JP2012125573A - 積重ね型フラット・パネルx線検出器アセンブリ及び該検出器アセンブリを製造する方法 - Google Patents
積重ね型フラット・パネルx線検出器アセンブリ及び該検出器アセンブリを製造する方法 Download PDFInfo
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Abstract
【解決手段】X線検出器アセンブリ(84)が、第一のフラット・パネル型ディジタル投影検出器(86)と、第二のフラット・パネル型ディジタル投影検出器(90)とを含んでいる。X線検出器アセンブリ(84)はさらに、X線透過方向にX線源(74)から第二のフラット・パネル型ディジタル投影検出器(90)に向かって発散するX線を受光しないように第二のフラット・パネル型ディジタル投影検出器(86)を遮断する第一の位置において第一のフラット・パネル型ディジタル投影検出器(84)を整列させるように構成されている第一の検出器装着構造(88)を含んでいる。
【選択図】図6
Description
12:ガントリ
14:X線源
16:検出器アセンブリ
18:複数の検出器
20:データ取得システム(DAS)
22:投射X線
24:患者
26:回転中心
28:制御機構
30:X線制御器
32:ガントリ・モータ制御器
34:画像再構成器
36:コンピュータ
38:大容量記憶装置
40:コンソール
42:表示器
44:テーブル・モータ制御器
46:電動テーブル
48:ガントリ開口
50:レール
52:コリメート用プレート
54:ピクセル素子
56:パック
58:ピン
60:背面照射型ダイオード・アレイ
62:複数のダイオード
64:多層基材
66:スペーサ
68:軟質(フレックス)回路
70:面
72:イメージング・システム
74:X線源
76:回転中心
78:回転式ガントリ
80:X線ビーム
82:患者
84:検出器アセンブリ
86:第一のフラット・パネル型ディジタル投影放射線撮影検出器
88:第一の装着ブラケット
90:第二のフラット・パネル型ディジタル投影放射線撮影検出器
92:第二の装着ブラケット
94:ピクセル
96:走査線
98:読み出し線
100:読み出しチャネル
102:y方向
104:関心領域
106:X線透過方向
108:第一のフラット・パネル検出器の上面
110:第二のフラット・パネル検出器の上面
112:x方向
114:第一のフラット・パネル検出器の第一の側面
116:第一のフラット・パネル検出器の第二の側面
118:z方向
120:第一のフラット・パネル検出器の第三の側面
122:第一のフラット・パネル検出器の第四の側面
124:第二のフラット・パネル検出器の第一の側面
126:第二のフラット・パネル検出器の第二の側面
128:第二のフラット・パネル検出器の第三の側面
130:第二のフラット・パネル検出器の第四の側面
132:関心領域の全投影
134、136:フラット・パネル・コリメータ・アセンブリ又はグリッド
140:イメージング・システム
142:ノッチ・フィルタ
144:ガイド・レール
146:小包/手荷物検査システム
148:回転式ガントリ
150:開口
152:高周波電磁エネルギ源
154:検出器アセンブリ
156:コンベヤ・システム
158:コンベヤ・ベルト
160:構造
162:小包又は手荷物
Claims (10)
- 第一のフラット・パネル型ディジタル投影検出器(86)と、
第二のフラット・パネル型ディジタル投影検出器(90)と、
X線透過方向にX線源(74)から前記第二のフラット・パネル型ディジタル投影検出器(90)に向かって発散するX線を受光しないように前記第二のフラット・パネル型ディジタル投影検出器(90)を遮断する第一の位置において前記第一のフラット・パネル型ディジタル投影検出器(86)を整列させるように構成されている第一の検出器装着構造(88)と
を備えたX線検出器アセンブリ(84)。 - 前記第一及び第二のフラット・パネル型ディジタル投影検出器(86、90)は、平均的な成人の心臓の完全投影に寸法が少なくとも等しい検出範囲面積を有するディジタル投影放射線撮影検出器を含んでいる、請求項1に記載のX線検出器アセンブリ(84)。
- 前記第一の検出器装着構造(88)は、前記第一のフラット・パネル型ディジタル投影検出器(86)を前記第一の位置と第二の位置との間で移動させることを可能にするように構成されているガイド・レールを含んでおり、
前記第二の位置にあるときに、前記第一のフラット・パネル型ディジタル投影検出器(86)は、前記X線透過方向に前記X線源(74)から発散するX線が、前記第一のフラット・パネル型ディジタル投影検出器(86)を通過せずに前記第二のフラット・パネル型ディジタル投影検出器(90)に入射するように、前記第二のフラット・パネル型ディジタル投影検出器(90)との整列を外される、請求項1に記載のX線検出器アセンブリ(84)。 - 所与のエネルギ帯の範囲内でX線を濾波するように選択されるX線減弱材料を含むノッチ・フィルタ(142)をさらに含んでいる請求項1に記載のX線検出器アセンブリ(84)。
- 前記ノッチ・フィルタ(142)は、前記第一及び第二のフラット・パネル型ディジタル投影検出器(90)の間に配置される、請求項4に記載のX線検出器アセンブリ(84)。
- 前記ノッチ・フィルタ(142)は、前記第一のパネル型ディジタル投影検出器と前記X線源(74)との間に配置される、請求項4に記載のX線検出器アセンブリ(84)。
- 前記第一のフラット・パネル型ディジタル投影検出器(86)は低エネルギX線を吸収するように構成されており、
前記第二のフラット・パネル型ディジタル投影検出器(90)は高エネルギX線を吸収するように構成されている、請求項1に記載のX線検出器アセンブリ(84)。 - 前記第一のフラット・パネル型ディジタル投影検出器(86)は、前記X線透過方向において前記第二のフラット・パネル型ディジタル投影検出器(86)の厚みよりも小さい厚みを有する、請求項7に記載のX線検出器アセンブリ(84)。
- 前記第一のフラット・パネル型ディジタル投影検出器(86)は、高エネルギX線を吸収するように構成されている第一のシンチレート物質を含んでおり、
前記第二のフラット・パネル型ディジタル投影検出器(90)は、低エネルギX線を吸収するように構成されている第二のシンチレート物質を含んでいる、請求項7に記載のX線検出器アセンブリ(84)。 - 前記第一及び第二のフラット・パネル型ディジタル投影検出器(86、90)は、チャネル方向に約20cmの幅を有している、請求項1に記載のX線検出器アセンブリ(84)。
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US12/967,101 | 2010-12-14 | ||
US12/967,101 US8488736B2 (en) | 2006-09-19 | 2010-12-14 | Stacked flat panel x-ray detector assembly and method of making same |
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JP2012125573A true JP2012125573A (ja) | 2012-07-05 |
JP2012125573A5 JP2012125573A5 (ja) | 2015-01-22 |
JP5897890B2 JP5897890B2 (ja) | 2016-04-06 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20140148248A (ko) * | 2013-06-21 | 2014-12-31 | 삼성전자주식회사 | X선 검출기에서 자동으로 노출을 감지하는 방법 및 이를 위한 장치 |
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 |
JP2016534374A (ja) * | 2013-10-23 | 2016-11-04 | ナノヴィジョン・テクノロジー・(ベイジン)・カンパニー・リミテッド | 光子計数に基づく放射線結像システム、方法、及びそのデバイス |
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JP5897890B2 (ja) | 2016-04-06 |
US20110080995A1 (en) | 2011-04-07 |
US8488736B2 (en) | 2013-07-16 |
DE102011056349A1 (de) | 2012-06-14 |
CN102525536B (zh) | 2015-10-07 |
CN102525536A (zh) | 2012-07-04 |
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