JP6412936B2 - 3次元x線像を撮影する方法 - Google Patents
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- 238000010521 absorption reaction Methods 0.000 description 7
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- 239000012530 fluid Substances 0.000 description 6
- 230000006870 function Effects 0.000 description 6
- 238000002591 computed tomography Methods 0.000 description 4
- 238000011983 digital volume tomography Methods 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 3
- 210000001519 tissue Anatomy 0.000 description 3
- 238000003909 pattern recognition Methods 0.000 description 2
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- 239000000853 adhesive Substances 0.000 description 1
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- 238000004458 analytical method Methods 0.000 description 1
- 238000007621 cluster analysis Methods 0.000 description 1
- 210000004283 incisor Anatomy 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
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- A61B6/50—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications
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- A61F13/20—Tampons, e.g. catamenial tampons; Accessories therefor
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Description
Claims (11)
- X線源(4)と、X線検出器(5)と、データ処理システム(19)と、X線吸収特性を制御することができる複数のシャッター素子(18)を有するシャッターマトリクス(7)と、を備えるX線システム(3)を用いて物体(2)の3次元X線像(1)を撮影する方法であって、
前記物体(2)の少なくとも1つの第1の撮影対象エリア(21)が画定され、前記シャッターマトリクス(7)の個別の前記シャッター素子(18)のための設定値は、前記画定された第1の撮影対象エリア(21)を考慮して、様々な回転位置(14,15,16,17)に対して予め定められ、
複数の2次元X線像が前記シャッター素子(18)の前記予め定められた設定値を使用して少なくとも1つの部分的な回転(9)の間に予め定められた前記回転位置(14,15,16,17)から撮影され、
前記第1の撮影対象エリア(21)の全体的な3次元X線像(1)は、個別の前記2次元X線像から生成され、
前記第1の撮影対象エリア(21)から空間的に離れている少なくとも1つの第2の撮影対象エリアが前記第1の撮影対象エリア(21)に加えて画定され、前記シャッターマトリクス(7)の前記シャッター素子(18)は、2つ以上の空間的に離れたエリアを同時に撮影するために、前記第1の撮影対象エリア(21)および前記少なくとも1つの第2の撮影対象エリアが同時に撮影されるように制御されることを特徴とし、
前記シャッターマトリクス(7)は、1つの平面内のシャッター素子(18)の配置であることを特徴とする、方法。 - 前記第1の撮影対象エリア(21)は、前記3次元X線像が撮影される前に撮影された全体像(31)の中で決定されることを特徴とする、請求項1に記載の方法。
- 前記全体像(31)は、2次元光学像、3次元光学像、2次元X線像、または3次元X線像であることを特徴とする、請求項2に記載の方法。
- ユーザが入力手段(28,29)を使用してコンピュータ(19)によって前記全体像(31)の中で前記第1の撮影対象エリア(21)を手動で画定することを特徴とする、請求項2または3に記載の方法。
- 前記第1の撮影対象エリア(21)は、ある種の所定の解剖学的エリア(21)がコンピュータ支援検索アルゴリズムを用いて認識されるコンピュータ(19)によって自動的に前記全体像(31)の中で画定されることを特徴とする、請求項2または3に記載の方法。
- 前記第1の撮影対象エリア(21)は、頭部モデルのある種の解剖学的構造が、前記X線源(4)、前記X線検出器(5)および前記シャッターマトリクス(7)の互いに相対的な既知の位置関係を使用して、および、データメモリに記憶された患者のモデルの寸法を使用して、前記第1の撮影対象エリア(21)として画定される予備選択において画定されることを特徴とする、請求項1に記載の方法。
- 前記第1の撮影対象エリア(21)は、少なくとも1つの解剖学的構造を含むことを特徴とする、請求項1から6のいずれかに記載の方法。
- 前記解剖学的構造は、上顎、下顎(21)、右顎関節および/または左顎関節、または、この解剖学的構造の一部分であることを特徴とする、請求項7に記載の方法。
- 前記シャッターマトリクス(7)の前記シャッター素子(18)のための前記設定値は、少なくとも部分的な回転中に撮影対象である解剖学的構造(21)に合わせて調節され、前記撮影対象である解剖学的構造(21)は、前の回転位置(14)からの少なくとも1つの前の2次元X線像の中で検出され、前記シャッターマトリクス(7)の前記シャッター素子(18)のための前記設定値は、その後、後の回転位置(15)からの後のX線像のため、前記前の回転位置(14)の前記前のX線像からの前記検出された解剖学的構造(21)の寸法に合わせて調節されることを特徴とする、請求項1から8のいずれかに記載の方法。
- 前記シャッターマトリクス(7)の前記シャッター素子(18)のための前記設定値は、各回転位置(14,15,16,17)に対して、像単位で、段階的に前記解剖学的構造(21)に合わせて調節されることを特徴とする、請求項9に記載の方法。
- 前記シャッターマトリクスは、単一の行内のシャッター素子の直線状配置であることを特徴とする、請求項1から10のいずれかに記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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DE102013213876.8A DE102013213876A1 (de) | 2013-07-16 | 2013-07-16 | Verfahren zur Durchführung einer dreidimensionalen Röntgenaufnahme |
DE102013213876.8 | 2013-07-16 | ||
PCT/EP2014/065217 WO2015007765A1 (de) | 2013-07-16 | 2014-07-16 | Verfahren zur durchführung einer dreidimensionalen röntgenaufnahme |
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JP2016524965A JP2016524965A (ja) | 2016-08-22 |
JP6412936B2 true JP6412936B2 (ja) | 2018-10-24 |
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US (1) | US10357212B2 (ja) |
EP (1) | EP3021756B1 (ja) |
JP (1) | JP6412936B2 (ja) |
KR (1) | KR102304968B1 (ja) |
DE (1) | DE102013213876A1 (ja) |
WO (1) | WO2015007765A1 (ja) |
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US10233995B2 (en) | 2016-03-17 | 2019-03-19 | Mando Corporation | Shock absorber for railway vehicle |
US20230148974A1 (en) * | 2021-04-02 | 2023-05-18 | Jianqiang Liu | X-ray Multi-leaf Dynamic Collimation for Multiple Source-in-motion Tomosynthesis Imaging System |
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US4592083A (en) * | 1984-03-27 | 1986-05-27 | Tokyo Shibaura Denki Kabushiki Kaisha | High speed x-ray shutter |
JPH04210049A (ja) * | 1990-12-10 | 1992-07-31 | Yokogawa Medical Syst Ltd | X線断層撮影方法および装置 |
JP2001509899A (ja) * | 1997-10-06 | 2001-07-24 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | X線フィルタを含むx線検査装置 |
CN1300436A (zh) | 1998-05-22 | 2001-06-20 | 皇家菲利浦电子有限公司 | 包括x射线滤光器的x射线检查装置 |
JP2000023970A (ja) | 1998-07-09 | 2000-01-25 | Hitachi Medical Corp | X線ct装置 |
DE10221634B4 (de) * | 2002-05-15 | 2005-08-18 | Siemens Ag | Vorrichtung zur örtlichen Modulation eines zweidimensionalen Röntgenstrahlenfeldes und Röntgenbildsystem mit einer solchen Vorrichtung, sowie deren Verwendung |
WO2005000121A1 (en) * | 2003-06-30 | 2005-01-06 | Koninklijke Philips Electronics N.V. | Contour and scout scanning technique for pulsed x-ray large area ct detectors |
DE10348796B4 (de) * | 2003-10-21 | 2007-09-27 | Siemens Ag | Vorrichtung zur räumlichen Modulation eines Röntgenstrahlbündels und Röntgenbildsystem |
US7068751B2 (en) * | 2003-10-27 | 2006-06-27 | General Electric Company | System and method of determining a center of mass of an imaging subject for x-ray flux management control |
US7310407B2 (en) * | 2004-09-03 | 2007-12-18 | Juni Jack E | Nuclear medical imaging device |
JP2006311882A (ja) * | 2005-05-06 | 2006-11-16 | Ge Medical Systems Global Technology Co Llc | 放射線ct装置 |
DE112006002694B4 (de) | 2005-10-17 | 2023-02-23 | J. Morita Mfg. Corp. | Medizinisches, digitales Röntgenbildgerät und medizinischer und digitaler Röntgenstrahlungssensor |
JP5498061B2 (ja) | 2009-06-11 | 2014-05-21 | 株式会社東芝 | X線コンピュータ断層撮影装置 |
DE102010040096A1 (de) * | 2010-09-01 | 2012-03-01 | Sirona Dental Systems Gmbh | Verfahren zur Erstellung einer Aufnahme aus einem 3D-Volumen |
DE102010040812A1 (de) * | 2010-09-15 | 2012-03-15 | Siemens Aktiengesellschaft | Verfahren zur Einblendung eines exzentrisch angeordneten Teilobjekts |
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- 2013-07-16 DE DE102013213876.8A patent/DE102013213876A1/de active Pending
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- 2014-07-16 WO PCT/EP2014/065217 patent/WO2015007765A1/de active Application Filing
- 2014-07-16 EP EP14750156.3A patent/EP3021756B1/de active Active
- 2014-07-16 KR KR1020167003862A patent/KR102304968B1/ko active IP Right Grant
- 2014-07-16 US US14/905,750 patent/US10357212B2/en active Active
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EP3021756A1 (de) | 2016-05-25 |
EP3021756B1 (de) | 2019-05-29 |
DE102013213876A1 (de) | 2015-01-22 |
US20160157796A1 (en) | 2016-06-09 |
JP2016524965A (ja) | 2016-08-22 |
KR102304968B1 (ko) | 2021-09-23 |
US10357212B2 (en) | 2019-07-23 |
KR20160032200A (ko) | 2016-03-23 |
WO2015007765A1 (de) | 2015-01-22 |
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