ATE8330T1 - Rechnergesteuerte tomographische abtasteinrichtung mit passend geformtem strahlungsfilter. - Google Patents
Rechnergesteuerte tomographische abtasteinrichtung mit passend geformtem strahlungsfilter.Info
- Publication number
- ATE8330T1 ATE8330T1 AT80301169T AT80301169T ATE8330T1 AT E8330 T1 ATE8330 T1 AT E8330T1 AT 80301169 T AT80301169 T AT 80301169T AT 80301169 T AT80301169 T AT 80301169T AT E8330 T1 ATE8330 T1 AT E8330T1
- Authority
- AT
- Austria
- Prior art keywords
- filter
- correction
- data line
- scanning device
- computer controlled
- Prior art date
Links
- 230000005855 radiation Effects 0.000 title abstract 2
- 239000000463 material Substances 0.000 abstract 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 abstract 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract 1
- 229910052691 Erbium Inorganic materials 0.000 abstract 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 abstract 1
- 239000005864 Sulphur Substances 0.000 abstract 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 abstract 1
- 229910045601 alloy Inorganic materials 0.000 abstract 1
- 239000000956 alloy Substances 0.000 abstract 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract 1
- 229910052782 aluminium Inorganic materials 0.000 abstract 1
- 229910052790 beryllium Inorganic materials 0.000 abstract 1
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 abstract 1
- 229910052791 calcium Inorganic materials 0.000 abstract 1
- 239000011575 calcium Substances 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 239000010949 copper Substances 0.000 abstract 1
- 229910052802 copper Inorganic materials 0.000 abstract 1
- UYAHIZSMUZPPFV-UHFFFAOYSA-N erbium Chemical compound [Er] UYAHIZSMUZPPFV-UHFFFAOYSA-N 0.000 abstract 1
- 239000010936 titanium Substances 0.000 abstract 1
- 229910052719 titanium Inorganic materials 0.000 abstract 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]
-
- 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
- A61B6/4035—Arrangements for generating radiation specially adapted for radiation diagnosis the source being combined with a filter or grating
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T11/00—2D [Two Dimensional] image generation
- G06T11/003—Reconstruction from projections, e.g. tomography
- G06T11/005—Specific pre-processing for tomographic reconstruction, e.g. calibration, source positioning, rebinning, scatter correction, retrospective gating
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21K—TECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
- G21K1/00—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating
- G21K1/10—Scattering devices; Absorbing devices; Ionising radiation filters
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Medical Informatics (AREA)
- High Energy & Nuclear Physics (AREA)
- Heart & Thoracic Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Theoretical Computer Science (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Optics & Photonics (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Biomedical Technology (AREA)
- Veterinary Medicine (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Biophysics (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- General Physics & Mathematics (AREA)
- Pulmonology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Engineering & Computer Science (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Radiography Using Non-Light Waves (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/029,877 US4288695A (en) | 1979-04-13 | 1979-04-13 | Computerized tomographic scanner with shaped radiation filter |
EP80301169A EP0018181B2 (de) | 1979-04-13 | 1980-04-11 | Rechnergesteuerte tomographische Abtasteinrichtung mit passend geformtem Strahlungsfilter |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE8330T1 true ATE8330T1 (de) | 1984-07-15 |
Family
ID=21851365
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT80301169T ATE8330T1 (de) | 1979-04-13 | 1980-04-11 | Rechnergesteuerte tomographische abtasteinrichtung mit passend geformtem strahlungsfilter. |
Country Status (5)
Country | Link |
---|---|
US (1) | US4288695A (de) |
EP (1) | EP0018181B2 (de) |
JP (1) | JPS55149932A (de) |
AT (1) | ATE8330T1 (de) |
DE (1) | DE3068496D1 (de) |
Families Citing this family (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5753677A (en) * | 1980-09-18 | 1982-03-30 | Toshiba Corp | Radiant ray detector |
US4497062A (en) * | 1983-06-06 | 1985-01-29 | Wisconsin Alumni Research Foundation | Digitally controlled X-ray beam attenuation method and apparatus |
DE3608965A1 (de) * | 1986-03-18 | 1987-10-01 | Philips Patentverwaltung | Verfahren zur bestimmung der raeumlichen struktur in einer schicht eines untersuchungsbereiches |
US4831640A (en) * | 1986-05-14 | 1989-05-16 | The Perkin-Elmer Corporation | Illumination system for x-ray lithography |
US5276614A (en) * | 1989-11-17 | 1994-01-04 | Picker International, Inc. | Dynamic bandwidth reconstruction |
US5023895A (en) * | 1989-03-02 | 1991-06-11 | Innovative Imaging Systems, Inc. | Three dimensional tomographic system |
US4975933A (en) * | 1990-03-26 | 1990-12-04 | General Electric Company | Bow-tie X-ray filter assembly for dual energy tomography |
US5305363A (en) * | 1992-01-06 | 1994-04-19 | Picker International, Inc. | Computerized tomographic scanner having a toroidal x-ray tube with a stationary annular anode and a rotating cathode assembly |
US5401969A (en) * | 1993-07-21 | 1995-03-28 | Scintillation Technologies Corporation | Scintillation camera |
US6021175A (en) * | 1998-03-26 | 2000-02-01 | Ferlic; Daniel J. | X-ray filter |
US6320938B1 (en) | 1998-10-28 | 2001-11-20 | F & L Medical Products | Method of X-ray protection during diagnostic CT imaging |
US6647095B2 (en) * | 2002-04-02 | 2003-11-11 | Ge Medical Systems Global Technology Co., Llc | Method and apparatus for optimizing dosage to scan subject |
US6836535B2 (en) * | 2002-04-22 | 2004-12-28 | General Electric Company | Method and apparatus of modulating the filtering of radiation during radiographic imaging |
DE10237546B4 (de) * | 2002-08-16 | 2007-11-29 | Siemens Ag | Röntgen-Computertomographie-Gerät mit Filter |
JP4041025B2 (ja) * | 2003-07-15 | 2008-01-30 | 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線分布調整フィルタ装置およびそれを用いたx線ct装置 |
CN1296011C (zh) * | 2003-07-16 | 2007-01-24 | 东软飞利浦医疗设备系统有限责任公司 | 一种ct机射束硬化的校正方法 |
DE102004035601A1 (de) * | 2004-07-22 | 2006-02-16 | Siemens Ag | Röngtenstrahlendetektor und Computertomographiegerät mit einem solchen Röngtenstrahlendetektor |
US7474736B2 (en) * | 2004-10-01 | 2009-01-06 | Varian Medical Systems, Inc. | Devices and methods for providing spatially variable x-ray beam intensity |
JP4891673B2 (ja) * | 2005-06-30 | 2012-03-07 | 株式会社東芝 | X線ct装置 |
US7535987B2 (en) * | 2005-06-30 | 2009-05-19 | Kabushiki Kaisha Toshiba | X-ray CT apparatus |
JP4740190B2 (ja) * | 2007-05-18 | 2011-08-03 | 株式会社エス・エッチ・ティ | コイル装置 |
WO2009083878A1 (en) * | 2007-12-28 | 2009-07-09 | Koninklijke Philips Electronics N.V. | Filter assembly for computed tomography systems |
DE102009012631B4 (de) * | 2009-03-11 | 2011-07-28 | Bayer Schering Pharma Aktiengesellschaft, 13353 | Filter für einen Computertomographen sowie Computertomograph |
DE102009053523B4 (de) * | 2009-11-16 | 2011-12-29 | Siemens Aktiengesellschaft | Filter zur Filterung von Röntgenstrahlung und Röntgencomputertomograph |
DE102011005810A1 (de) * | 2011-03-18 | 2012-09-20 | Siemens Aktiengesellschaft | Verfahren zum Bereitstellen eines Formfilters, insbesondere für die Röntgen-Computertomographie, Projektionsradiographie oder Materialprüfung |
US9435900B2 (en) * | 2011-06-08 | 2016-09-06 | The Board Of Trustees Of The Leland Stanford Junior University | X-ray system utilizing alternating spectrum x-ray source in conjuction with a fixed spectrum separation filter approval |
WO2013182928A1 (en) * | 2012-06-05 | 2013-12-12 | Koninklijke Philips N.V. | Motion layer decomposition calibration of x-ray ct imagers |
WO2014087283A1 (en) | 2012-12-03 | 2014-06-12 | Koninklijke Philips N.V. | Translating x-ray beam transmission profile shaper |
US10090627B2 (en) * | 2013-08-21 | 2018-10-02 | Te Connectivity Corporation | Filters for terminal crimping devices using ultrasonic signals |
US10667767B2 (en) | 2014-05-02 | 2020-06-02 | General Electric Company | Systems and methods for selecting bowtie filter configuration |
CN111096761B (zh) * | 2018-10-29 | 2024-03-08 | 上海西门子医疗器械有限公司 | 修正楔形滤波器散射的方法、装置和相关设备 |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3717768A (en) * | 1970-02-09 | 1973-02-20 | Medinova Ab | X-ray filter device in combination with a positioning light converging means |
SE347859B (de) * | 1970-11-30 | 1972-08-14 | Medinova Ab | |
GB1475492A (en) * | 1973-06-01 | 1977-06-01 | Emi Ltd | Apparatus for examining objects by means of penetrating radiation |
US4069422A (en) * | 1973-06-01 | 1978-01-17 | E M I Limited | Apparatus for examining objects by means of penetrating radiation |
CA1007384A (en) * | 1973-06-05 | 1977-03-22 | Godfrey N. Hounsfield | Radiographic apparatus |
GB1478124A (en) * | 1973-08-31 | 1977-06-29 | Emi Ltd | Apparatus for examining bodies by means of penetrating radiation |
US3999073A (en) * | 1973-12-13 | 1976-12-21 | Emi Limited | Apparatus for examining a body by means of penetrating radiation |
US3965357A (en) * | 1974-03-01 | 1976-06-22 | Emi Patents Limited | Apparatus for examining a body by means of penetrating radiation |
GB1508300A (en) * | 1974-05-08 | 1978-04-19 | Emi Ltd | Radiology |
FR2270836B1 (de) * | 1974-05-15 | 1978-02-03 | Emi Ltd | |
US4118629A (en) * | 1974-06-07 | 1978-10-03 | Emi Limited | Radiology |
GB1509528A (en) * | 1974-06-07 | 1978-05-04 | Emi Ltd | Radiology |
CA1009382A (en) * | 1974-12-18 | 1977-04-26 | Her Majesty In Right Of Canada As Represented By Atomic Energy Of Canada Limited | X-ray beam flattener |
GB1531229A (en) * | 1974-12-19 | 1978-11-08 | Emi Ltd | Radiography |
JPS51100690A (de) * | 1975-02-04 | 1976-09-06 | Emi Varian Ltd | |
GB1538439A (en) * | 1975-07-11 | 1979-01-17 | Emi Ltd | Radiographic apparatus |
DE2647761A1 (de) * | 1975-10-28 | 1977-09-22 | Syntex Inc | Axial-tomographisches system fuer die strahlungsdiagnostik |
GB1578442A (en) * | 1976-07-01 | 1980-11-05 | Emi Ltd | Radiography |
US4029963A (en) * | 1976-07-30 | 1977-06-14 | The Board Of Trustees Of Leland Stanford Junior University | X-ray spectral decomposition imaging system |
AU522916B2 (en) * | 1977-09-30 | 1982-07-01 | Ohio Nuclear | X-ray tomographic apparatus |
US4181858A (en) * | 1977-12-30 | 1980-01-01 | Emi Limited | Adjustable compensating device for radiographic apparatus |
-
1979
- 1979-04-13 US US06/029,877 patent/US4288695A/en not_active Expired - Lifetime
-
1980
- 1980-04-11 DE DE8080301169T patent/DE3068496D1/de not_active Expired
- 1980-04-11 EP EP80301169A patent/EP0018181B2/de not_active Expired
- 1980-04-11 JP JP4699980A patent/JPS55149932A/ja active Pending
- 1980-04-11 AT AT80301169T patent/ATE8330T1/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0018181B2 (de) | 1989-07-26 |
US4288695A (en) | 1981-09-08 |
EP0018181B1 (de) | 1984-07-11 |
JPS55149932A (en) | 1980-11-21 |
EP0018181A1 (de) | 1980-10-29 |
DE3068496D1 (en) | 1984-08-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
UEP | Publication of translation of european patent specification | ||
REN | Ceased due to non-payment of the annual fee |