FR2365329A1 - Appareil de balayage tomographique - Google Patents

Appareil de balayage tomographique

Info

Publication number
FR2365329A1
FR2365329A1 FR7702654A FR7702654A FR2365329A1 FR 2365329 A1 FR2365329 A1 FR 2365329A1 FR 7702654 A FR7702654 A FR 7702654A FR 7702654 A FR7702654 A FR 7702654A FR 2365329 A1 FR2365329 A1 FR 2365329A1
Authority
FR
France
Prior art keywords
distribution
radiant energy
axis
source
detectors
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.)
Granted
Application number
FR7702654A
Other languages
English (en)
Other versions
FR2365329B1 (fr
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 FR2365329A1 publication Critical patent/FR2365329A1/fr
Application granted granted Critical
Publication of FR2365329B1 publication Critical patent/FR2365329B1/fr
Granted 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
    • A61B6/42Arrangements for detecting radiation specially adapted for radiation diagnosis
    • A61B6/4275Arrangements for detecting radiation specially adapted for radiation diagnosis using a detector unit almost surrounding the patient, e.g. more than 180°
    • 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]

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biophysics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • High Energy & Nuclear Physics (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Pulmonology (AREA)
  • Theoretical Computer Science (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Photoreceptors In Electrophotography (AREA)

Abstract

a. Appareil de balayage tomographique. b. Appareil caracterisé en ce qu'il comporte une répartition de détecteurs d'énergie rayonnante, juxtaposés, répartis autour d'un axe de rotation, pour transformer l'énergie rayonnante incidente non conforme en un signal de détection correspondant, ainsi qu'un moyen pour déplacer angulairement de façon relative la source et la répartition de détecteurs autour de l'axe, pour éclairer séquentiellement divers groupes de moyens de détection et fournir une séquence de signaux de détection correspondant à la réponse en énergie rayonnante de la région située entre le chemin parcouru par la source et la répartition. c. L'invention trouve son application dans le domaine des appareils de balayage tomographiques.
FR7702654A 1976-09-27 1977-01-31 Appareil de balayage tomographique Granted FR2365329A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US72655676A 1976-09-27 1976-09-27

Publications (2)

Publication Number Publication Date
FR2365329A1 true FR2365329A1 (fr) 1978-04-21
FR2365329B1 FR2365329B1 (fr) 1983-06-24

Family

ID=24919078

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7702654A Granted FR2365329A1 (fr) 1976-09-27 1977-01-31 Appareil de balayage tomographique

Country Status (30)

Country Link
JP (1) JPS5341989A (fr)
AR (1) AR215907A1 (fr)
AT (1) AT380165B (fr)
AU (1) AU508455B2 (fr)
BE (1) BE851918A (fr)
BR (1) BR7706396A (fr)
CA (1) CA1123974A (fr)
CH (1) CH616582A5 (fr)
DD (1) DD133399A5 (fr)
DE (1) DE2728815A1 (fr)
DK (1) DK82777A (fr)
ES (1) ES462511A1 (fr)
FI (1) FI61803C (fr)
FR (1) FR2365329A1 (fr)
GB (1) GB1539685A (fr)
GR (1) GR62632B (fr)
HK (1) HK43383A (fr)
HU (1) HU176639B (fr)
IE (1) IE45698B1 (fr)
IL (1) IL51336A (fr)
IT (1) IT1078364B (fr)
MX (1) MX143749A (fr)
MY (1) MY8300053A (fr)
NL (1) NL7709973A (fr)
NO (1) NO148209C (fr)
PT (1) PT67049B (fr)
SE (1) SE420158B (fr)
SU (1) SU650521A3 (fr)
YU (1) YU227277A (fr)
ZA (1) ZA775457B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3001103A1 (de) * 1980-01-14 1981-07-16 Siemens AG, 1000 Berlin und 8000 München Schichtgeraet zur herstellung von transversalschichtbildern
JPS61209641A (ja) * 1985-03-15 1986-09-17 株式会社東芝 X線ct装置
GB2204770B (en) * 1987-04-10 1991-11-27 British Aerospace Imaging system

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2284113A1 (fr) * 1974-09-06 1976-04-02 Philips Nv Dispositif pour la mesure de l'absorption de rayonnement dans un corps
FR2291679A1 (fr) * 1974-11-13 1976-06-11 Emi Ltd Perfectionnements concernant la radiographie
NL7602701A (en) * 1975-02-21 1976-09-22 Emi Ltd X-ray scanning system - with multiple detectors providing detailed absorption data for a body under examination
FR2304321A1 (fr) * 1975-03-20 1976-10-15 Emi Ltd Appareil de tomographie a multiples detecteurs
FR2342706A1 (fr) * 1976-02-25 1977-09-30 Emi Ltd Appareil de tomographie axiale par calculateur
FR2342707A1 (fr) * 1976-03-03 1977-09-30 Emi Ltd Appareil de tomographie axiale

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1283915A (en) * 1968-08-23 1972-08-02 Emi Ltd A method of and apparatus for examination of a body by radiation such as x or gamma radiation
DE2024037B2 (de) * 1970-05-16 1980-01-17 Koch & Sterzel Gmbh & Co, 4300 Essen Röntgenuntersuchungsgerät
JPS558167A (en) * 1978-07-04 1980-01-21 Pioneer Electronic Corp Voltage setting circuit

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2284113A1 (fr) * 1974-09-06 1976-04-02 Philips Nv Dispositif pour la mesure de l'absorption de rayonnement dans un corps
FR2291679A1 (fr) * 1974-11-13 1976-06-11 Emi Ltd Perfectionnements concernant la radiographie
NL7602701A (en) * 1975-02-21 1976-09-22 Emi Ltd X-ray scanning system - with multiple detectors providing detailed absorption data for a body under examination
FR2304321A1 (fr) * 1975-03-20 1976-10-15 Emi Ltd Appareil de tomographie a multiples detecteurs
FR2342706A1 (fr) * 1976-02-25 1977-09-30 Emi Ltd Appareil de tomographie axiale par calculateur
FR2342707A1 (fr) * 1976-03-03 1977-09-30 Emi Ltd Appareil de tomographie axiale

Also Published As

Publication number Publication date
ZA775457B (en) 1978-07-26
IE45698B1 (en) 1982-10-20
PT67049A (en) 1977-10-01
IE45698L (en) 1978-03-27
NO148209C (no) 1983-08-31
MY8300053A (en) 1983-12-31
HK43383A (en) 1983-10-28
NO773279L (no) 1978-03-29
HU176639B (en) 1981-04-28
AU508455B2 (en) 1980-03-20
PT67049B (en) 1979-02-16
IT1078364B (it) 1985-05-08
DK82777A (da) 1978-03-28
NL7709973A (nl) 1978-03-29
AT380165B (de) 1986-04-25
NO148209B (no) 1983-05-24
FI61803C (fi) 1982-10-11
FI772730A (fi) 1978-03-28
IL51336A0 (en) 1977-03-31
JPS5341989A (en) 1978-04-15
MX143749A (es) 1981-07-07
SU650521A3 (ru) 1979-02-28
YU227277A (en) 1982-02-28
GB1539685A (en) 1979-01-31
FR2365329B1 (fr) 1983-06-24
BE851918A (fr) 1977-06-16
DD133399A5 (de) 1979-01-03
CH616582A5 (en) 1980-04-15
AR215907A1 (es) 1979-11-15
ATA647277A (de) 1980-07-15
IL51336A (en) 1980-06-30
CA1123974A (fr) 1982-05-18
FI61803B (fi) 1982-06-30
GR62632B (en) 1979-05-14
ES462511A1 (es) 1978-07-16
SE420158B (sv) 1981-09-21
DE2728815A1 (de) 1978-03-30
BR7706396A (pt) 1978-07-04
AU2897977A (en) 1979-03-29
SE7703692L (sv) 1978-03-28

Similar Documents

Publication Publication Date Title
FR2425649A1 (fr) Dispositif pour definir par couches la repartition d'absorption spatiale d'un objet
FR2381283A1 (fr) Appareil de mesure de longueurs lineaires ou angulaires
FR2415342A1 (fr) Appareil de telecommande
FR2374878A1 (fr) Appareil pour detecter le decalage de la ligne de base d'un signal d'electrocardiogramme
FR2365329A1 (fr) Appareil de balayage tomographique
FR2329168A5 (fr) Appareil d'analyse, notamment pour la mesure des caracteristiques optiques d'un liquide
IT986287B (it) Procedimento e dispositivo per l elaborazione dei dati forniti da un colorimetro o simili apparecchi di analisi ottica
FR2451575A1 (fr) Procede et appareil pour detecter des rayons infrarouges et pour les convertir en rayons visibles
FR2275022A2 (fr) Dispositif pour le controle de la position, de l'intensite, de l'homogeneite et de la directivite d'un faisceau de rayonnement ionisant
FR2312024A1 (fr) Appareil d'analyse d'une distribution de rayonnement infrarouge
FR2428836A1 (fr) Spectrometre de rontgen
FR2351752A1 (fr) Procede de soudage en about par etincelage et appareil
JPS5310487A (en) Location of ultrasonic probe and device therefor
IT1011983B (it) Procedimento e dispositivo per la determinazione fotoelettrica della fosizione di almeno un piano di nitidezza di una immagine in un apparecchio ottico
FR2424519A1 (fr) Systeme de detection de position d'une aiguille indicatrice
FR1547886A (fr) Appareil d'analyse de spectre
JPS5225664A (en) Vertical position measuring apparatus
OA02589A (fr) Appareil de génération d'ondes sismiques.
SU138667A1 (ru) Устройство дл регистрации распределени электрического пол в пространстве
JPS5435764A (en) Distance measuring apparatus
JPS52155086A (en) Tomographic apparatus
FR1546215A (fr) Appareil pour la distribution simultanée de plusieurs disques de sensibilité
SU563596A1 (ru) Машина дл испытани образцов на усталость
JPS5425776A (en) Field intensity detector
JPS53146652A (en) Optical line structure measuring device

Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse