IL130935A - שיטות והתקן להפחתת גופים של אורך-גל במערכת טומוגרפיה ממוחשבת - Google Patents
שיטות והתקן להפחתת גופים של אורך-גל במערכת טומוגרפיה ממוחשבתInfo
- Publication number
- IL130935A IL130935A IL13093599A IL13093599A IL130935A IL 130935 A IL130935 A IL 130935A IL 13093599 A IL13093599 A IL 13093599A IL 13093599 A IL13093599 A IL 13093599A IL 130935 A IL130935 A IL 130935A
- Authority
- IL
- Israel
- Prior art keywords
- scintillator
- gap
- collimator
- collimator plate
- accordance
- Prior art date
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/02—Devices for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
- A61B6/03—Computerised tomographs
- A61B6/032—Transmission computed tomography [CT]
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/06—Diaphragms
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/40—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for generating radiation specially adapted for radiation diagnosis
- A61B6/4064—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for generating radiation specially adapted for radiation diagnosis specially adapted for producing a particular type of beam
- A61B6/4085—Cone-beams
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/44—Constructional features of apparatus for radiation diagnosis
- A61B6/4411—Constructional features of apparatus for radiation diagnosis the apparatus being modular
-
- 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 for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/40—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for generating radiation specially adapted for radiation diagnosis
- A61B6/4021—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for generating radiation specially adapted for radiation diagnosis involving movement of the focal spot
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/118,397 US6266434B1 (en) | 1998-07-17 | 1998-07-17 | Methods and apparatus for reducing spectral artifacts in a computed tomograph system |
Publications (2)
Publication Number | Publication Date |
---|---|
IL130935A0 IL130935A0 (en) | 2001-01-28 |
IL130935A true IL130935A (he) | 2004-08-31 |
Family
ID=22378327
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IL13093599A IL130935A (he) | 1998-07-17 | 1999-07-14 | שיטות והתקן להפחתת גופים של אורך-גל במערכת טומוגרפיה ממוחשבת |
Country Status (5)
Country | Link |
---|---|
US (1) | US6266434B1 (he) |
EP (1) | EP0973048B1 (he) |
JP (1) | JP4502422B2 (he) |
DE (1) | DE69936278T2 (he) |
IL (1) | IL130935A (he) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3961468B2 (ja) | 2003-09-19 | 2007-08-22 | 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 | 放射線計算断層画像装置およびそれに用いる放射線検出器 |
US7086780B2 (en) * | 2004-05-20 | 2006-08-08 | General Electric Company | Methods for spectrally calibrating CT imaging apparatus detectors |
US7391844B2 (en) * | 2005-01-14 | 2008-06-24 | General Electric Company | Method and apparatus for correcting for beam hardening in CT images |
US20120056095A1 (en) * | 2010-09-03 | 2012-03-08 | Scott Metzler | Collimation apparatus for high resolution imaging |
US10610191B2 (en) * | 2017-07-06 | 2020-04-07 | Prismatic Sensors Ab | Managing geometric misalignment in x-ray imaging systems |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5093850A (en) * | 1976-04-19 | 1992-03-03 | General Electric Company | Tomographic scanning apparatus |
US4180737A (en) * | 1978-02-06 | 1979-12-25 | General Electric Company | X-ray detector |
US4392057A (en) * | 1980-02-22 | 1983-07-05 | National Research Development Corporation | Position-sensitive radiation detector |
EP0208225B1 (de) * | 1985-07-12 | 1990-03-28 | Siemens Aktiengesellschaft | Röntgendetektorsystem |
JPH01305930A (ja) * | 1988-06-04 | 1989-12-11 | Toshiba Corp | Ctスキヤナ用放射線検出器 |
DE69129008T2 (de) * | 1990-07-02 | 1998-08-20 | Varian Associates | Röntgenstrahlentherapiesimulator |
US5168532A (en) * | 1990-07-02 | 1992-12-01 | Varian Associates, Inc. | Method for improving the dynamic range of an imaging system |
JPH05256950A (ja) * | 1992-03-13 | 1993-10-08 | Toshiba Corp | X線コンピュータトモグラフィ装置用固体検出器 |
US5335255A (en) * | 1992-03-24 | 1994-08-02 | Seppi Edward J | X-ray scanner with a source emitting plurality of fan beams |
US5684855A (en) * | 1995-02-16 | 1997-11-04 | Kabushiki Kaisha Toshiba | X-ray CT scanner |
JP3549169B2 (ja) * | 1995-03-10 | 2004-08-04 | 株式会社日立メディコ | X線ct装置 |
US5961457A (en) * | 1996-05-03 | 1999-10-05 | The Regents Of The University Of Michigan | Method and apparatus for radiopharmaceutical-guided biopsy |
JPH10104359A (ja) * | 1996-09-30 | 1998-04-24 | Shimadzu Corp | X線ct装置用検出器の製造方法 |
US5812629A (en) * | 1997-04-30 | 1998-09-22 | Clauser; John F. | Ultrahigh resolution interferometric x-ray imaging |
US5903008A (en) * | 1997-07-02 | 1999-05-11 | General Electric Company | Scatter correction methods and systems in single photon emission computed tomography |
US5970113A (en) * | 1997-10-10 | 1999-10-19 | Analogic Corporation | Computed tomography scanning apparatus and method with temperature compensation for dark current offsets |
US6115448A (en) | 1997-11-26 | 2000-09-05 | General Electric Company | Photodiode array for a scalable multislice scanning computed tomography system |
JPH11295432A (ja) * | 1998-04-15 | 1999-10-29 | Shimadzu Corp | Ct用固体検出器 |
-
1998
- 1998-07-17 US US09/118,397 patent/US6266434B1/en not_active Expired - Lifetime
-
1999
- 1999-07-12 DE DE69936278T patent/DE69936278T2/de not_active Expired - Lifetime
- 1999-07-12 EP EP99305495A patent/EP0973048B1/en not_active Expired - Lifetime
- 1999-07-14 IL IL13093599A patent/IL130935A/he not_active IP Right Cessation
- 1999-07-15 JP JP20109599A patent/JP4502422B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0973048A2 (en) | 2000-01-19 |
IL130935A0 (en) | 2001-01-28 |
US6266434B1 (en) | 2001-07-24 |
DE69936278D1 (de) | 2007-07-26 |
EP0973048B1 (en) | 2007-06-13 |
DE69936278T2 (de) | 2008-02-14 |
JP4502422B2 (ja) | 2010-07-14 |
EP0973048A3 (en) | 2002-07-31 |
JP2000037377A (ja) | 2000-02-08 |
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Legal Events
Date | Code | Title | Description |
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FF | Patent granted | ||
KB | Patent renewed | ||
KB | Patent renewed | ||
KB | Patent renewed | ||
KB | Patent renewed | ||
KB | Patent renewed | ||
EXP | Patent expired |