ES2105848T3 - Dispositivo para la formacion de imagenes medicas con radiaciones ionizantes x o gamma de dosis debil. - Google Patents

Dispositivo para la formacion de imagenes medicas con radiaciones ionizantes x o gamma de dosis debil.

Info

Publication number
ES2105848T3
ES2105848T3 ES95400857T ES95400857T ES2105848T3 ES 2105848 T3 ES2105848 T3 ES 2105848T3 ES 95400857 T ES95400857 T ES 95400857T ES 95400857 T ES95400857 T ES 95400857T ES 2105848 T3 ES2105848 T3 ES 2105848T3
Authority
ES
Spain
Prior art keywords
gamma
electrons
ionizing radiation
formation
medical images
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 - Lifetime
Application number
ES95400857T
Other languages
English (en)
Inventor
Georges Charpak
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of ES2105848T3 publication Critical patent/ES2105848T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G01T1/16—Measuring radiation intensity
    • G01T1/185—Measuring radiation intensity with ionisation chamber arrangements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J47/00—Tubes for determining the presence, intensity, density or energy of radiation or particles
    • H01J47/008—Drift detectors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J47/00—Tubes for determining the presence, intensity, density or energy of radiation or particles
    • H01J47/06—Proportional counter tubes
    • H01J47/062—Multiwire proportional counter tubes

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Molecular Biology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Measurement Of Radiation (AREA)
  • Radiation-Therapy Devices (AREA)
  • X-Ray Techniques (AREA)

Abstract

LA INVENCION SE REFIERE A UN DISPOSITIVO DE FORMACION DE IMAGENES MEDICA POR RADIACION IONIZANTE. COMPRENDE UNA FUENTE DE RADIACION (S) SEGUN UN HAZ DIVERGENTE DIAFRAGMADO POR UNA RANURA Y UN MODULO (1) DE DETECCION DE UNA HAZ TRANSMITIDO POR UN CUERPO A OBSERVAR (CO) ILUMINADO POR EL HAZ. EL MODULO (1) DE DETECCION COMPRENDE UNA CAMARA DE DERIVA Y UNA CAMARA DE HILOS LLENAS DE UN GAS, COMPRENDIENDO ESTAS CAMARAS EN UNA DIRECCION ORTOGONAL AL PLANO QUE CONTIENE LA RANURA (F) Y EL HAZ DE ILUMINACION,, UN ESPACIO DE DERIVA (12) DE ELECTRONES, UNA REJILLA DE MULTIPLICACION PROPORCIONAL (13) DE LOS ELECTRONES PARA GENERAR ELECTRONES MULTIPLICADOS E IONES CORRESPONDIENTES Y UN SEGUNDO ELECTRODO DE CATODO QUE PERMITE EFECTUAR EL RECUENTO DE LOS ELECTRONES MULTIPLICADOS MEDIANTE LOS IONES CORRESPONDIENTES PARA UNA PLURALIDAD DE DIRECCIONES DEL HAZ DE ILUINACION EN CAPA. APLICACION EN LA FORMACION DE IMAGEN MEDICA EN RADIACION X O GAMMA.
ES95400857T 1994-04-19 1995-04-14 Dispositivo para la formacion de imagenes medicas con radiaciones ionizantes x o gamma de dosis debil. Expired - Lifetime ES2105848T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9404642A FR2718633B1 (fr) 1994-04-19 1994-04-19 Dispositif d'imagerie médicale en rayonnement ionisant X ou gamma à faible dose.

Publications (1)

Publication Number Publication Date
ES2105848T3 true ES2105848T3 (es) 1997-10-16

Family

ID=9462241

Family Applications (1)

Application Number Title Priority Date Filing Date
ES95400857T Expired - Lifetime ES2105848T3 (es) 1994-04-19 1995-04-14 Dispositivo para la formacion de imagenes medicas con radiaciones ionizantes x o gamma de dosis debil.

Country Status (5)

Country Link
US (1) US5521956A (es)
EP (1) EP0678896B1 (es)
DE (1) DE69500569T2 (es)
ES (1) ES2105848T3 (es)
FR (1) FR2718633B1 (es)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2731279B1 (fr) * 1995-03-03 1997-05-09 Charpak Georges Perfectionnements aux dispositifs d'imagerie medicale en rayonnement ionisant x ou gamma a faible dose
FR2749402B1 (fr) * 1996-05-29 1998-08-07 Charpak Georges Dispositif d'imagerie radiographique a haute resolution
SE513161C2 (sv) * 1997-11-03 2000-07-17 Digiray Ab En metod och en anordning för radiografi med plant strålknippe och en strålningsdetektor
US6198798B1 (en) 1998-09-09 2001-03-06 European Organization For Nuclear Research Planispherical parallax-free X-ray imager based on the gas electron multiplier
US6429578B1 (en) 1999-01-26 2002-08-06 Mats Danielsson Diagnostic and therapeutic detector system for imaging with low and high energy X-ray and electrons
FR2790100B1 (fr) * 1999-02-24 2001-04-13 Commissariat Energie Atomique Detecteur bidimensionnel de rayonnements ionisants et procede de fabrication de ce detecteur
SE514475C2 (sv) * 1999-04-14 2001-02-26 Xcounter Ab Strålningsdetektor, en anordning för användning vid radiografi med plant strålknippe och ett förfarande för detektering av joniserande strålning
SE514443C2 (sv) * 1999-04-14 2001-02-26 Xcounter Ab Strålningsdetektor och en anordning för användning vid radiografi med plant strålknippe
SE514472C2 (sv) * 1999-04-14 2001-02-26 Xcounter Ab Strålningsdetektor och en anordning för användning vid radiografi
SE515884C2 (sv) * 1999-12-29 2001-10-22 Xcounter Ab Förfarande och anordning för radiografi samt strålningsdetektor
SE0000957D0 (sv) * 2000-02-08 2000-03-21 Digiray Ab Detector and method for detection of ionizing radiation
SE0000793L (sv) * 2000-03-07 2001-09-08 Xcounter Ab Tomografianordning och -förfarande
SE516333C2 (sv) 2000-03-22 2001-12-17 Xcounter Ab Metod och anordning för radiografi och en strålningsdetektor
SE522484C2 (sv) * 2000-09-28 2004-02-10 Xcounter Ab Kollimation av strålning från linjelika källor för joniserande strålning och därtill relaterad detektering av plana strålknippen
SE528236C2 (sv) * 2004-10-05 2006-10-03 Xcounter Ab Detektor för joniserande strålning som registrerar elektroner och ljus alstrat av strålningen
US7639783B1 (en) 2008-06-02 2009-12-29 Bruker Axs, Inc. Parallax free and spark protected X-ray detector
MX2010013639A (es) 2008-06-11 2011-02-22 Schlumberger Technology Bv Sistema para la deteccion de defectos de los pozos.
EP2483710A4 (en) * 2009-10-01 2016-04-27 Univ Loma Linda Med Detector for ionization by ion-induced impact and uses thereof
FR2951580B1 (fr) * 2009-10-15 2014-04-25 Biospace Med Dispositif d'imagerie radiographique et detecteur pour un dispositif d'imagerie radiographique
CN102985844B (zh) 2010-05-06 2016-09-07 Eos成像公司 造影成像设备及用于造影成像设备的探测器
US9245658B2 (en) 2010-05-06 2016-01-26 Eos Imaging Imaging apparatus and method
CA2829094A1 (en) 2011-03-07 2012-11-29 Loma Linda University Medical Center Systems, devices and methods related to calibration of a proton computed tomography scanner
US8644571B1 (en) 2011-12-06 2014-02-04 Loma Linda University Medical Center Intensity-modulated proton therapy
CN107703712B (zh) * 2017-11-13 2023-11-14 中国工程物理研究院激光聚变研究中心 一种硬x射线条纹相机及其探测硬x射线能段的方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4317038A (en) * 1980-03-24 1982-02-23 Agence Nationale De Valorisation De La Recherche Device for determining the spatial distribution of radiation
FR2538906B1 (fr) * 1983-01-04 1985-09-13 Commissariat Energie Atomique Procede d'examen de l'image radiographique d'un objet irradie a l'aide d'une source de rayonnements ionisants et chambre d'ionisation pour la mise en oeuvre du procede
FR2630829A1 (fr) * 1988-04-27 1989-11-03 Centre Nat Rech Scient Detecteur gazeux pour rayons-x sans parallaxe
US4973846A (en) * 1989-03-10 1990-11-27 Expert Image Systems, Inc. Linear radiation detector
DE4123871A1 (de) * 1990-07-21 1992-01-23 Fraunhofer Ges Forschung Anordnung zur erzeugung von radiographien oder tomographischer schnittbilder
FR2668612B1 (fr) * 1990-10-29 1995-10-27 Charpak Georges Dispositif d'imagerie de radiations ionisantes.
FR2680010B1 (fr) * 1991-07-29 1993-11-26 Georges Charpak Detecteur a gaz de rayonnement ionisant.

Also Published As

Publication number Publication date
EP0678896A1 (fr) 1995-10-25
DE69500569T2 (de) 1998-02-26
EP0678896B1 (fr) 1997-08-20
FR2718633B1 (fr) 1996-07-12
DE69500569D1 (de) 1997-09-25
FR2718633A1 (fr) 1995-10-20
US5521956A (en) 1996-05-28

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