ja) |
JP (1) | JP7145326B2 (ja) |
SG (1) | SG11202103349RA (ja) |
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US11768163B2 (en) | 2018-12-17 | 2023-09-26 | Nuctech Company Limited | CT system and detection device for CT system |
CN116183639A (zh) * | 2021-11-26 | 2023-05-30 | 同方威视技术股份有限公司 | 面阵探测器、探测方法及相应的集装箱/车辆检查系统 |
US20240169521A1 (en) * | 2022-11-18 | 2024-05-23 | GE Precision Healthcare LLC | Hybrid imaging detector configuration for computed tomography |
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CN105806856B (zh) | 2014-12-30 | 2019-02-19 | 清华大学 | 双能射线成像方法和系统 |
CN105054954A (zh) | 2015-07-17 | 2015-11-18 | 王东良 | 实时多能x射线透视图像的获取及图像处理方法及其系统 |
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US11768163B2 (en) | 2018-12-17 | 2023-09-26 | Nuctech Company Limited | CT system and detection device for CT system |
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- 2019-09-10 EP EP19897922.1A patent/EP3901669A4/en active Pending
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JP2015532974A (ja) * | 2012-09-26 | 2015-11-16 | 同方威視技術股▲分▼有限公司 | Ctシステム及びctシステムに用いられる検知装置 |
JP2016029367A (ja) * | 2014-06-25 | 2016-03-03 | チンホワ ユニバーシティ | 検知器装置、二重エネルギーctシステム及び当該システムを用いた検出方法 |
JP2016070752A (ja) * | 2014-09-29 | 2016-05-09 | シャープ株式会社 | X線画像検出装置 |
CN204479498U (zh) * | 2015-03-04 | 2015-07-15 | 公安部第一研究所 | 一种ct探测装置 |
CN105758873A (zh) * | 2015-03-04 | 2016-07-13 | 公安部第研究所 | 一种ct探测装置及其数据处理方法 |
JP2018529083A (ja) * | 2015-08-07 | 2018-10-04 | コーニンクレッカ フィリップス エヌ ヴェKoninklijke Philips N.V. | 量子ドットに基づくイメージング検出器 |
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WO2020125080A1 (zh) | 2020-06-25 |
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