FR2482444A1 - Appareil de tomographie calculee, a rayons x, utilisant un mecanisme de balayage mecanique a spot flottant - Google Patents

Appareil de tomographie calculee, a rayons x, utilisant un mecanisme de balayage mecanique a spot flottant Download PDF

Info

Publication number
FR2482444A1
FR2482444A1 FR8103110A FR8103110A FR2482444A1 FR 2482444 A1 FR2482444 A1 FR 2482444A1 FR 8103110 A FR8103110 A FR 8103110A FR 8103110 A FR8103110 A FR 8103110A FR 2482444 A1 FR2482444 A1 FR 2482444A1
Authority
FR
France
Prior art keywords
ray
rotation
axis
detector
brush
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.)
Withdrawn
Application number
FR8103110A
Other languages
English (en)
French (fr)
Inventor
Roderick D Swift
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
American Science and Engineering Inc
Original Assignee
American Science and Engineering Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by American Science and Engineering Inc filed Critical American Science and Engineering Inc
Publication of FR2482444A1 publication Critical patent/FR2482444A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/48Diagnostic techniques
    • A61B6/482Diagnostic techniques involving multiple energy imaging
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05GX-RAY TECHNIQUE
    • H05G1/00X-ray apparatus involving X-ray tubes; Circuits therefor
    • H05G1/08Electrical details
    • H05G1/60Circuit arrangements for obtaining a series of X-ray photographs or for X-ray cinematography
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/02Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03Computed tomography [CT]
    • A61B6/032Transmission computed tomography [CT]
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/06Diaphragms
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/40Arrangements for generating radiation specially adapted for radiation diagnosis
    • A61B6/4064Arrangements for generating radiation specially adapted for radiation diagnosis specially adapted for producing a particular type of beam
    • A61B6/4078Fan-beams
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/52Devices using data or image processing specially adapted for radiation diagnosis
    • A61B6/5205Devices using data or image processing specially adapted for radiation diagnosis involving processing of raw data to produce diagnostic data
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/40Arrangements for generating radiation specially adapted for radiation diagnosis
    • A61B6/4035Arrangements for generating radiation specially adapted for radiation diagnosis the source being combined with a filter or grating
    • A61B6/4042K-edge filters

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Biophysics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Pulmonology (AREA)
  • Theoretical Computer Science (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
FR8103110A 1980-05-19 1981-02-17 Appareil de tomographie calculee, a rayons x, utilisant un mecanisme de balayage mecanique a spot flottant Withdrawn FR2482444A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15082380A 1980-05-19 1980-05-19

Publications (1)

Publication Number Publication Date
FR2482444A1 true FR2482444A1 (fr) 1981-11-20

Family

ID=22536133

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8103110A Withdrawn FR2482444A1 (fr) 1980-05-19 1981-02-17 Appareil de tomographie calculee, a rayons x, utilisant un mecanisme de balayage mecanique a spot flottant

Country Status (13)

Country Link
JP (1) JPS576644A (pt)
KR (1) KR830007028A (pt)
AR (1) AR224684A1 (pt)
AU (1) AU6679581A (pt)
BE (1) BE887726A (pt)
BR (1) BR8102031A (pt)
DE (1) DE3106264A1 (pt)
ES (1) ES500192A0 (pt)
FR (1) FR2482444A1 (pt)
GB (1) GB2076250A (pt)
IT (1) IT1142517B (pt)
NL (1) NL8102452A (pt)
SE (1) SE8100606L (pt)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0074021A1 (de) * 1981-09-07 1983-03-16 Siemens Aktiengesellschaft Röntgenuntersuchungsgerät
FR2560037A1 (fr) * 1984-02-28 1985-08-30 Thomson Cgr Procede de controle de positionnement d'un patient par rapport a une installation de radiologie, et installation pour la mise en oeuvre de ce procede

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2170980B (en) * 1985-02-07 1988-05-25 Steve Webb Ct scanner and detector therefor
GB2204770B (en) * 1987-04-10 1991-11-27 British Aerospace Imaging system
US6891918B2 (en) * 2002-11-27 2005-05-10 Ge Medical Systems Global Technology Company, Llc Methods and apparatus for acquiring perfusion data
CN102793559A (zh) * 2011-05-24 2012-11-28 上海世鹏实验室科技发展有限公司 一种人体安全探测扫描装置
CN107536618B (zh) * 2016-06-29 2020-05-15 合肥美亚光电技术股份有限公司 X射线成像装置及其探测器偏转机构
CN108400079A (zh) * 2018-05-10 2018-08-14 同方威视技术股份有限公司 笔形束x射线管和背散射检测设备
US11071507B2 (en) * 2018-12-27 2021-07-27 Medtronic Navigation, Inc. System and method for imaging a subject

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2019365A1 (pt) * 1968-08-23 1970-07-03 Emi Ltd
FR2145325A5 (pt) * 1971-07-07 1973-02-16 American Science & Eng Inc
FR2189982A1 (pt) * 1972-06-21 1974-01-25 American Science & Eng Inc
FR2304090A1 (fr) * 1975-03-14 1976-10-08 American Science & Eng Inc Appareil d'exploration d'image par energie rayonnante
FR2350087A1 (fr) * 1976-05-04 1977-12-02 Siemens Ag Appareil radiologique pour la realisation de tomographies transversales
FR2386058A1 (fr) * 1977-03-30 1978-10-27 American Science & Eng Inc Appareil et procede de formation d'images a resolution variable en rayons x
FR2422381A1 (fr) * 1977-12-22 1979-11-09 Statia Verificare Intretinere Installation de radiodiagnostic a balayage

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5394889A (en) * 1977-01-31 1978-08-19 Shimadzu Corp Tomograph

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2019365A1 (pt) * 1968-08-23 1970-07-03 Emi Ltd
FR2145325A5 (pt) * 1971-07-07 1973-02-16 American Science & Eng Inc
FR2189982A1 (pt) * 1972-06-21 1974-01-25 American Science & Eng Inc
FR2304090A1 (fr) * 1975-03-14 1976-10-08 American Science & Eng Inc Appareil d'exploration d'image par energie rayonnante
FR2350087A1 (fr) * 1976-05-04 1977-12-02 Siemens Ag Appareil radiologique pour la realisation de tomographies transversales
FR2386058A1 (fr) * 1977-03-30 1978-10-27 American Science & Eng Inc Appareil et procede de formation d'images a resolution variable en rayons x
FR2422381A1 (fr) * 1977-12-22 1979-11-09 Statia Verificare Intretinere Installation de radiodiagnostic a balayage

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0074021A1 (de) * 1981-09-07 1983-03-16 Siemens Aktiengesellschaft Röntgenuntersuchungsgerät
FR2560037A1 (fr) * 1984-02-28 1985-08-30 Thomson Cgr Procede de controle de positionnement d'un patient par rapport a une installation de radiologie, et installation pour la mise en oeuvre de ce procede
EP0160583A1 (fr) * 1984-02-28 1985-11-06 Thomson-Cgr Procédé de contrôle de positionnement d'un patient par rapport à une installation de radiologie, et installation pour la mise en oeuvre de ce procédé
US4633494A (en) * 1984-02-28 1986-12-30 Thomson-Cgr Method of controlling the positioning of a patient with respect to an X-ray device and installation for carrying out such method

Also Published As

Publication number Publication date
KR830007028A (ko) 1983-10-12
AR224684A1 (es) 1981-12-30
DE3106264A1 (de) 1982-03-04
JPS576644A (en) 1982-01-13
ES8206176A1 (es) 1982-08-16
BR8102031A (pt) 1982-01-12
AU6679581A (en) 1981-11-26
IT8148489A0 (it) 1981-05-18
ES500192A0 (es) 1982-08-16
GB2076250A (en) 1981-11-25
IT1142517B (it) 1986-10-08
BE887726A (fr) 1981-06-15
SE8100606L (sv) 1981-11-20
NL8102452A (nl) 1981-12-16

Similar Documents

Publication Publication Date Title
EP2240080B1 (fr) Appareil de radiologie dentaire et procede associe
US4472822A (en) X-Ray computed tomography using flying spot mechanical scanning mechanism
EP0011897B1 (fr) Appareil d'examen tomographique par exploration de milieux aux rayons X ou gamma
US7072436B2 (en) Volumetric computed tomography (VCT)
US7180977B2 (en) Scanning-based detection of ionizing radiaion for tomosynthesis
US8774354B2 (en) Computed tomography scanning system and method
FR2471178A1 (fr) Appareil de radiographie
FR2877829A1 (fr) Configuration de balayage a fentes reposant sur un detecteur a panneau plat.
FR2830741A1 (fr) Procede et appareil pour etalonner un systeme d'imagerie
US6380540B1 (en) Radiation imaging using simultaneous emission and transmission
EP0485265B1 (fr) Dispositif et procédé de contrÔle non destructif à acquisition simultanée de données radiographiques et de données tomographiques
FR2482444A1 (fr) Appareil de tomographie calculee, a rayons x, utilisant un mecanisme de balayage mecanique a spot flottant
US20070262981A1 (en) 3-D Reconstruction With Oblique Geometry
JP2001324570A (ja) 透過放射線補正型ガンマ線カメラ及びそれを用いた診断画像形成方法
JP2004347328A (ja) X線撮影装置
FR2549711A1 (fr) Appareil de tomographie informatisee et son procede de commande
CA2530390A1 (en) Scanning-based detection of ionizing radiation for tomosynthesis
EP0600014B1 (fr) Procede et appareil de determination de la position exacte d'une cible a l'aide d'un dispositif de reception comprenant une partie active lineaire formee d'une multiplicite d'elements discrets sensibles aux rayonnements
EP1902423B1 (fr) Procede et dispositif d'imagerie x ou infrarouge
JP4929448B2 (ja) 断層撮影装置
FR2888374A1 (fr) Procede de dispositif d'imagerie x ou infrarouge
WO2021028327A1 (fr) Collimateur tournant pour un système de détection de rayons x
US11163073B2 (en) Charger integration-based virtual CT detector
US7020237B2 (en) Scanning-based detection of ionizing radiation for tomosynthesis
EP0226484B1 (fr) Appareil de radiologie à balayage

Legal Events

Date Code Title Description
ST Notification of lapse