DE2105493A1 - Strahlungsorptionsfiltervornchtung fur Gerate zur Strahlungsaufzeichnung - Google Patents
Strahlungsorptionsfiltervornchtung fur Gerate zur StrahlungsaufzeichnungInfo
- Publication number
- DE2105493A1 DE2105493A1 DE19712105493 DE2105493A DE2105493A1 DE 2105493 A1 DE2105493 A1 DE 2105493A1 DE 19712105493 DE19712105493 DE 19712105493 DE 2105493 A DE2105493 A DE 2105493A DE 2105493 A1 DE2105493 A1 DE 2105493A1
- Authority
- DE
- Germany
- Prior art keywords
- absorption
- radiation
- bodies
- absorbent
- absorption body
- 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.)
- Pending
Links
- 238000010521 absorption reaction Methods 0.000 title claims description 94
- 230000005855 radiation Effects 0.000 title claims description 59
- 230000002745 absorbent Effects 0.000 claims description 21
- 239000002250 absorbent Substances 0.000 claims description 21
- 230000005865 ionizing radiation Effects 0.000 claims description 8
- 239000011358 absorbing material Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 4
- 238000001228 spectrum Methods 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims 1
- 229910052761 rare earth metal Inorganic materials 0.000 claims 1
- 150000002910 rare earth metals Chemical class 0.000 claims 1
- 239000000126 substance Substances 0.000 description 5
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 210000001015 abdomen Anatomy 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 210000002832 shoulder Anatomy 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 210000000689 upper leg Anatomy 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
- A61B6/02—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
- A61B6/08—Auxiliary means for directing the radiation beam to a particular spot, e.g. using light 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
- A61B6/40—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
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B42/00—Obtaining records using waves other than optical waves; Visualisation of such records by using optical means
- G03B42/02—Obtaining records using waves other than optical waves; Visualisation of such records by using optical means using X-rays
-
- 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
- G21K1/10—Scattering devices; Absorbing devices; Ionising radiation filters
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Medical Informatics (AREA)
- High Energy & Nuclear Physics (AREA)
- Radiology & Medical Imaging (AREA)
- Molecular Biology (AREA)
- Veterinary Medicine (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Optics & Photonics (AREA)
- Pathology (AREA)
- Public Health (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Biophysics (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Engineering & Computer Science (AREA)
- Pulmonology (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (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 |
|---|---|---|---|
| SE7001651A SE372884B (US20050021378A1-20050127-P00601.png) | 1970-02-09 | 1970-02-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2105493A1 true DE2105493A1 (de) | 1971-08-26 |
Family
ID=20258580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19712105493 Pending DE2105493A1 (de) | 1970-02-09 | 1971-02-05 | Strahlungsorptionsfiltervornchtung fur Gerate zur Strahlungsaufzeichnung |
Country Status (11)
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3917954A (en) * | 1973-11-09 | 1975-11-04 | Gundersen Clinic Ltd | External x-ray beam flattening filter |
| US4347440A (en) * | 1980-07-09 | 1982-08-31 | Siemens Medical Laboratories, Inc. | Filter arrangement for an x-ray apparatus |
| US4497062A (en) * | 1983-06-06 | 1985-01-29 | Wisconsin Alumni Research Foundation | Digitally controlled X-ray beam attenuation method and apparatus |
| NL8700781A (nl) * | 1987-04-02 | 1988-11-01 | Optische Ind De Oude Delft Nv | Werkwijze en inrichting voor contrastharmonisatie van een roentgenbeeld. |
| NL8801589A (nl) * | 1988-06-22 | 1990-01-16 | Optische Ind De Oude Delft Nv | Inrichting voor spleetradiografie voorzien van absorptie-elementen, alsmede werkwijze voor het vervaardigen van absorptie-elementen. |
| US5598003A (en) * | 1995-05-11 | 1997-01-28 | Adac Laboratories | Large field of view transmission and small field of view emission scan within gamma camera system |
| US7538325B2 (en) * | 2000-02-10 | 2009-05-26 | American Science And Engineering, Inc. | Single-pulse-switched multiple energy X-ray source applications |
| US20050117683A1 (en) * | 2000-02-10 | 2005-06-02 | Andrey Mishin | Multiple energy x-ray source for security applications |
| US6459761B1 (en) * | 2000-02-10 | 2002-10-01 | American Science And Engineering, Inc. | Spectrally shaped x-ray inspection system |
| US7010094B2 (en) * | 2000-02-10 | 2006-03-07 | American Science And Engineering, Inc. | X-ray inspection using spatially and spectrally tailored beams |
| US20080211431A1 (en) * | 2000-02-10 | 2008-09-04 | American Science And Engineering, Inc. | Pulse-to-Pulse-Switchable Multiple-Energy Linear Accelerators Based on Fast RF Power Switching |
| FR2850789B1 (fr) * | 2003-01-30 | 2008-07-11 | Ge Med Sys Global Tech Co Llc | Tube a rayon x avec filtrage ameliore |
| DE102009012631B4 (de) * | 2009-03-11 | 2011-07-28 | Bayer Schering Pharma Aktiengesellschaft, 13353 | Filter für einen Computertomographen sowie Computertomograph |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2405444A (en) * | 1942-08-05 | 1946-08-06 | Moreau Santiago | Radiographic filter |
-
1970
- 1970-02-09 SE SE7001651A patent/SE372884B/xx unknown
-
1971
- 1971-02-05 DE DE19712105493 patent/DE2105493A1/de active Pending
- 1971-02-05 US US00113013A patent/US3748487A/en not_active Expired - Lifetime
- 1971-02-08 CH CH182471A patent/CH522348A/de not_active IP Right Cessation
- 1971-02-08 BE BE762649A patent/BE762649A/xx unknown
- 1971-02-09 NL NL7101695A patent/NL7101695A/xx unknown
- 1971-02-09 JP JP46005045A patent/JPS5225719B1/ja active Pending
- 1971-02-09 CA CA104896A patent/CA929285A/en not_active Expired
- 1971-02-09 FR FR7104281A patent/FR2078379A5/fr not_active Expired
- 1971-02-09 AT AT103771A patent/AT320089B/de not_active IP Right Cessation
- 1971-04-19 GB GB21327/71A patent/GB1300184A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1300184A (en) | 1972-12-20 |
| FR2078379A5 (US20050021378A1-20050127-P00601.png) | 1971-11-05 |
| CA929285A (en) | 1973-06-26 |
| US3748487A (en) | 1973-07-24 |
| CH522348A (de) | 1972-06-15 |
| BE762649A (fr) | 1971-07-16 |
| AT320089B (de) | 1975-01-27 |
| JPS5225719B1 (US20050021378A1-20050127-P00601.png) | 1977-07-09 |
| SE372884B (US20050021378A1-20050127-P00601.png) | 1975-01-20 |
| NL7101695A (US20050021378A1-20050127-P00601.png) | 1971-08-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OHJ | Non-payment of the annual fee |