CA1157968A - Device for determining the density distribution in an object - Google Patents
Device for determining the density distribution in an objectInfo
- Publication number
- CA1157968A CA1157968A CA000363596A CA363596A CA1157968A CA 1157968 A CA1157968 A CA 1157968A CA 000363596 A CA000363596 A CA 000363596A CA 363596 A CA363596 A CA 363596A CA 1157968 A CA1157968 A CA 1157968A
- Authority
- CA
- Canada
- Prior art keywords
- primary beam
- detector
- radiation
- primary
- zone
- 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.)
- Expired
Links
- 238000009826 distribution Methods 0.000 title claims abstract description 40
- 230000005855 radiation Effects 0.000 claims abstract description 83
- 230000008093 supporting effect Effects 0.000 claims abstract description 30
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 19
- 230000009102 absorption Effects 0.000 description 8
- 238000010521 absorption reaction Methods 0.000 description 8
- 238000002591 computed tomography Methods 0.000 description 8
- 238000005259 measurement Methods 0.000 description 8
- 230000002238 attenuated effect Effects 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000004364 calculation method Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 230000035945 sensitivity Effects 0.000 description 4
- 230000010748 Photoabsorption Effects 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000011896 sensitive detection Methods 0.000 description 1
- 238000003325 tomography Methods 0.000 description 1
- 238000000844 transformation Methods 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
- A61B6/48—Diagnostic techniques
- A61B6/483—Diagnostic techniques involving scattered radiation
-
- 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
-
- 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
- A61B6/582—Calibration
- A61B6/583—Calibration using calibration phantoms
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Medical Informatics (AREA)
- Pathology (AREA)
- Heart & Thoracic Surgery (AREA)
- High Energy & Nuclear Physics (AREA)
- Physics & Mathematics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Optics & Photonics (AREA)
- Veterinary Medicine (AREA)
- Radiology & Medical Imaging (AREA)
- Biomedical Technology (AREA)
- Biophysics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Toxicology (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Apparatus For Radiation Diagnosis (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEP2944147.2 | 1979-11-02 | ||
| DE19792944147 DE2944147A1 (de) | 1979-11-02 | 1979-11-02 | Anordnung zur ermittlung der streudichteverteilung in einem ebenen untersuchungsbereich |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1157968A true CA1157968A (en) | 1983-11-29 |
Family
ID=6084907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000363596A Expired CA1157968A (en) | 1979-11-02 | 1980-10-30 | Device for determining the density distribution in an object |
Country Status (7)
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6556653B2 (en) | 2000-05-25 | 2003-04-29 | University Of New Brunswick | Non-rotating X-ray system for three-dimensional, three-parameter imaging |
| US6563906B2 (en) | 2000-08-28 | 2003-05-13 | University Of New Brunswick | X-ray compton scattering density measurement at a point within an object |
Families Citing this family (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3023263C2 (de) * | 1980-06-21 | 1986-08-14 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Anordnung zur Ermittlung der inneren Struktur eines Körpers mittels monoenergetischer Strahlung |
| DE3031949A1 (de) * | 1980-08-25 | 1982-04-01 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Streustrahlen-untersuchungsanordnung zur ermittlung der inneren struktur eines koerpers |
| US4426578A (en) * | 1980-10-08 | 1984-01-17 | Technicare Corporation | Support structure for rotatable scintillation detector |
| EP0105618B1 (en) * | 1982-09-07 | 1989-10-25 | The Board Of Trustees Of The Leland Stanford Junior University | X-ray imaging system having radiation scatter compensation and method |
| DE3406905A1 (de) * | 1984-02-25 | 1985-09-05 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Roentgengeraet |
| DE3534702A1 (de) * | 1985-09-28 | 1987-04-09 | Philips Patentverwaltung | Verfahren zur bestimmung der fotoschwaechung in einem bereich eines untersuchungskoerpers und anordnung zur durchfuehrung des verfahrens |
| US4809312A (en) * | 1986-07-22 | 1989-02-28 | American Science And Engineering, Inc. | Method and apparatus for producing tomographic images |
| DE3630651A1 (de) * | 1986-09-09 | 1988-03-17 | Philips Patentverwaltung | Verfahren zur zweidimensionalen compton-profil-abbildung |
| US5835617A (en) * | 1996-01-18 | 1998-11-10 | Hamamatsu Photonics K.K. | Optical computer tomographic apparatus and image reconstruction method using optical computer tomography |
| US7664223B1 (en) * | 2001-02-12 | 2010-02-16 | Sectra Mamea Ab | Collimator element |
| US8837669B2 (en) | 2003-04-25 | 2014-09-16 | Rapiscan Systems, Inc. | X-ray scanning system |
| US8243876B2 (en) | 2003-04-25 | 2012-08-14 | Rapiscan Systems, Inc. | X-ray scanners |
| US8451974B2 (en) | 2003-04-25 | 2013-05-28 | Rapiscan Systems, Inc. | X-ray tomographic inspection system for the identification of specific target items |
| US9113839B2 (en) | 2003-04-25 | 2015-08-25 | Rapiscon Systems, Inc. | X-ray inspection system and method |
| GB0525593D0 (en) * | 2005-12-16 | 2006-01-25 | Cxr Ltd | X-ray tomography inspection systems |
| US8223919B2 (en) | 2003-04-25 | 2012-07-17 | Rapiscan Systems, Inc. | X-ray tomographic inspection systems for the identification of specific target items |
| US7949101B2 (en) | 2005-12-16 | 2011-05-24 | Rapiscan Systems, Inc. | X-ray scanners and X-ray sources therefor |
| JP3919724B2 (ja) * | 2003-09-19 | 2007-05-30 | 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 | 放射線計算断層画像装置および断層像データ生成方法 |
| US7203276B2 (en) * | 2004-08-27 | 2007-04-10 | University Of New Brunswick | X-ray scatter image reconstruction by balancing of discrepancies between detector responses, and apparatus therefor |
| US20070025514A1 (en) * | 2005-06-06 | 2007-02-01 | Ruediger Lawaczeck | X-ray arrangement for graphic display of an object under examination and use of the x-ray arrangement |
| WO2007035775A2 (en) * | 2005-09-19 | 2007-03-29 | Feng Ma | Imaging system and method utilizing primary radiation |
| US20100183115A1 (en) * | 2006-08-11 | 2010-07-22 | Koninklijke Philips Electronics N.V. | System and method for acquiring image data |
| CN101506688B (zh) * | 2006-08-23 | 2011-12-21 | 美国科技工程公司 | 散射衰减断层成像 |
| DE102007045798B4 (de) * | 2007-09-25 | 2010-12-02 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Anordnung und Verfahren zur Aufnahme von Röntgenstrahlen-Streuungsbildern |
| JP5081556B2 (ja) * | 2007-09-28 | 2012-11-28 | 株式会社リガク | デバイシェラー光学系を備えたｘ線回折測定装置とそのためのｘ線回折測定方法 |
| NL2010267C2 (en) * | 2013-02-07 | 2014-08-11 | Milabs B V | High energy radiation detecting apparatus and method. |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3106640A (en) * | 1960-10-06 | 1963-10-08 | William H Oldendorf | Radiant energy apparatus for investigating selected areas of the interior of objectsobscured by dense material |
| FR2232294B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1973-06-05 | 1978-01-13 | Emi Ltd | |
| US3922552A (en) * | 1974-02-15 | 1975-11-25 | Robert S Ledley | Diagnostic X-ray systems |
| DE2461877A1 (de) * | 1974-12-30 | 1976-07-01 | Alexander Dipl Phys Dr R Krebs | Strahlendiagnostisches verfahren und vorrichtung zur untersuchung von koerperstrukturen, insbesondere zur technischen grobstrukturuntersuchung und zur medizinischen strahlendiagnostik, unter verwendung von roentgen- und/oder gamma-streustrahlung |
| DE2655230A1 (de) * | 1976-12-06 | 1978-06-15 | Siemens Ag | Verfahren und einrichtung zur roentgen- und gammastreustrahlen-tomographie |
| FR2383648A1 (fr) * | 1977-03-17 | 1978-10-13 | Askienazy Serge | Dispositif irradiateur pour tomographie transverse |
| DE2713581C2 (de) * | 1977-03-28 | 1983-04-14 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Anordnung zur Darstellung einer Ebene eines Körpers mit Gamma- oder Röntgenstrahlung |
| FR2405696A1 (fr) * | 1977-10-11 | 1979-05-11 | Radiologie Cie Gle | Procede et appareil de tomographie axiale transverse |
| DE2831311C2 (de) * | 1978-07-17 | 1986-10-30 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Vorrichtung zur Ermittlung innerer Körperstrukturen mittels Streustrahlung |
-
1979
- 1979-11-02 DE DE19792944147 patent/DE2944147A1/de not_active Withdrawn
-
1980
- 1980-10-20 US US06/198,740 patent/US4375695A/en not_active Expired - Lifetime
- 1980-10-23 EP EP80201007A patent/EP0028431B1/de not_active Expired
- 1980-10-23 DE DE8080201007T patent/DE3067961D1/de not_active Expired
- 1980-10-30 CA CA000363596A patent/CA1157968A/en not_active Expired
- 1980-10-31 AU AU63887/80A patent/AU6388780A/en not_active Abandoned
- 1980-10-31 ES ES496430A patent/ES496430A0/es active Granted
- 1980-11-01 JP JP15455780A patent/JPS5674644A/ja active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6556653B2 (en) | 2000-05-25 | 2003-04-29 | University Of New Brunswick | Non-rotating X-ray system for three-dimensional, three-parameter imaging |
| US6563906B2 (en) | 2000-08-28 | 2003-05-13 | University Of New Brunswick | X-ray compton scattering density measurement at a point within an object |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2944147A1 (de) | 1981-05-14 |
| AU6388780A (en) | 1981-05-07 |
| JPH027421B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1990-02-19 |
| DE3067961D1 (en) | 1984-06-28 |
| EP0028431B1 (de) | 1984-05-23 |
| JPS5674644A (en) | 1981-06-20 |
| US4375695A (en) | 1983-03-01 |
| EP0028431A1 (de) | 1981-05-13 |
| ES8107396A1 (es) | 1981-10-01 |
| ES496430A0 (es) | 1981-10-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |