JP2008279150A - X線画像撮影装置 - Google Patents
X線画像撮影装置 Download PDFInfo
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- JP2008279150A JP2008279150A JP2007127539A JP2007127539A JP2008279150A JP 2008279150 A JP2008279150 A JP 2008279150A JP 2007127539 A JP2007127539 A JP 2007127539A JP 2007127539 A JP2007127539 A JP 2007127539A JP 2008279150 A JP2008279150 A JP 2008279150A
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- 238000003384 imaging method Methods 0.000 claims abstract description 104
- 238000013170 computed tomography imaging Methods 0.000 claims abstract description 44
- 230000003028 elevating effect Effects 0.000 claims description 3
- 210000003141 lower extremity Anatomy 0.000 description 17
- 230000005855 radiation Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 7
- 238000001514 detection method Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 2
- 238000002591 computed tomography Methods 0.000 description 2
- 230000001678 irradiating effect Effects 0.000 description 2
- 125000002066 L-histidyl group Chemical group [H]N1C([H])=NC(C([H])([H])[C@](C(=O)[*])([H])N([H])[H])=C1[H] 0.000 description 1
- 238000002247 constant time method Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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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
- A61B6/44—Constructional features of apparatus for radiation diagnosis
- A61B6/4476—Constructional features of apparatus for radiation diagnosis related to motor-assisted motion of the source unit
- A61B6/4482—Constructional features of apparatus for radiation diagnosis related to motor-assisted motion of the source unit involving power assist circuits
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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
- A61B6/10—Safety means specially adapted therefor
- A61B6/102—Protection against mechanical damage, e.g. anti-collision devices
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Engineering & Computer Science (AREA)
- Radiology & Medical Imaging (AREA)
- Biomedical Technology (AREA)
- Biophysics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Optics & Photonics (AREA)
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- Heart & Thoracic Surgery (AREA)
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Abstract
【解決手段】技師はX線撮影部の位置をフットスイッチの操作により調整する(S1)。制御部は支持部材位置検知器からの信号により椅子、背当ての被検者支持部材がCT撮影位置にあるかを判断する(S2)。
CT撮影の状態の場合に、制御部は撮影部位置検知器からの信号がCT撮影範囲の間は、技師の操作に従い昇降動作を許可する(S3〜S6)。技師は所望の位置で昇降を停止させる。昇降によりCT移動範囲の限界位置に達するとその位置で停止し、それ以上の昇降は行わないように制御され(S4〜S8)、CT撮影時は常にX線撮影部がCT撮影範囲内に位置する。
また、被検者支持部材が一般静止画撮影の状態にある場合に、制御部は撮影部位置検知器からの信号結果に拘わらず、技師の操作に従ってX線撮影部の昇降が行えるように制御する(S9〜S10)。
【選択図】図4
Description
図1は被検者を回転させながら撮影を行うCT撮影状態時の側面から見た状態の構成図である。X線管球11の前方には、360゜回転可能な回転テーブル12上の被検者Pを介して例えば平面センサであるX線撮影部13が対向して配置されている。X線撮影部13はスライド部14を介して支柱15に取り付けられ、スライド部14は昇降駆動部16により昇降駆動され、X線撮影部13の下限位置は撮影部位置検知器17により検知されるようになっている。
12 回転テーブル
13 X線撮影部
14 スライド部
15 支柱
16 昇降駆動部
17 撮影部位置検知器
18 回転駆動部
19 椅子
20 背当て
21 下肢ガード
24 椅子スライド部材
25 背当てスライド部材
26 椅子位置検知器
27 背当て位置検知器
31 制御部
32 X線発生装置
33 画像取込部
34 フットスイッチ
35 画像処理部
P 被検者
Claims (3)
- X線管球とX線撮影部とを被検者を挟んで対向して配置し、回転テーブルを回転させながら該回転テーブルの上の被検者にX線を照射するCT撮影により被検者の断層像を撮影するX線画像撮影装置において、被検者の撮影対象部位を固定する被検者支持部材と、該被検者支持部材を前記CT撮影位置と撮影範囲外の位置との間で移動させる第1の移動手段と、前記X線撮影部を鉛直方向に移動する第2の移動手段とを有し、前記被検者支持部材が前記CT撮影位置にある場合に前記第2の移動手段の移動範囲に制限を与えることを特徴とするX線画像撮影装置。
- 前記回転テーブルの回転制御を行う回転駆動手段を有し、前記X線撮影部の鉛直方向の位置が制限された可動範囲にある場合にのみ、前記回転駆動手段は前記回転テーブルを回転可能にすることを特徴とする請求項1に記載のX線画像撮影装置。
- 前記第2の移動手段の動作を制御する昇降制御手段とを有し、前記回転テーブルが回転している場合に、前記昇降制御手段は前記X線撮影部の移動を不可とすることを特徴とする請求項1に記載のX線画像撮影装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007127539A JP5500766B2 (ja) | 2007-05-14 | 2007-05-14 | X線画像撮影装置 |
US12/119,215 US7729469B2 (en) | 2007-05-14 | 2008-05-12 | X-ray imaging apparatus |
AT08156195T ATE524110T1 (de) | 2007-05-14 | 2008-05-14 | Röntgenbildgebungsgerät |
EP08156195A EP1992286B1 (en) | 2007-05-14 | 2008-05-14 | X-Ray imaging apparatus |
CN2008100969838A CN101305919B (zh) | 2007-05-14 | 2008-05-14 | X-射线摄像设备 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007127539A JP5500766B2 (ja) | 2007-05-14 | 2007-05-14 | X線画像撮影装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008279150A true JP2008279150A (ja) | 2008-11-20 |
JP5500766B2 JP5500766B2 (ja) | 2014-05-21 |
Family
ID=39816624
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2007127539A Expired - Fee Related JP5500766B2 (ja) | 2007-05-14 | 2007-05-14 | X線画像撮影装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7729469B2 (ja) |
EP (1) | EP1992286B1 (ja) |
JP (1) | JP5500766B2 (ja) |
CN (1) | CN101305919B (ja) |
AT (1) | ATE524110T1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2018130378A (ja) * | 2017-02-16 | 2018-08-23 | キヤノンメディカルシステムズ株式会社 | X線コンピュータ断層撮影装置 |
JP2021192853A (ja) * | 2017-02-01 | 2021-12-23 | キヤノンメディカルシステムズ株式会社 | X線コンピュータ断層撮影装置用の被検体搬送具 |
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2008
- 2008-05-12 US US12/119,215 patent/US7729469B2/en not_active Expired - Fee Related
- 2008-05-14 CN CN2008100969838A patent/CN101305919B/zh not_active Expired - Fee Related
- 2008-05-14 EP EP08156195A patent/EP1992286B1/en not_active Not-in-force
- 2008-05-14 AT AT08156195T patent/ATE524110T1/de not_active IP Right Cessation
Patent Citations (3)
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JPH0698885A (ja) * | 1992-09-22 | 1994-04-12 | Toshiba Corp | 放射線断層撮影装置 |
JP2006043193A (ja) * | 2004-08-05 | 2006-02-16 | Canon Inc | 放射線撮影装置 |
JP2006075236A (ja) * | 2004-09-07 | 2006-03-23 | Canon Inc | X線撮影装置 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2021192853A (ja) * | 2017-02-01 | 2021-12-23 | キヤノンメディカルシステムズ株式会社 | X線コンピュータ断層撮影装置用の被検体搬送具 |
JP7297835B2 (ja) | 2017-02-01 | 2023-06-26 | キヤノンメディカルシステムズ株式会社 | 被検体搬送具 |
JP2018130378A (ja) * | 2017-02-16 | 2018-08-23 | キヤノンメディカルシステムズ株式会社 | X線コンピュータ断層撮影装置 |
Also Published As
Publication number | Publication date |
---|---|
ATE524110T1 (de) | 2011-09-15 |
EP1992286A2 (en) | 2008-11-19 |
CN101305919B (zh) | 2010-09-15 |
EP1992286B1 (en) | 2011-09-14 |
JP5500766B2 (ja) | 2014-05-21 |
EP1992286A3 (en) | 2008-12-31 |
US20090092223A1 (en) | 2009-04-09 |
CN101305919A (zh) | 2008-11-19 |
US7729469B2 (en) | 2010-06-01 |
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