FR2452274A1 - Appareil d'exploration pour tomographie calculee a emission de positons - Google Patents

Appareil d'exploration pour tomographie calculee a emission de positons

Info

Publication number
FR2452274A1
FR2452274A1 FR8007086A FR8007086A FR2452274A1 FR 2452274 A1 FR2452274 A1 FR 2452274A1 FR 8007086 A FR8007086 A FR 8007086A FR 8007086 A FR8007086 A FR 8007086A FR 2452274 A1 FR2452274 A1 FR 2452274A1
Authority
FR
France
Prior art keywords
detectors
calculated
row
emission tomography
exploration apparatus
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
FR8007086A
Other languages
English (en)
Other versions
FR2452274B1 (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.)
National Institute of Radiological Sciences
Original Assignee
National Institute of Radiological Sciences
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 National Institute of Radiological Sciences filed Critical National Institute of Radiological Sciences
Publication of FR2452274A1 publication Critical patent/FR2452274A1/fr
Application granted granted Critical
Publication of FR2452274B1 publication Critical patent/FR2452274B1/fr
Expired legal-status Critical Current

Links

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
    • G01T1/2985—In depth localisation, e.g. using positron emitters; Tomographic imaging (longitudinal and transverse section imaging; apparatus for radiation diagnosis sequentially in different planes, steroscopic radiation diagnosis)
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/02—Devices for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03—Computerised tomographs
    • A61B6/037—Emission tomography

Abstract

L'INVENTION S'APPLIQUE A UN APPAREIL POUR EFFECTUER UNE TOMOGRAPHIE CALCULEE A EMISSION DE POSITONS, FONCTIONNANT PAR DETECTION DE RAYONS GAMMA AU MOYEN DE DETECTEURS 121 COMPRENANT UN SCINTILLATEUR 122 ET UN PHOTOMULTIPLICATEUR 123 DE FACON A FOURNIR DES SIGNAUX DE SORTIE TRAITES PAR UN CALCULATEUR QUI RECONSTITUE UNE IMAGE DE LA COUPE TOMOGRAPHIQUE. LES DETECTEURS SONT DISPOSES EN RANGEES QUI SONT PORTEES PAR UN CHASSIS 111 TOURNANT AUTOUR DU SUJET A EXAMINER 132 ET QUI COMPRENNENT AU MOINS UN DETECTEUR EN UNE POSITION IRREGULIERE PAR RAPPORT AUX AUTRES DETECTEURS DE LA RANGEE POUR L'OBTENTION D'UNE BONNE DENSITE D'EXPLORATION, CHAQUE RANGEE OCCUPANT LA PLACE D'UNE RANGEE ADJACENTE PAR ROTATION D'UNE FRACTION DE TOUR DE L'ENSEMBLE DES RANGEES TOURNANTES.
FR8007086A 1979-03-30 1980-03-28 Appareil d'exploration pour tomographie calculee a emission de positons Expired FR2452274B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3686079A JPS55129781A (en) 1979-03-30 1979-03-30 Proton cross tomography unit

Publications (2)

Publication Number Publication Date
FR2452274A1 true FR2452274A1 (fr) 1980-10-24
FR2452274B1 FR2452274B1 (fr) 1985-09-27

Family

ID=12481533

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8007086A Expired FR2452274B1 (fr) 1979-03-30 1980-03-28 Appareil d'exploration pour tomographie calculee a emission de positons

Country Status (6)

Country Link
US (1) US4352018A (fr)
JP (1) JPS55129781A (fr)
CA (1) CA1139896A (fr)
DE (1) DE3012230A1 (fr)
FR (1) FR2452274B1 (fr)
GB (1) GB2047045B (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4511801A (en) * 1982-07-19 1985-04-16 Bethlehem Steel Corporation Radiation scanning and measuring device
JPS5946571A (ja) * 1982-09-09 1984-03-15 Agency Of Ind Science & Technol ポジトロンｃｔ装置
DE3424525A1 (de) * 1984-07-04 1986-01-16 Kernforschungsanlage Jülich GmbH, 5170 Jülich Verfahren zur herstellung von (pfeil hoch)1(pfeil hoch)(pfeil hoch)8(pfeil hoch)f-alkyl- und arylverbindungen durch halogenaustausch
JPH065290B2 (ja) * 1986-09-18 1994-01-19 浜松ホトニクス株式会社 ポジトロンｃｔ装置
GB2231474B (en) * 1989-04-21 1992-12-09 Hamamatsu Photonics Kk Method and apparatus for performing address transformation of projection data for use in positron computed tomography system
US4980552A (en) * 1989-06-20 1990-12-25 The Regents Of The University Of California High resolution PET scanner using rotating ring array of enlarged detectors having successively offset collimation apertures
US5998792A (en) * 1998-02-02 1999-12-07 Picker International, Inc. Positron emission tomography with variable detector geometry
JP4536212B2 (ja) * 2000-05-24 2010-09-01 浜松ホトニクス株式会社 Ｐｅｔ装置
US6858849B2 (en) * 2000-05-24 2005-02-22 Hamamatsu Photonics K.K. PET apparatus
US7569828B2 (en) * 2006-09-21 2009-08-04 Siemens Medical Solutions Usa, Inc. Application-driven optimization of acquisition and reconstruction of SPECT/PET projection data
US20090218489A1 (en) * 2008-02-28 2009-09-03 Douglas William Akers Systems and methods for material treatment and characterization employing positron annihilation
US8294109B2 (en) * 2008-09-18 2012-10-23 Siemens Medical Solutions Usa, Inc. Extracting location information using difference images from a non-parallel hole collimator
CN103471999B (zh) * 2013-08-30 2015-11-04 深圳先进技术研究院 一种计算机断层扫描系统
CA3073559A1 (fr) 2017-09-06 2019-03-14 Stephen S. ADLER Etalonneur de micro-dose

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2159064A5 (fr) * 1971-10-29 1973-06-15 Univ Sherbrooke
US4150292A (en) * 1977-02-18 1979-04-17 Ter Pogossian Michel M Imaging device for computerized emission tomography
GB2005953A (en) * 1977-09-30 1979-04-25 Siemens Ag Apparatus for use in tomography
GB2005955A (en) * 1977-10-11 1979-04-25 Philips Nv Device for determining local absorption values in a body section and an array of detectors for such a device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3970853A (en) * 1975-06-10 1976-07-20 The United States Of America As Represented By The United States Energy Research And Development Administration Transverse section radionuclide scanning system
US4213054A (en) * 1977-12-30 1980-07-15 Union Carbide Corporation Transverse section brain imager scanning mechanism
US4259578A (en) * 1979-08-27 1981-03-31 Thompson Christopher J Movable collimator for positron annihilation imaging device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2159064A5 (fr) * 1971-10-29 1973-06-15 Univ Sherbrooke
US4150292A (en) * 1977-02-18 1979-04-17 Ter Pogossian Michel M Imaging device for computerized emission tomography
GB2005953A (en) * 1977-09-30 1979-04-25 Siemens Ag Apparatus for use in tomography
GB2005955A (en) * 1977-10-11 1979-04-25 Philips Nv Device for determining local absorption values in a body section and an array of detectors for such a device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
EXBK/79 *

Also Published As

Publication number Publication date
GB2047045A (en) 1980-11-19
JPS55129781A (en) 1980-10-07
CA1139896A (fr) 1983-01-18
US4352018A (en) 1982-09-28
FR2452274B1 (fr) 1985-09-27
JPS6223267B2 (fr) 1987-05-22
DE3012230A1 (de) 1980-10-23
GB2047045B (en) 1983-11-16

Similar Documents

Publication Publication Date Title
FR2452274A1 (fr) Appareil d'exploration pour tomographie calculee a emission de positons
Robb Three-dimensional biomedical imaging
US6650928B1 (en) Color parametric and composite maps for CT perfusion
Vogel et al. A new method of multiplanar emission tomography using a seven pinhole collimator and an Anger scintillation camera
US7026623B2 (en) Efficient single photon emission imaging
US7209536B2 (en) CT colonography system
US6180943B1 (en) Tomograph acquisition apparatus having a pair of rotatable scintillation detectors which form detection fields at an angle of inclination relative to each other
US7583779B2 (en) System and method for acquisition and reconstruction of contrast-enhanced, artifact-reduced CT images
US7599465B2 (en) Detection of thrombi in CT using energy discrimination
DE69730053T2 (de) Verfahren zur abbildung eines körpers mittels abtastung durch eine laser-bilderzeugungs-vorrichtung
US4647779A (en) Multiple layer positron emission tomography camera
EP2091437B1 (fr) Système d'imagerie de scanographie
US20050163283A1 (en) Method for recording and evaluating image data with the aid of a tomography machine
FR2371694A1 (fr) Dispositif de formation d'image a partir d'annihilations de positons
EP2078216B1 (fr) Systeme d'imagerie pour imager un objet
JPH08503153A (ja) 小型ｃ型アーム式骨の断層撮影走査装置
CN1957848A (zh) X射线计算机断层拍摄装置以及x射线计算机断层图数据解析方法
US20040092814A1 (en) Methods and apparatus for detecting structural, perfusion, and functional abnormalities
FR2442042A1 (fr) Procede et appareil d'examen tomographique par exploration de milieux aux rayons x ou gamma
JP2009508616A (ja) Ｃｔ画像形成システム
Cohen et al. Arbutamine echocardiography: efficacy and safety of a new pharmacologic stress agent to induce myocardial ischemia and detect coronary artery disease
Hounsfield The EMI scanner
US20070085012A1 (en) Apparatus and method for the spatial resolution of a pet scanner used for molecular imaging
Rouze et al. IndyPET-a high resolution, high sensitivity dedicated research scanner
Evans et al. The Aberdeen Mark II single-photon-emission tomographic scanner: specification and some clinical applications

Legal Events

Date Code Title Description
ST Notification of lapse