CA2041664A1 - Tomodensitometre a images enregistrees - Google Patents

Tomodensitometre a images enregistrees

Info

Publication number
CA2041664A1
CA2041664A1 CA 2041664 CA2041664A CA2041664A1 CA 2041664 A1 CA2041664 A1 CA 2041664A1 CA 2041664 CA2041664 CA 2041664 CA 2041664 A CA2041664 A CA 2041664A CA 2041664 A1 CA2041664 A1 CA 2041664A1
Authority
CA
Canada
Prior art keywords
transmission
images
imaging
emission
collimators
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.)
Abandoned
Application number
CA 2041664
Other languages
English (en)
Inventor
Charles H. Kaplan
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
Publication of CA2041664A1 publication Critical patent/CA2041664A1/fr
Abandoned legal-status Critical Current

Links

Classifications

    • 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
    • A61B6/032—Transmission computed tomography [CT]
    • 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
    • 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
    • A61B6/40—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for generating radiation specially adapted for radiation diagnosis
    • A61B6/4007—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for generating radiation specially adapted for radiation diagnosis characterised by using a plurality of source units
    • A61B6/4014—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for generating radiation specially adapted for radiation diagnosis characterised by using a plurality of source units arranged in multiple source-detector units
    • 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
    • A61B6/48—Diagnostic techniques
    • A61B6/482—Diagnostic techniques involving multiple energy imaging
    • 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
    • A61B6/52—Devices using data or image processing specially adapted for radiation diagnosis
    • A61B6/5211—Devices using data or image processing specially adapted for radiation diagnosis involving processing of medical diagnostic data
    • A61B6/5229—Devices using data or image processing specially adapted for radiation diagnosis involving processing of medical diagnostic data combining image data of a patient, e.g. combining a functional image with an anatomical image
    • A61B6/5235—Devices using data or image processing specially adapted for radiation diagnosis involving processing of medical diagnostic data combining image data of a patient, e.g. combining a functional image with an anatomical image combining images from the same or different ionising radiation imaging techniques, e.g. PET and CT
    • 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
    • G01T1/161—Applications in the field of nuclear medicine, e.g. in vivo counting
    • G01T1/164—Scintigraphy
    • G01T1/1641—Static instruments for imaging the distribution of radioactivity in one or two dimensions using one or several scintillating elements; Radio-isotope cameras
    • G01T1/1647—Processing of scintigraphic data
    • 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
    • G01T1/161—Applications in the field of nuclear medicine, e.g. in vivo counting
    • G01T1/164—Scintigraphy
    • G01T1/1641—Static instruments for imaging the distribution of radioactivity in one or two dimensions using one or several scintillating elements; Radio-isotope cameras
    • G01T1/1648—Ancillary equipment for scintillation cameras, e.g. reference markers, devices for removing motion artifacts, calibration devices
    • 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
    • A61B6/40—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for generating radiation specially adapted for radiation diagnosis
    • A61B6/4035—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for generating radiation specially adapted for radiation diagnosis the source being combined with a filter or grating
    • 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
    • A61B6/54—Control of apparatus or devices for radiation diagnosis
    • A61B6/548—Remote control of the apparatus or devices
CA 2041664 1989-06-30 1990-07-02 Tomodensitometre a images enregistrees Abandoned CA2041664A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US37531889A 1989-06-30 1989-06-30
US375,318 1989-06-30

Publications (1)

Publication Number Publication Date
CA2041664A1 true CA2041664A1 (fr) 1990-12-31

Family

ID=23480400

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2041664 Abandoned CA2041664A1 (fr) 1989-06-30 1990-07-02 Tomodensitometre a images enregistrees

Country Status (4)

Country Link
EP (1) EP0438555A4 (fr)
AU (1) AU5963890A (fr)
CA (1) CA2041664A1 (fr)
WO (1) WO1991000048A2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111870264A (zh) * 2020-07-21 2020-11-03 上海大骋医疗科技有限公司 适用于车载ct的摄像定位系统和方法
US11344269B2 (en) * 2018-09-27 2022-05-31 Siemens Healthcare Gmbh Method for monitoring a tissue removal by means of an x-ray imaging system

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JPH0462492A (ja) * 1990-06-29 1992-02-27 Toshiba Corp 核医学診断装置
US5155365A (en) * 1990-07-09 1992-10-13 Cann Christopher E Emission-transmission imaging system using single energy and dual energy transmission and radionuclide emission data
US5376795A (en) * 1990-07-09 1994-12-27 Regents Of The University Of California Emission-transmission imaging system using single energy and dual energy transmission and radionuclide emission data
US5338936A (en) * 1991-06-10 1994-08-16 Thomas E. Kocovsky, Jr. Simultaneous transmission and emission converging tomography
US5210421A (en) * 1991-06-10 1993-05-11 Picker International, Inc. Simultaneous transmission and emission converging tomography
US5481115A (en) * 1991-06-10 1996-01-02 University Of Utah, The Electronic calibration of single photon emission computed tomography cameras
US5965891A (en) * 1992-01-22 1999-10-12 Frederick M. Mako Dedicated apparatus and method for emission mammography
US5252830A (en) * 1992-01-22 1993-10-12 Irving Weinberg Dedicated apparatus and method for emission mammography
US5289008A (en) * 1992-06-10 1994-02-22 Duke University Method and apparatus for enhanced single photon computed tomography
US5296708A (en) * 1993-03-26 1994-03-22 Cti, Inc. Method and apparatus for transmission measurements to form a 3-D image in tomography applications
US5471061A (en) * 1994-03-21 1995-11-28 Cti Pet Systems, Inc. Method and apparatus for transmission measurements to form a 2-d or a 3-d image in tomography applications
EP0649117A3 (fr) * 1993-10-15 1996-01-31 George S Allen Procédé pour générer des images médicales.
US5391877A (en) * 1994-01-26 1995-02-21 Marks; Michael A. Combined imaging scanner
FR2736178B1 (fr) * 1995-06-30 1997-07-25 Commissariat Energie Atomique Procede d'acquisition d'images en transmission d'un corps soumis a un rayonnement
US6201247B1 (en) 1998-04-02 2001-03-13 Picker International, Inc. Line source for gamma camera
WO2000055866A1 (fr) * 1999-03-16 2000-09-21 Joubert Gideon Jacobus Johanne Source de rayons gamma pour la radiographie
EP1420269A1 (fr) * 1999-06-06 2004-05-19 Elgems Ltd. Gamma-caméra et système CT
US6878941B2 (en) 2002-04-09 2005-04-12 Elgems Ltd. Gamma camera and CT system
WO2000075691A1 (fr) * 1999-06-06 2000-12-14 Elgems Ltd. Camera gamma et systeme de tomographie assiste par ordinateur
WO2001052269A1 (fr) * 2000-01-14 2001-07-19 Dulmen Adrianus A Van Procede d'imagerie au moyen de spect
US6787777B1 (en) * 2000-11-09 2004-09-07 Koninklijke Philips Electronics, N.V. Nuclear imaging system and method using segmented field of view
US6670614B1 (en) 2001-06-01 2003-12-30 Leonard F. Plut Volume cone beam acquisition on a nuclear spect system using a digital flat panel
FR2841655B1 (fr) * 2002-06-26 2004-08-27 Sopha Medical Vision Internat Machine de medecine nucleaire notamment a correction d'absorption
SE522709C2 (sv) 2002-07-05 2004-03-02 Elekta Ab Strålterapiapparat med flera uppsättningar hål i kollimatorhjälmen där förskjutbara plattor bestämmer vilka håluppsättningar som strålkällorna ska använda, samt metod att variera strålfältet
SE522710C2 (sv) * 2002-07-05 2004-03-02 Elekta Ab Strålterapiapparat med flera uppsättningar hål i kollimatorringen där förskjutbara plattor bestämmer vilka håluppsättningar som strålkällorna ska använda, samt metod att variera strålfältet
US7397893B2 (en) * 2004-09-27 2008-07-08 Siemens Medical Solutions Usa, Inc. Method and apparatus for simultaneous emission and transmission spect using oblique line sources
ES2292327B1 (es) * 2005-12-26 2009-04-01 Consejo Superior Investigaciones Cientificas Mini camara gamma autonoma y con sistema de localizacion, para uso intraquirurgico.
US7593502B2 (en) 2006-10-13 2009-09-22 General Electric Company Methods and apparatus for fast rotation speed scanners
US8541748B2 (en) 2009-06-29 2013-09-24 General Electric Company System and method for performing nuclear mammography imaging
CN102743182B (zh) * 2012-01-12 2013-12-18 北京理工大学 一种提高扇形束spect成像分辨率的方法
NL2009981C2 (en) * 2012-12-13 2014-06-16 Umc Utrecht Holding Bv A device and method for radiographic and nuclear imaging of an object.
KR101426620B1 (ko) * 2012-12-26 2014-08-06 주식회사 삼화엔지니어링 아이스링크 빙상용 냉각관 지지대
CN106683142B (zh) * 2016-12-28 2020-03-13 上海联影医疗科技有限公司 一种动态螺距ct图像重建方法及装置
FR3062925B1 (fr) * 2017-02-14 2019-04-26 Commissariat A L'energie Atomique Et Aux Energies Alternatives Procede d'etalonnage d'un spectrometre gamma et dispositif permettant un tel etalonnage

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US4196352A (en) * 1978-04-28 1980-04-01 General Electric Company Multiple purpose high speed tomographic x-ray scanner
US4260894A (en) * 1978-11-30 1981-04-07 Siemens Aktiengesellschaft Optimum dose tomography scanning system
US4366575A (en) * 1979-09-13 1982-12-28 Pfizer Inc. Method and apparatus for controlling x-ray tube emissions
US4348591A (en) * 1979-11-26 1982-09-07 Wunderlich Alan M Utilizing gamma cameras for uptake studies and restricted fields of view and multiple aperture collimator systems therefor
JPS5892974A (ja) * 1981-11-30 1983-06-02 Shimadzu Corp 放射型コンピユ−タ断層撮影装置
JPS59180477A (ja) * 1983-03-31 1984-10-13 Shimadzu Corp シングルフォトンエミッションｃｔ装置
US4582995A (en) * 1984-06-18 1986-04-15 Technicare Corporation Spatial registration correction for rotational gamma cameras
US4679221A (en) * 1985-08-08 1987-07-07 Kabushiki Kaisha Toshiba CT X-ray collimator including a reinforced collimator blade assembly
US4788429A (en) * 1986-04-21 1988-11-29 The Medical College Of Wisconsin, Inc. Device and method for measuring bone mineral mass
IL79733A (en) * 1986-08-15 1990-04-29 Elscint Ltd Bone mineral density mapping
SU1405819A1 (ru) * 1987-01-20 1988-06-30 Ташкентский Филиал Всесоюзного Научного Центра Хирургии Амн Ссср Трансмиссионно-эмиссионный вычислительный томограф

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11344269B2 (en) * 2018-09-27 2022-05-31 Siemens Healthcare Gmbh Method for monitoring a tissue removal by means of an x-ray imaging system
CN111870264A (zh) * 2020-07-21 2020-11-03 上海大骋医疗科技有限公司 适用于车载ct的摄像定位系统和方法
CN111870264B (zh) * 2020-07-21 2024-03-22 上海大骋医疗科技有限公司 适用于车载ct的摄像定位系统和方法

Also Published As

Publication number Publication date
AU5963890A (en) 1991-01-17
EP0438555A1 (fr) 1991-07-31
WO1991000048A2 (fr) 1991-01-10
WO1991000048A3 (fr) 1991-02-21
EP0438555A4 (en) 1993-01-27

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