NL8601678A - Werkwijze en inrichting voor spleetradiografie. - Google Patents
Werkwijze en inrichting voor spleetradiografie. Download PDFInfo
- Publication number
- NL8601678A NL8601678A NL8601678A NL8601678A NL8601678A NL 8601678 A NL8601678 A NL 8601678A NL 8601678 A NL8601678 A NL 8601678A NL 8601678 A NL8601678 A NL 8601678A NL 8601678 A NL8601678 A NL 8601678A
- Authority
- NL
- Netherlands
- Prior art keywords
- sector
- ray
- slit
- modulators
- modulation
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 35
- 238000002601 radiography Methods 0.000 title claims description 11
- SQEHCNOBYLQFTG-UHFFFAOYSA-M lithium;thiophene-2-carboxylate Chemical compound [Li+].[O-]C(=O)C1=CC=CS1 SQEHCNOBYLQFTG-UHFFFAOYSA-M 0.000 title 1
- 230000005855 radiation Effects 0.000 claims description 39
- 230000000737 periodic effect Effects 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 16
- 230000001360 synchronised effect Effects 0.000 claims description 6
- 238000005259 measurement Methods 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 230000033764 rhythmic process Effects 0.000 claims 2
- 230000002093 peripheral effect Effects 0.000 claims 1
- 230000003313 weakening effect Effects 0.000 description 19
- 210000002105 tongue Anatomy 0.000 description 6
- 230000008859 change Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 210000004872 soft tissue Anatomy 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000010363 phase shift Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 210000000683 abdominal cavity Anatomy 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000012780 transparent material Substances 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
- A61B6/06—Diaphragms
-
- 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
- G21K1/02—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators
- G21K1/04—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators using variable diaphragms, shutters, choppers
-
- 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
- G21K1/02—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators
- G21K1/04—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators using variable diaphragms, shutters, choppers
- G21K1/043—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators using variable diaphragms, shutters, choppers changing time structure of beams by mechanical means, e.g. choppers, spinning filter wheels
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- High Energy & Nuclear Physics (AREA)
- General Engineering & Computer Science (AREA)
- Medical Informatics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Heart & Thoracic Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Radiology & Medical Imaging (AREA)
- Biomedical Technology (AREA)
- Optics & Photonics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Pathology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Biophysics (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- X-Ray Techniques (AREA)
- Radiography Using Non-Light Waves (AREA)
Priority Applications (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8601678A NL8601678A (nl) | 1986-06-26 | 1986-06-26 | Werkwijze en inrichting voor spleetradiografie. |
US07/063,176 US4916723A (en) | 1986-06-26 | 1987-06-17 | Method for slit radiography |
IL82923A IL82923A (en) | 1986-06-26 | 1987-06-19 | Method and device for slit radiography |
IN480/CAL/87A IN168333B (it) | 1986-06-26 | 1987-06-19 | |
CN87105598A CN1013622B (zh) | 1986-06-26 | 1987-06-25 | 用于狭缝射线照相术的方法与装置 |
EP87201212A EP0251407B1 (en) | 1986-06-26 | 1987-06-25 | Method and device for slit radiography |
DE8787201212T DE3766760D1 (de) | 1986-06-26 | 1987-06-25 | Roentgenaufnahmegeraet mit schlitzblenden. |
JP62159512A JP2617186B2 (ja) | 1986-06-26 | 1987-06-26 | スリットx線撮影装置 |
US07/417,567 US4996701A (en) | 1986-06-26 | 1989-10-05 | Method and device for slit radiography |
JP8218867A JP2944937B2 (ja) | 1986-06-26 | 1996-08-20 | スリットx線装置の運転方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8601678A NL8601678A (nl) | 1986-06-26 | 1986-06-26 | Werkwijze en inrichting voor spleetradiografie. |
NL8601678 | 1986-06-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
NL8601678A true NL8601678A (nl) | 1988-01-18 |
Family
ID=19848235
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL8601678A NL8601678A (nl) | 1986-06-26 | 1986-06-26 | Werkwijze en inrichting voor spleetradiografie. |
Country Status (8)
Country | Link |
---|---|
US (2) | US4916723A (it) |
EP (1) | EP0251407B1 (it) |
JP (2) | JP2617186B2 (it) |
CN (1) | CN1013622B (it) |
DE (1) | DE3766760D1 (it) |
IL (1) | IL82923A (it) |
IN (1) | IN168333B (it) |
NL (1) | NL8601678A (it) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL8601678A (nl) * | 1986-06-26 | 1988-01-18 | Optische Ind De Oude Delft Nv | Werkwijze en inrichting voor spleetradiografie. |
NL8701820A (nl) * | 1987-08-03 | 1989-03-01 | Optische Ind De Oude Delft Nv | Inrichting voor spleetradiografie. |
US4947416A (en) * | 1988-10-21 | 1990-08-07 | General Electric Company | Scanning equalization radiography with stationary equalization detector |
NL8900553A (nl) * | 1989-03-07 | 1990-10-01 | Optische Ind De Oude Delft Nv | Werkwijze en inrichting voor spleetradiografie. |
JP2741236B2 (ja) * | 1989-03-14 | 1998-04-15 | コニカ株式会社 | 放射線撮影装置の露出補償装置 |
US5040202A (en) * | 1989-06-05 | 1991-08-13 | General Electric | Method and apparatus for reducing x-ray grid images |
US5285488A (en) * | 1989-09-21 | 1994-02-08 | Canon Kabushiki Kaisha | Exposure apparatus |
NL9000250A (nl) * | 1990-02-01 | 1991-09-02 | Optische Ind De Oude Delft Nv | Inrichting voor spleetradiografie. |
NL9100182A (nl) * | 1991-02-01 | 1992-09-01 | Optische Ind De Oude Delft Nv | Werkwijze en inrichting voor spleetradiografie. |
US5195121A (en) * | 1992-01-22 | 1993-03-16 | B.C. Medical Ltd. | X-ray beam modulator |
US5394452A (en) * | 1992-03-19 | 1995-02-28 | Wisconsin Alumni Research Foundation | Verification system for radiation therapy |
US5661773A (en) * | 1992-03-19 | 1997-08-26 | Wisconsin Alumni Research Foundation | Interface for radiation therapy machine |
GB2298556A (en) * | 1995-03-01 | 1996-09-04 | St George's Healthcare Nhs Trust | X-ray beam attenuator |
JP3942142B2 (ja) * | 2000-12-15 | 2007-07-11 | 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 | 放射線断層撮影装置およびその方法 |
JP4216078B2 (ja) * | 2001-04-03 | 2009-01-28 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | パルス運動量移動スペクトルを決定するコンピュータ断層撮影装置 |
FI110478B (fi) * | 2001-05-29 | 2003-02-14 | Planmeca Oy | Menetelmä ja laitteisto sädekeilan rajaamiseksi |
DE10205949B4 (de) | 2002-02-12 | 2013-04-25 | Gsi Helmholtzzentrum Für Schwerionenforschung Gmbh | Verfahren und Vorrichtung zum Steuern einer nach dem Rasterscanverfahren arbeitenden Bestrahlungseinrichtung für schwere Ionen oder Protonen mit Strahlextraktion |
DE10211492B4 (de) * | 2002-03-15 | 2008-05-15 | Siemens Ag | Lamelle,Lamellenkollimator, Vorrichtung zur Strahlenbegrenzung und Bestrahlungsgerät |
DE10348796B4 (de) | 2003-10-21 | 2007-09-27 | Siemens Ag | Vorrichtung zur räumlichen Modulation eines Röntgenstrahlbündels und Röntgenbildsystem |
US7200201B2 (en) * | 2004-11-16 | 2007-04-03 | General Electric Company | Flat panel detector based slot scanning configuration |
CN103284734B (zh) * | 2012-03-05 | 2015-07-22 | 上海联影医疗科技有限公司 | 一种校正辐射成像中散射影响的方法及装置 |
US20160270198A1 (en) * | 2013-11-05 | 2016-09-15 | Koninklijke Philips N.V. | X-ray imaging device with fast spatial modulation of photon flux |
DE102016221205B4 (de) | 2016-10-27 | 2018-07-26 | Siemens Healthcare Gmbh | Verfahren zur Erzeugung von Röntgenbildern und Röntgensystem |
DE102018222105A1 (de) * | 2018-10-11 | 2020-04-16 | Redlen Technologies, Inc. | Röntgenstrahlpulsen beim sensorbetrieb für an wendungen von bildgebungssystemen in der hochfluss-photonen zählenden computertomographie (ct) |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE293239C (it) * | ||||
US4029963A (en) * | 1976-07-30 | 1977-06-14 | The Board Of Trustees Of Leland Stanford Junior University | X-ray spectral decomposition imaging system |
US4342914A (en) * | 1980-09-29 | 1982-08-03 | American Science And Engineering, Inc. | Flying spot scanner having arbitrarily shaped field size |
US4399550A (en) * | 1981-02-27 | 1983-08-16 | General Electric Company | Spinning filter for X-ray apparatus |
JPS5895726A (ja) * | 1981-12-03 | 1983-06-07 | Canon Inc | X線像形成装置 |
NL8400845A (nl) * | 1984-03-16 | 1985-10-16 | Optische Ind De Oude Delft Nv | Inrichting voor spleetradiografie. |
NL8401411A (nl) * | 1984-05-03 | 1985-12-02 | Optische Ind De Oude Delft Nv | Inrichting voor spleetradiografie. |
US4679221A (en) * | 1985-08-08 | 1987-07-07 | Kabushiki Kaisha Toshiba | CT X-ray collimator including a reinforced collimator blade assembly |
NL8601678A (nl) * | 1986-06-26 | 1988-01-18 | Optische Ind De Oude Delft Nv | Werkwijze en inrichting voor spleetradiografie. |
-
1986
- 1986-06-26 NL NL8601678A patent/NL8601678A/nl not_active Application Discontinuation
-
1987
- 1987-06-17 US US07/063,176 patent/US4916723A/en not_active Expired - Fee Related
- 1987-06-19 IL IL82923A patent/IL82923A/xx not_active IP Right Cessation
- 1987-06-19 IN IN480/CAL/87A patent/IN168333B/en unknown
- 1987-06-25 DE DE8787201212T patent/DE3766760D1/de not_active Expired - Fee Related
- 1987-06-25 CN CN87105598A patent/CN1013622B/zh not_active Expired
- 1987-06-25 EP EP87201212A patent/EP0251407B1/en not_active Expired
- 1987-06-26 JP JP62159512A patent/JP2617186B2/ja not_active Expired - Lifetime
-
1989
- 1989-10-05 US US07/417,567 patent/US4996701A/en not_active Expired - Fee Related
-
1996
- 1996-08-20 JP JP8218867A patent/JP2944937B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JP2944937B2 (ja) | 1999-09-06 |
EP0251407B1 (en) | 1990-12-19 |
IL82923A0 (en) | 1987-12-20 |
JPH09266906A (ja) | 1997-10-14 |
DE3766760D1 (de) | 1991-01-31 |
JP2617186B2 (ja) | 1997-06-04 |
IN168333B (it) | 1991-03-16 |
IL82923A (en) | 1992-01-15 |
CN87105598A (zh) | 1988-03-16 |
JPS6335234A (ja) | 1988-02-15 |
EP0251407A1 (en) | 1988-01-07 |
CN1013622B (zh) | 1991-08-21 |
US4916723A (en) | 1990-04-10 |
US4996701A (en) | 1991-02-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
NL8601678A (nl) | Werkwijze en inrichting voor spleetradiografie. | |
US4773087A (en) | Quality of shadowgraphic x-ray images | |
JP5715765B2 (ja) | X線コンピュータ断層撮影装置 | |
US5164976A (en) | Scanning mammography system with improved skin line viewing | |
US4712226A (en) | Stereoscopic x-ray tube | |
US4168435A (en) | Method and apparatus for tomography wherein signal profiles derived from an out-fanning beam of penetrating radiation can be reconstructed into signal profiles each corresponding with a beam of parallel incident rays | |
EP0426285A1 (en) | X-ray mammography system | |
EP0417965A2 (en) | An X-ray mammography system | |
EP0358828A2 (en) | Scanning equalization radiography | |
EP0223432A2 (en) | X-ray radiography system | |
US4763345A (en) | Slit scanning and deteching system | |
FR2582928A1 (fr) | Installation a rayons x pour l'examen d'un sujet | |
US4953192A (en) | Scanning equalization radiography | |
US9870892B2 (en) | Periodic modulation of the X-ray intensity | |
US4433430A (en) | Apparatus for the areal recording of x-ray images | |
JPS631698B2 (it) | ||
US4894850A (en) | X-ray apparatus for slit radiography | |
US5058149A (en) | Equipment for slit radiography | |
JP4202457B2 (ja) | X線ct装置 | |
US3141095A (en) | Noise reduction aperture for radiant energy apparatus | |
US5044007A (en) | Improved slit radiography assembly having an x-ray source of variable hardness synchronized to varying slit height | |
NL9100182A (nl) | Werkwijze en inrichting voor spleetradiografie. | |
Plewes | Scanning equalization radiography | |
Geluk | Digital equalization radiography | |
JPH0218086B2 (it) |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A1B | A search report has been drawn up | ||
BV | The patent application has lapsed |