JP2001512359A - コンピュータ断層撮影装置 - Google Patents
コンピュータ断層撮影装置Info
- Publication number
- JP2001512359A JP2001512359A JP53225899A JP53225899A JP2001512359A JP 2001512359 A JP2001512359 A JP 2001512359A JP 53225899 A JP53225899 A JP 53225899A JP 53225899 A JP53225899 A JP 53225899A JP 2001512359 A JP2001512359 A JP 2001512359A
- Authority
- JP
- Japan
- Prior art keywords
- detector
- ray
- cross
- section
- detector elements
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000002591 computed tomography Methods 0.000 title claims abstract description 28
- 238000001514 detection method Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 2
- 239000011159 matrix material Substances 0.000 abstract description 4
- 230000005855 radiation Effects 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 239000004065 semiconductor Substances 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 238000003325 tomography Methods 0.000 description 2
- 239000010405 anode material Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 229910052704 radon Inorganic materials 0.000 description 1
- SYUHGPGVQRZVTB-UHFFFAOYSA-N radon atom Chemical compound [Rn] SYUHGPGVQRZVTB-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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]
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/16—Measuring radiation intensity
- G01T1/20—Measuring radiation intensity with scintillation detectors
- G01T1/202—Measuring radiation intensity with scintillation detectors the detector being a crystal
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/29—Measurement performed on radiation beams, e.g. position or section of the beam; Measurement of spatial distribution of radiation
- G01T1/2914—Measurement of spatial distribution of radiation
- G01T1/2985—In depth localisation, e.g. using positron emitters; Tomographic imaging (longitudinal and transverse section imaging; apparatus for radiation diagnosis sequentially in different planes, steroscopic radiation diagnosis)
-
- 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
- A61B6/40—Arrangements for generating radiation specially adapted for radiation diagnosis
- A61B6/4021—Arrangements for generating radiation specially adapted for radiation diagnosis involving movement of the focal spot
- A61B6/4028—Arrangements for generating radiation specially adapted for radiation diagnosis involving movement of the focal spot resulting in acquisition of views from substantially different positions, e.g. EBCT
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- Molecular Biology (AREA)
- Medical Informatics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Biophysics (AREA)
- Biomedical Technology (AREA)
- Theoretical Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Optics & Photonics (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Pulmonology (AREA)
- Heart & Thoracic Surgery (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Apparatus For Radiation Diagnosis (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1. X線ビームを発するX線源と、 検査されるべき対象の断面の密度プロファイルをピックアップする検出器系と 、 X線ビームを縦方向に空間的に制限するX線コリメータとを含むコンピュータ 断層撮影装置であって、 上記検出器系は2次元パターンに配置された複数のX線感応検出器素子を含み 、 断面に対して平行な横方向に沿って異なる位置にある検出器素子は略同じ有効 断面を有し、 断面を横切る縦方向に沿って異なる位置にある少なくとも幾つかの検出器素子 は異なる有効断面を有し、 横方向に沿って配置される検出器素子及び/又は検出器素子の部分を含む検出 器群の略等しい表面は、制限されたX線ビームによって到達されうるコンピュー タ断層撮影装置。 2. 上記X線コリメータはX線ビームの制限を縦方向に調整するよう調整され え、 別個の検出器群はX線コリメータの別個の調整に対応する、請求項1記載のコ ンピュータ断層撮影装置。
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP97203963.0 | 1997-12-16 | ||
EP97203963 | 1997-12-16 | ||
EP98203649.3 | 1998-10-28 | ||
EP98203649 | 1998-10-28 | ||
EP98203651 | 1998-10-28 | ||
EP98203651.9 | 1998-10-28 | ||
PCT/IB1998/002023 WO1999030616A1 (en) | 1997-12-16 | 1998-12-14 | Computer tomography device |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2001512359A true JP2001512359A (ja) | 2001-08-21 |
Family
ID=27238549
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP53225899A Pending JP2001512359A (ja) | 1997-12-16 | 1998-12-14 | コンピュータ断層撮影装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US6259766B1 (ja) |
EP (1) | EP0971630A1 (ja) |
JP (1) | JP2001512359A (ja) |
WO (1) | WO1999030616A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003061946A (ja) * | 2001-08-27 | 2003-03-04 | Shimadzu Corp | Ct装置 |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19935093A1 (de) * | 1999-07-27 | 2001-02-15 | Siemens Ag | CT-Gerät mit mehrzeiligem Detektorsystem |
DE19956585A1 (de) * | 1999-11-25 | 2001-05-31 | Philips Corp Intellectual Pty | Computertomographie-Verfahren |
JP2001187046A (ja) * | 1999-12-27 | 2001-07-10 | Ge Medical Systems Global Technology Co Llc | マルチスライスx線ct装置及びその制御方法 |
US6535571B2 (en) * | 2000-03-27 | 2003-03-18 | Siemens Aktiengesellschaft | Detector for an X-ray computed tomography apparatus |
US6873678B2 (en) * | 2000-12-28 | 2005-03-29 | Ge Medical Systems Global Technology Company Llc | Methods and apparatus for computed tomographic cardiac or organ imaging |
CN1320373C (zh) * | 2002-09-18 | 2007-06-06 | 皇家飞利浦电子股份有限公司 | 辐射检测器 |
DE10244898B4 (de) * | 2002-09-26 | 2010-04-29 | Siemens Ag | Einblendvorrichtung und Computertomographiegerät mit einer strahlerseitigen Einblendvorrichtung |
JP5011482B2 (ja) | 2005-07-19 | 2012-08-29 | ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー | X線ct装置 |
DE102006006041A1 (de) * | 2006-02-09 | 2007-08-23 | Siemens Ag | Verfahren und Vorrichtung zur Darstellung eines zu untersuchenden Bereichs eines Untersuchungsobjekts |
US8983024B2 (en) | 2006-04-14 | 2015-03-17 | William Beaumont Hospital | Tetrahedron beam computed tomography with multiple detectors and/or source arrays |
US9339243B2 (en) | 2006-04-14 | 2016-05-17 | William Beaumont Hospital | Image guided radiotherapy with dual source and dual detector arrays tetrahedron beam computed tomography |
WO2007120744A2 (en) * | 2006-04-14 | 2007-10-25 | William Beaumont Hospital | Scanning slot cone-beam computed tomography and scanning focus spot cone-beam computed tomography |
CN101074936B (zh) * | 2006-05-19 | 2010-12-29 | Ge医疗系统环球技术有限公司 | X射线ct设备 |
EP2026698A4 (en) * | 2006-05-25 | 2016-10-05 | Beaumont Hospital William | REAL-TIME, ONLINE AND OFFLINE TREATMENT DOSE TRACKING AND FEEDBACK PROCESS FOR VOLUMETRIC IMAGE-GUIDED ADAPTIVE RADIATION THERAPY |
WO2009042827A1 (en) * | 2007-09-28 | 2009-04-02 | Ev Products, Inc. | Variable pixel pitch x-ray imaging system |
CN102686277B (zh) | 2010-01-05 | 2016-10-12 | 威廉博蒙特医院 | 采用连续的躺椅旋转/移位和同时进行的锥形射束成像的调强电弧治疗 |
JP6870920B2 (ja) * | 2016-05-19 | 2021-05-12 | キヤノンメディカルシステムズ株式会社 | X線ct装置及びx線検出装置 |
CN106405624B (zh) * | 2016-08-30 | 2019-02-22 | 天津大学 | 面向医用ct的重构解析x射线能谱的方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4965726A (en) * | 1988-10-20 | 1990-10-23 | Picker International, Inc. | CT scanner with segmented detector array |
US5166961A (en) * | 1988-10-20 | 1992-11-24 | Picker International, Inc. | CT scanner having multiple detector widths |
US5262946A (en) * | 1988-10-20 | 1993-11-16 | Picker International, Inc. | Dynamic volume scanning for CT scanners |
JP2890553B2 (ja) * | 1989-11-24 | 1999-05-17 | 株式会社島津製作所 | X線像撮像装置 |
US5430784A (en) * | 1994-02-28 | 1995-07-04 | General Electric Company | Computerized tomography imaging using multi-slice detector with selectable slice thickness |
JP2825450B2 (ja) * | 1994-12-06 | 1998-11-18 | 株式会社東芝 | Ctスキャナ |
FR2745640B1 (fr) * | 1996-02-29 | 1998-04-10 | Commissariat Energie Atomique | Dispositif d'imagerie multicoupes |
IL119033A0 (en) * | 1996-08-07 | 1996-11-14 | Elscint Ltd | Multi-slice detector array |
-
1998
- 1998-12-14 WO PCT/IB1998/002023 patent/WO1999030616A1/en not_active Application Discontinuation
- 1998-12-14 JP JP53225899A patent/JP2001512359A/ja active Pending
- 1998-12-14 EP EP98957082A patent/EP0971630A1/en not_active Withdrawn
- 1998-12-16 US US09/212,628 patent/US6259766B1/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003061946A (ja) * | 2001-08-27 | 2003-03-04 | Shimadzu Corp | Ct装置 |
JP4654551B2 (ja) * | 2001-08-27 | 2011-03-23 | 株式会社島津製作所 | Ct装置 |
Also Published As
Publication number | Publication date |
---|---|
US6259766B1 (en) | 2001-07-10 |
EP0971630A1 (en) | 2000-01-19 |
WO1999030616A1 (en) | 1999-06-24 |
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Legal Events
Date | Code | Title | Description |
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A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20051212 |
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