CA1072688A - Device for measuring the spatial distribution of absorption in a body - Google Patents
Device for measuring the spatial distribution of absorption in a bodyInfo
- Publication number
- CA1072688A CA1072688A CA273,314A CA273314A CA1072688A CA 1072688 A CA1072688 A CA 1072688A CA 273314 A CA273314 A CA 273314A CA 1072688 A CA1072688 A CA 1072688A
- Authority
- CA
- Canada
- Prior art keywords
- radiation
- radiator
- parts
- slice
- region
- 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
- 238000010521 absorption reaction Methods 0.000 title claims abstract description 30
- 230000005855 radiation Effects 0.000 claims abstract description 59
- 238000005259 measurement Methods 0.000 claims description 17
- 239000000032 diagnostic agent Substances 0.000 claims description 4
- 238000009499 grossing Methods 0.000 claims description 2
- 238000002591 computed tomography Methods 0.000 abstract 1
- 230000002238 attenuated effect Effects 0.000 description 11
- 150000002500 ions Chemical class 0.000 description 5
- 230000009467 reduction Effects 0.000 description 4
- 238000006722 reduction reaction Methods 0.000 description 4
- 238000004364 calculation method Methods 0.000 description 3
- 238000003745 diagnosis Methods 0.000 description 3
- KRTSDMXIXPKRQR-AATRIKPKSA-N monocrotophos Chemical compound CNC(=O)\C=C(/C)OP(=O)(OC)OC KRTSDMXIXPKRQR-AATRIKPKSA-N 0.000 description 3
- ODPOAESBSUKMHD-UHFFFAOYSA-L 6,7-dihydrodipyrido[1,2-b:1',2'-e]pyrazine-5,8-diium;dibromide Chemical compound [Br-].[Br-].C1=CC=[N+]2CC[N+]3=CC=CC=C3C2=C1 ODPOAESBSUKMHD-UHFFFAOYSA-L 0.000 description 2
- 239000005630 Diquat Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 235000013570 smoothie Nutrition 0.000 description 1
- 230000001052 transient effect Effects 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
- A61B6/40—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
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05G—X-RAY TECHNIQUE
- H05G1/00—X-ray apparatus involving X-ray tubes; Circuits therefor
- H05G1/08—Electrical details
- H05G1/26—Measuring, controlling or protecting
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Medical Informatics (AREA)
- General Health & Medical Sciences (AREA)
- Optics & Photonics (AREA)
- Surgery (AREA)
- Veterinary Medicine (AREA)
- Biophysics (AREA)
- High Energy & Nuclear Physics (AREA)
- Public Health (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Animal Behavior & Ethology (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- Toxicology (AREA)
- Pulmonology (AREA)
- Theoretical Computer Science (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Measurement Of Radiation (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2609925A DE2609925C2 (de) | 1976-03-10 | 1976-03-10 | Anordnung zur Ermittlung der Verteilung der Absorption eines Körpers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1072688A true CA1072688A (en) | 1980-02-26 |
Family
ID=5972020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA273,314A Expired CA1072688A (en) | 1976-03-10 | 1977-03-07 | Device for measuring the spatial distribution of absorption in a body |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS52110582A (de) |
| CA (1) | CA1072688A (de) |
| DE (1) | DE2609925C2 (de) |
| FR (1) | FR2344032A1 (de) |
| GB (1) | GB1579694A (de) |
| IL (1) | IL51613A (de) |
| NL (1) | NL7702394A (de) |
| SE (1) | SE7702484L (de) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4132895A (en) * | 1976-08-28 | 1979-01-02 | Emi Limited | Radiography |
| FI54856C (fi) * | 1976-12-17 | 1979-04-10 | Palomex Oy | Anordning vid roentgenanledning |
| JPS5451496A (en) * | 1977-09-30 | 1979-04-23 | Shimadzu Corp | Computer tomograph |
| DE2756659A1 (de) * | 1977-12-19 | 1979-06-21 | Philips Patentverwaltung | Anordnung zur bestimmung der absorptionsverteilung |
| FR2431853A1 (fr) * | 1978-07-27 | 1980-02-22 | Radiologie Cie Gle | Procede de centrage automatique d'un objet a examiner dans un tomodensitometre a faisceau en eventail et tomodensitometre adapte a ce procede |
| DE2920051C2 (de) * | 1979-05-18 | 1984-04-19 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Röntgengerät zur Ermittlung der Absorptionsverteilung in einem ebenen Untersuchungsbereich |
| DE2924423A1 (de) * | 1979-06-16 | 1980-12-18 | Philips Patentverwaltung | Verfahren zur ermittlung der raeumlichen verteilung der absorption von strahlung in einem ebenen bereich |
| DE2928825A1 (de) * | 1979-07-17 | 1981-02-12 | Siemens Ag | Schichtaufnahmegeraet zur herstellung von transversalschichtbildern |
| JPS5675144A (en) * | 1979-11-27 | 1981-06-22 | Tokyo Shibaura Electric Co | Radiation iris device |
| NL8006304A (nl) * | 1980-11-19 | 1982-06-16 | Philips Nv | Werkwijze en inrichting voor het bepalen van de verdeling van stralingsabsorptie in een vlak van een lichaam. |
| FR2595860A1 (fr) * | 1986-03-17 | 1987-09-18 | Kodak Pathe | Filtre de compensation pour la radiographie |
| FR2705222B1 (fr) * | 1993-05-18 | 1995-08-11 | Ge Medical Syst Sa | Dispositif de conformation de champ asservi à la position angulaire du faisceau d'un système d'imagerie à rayons X. |
| GB2298556A (en) * | 1995-03-01 | 1996-09-04 | St George's Healthcare Nhs Trust | X-ray beam attenuator |
| EP1008325B1 (de) * | 1997-03-12 | 2004-10-06 | Hitachi Medical Corporation | Rechnergestützter röntgen-tomograph mit kollimator zur begrenzung des bereichs eines fächerförmigen bestrahlungs bündels |
| DE10141346A1 (de) * | 2001-08-23 | 2003-06-26 | Siemens Ag | Verfahren zur Aufnahme von Messdaten mit einem Computertormographen |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3484604A (en) * | 1967-10-17 | 1969-12-16 | Tokyo Shibaura Electric Co | Axial transverse tomography wherein the angle of spread of radiation is controlled |
| DE1800879C3 (de) * | 1968-10-03 | 1974-01-10 | Siemens Ag, 1000 Berlin U. 8000 Muenchen | Primärstrahlenblende für Röntgenuntersuchungsgeräte |
| FR2232294B1 (de) * | 1973-06-05 | 1978-01-13 | Emi Ltd | |
| JPS5514652B2 (de) * | 1973-08-18 | 1980-04-17 | ||
| GB1478123A (en) * | 1973-08-18 | 1977-06-29 | Emi Ltd | Tomography |
| CH568769A5 (de) * | 1973-09-26 | 1975-11-14 | Hauenstein Walter | |
| US3965353A (en) * | 1974-12-06 | 1976-06-22 | Albert Macovski | Cross-sectional X-ray emission imaging system |
| DE2604020C3 (de) * | 1976-02-03 | 1980-12-04 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Vorrichtung zur Ermittlung der Absorption einer Strahlung in einer Ebene eines Körpers mit einer einen keilförmigen Strahlungsbereich ausblendenden Abblendvorrichtung |
-
1976
- 1976-03-10 DE DE2609925A patent/DE2609925C2/de not_active Expired
-
1977
- 1977-03-07 SE SE7702484A patent/SE7702484L/xx unknown
- 1977-03-07 GB GB9458/77A patent/GB1579694A/en not_active Expired
- 1977-03-07 CA CA273,314A patent/CA1072688A/en not_active Expired
- 1977-03-07 NL NL7702394A patent/NL7702394A/xx not_active Application Discontinuation
- 1977-03-07 IL IL51613A patent/IL51613A/xx unknown
- 1977-03-09 JP JP2495777A patent/JPS52110582A/ja active Pending
- 1977-03-10 FR FR7707102A patent/FR2344032A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| NL7702394A (nl) | 1977-09-13 |
| IL51613A (en) | 1979-09-30 |
| JPS52110582A (en) | 1977-09-16 |
| DE2609925C2 (de) | 1982-06-09 |
| FR2344032B1 (de) | 1982-05-14 |
| FR2344032A1 (fr) | 1977-10-07 |
| SE7702484L (sv) | 1977-09-11 |
| IL51613A0 (en) | 1977-05-31 |
| GB1579694A (en) | 1980-11-19 |
| DE2609925A1 (de) | 1977-09-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA1072688A (en) | Device for measuring the spatial distribution of absorption in a body | |
| CA1157968A (en) | Device for determining the density distribution in an object | |
| US7646843B2 (en) | Method for producing projective and tomographic phase contrast images with the aid of an X-ray system | |
| US4384209A (en) | Method of and device for determining the contour of a body by means of radiation scattered by the body | |
| US4352020A (en) | Method and apparatus for examining a subject | |
| RU2145485C1 (ru) | Ультрамалоугловая рентгеновская томография | |
| US4751722A (en) | X-ray apparatus | |
| US5485492A (en) | Reduced field-of-view CT system for imaging compact embedded structures | |
| JP2753517B2 (ja) | １つまたは複数の円形偏心ファントムを用いたｘ線スキャナの較正方法とシステム | |
| CA1116317A (en) | Device for computer tomography | |
| JPH0126019B2 (de) | ||
| US5056020A (en) | Method and system for the correction of image defects of a scanner due to the movements of the latter | |
| CN1309949A (zh) | Ct机的运行方法和ct机 | |
| JPS6347456B2 (de) | ||
| KR101948800B1 (ko) | 3차원 산란 방사선 영상장치와 이를 갖는 방사선 의료장비 및 3차원 산란 방사선 영상장치의 배치 방법 | |
| GB2088670A (en) | Radiation absorption distribution measurement in a part section of a body | |
| CN101228553A (zh) | 用于成像断层造影的方法和装置 | |
| JPH04307036A (ja) | ３次元像再構成方法およびその装置 | |
| US4807267A (en) | X-ray computed tomography apparatus | |
| JP2753516B2 (ja) | 非円形の単一のスタンダートを用いたｘ線スキャナの較正方法とシステム | |
| US4455667A (en) | Radiation diagnostic device for generating tomographic images | |
| US4314337A (en) | Method of and apparatus for generating improved reconstruction images in computerized tomography equipment | |
| JPS62284250A (ja) | 産業用ｃｔスキヤナ | |
| US4150294A (en) | Radiography | |
| JPH0759762A (ja) | Ｘ線ｃｔ装置 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |