JP4733580B2 - X線ct装置 - Google Patents
X線ct装置 Download PDFInfo
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- JP4733580B2 JP4733580B2 JP2006196771A JP2006196771A JP4733580B2 JP 4733580 B2 JP4733580 B2 JP 4733580B2 JP 2006196771 A JP2006196771 A JP 2006196771A JP 2006196771 A JP2006196771 A JP 2006196771A JP 4733580 B2 JP4733580 B2 JP 4733580B2
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- 230000007246 mechanism Effects 0.000 claims description 22
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- 238000003384 imaging method Methods 0.000 description 8
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- 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
- A61B6/508—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 for non-human patients
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Description
Claims (4)
- 被検体に照射されるX線を発生するX線発生部と前記被検体を透過したX線を検出するX線検出部とを備えたX線測定ユニットと、
前記X線測定ユニットを前記被検体の周囲で回転させる回転機構と、
前記被検体の体軸方向であるZ軸方向において前記被検体に対する前記X線測定ユニットの位置を移動させるスライド機構と、
前記Z軸方向の各位置に前記X線測定ユニットを位置決めた状態で取得されるデータを処理する手段であって、前記Z軸方向の各位置において、前記回転機構による各回転走査ごとに前記X線検出部で取得されるデータセットを入力し、回転走査の開始から現在までの一連のデータセットが反映された積算合成画像を形成するデータ処理手段と、
前記Z軸方向の各位置において前記回転走査の開始から繰り返し更新される積算合成画像を表示する表示部と、
前記Z軸方向の所定位置における前記積算合成画像の更新表示過程においてユーザからの画像承認操作を検出する検出手段と、
前記Z軸方向の所定位置における前記積算合成画像の更新表示過程において前記画像承認操作が検出された場合に前記積算合成画像の形成を終了させると共にそれまでの積算数を特定し、その後における前記Z軸方向の各位置での前記X線測定ユニットの回転走査回数を前記積算数と同数に定める制御手段と、
を含むことを特徴とするX線CT装置。 - 請求項1記載のX線CT装置において、
前記データ処理手段は、
前記各回転走査ごとに取得されるデータセットに基づいて断層画像を形成する再構成演算部と、
前記各回転走査ごとに形成される断層画像に基づいた平均化処理により前記積算合成画像を形成する平均化演算部と、
を含むことを特徴とするX線CT装置。 - 請求項1記載のX線CT装置において、
前記表示部には前記積算合成画像の更新表示過程において前記積算合成画像とともに現在までの回転走査回数を表す情報が表示されることを特徴とするX線CT装置。 - 請求項1記載のX線CT装置において、
前記被検体は小動物であり、
前記回転機構は、前記X線測定ユニットの一方向回転走査と他方向回転走査とが交互に実行されるようにする機構であり、
前記制御部は、前記Z軸方向の所定位置におけるいずれかの回転走査の途中で前記画像承認操作を検出した場合に当該回転走査の完了を待ってから前記回転機構の動作を停止させる、ことを特徴とするX線CT装置。
Priority Applications (1)
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JP2006196771A JP4733580B2 (ja) | 2006-07-19 | 2006-07-19 | X線ct装置 |
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JP2006196771A JP4733580B2 (ja) | 2006-07-19 | 2006-07-19 | X線ct装置 |
Publications (2)
Publication Number | Publication Date |
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JP2008022961A JP2008022961A (ja) | 2008-02-07 |
JP4733580B2 true JP4733580B2 (ja) | 2011-07-27 |
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JP2006196771A Active JP4733580B2 (ja) | 2006-07-19 | 2006-07-19 | X線ct装置 |
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JP (1) | JP4733580B2 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5387018B2 (ja) * | 2008-06-02 | 2014-01-15 | 株式会社島津製作所 | X線断層像撮影装置 |
JP5211880B2 (ja) * | 2008-06-17 | 2013-06-12 | 株式会社島津製作所 | X線断層像撮影装置 |
CN108226195B (zh) * | 2017-12-28 | 2023-10-13 | 清华大学 | Ct检查系统和ct成像方法 |
US20230103344A1 (en) * | 2019-08-21 | 2023-04-06 | Shimadzu Corporation | X-Ray Imaging Method and X-Ray Imaging System |
CN114113165B (zh) * | 2021-12-08 | 2023-08-08 | 北京航星机器制造有限公司 | 一种用于安检设备的行包判读方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH105208A (ja) * | 1996-06-19 | 1998-01-13 | Ge Yokogawa Medical Syst Ltd | X線ct撮像方法および装置 |
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- 2006-07-19 JP JP2006196771A patent/JP4733580B2/ja active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH105208A (ja) * | 1996-06-19 | 1998-01-13 | Ge Yokogawa Medical Syst Ltd | X線ct撮像方法および装置 |
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