DE2553241A1 - Tomografieverfahren und vorrichtung zu dessen durchfuehrung - Google Patents
Tomografieverfahren und vorrichtung zu dessen durchfuehrungInfo
- Publication number
- DE2553241A1 DE2553241A1 DE19752553241 DE2553241A DE2553241A1 DE 2553241 A1 DE2553241 A1 DE 2553241A1 DE 19752553241 DE19752553241 DE 19752553241 DE 2553241 A DE2553241 A DE 2553241A DE 2553241 A1 DE2553241 A1 DE 2553241A1
- Authority
- DE
- Germany
- Prior art keywords
- radiation
- diverging
- hard
- fan
- rays
- 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.)
- Ceased
Links
- 238000000034 method Methods 0.000 title claims description 43
- 238000003325 tomography Methods 0.000 title claims description 8
- 230000005855 radiation Effects 0.000 claims description 132
- 238000010521 absorption reaction Methods 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 12
- 239000011159 matrix material Substances 0.000 claims description 10
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 230000002238 attenuated effect Effects 0.000 claims description 4
- 230000014509 gene expression Effects 0.000 claims description 3
- 239000011358 absorbing material Substances 0.000 claims 2
- 230000000903 blocking effect Effects 0.000 claims 1
- 230000006870 function Effects 0.000 description 21
- 238000010586 diagram Methods 0.000 description 11
- 238000013507 mapping Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 238000004422 calculation algorithm Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000009466 transformation Effects 0.000 description 6
- VTTONGPRPXSUTJ-UHFFFAOYSA-N bufotenin Chemical compound C1=C(O)C=C2C(CCN(C)C)=CNC2=C1 VTTONGPRPXSUTJ-UHFFFAOYSA-N 0.000 description 4
- 239000012212 insulator Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 239000011521 glass Substances 0.000 description 3
- PWPJGUXAGUPAHP-UHFFFAOYSA-N lufenuron Chemical compound C1=C(Cl)C(OC(F)(F)C(C(F)(F)F)F)=CC(Cl)=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F PWPJGUXAGUPAHP-UHFFFAOYSA-N 0.000 description 3
- 210000004072 lung Anatomy 0.000 description 3
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- 235000010044 Hernandia moerenhoutiana Nutrition 0.000 description 2
- 244000084296 Hernandia moerenhoutiana Species 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
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- 230000007423 decrease Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000005251 gamma ray Effects 0.000 description 2
- 230000005865 ionizing radiation Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000029058 respiratory gaseous exchange Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910052724 xenon Inorganic materials 0.000 description 2
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 2
- 102100035605 Cas scaffolding protein family member 4 Human genes 0.000 description 1
- 101000947106 Homo sapiens Cas scaffolding protein family member 4 Proteins 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000635 electron micrograph Methods 0.000 description 1
- 238000013213 extrapolation Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000000752 ionisation method Methods 0.000 description 1
- 101150057066 nahG gene Proteins 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000012857 radioactive material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
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- 238000011426 transformation method Methods 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 230000004304 visual acuity Effects 0.000 description 1
Classifications
-
- 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
- G01T1/2921—Static instruments for imaging the distribution of radioactivity in one or two dimensions; Radio-isotope cameras
- G01T1/2935—Static instruments for imaging the distribution of radioactivity in one or two dimensions; Radio-isotope cameras using ionisation detectors
-
- 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
- A61B6/06—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
- A61B6/40—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
- A61B6/4078—Fan-beams
-
- 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
- A61B6/46—Arrangements for interfacing with the operator or the patient
- A61B6/461—Displaying means of special interest
- A61B6/466—Displaying means of special interest adapted to display 3D data
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J47/00—Tubes for determining the presence, intensity, density or energy of radiation or particles
- H01J47/06—Proportional counter tubes
-
- 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
- A61B6/42—Arrangements for detecting radiation specially adapted for radiation diagnosis
- A61B6/4208—Arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector
- A61B6/4258—Arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector for detecting non x-ray radiation, e.g. gamma 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
- A61B6/42—Arrangements for detecting radiation specially adapted for radiation diagnosis
- A61B6/4291—Arrangements for detecting radiation specially adapted for radiation diagnosis the detector being combined with a grid or grating
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Medical Informatics (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- High Energy & Nuclear Physics (AREA)
- Heart & Thoracic Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Biophysics (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Optics & Photonics (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Human Computer Interaction (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Pulmonology (AREA)
- Theoretical Computer Science (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/528,026 US4075492A (en) | 1974-11-29 | 1974-11-29 | Fan beam X- or γ-ray 3-D tomography |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2553241A1 true DE2553241A1 (de) | 1976-06-24 |
Family
ID=24103961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19752553241 Ceased DE2553241A1 (de) | 1974-11-29 | 1975-11-27 | Tomografieverfahren und vorrichtung zu dessen durchfuehrung |
Country Status (8)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2536862A1 (fr) * | 1982-11-29 | 1984-06-01 | Elscint Ltd | Procede et equipement pour rearranger des faisceaux divergents en tomographie |
Families Citing this family (36)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2718943A1 (de) * | 1977-04-28 | 1978-11-02 | Philips Patentverwaltung | Anordnung zur herstellung von roentgenschichtaufnahmen |
| US4196352A (en) * | 1978-04-28 | 1980-04-01 | General Electric Company | Multiple purpose high speed tomographic x-ray scanner |
| NL183914C (nl) * | 1979-02-02 | 1989-02-16 | Optische Ind De Oude Delft Nv | Roentgenbeeldversterker. |
| US4301368A (en) * | 1980-01-31 | 1981-11-17 | Hospital Physics Oy | Ionizing radiation detector adapted for use with tomography systems |
| US4311908A (en) * | 1980-03-04 | 1982-01-19 | The Rockefeller University | Simple electronic apparatus for the analysis of radioactively labeled gel electrophoretograms |
| US4558223A (en) * | 1981-03-02 | 1985-12-10 | Sysmed, Inc. | Electronic x-ray recording |
| US4475020A (en) * | 1981-06-08 | 1984-10-02 | Clarion Co., Ltd. | Slide switch operating device |
| JPS5917334A (ja) * | 1982-07-21 | 1984-01-28 | 株式会社東芝 | 心拍連動画像診断装置 |
| US4580219A (en) * | 1983-05-02 | 1986-04-01 | General Electric Company | Method for reducing image artifacts due to projection measurement inconsistencies |
| JPS607292A (ja) * | 1983-06-27 | 1985-01-16 | Toshiba Corp | 立体ｘ線テレビ装置 |
| US4573179A (en) * | 1984-05-29 | 1986-02-25 | Imatron, Inc. | Scanned projection radiography using high speed computed tomographic scanning system |
| US4672649A (en) * | 1984-05-29 | 1987-06-09 | Imatron, Inc. | Three dimensional scanned projection radiography using high speed computed tomographic scanning system |
| US4682291A (en) * | 1984-10-26 | 1987-07-21 | Elscint Ltd. | Noise artifacts reduction |
| US4707608A (en) * | 1985-04-10 | 1987-11-17 | University Of North Carolina At Chapel Hill | Kinestatic charge detection using synchronous displacement of detecting device |
| US4707822A (en) * | 1985-05-09 | 1987-11-17 | Kabushiki Kaisha Toshiba | Tomographic apparatus |
| US4829552A (en) * | 1985-12-06 | 1989-05-09 | Rossi Remo J | Anti-scatter grid system |
| US4875227A (en) * | 1986-12-06 | 1989-10-17 | Rossi Remo J | Anti-scatter grid system |
| US4751391A (en) * | 1986-12-19 | 1988-06-14 | General Electric Company | High resolution X-ray collimator/detector system having reduced sensitivity to leakage radiation |
| IL83233A (en) * | 1987-07-17 | 1991-01-31 | Elscint Ltd | Reconstruction in ct scanners using divergent beams |
| US4795909A (en) * | 1987-10-09 | 1989-01-03 | University Of North Carolina | High performance front window for a kinestatic charge detector |
| US5485493A (en) * | 1988-10-20 | 1996-01-16 | Picker International, Inc. | Multiple detector ring spiral scanner with relatively adjustable helical paths |
| US5028788A (en) * | 1990-04-03 | 1991-07-02 | Electromed International Ltd. | X-ray sensor array |
| US5140395A (en) * | 1990-04-03 | 1992-08-18 | Electromed International Ltd. | X-ray sensor arrays |
| US5319547A (en) * | 1990-08-10 | 1994-06-07 | Vivid Technologies, Inc. | Device and method for inspection of baggage and other objects |
| RU94043357A (ru) * | 1994-12-08 | 1996-10-27 | А.В. Курбатов | Способ получения изображения объекта с помощью проникающего излучения и устройство для его осуществления |
| US5744802A (en) * | 1995-10-25 | 1998-04-28 | Adac Laboratories | Image generation from limited projections in positron emission tomography using multi-slice rebinning |
| US6473487B1 (en) | 2000-12-27 | 2002-10-29 | Rapiscan Security Products, Inc. | Method and apparatus for physical characteristics discrimination of objects using a limited view three dimensional reconstruction |
| US7224765B2 (en) * | 2002-10-02 | 2007-05-29 | Reveal Imaging Technologies, Inc. | Computed tomography system |
| DE60335814D1 (de) | 2002-10-02 | 2011-03-03 | Reveal Imaging Technologies Inc | Kompakter ct-scanner für gepäckstücke mit detektoranordnungen in unterschiedlichem abstand zur röntgenquelle |
| SE527976C2 (sv) * | 2004-01-08 | 2006-07-25 | Xcounter Ab | Skanningsbaserad detektering av joniserande strålning för tomosyntes |
| US7039154B1 (en) * | 2003-10-02 | 2006-05-02 | Reveal Imaging Technologies, Inc. | Folded array CT baggage scanner |
| US20050100126A1 (en) * | 2003-11-07 | 2005-05-12 | Mistretta Charles A. | Computed tomography with z-axis scanning |
| WO2006029214A2 (en) * | 2004-09-08 | 2006-03-16 | Tru Tech Systems, Inc. | Automated inspection comparator/shadowgraph system |
| JP2007155638A (ja) * | 2005-12-08 | 2007-06-21 | Ge Medical Systems Global Technology Co Llc | コリメータ・ユニット、補強コリメータ、ｃｔ用検出器およびｃｔ装置 |
| CN108652656B (zh) * | 2018-05-21 | 2024-04-12 | 北京达影科技有限公司 | 复合探测器、体层成像系统及方法 |
| RU2721721C1 (ru) * | 2019-06-03 | 2020-05-21 | Акционерное общество "ИНСТИТУТ ПРИКЛАДНОЙ ФИЗИКИ" | Способ получения цифрового рентгеновского изображения |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3654469A (en) * | 1969-05-16 | 1972-04-04 | Frederick W Kantor | Matrix-form proportional-mode radiation detector |
| US3591806A (en) * | 1970-03-17 | 1971-07-06 | Atomic Energy Commission | Multicrystal tomographic scanner for mapping thin cross section of radioactivity in an organ of the human body |
| US3684886A (en) * | 1970-04-13 | 1972-08-15 | Nuclear Chicago Corp | Tomographic imaging device using a rotating slanted multichannel collimator |
| US3714429A (en) * | 1970-09-28 | 1973-01-30 | Afee J Mc | Tomographic radioisotopic imaging with a scintillation camera |
| US3742236A (en) * | 1970-10-07 | 1973-06-26 | A Richards | Method and apparatus for variable depth laminagraphy |
-
1974
- 1974-11-29 US US05/528,026 patent/US4075492A/en not_active Expired - Lifetime
-
1975
- 1975-11-25 JP JP50141046A patent/JPS522185A/ja active Pending
- 1975-11-25 GB GB48434/75A patent/GB1526763A/en not_active Expired
- 1975-11-27 DE DE19752553241 patent/DE2553241A1/de not_active Ceased
- 1975-11-28 BE BE162281A patent/BE836081A/xx not_active IP Right Cessation
- 1975-11-28 CA CA240,741A patent/CA1090481A/en not_active Expired
- 1975-11-28 AU AU87099/75A patent/AU501124B2/en not_active Expired
- 1975-11-28 CH CH1549175A patent/CH611506A5/xx not_active IP Right Cessation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2536862A1 (fr) * | 1982-11-29 | 1984-06-01 | Elscint Ltd | Procede et equipement pour rearranger des faisceaux divergents en tomographie |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS522185A (en) | 1977-01-08 |
| AU501124B2 (en) | 1979-06-14 |
| BE836081A (fr) | 1976-05-28 |
| AU8709975A (en) | 1977-06-02 |
| US4075492A (en) | 1978-02-21 |
| CH611506A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1979-06-15 |
| GB1526763A (en) | 1978-09-27 |
| CA1090481A (en) | 1980-11-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| 8131 | Rejection |