JP4446744B2 - 位置の調節が可能であるx線検出器を具備するx線装置 - Google Patents
位置の調節が可能であるx線検出器を具備するx線装置 Download PDFInfo
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- JP4446744B2 JP4446744B2 JP2003574042A JP2003574042A JP4446744B2 JP 4446744 B2 JP4446744 B2 JP 4446744B2 JP 2003574042 A JP2003574042 A JP 2003574042A JP 2003574042 A JP2003574042 A JP 2003574042A JP 4446744 B2 JP4446744 B2 JP 4446744B2
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- 238000007689 inspection Methods 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 6
- 239000013598 vector Substances 0.000 description 5
- ULEBESPCVWBNIF-BYPYZUCNSA-N L-arginine amide Chemical compound NC(=O)[C@@H](N)CCCNC(N)=N ULEBESPCVWBNIF-BYPYZUCNSA-N 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 4
- 238000006731 degradation reaction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000004876 x-ray fluorescence Methods 0.000 description 4
- 238000004590 computer program Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000011896 sensitive detection Methods 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
- A61B6/4429—Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units
- A61B6/4435—Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units the source unit and the detector unit being coupled by a rigid structure
- A61B6/4441—Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units the source unit and the detector unit being coupled by a rigid structure the rigid structure being a C-arm or U-arm
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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
- A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
- A61B6/027—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis characterised by the use of a particular data acquisition trajectory, e.g. helical or spiral
-
- 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
- A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
- A61B6/03—Computed tomography [CT]
- A61B6/032—Transmission computed tomography [CT]
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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
- A61B6/40—Arrangements for generating radiation specially adapted for radiation diagnosis
- A61B6/4064—Arrangements for generating radiation specially adapted for radiation diagnosis specially adapted for producing a particular type of beam
- A61B6/4085—Cone-beams
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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
- A61B6/42—Arrangements for detecting radiation specially adapted for radiation diagnosis
- A61B6/4208—Arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector
- A61B6/4233—Arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector using matrix detectors
-
- 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
- A61B6/4429—Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units
- A61B6/4464—Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units the source unit or the detector unit being mounted to ceiling
-
- 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
- A61B6/58—Testing, adjusting or calibrating thereof
- A61B6/587—Alignment of source unit to detector unit
-
- 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
- A61B6/42—Arrangements for detecting radiation specially adapted for radiation diagnosis
- A61B6/4208—Arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector
- A61B6/4225—Arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector using image intensifiers
-
- 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
- A61B6/42—Arrangements for detecting radiation specially adapted for radiation diagnosis
- A61B6/4291—Arrangements for detecting radiation specially adapted for radiation diagnosis the detector being combined with a grid or grating
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Medical Informatics (AREA)
- Physics & Mathematics (AREA)
- Heart & Thoracic Surgery (AREA)
- Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Optics & Photonics (AREA)
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- Radiology & Medical Imaging (AREA)
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- Pulmonology (AREA)
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- Apparatus For Radiation Diagnosis (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
Description
detector)がますます利用されるであろう。
湾曲したレール14の代わりに、直線のレール、例えばCアーム軸9に平行に延在するレールが使用されることができ、この場合、散乱X線除去用グリッドはもはや常に焦点が合わされてはいない。
Claims (7)
- 円錐形X線ビームを放射するためのX線源と、オブジェクト軸に沿って配置される検査すべき対象物を通過した後の前記X線を多数検出するためのX線検出器とを含む一方、前記X線源及び前記X線検出器は軌道に沿って移動するX線装置において、前記X線装置は、前記X線源に対して前記X線検出器の位置及び/又は方位を変更する手段と、さらに前記X線源及び前記X線検出器を前記軌道に沿って移動させ、前記X線を検出している間、前記X線検出器の前記位置及び/又は方位を制御する制御ユニットとを含み、前記X線検出器は平坦な矩形のX線検出器であり、当該X線検出器は、前記X線源の焦点と当該X線検出器の中心との間に延在する接続線の周りを回転可能であり、
前記X線検出器は、当該X線検出器の位置及び/又は方位を変更するために、前記中心光線に本質的に垂直に延在するレールであって、前記X線源の前記焦点の周りに湾曲するレール上に搭載されることを特徴とするX線装置。 - 請求項1に記載のX線装置において、前記X線検出器の前記方位を制御する制御ユニットは、前記軌道を完成させる間、前記X線検出器の縁の1つが常に前記オブジェクト軸に対し直角に置かれるよう制御するように構成されることを特徴とするX線装置。
- 請求項2に記載のX線装置において、円形軌道では、前記制御ユニットは、前記X線検出器の前記縁の1つが前記オブジェクト軸に対し直角に置かれ、前記軌道を完成させる間、前記X線検出器の前記方位が一定に保たれるようにして、各軌道に沿った移動が始まる前に、前記X線検出器の前記方位を調節するように配置されることを特徴とするX線装置。
- 請求項2に記載のX線装置において、前記X線装置は、軌道を完成させる間、前記X線源の前記位置の如何なる変更にも応じて前記方位を調節するように配置されることを特徴とするX線装置。
- 請求項1又は2に記載のX線装置において、前記レールは、前記X線ビームの中心光線と、前記X線源の焦点と前記X線検出器の中心との間に延在する前記接続線との間の角度が零以外のすくなくとも2つの異なる値を呈することができるように構成され、前記制御ユニットは、前記すくなくとも2つの異なる値の前記角度が前記X線を検出している間に調節されるようにして構成されることを特徴とするX線装置。
- 請求項5に記載のX線装置において、前記制御ユニットは、検査すべき前記対象物へX線を照射しながら、一つの軌道に沿って前記X線源を複数回移動させて、前記一つの軌道のそれぞれの完成毎に異なる角度位置に前記X線検出器を移動することを特徴とするX線装置。
- 円錐形のX線ビームを放射するX線源と、
前記X線源と対向して配置され、前記X線ビームを検出する平坦で矩形のX線検出器と、
オブジェクト軸に沿って配置された検査対象の周りで軌道に沿って、前記X線源と前記X線検出器とを回転させる第1回転機構と、
前記X線検出器を、前記X線源の焦点と当該X線検出器の中心とを結ぶ軸の周りで回転させる第2回転機構と、
を有し、
前記X線検出器が、前記X線源の焦点の周りに湾曲し第1回転機構に取り付けられたレール上に搭載されるX線装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10211016A DE10211016A1 (de) | 2002-03-13 | 2002-03-13 | Röntgengerät mit lageveränderlichem Röntgendetektor |
PCT/IB2003/000892 WO2003075763A2 (en) | 2002-03-13 | 2003-03-10 | X-ray apparatus provided with a positionally adjustable x-ray detector |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005519667A JP2005519667A (ja) | 2005-07-07 |
JP4446744B2 true JP4446744B2 (ja) | 2010-04-07 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003574042A Expired - Fee Related JP4446744B2 (ja) | 2002-03-13 | 2003-03-10 | 位置の調節が可能であるx線検出器を具備するx線装置 |
Country Status (8)
Country | Link |
---|---|
US (1) | US7342992B2 (ja) |
EP (1) | EP1485024B1 (ja) |
JP (1) | JP4446744B2 (ja) |
CN (1) | CN100415170C (ja) |
AT (1) | ATE481928T1 (ja) |
AU (1) | AU2003206099A1 (ja) |
DE (2) | DE10211016A1 (ja) |
WO (1) | WO2003075763A2 (ja) |
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-
2002
- 2002-03-13 DE DE10211016A patent/DE10211016A1/de not_active Withdrawn
-
2003
- 2003-03-10 US US10/507,200 patent/US7342992B2/en not_active Expired - Fee Related
- 2003-03-10 AU AU2003206099A patent/AU2003206099A1/en not_active Abandoned
- 2003-03-10 DE DE60334288T patent/DE60334288D1/de not_active Expired - Lifetime
- 2003-03-10 WO PCT/IB2003/000892 patent/WO2003075763A2/en active Application Filing
- 2003-03-10 JP JP2003574042A patent/JP4446744B2/ja not_active Expired - Fee Related
- 2003-03-10 EP EP03702983A patent/EP1485024B1/en not_active Expired - Lifetime
- 2003-03-10 CN CNB038057034A patent/CN100415170C/zh not_active Expired - Fee Related
- 2003-03-10 AT AT03702983T patent/ATE481928T1/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
AU2003206099A8 (en) | 2003-09-22 |
WO2003075763A3 (en) | 2004-03-25 |
EP1485024A2 (en) | 2004-12-15 |
WO2003075763A2 (en) | 2003-09-18 |
DE10211016A1 (de) | 2003-09-25 |
US20060023830A1 (en) | 2006-02-02 |
ATE481928T1 (de) | 2010-10-15 |
AU2003206099A1 (en) | 2003-09-22 |
US7342992B2 (en) | 2008-03-11 |
JP2005519667A (ja) | 2005-07-07 |
DE60334288D1 (de) | 2010-11-04 |
CN1671324A (zh) | 2005-09-21 |
CN100415170C (zh) | 2008-09-03 |
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