DE2861601D1 - Computed-tomography scanner for irradiation through a body - Google Patents

Computed-tomography scanner for irradiation through a body

Info

Publication number
DE2861601D1
DE2861601D1 DE7878100622T DE2861601T DE2861601D1 DE 2861601 D1 DE2861601 D1 DE 2861601D1 DE 7878100622 T DE7878100622 T DE 7878100622T DE 2861601 T DE2861601 T DE 2861601T DE 2861601 D1 DE2861601 D1 DE 2861601D1
Authority
DE
Germany
Prior art keywords
computed
irradiation
tomography scanner
tomography
scanner
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
Application number
DE7878100622T
Other languages
German (de)
English (en)
Inventor
Bernard M Gordon
Leopold Neumann
John Mc G Dobbs
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.)
Siemens AG
Siemens Corp
Original Assignee
Siemens AG
Siemens Corp
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 Siemens AG, Siemens Corp filed Critical Siemens AG
Application granted granted Critical
Publication of DE2861601D1 publication Critical patent/DE2861601D1/de
Expired 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
    • A61B6/02Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03Computed tomography [CT]
    • A61B6/032Transmission computed tomography [CT]
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T11/002D [Two Dimensional] image generation
    • G06T11/003Reconstruction from projections, e.g. tomography
    • G06T11/006Inverse problem, transformation from projection-space into object-space, e.g. transform methods, back-projection, algebraic methods
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2211/00Image generation
    • G06T2211/40Computed tomography
    • G06T2211/421Filtered back projection [FBP]
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S378/00X-ray or gamma ray systems or devices
    • Y10S378/901Computer tomography program or processor

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Theoretical Computer Science (AREA)
  • Medical Informatics (AREA)
  • General Physics & Mathematics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Mathematical Optimization (AREA)
  • Pulmonology (AREA)
  • Mathematical Analysis (AREA)
  • Biophysics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Algebra (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Mathematical Physics (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Image Processing (AREA)
  • Medical Treatment And Welfare Office Work (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
DE7878100622T 1977-08-15 1978-08-07 Computed-tomography scanner for irradiation through a body Expired DE2861601D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/824,632 US4135247A (en) 1977-08-15 1977-08-15 Tomography signal processing system

Publications (1)

Publication Number Publication Date
DE2861601D1 true DE2861601D1 (en) 1982-03-11

Family

ID=25241907

Family Applications (1)

Application Number Title Priority Date Filing Date
DE7878100622T Expired DE2861601D1 (en) 1977-08-15 1978-08-07 Computed-tomography scanner for irradiation through a body

Country Status (4)

Country Link
US (1) US4135247A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP (1) EP0004258B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS5442993A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2861601D1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (92)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4293912A (en) * 1977-09-30 1981-10-06 Technicare Corporation Tomographic apparatus
DE2754361C2 (de) * 1977-12-07 1983-07-14 N.V. Philips' Gloeilampenfabrieken, 5621 Eindhoven Verfahren zur Verminderung von Bildfehlern in Computer-Tomographiebildern
JPS5481095A (en) * 1977-12-12 1979-06-28 Toshiba Corp Computer tomography device
US4222104A (en) * 1978-11-02 1980-09-09 E M I Limited Radiography
NL7905282A (nl) * 1979-07-06 1981-01-08 Philips Nv Werkwijze en inrichting voor het bepalen van een stralingsabsorptieverdeling in een vlak van een lichaam.
US4280178A (en) * 1979-08-24 1981-07-21 General Electric Company Computerized tomographic reconstruction method utilizing reflection
US4412288A (en) * 1980-04-01 1983-10-25 Michael Herman Experiment-machine
US4493039A (en) * 1980-05-06 1985-01-08 President And Directors Of Georgetown University Apparatus and method for image reproduction of materials using their magnetic and electric properties
FR2486269B1 (fr) * 1980-07-04 1986-03-28 Thomson Csf Systeme de traitement et de memorisation de donnees numeriques, notamment pour tomodensitometre, et tomodensitometre comportant un tel systeme
US4428059A (en) 1980-07-30 1984-01-24 Honeywell Inc. Real time fill circuit
JPS5752967A (en) * 1980-09-17 1982-03-29 Nec Corp Device for immediately calculating and displaying dose distribution
IL64106A0 (en) * 1981-06-12 1982-01-31 Analogic Corp Continuous wave fan beam tomography system
US4386528A (en) * 1981-08-07 1983-06-07 General Electric Company Method and means for generating pixel data in an ultrasonic scanning system
JPS5894833A (ja) * 1981-12-01 1983-06-06 株式会社東芝 X線ct装置
US4504438A (en) * 1981-12-07 1985-03-12 Levy Richard H Method and apparatus for determining the density characteristics of underground earth formations
JPS58118735A (ja) * 1982-01-06 1983-07-14 株式会社東芝 コンピユ−タ断層撮影装置
JPS58177636A (ja) * 1982-04-13 1983-10-18 横河電機株式会社 Ct装置におけるデ−タ処理方式
US4504909A (en) * 1982-09-30 1985-03-12 General Electric Company Method of using an array processor for real time processing
US4554633A (en) * 1982-09-30 1985-11-19 General Electric Company Sampled data CT system including analog filter and compensating digital filter
JPS59111738A (ja) * 1982-12-16 1984-06-28 株式会社東芝 X線断層撮影装置
JPS6085357A (ja) * 1983-10-17 1985-05-14 Toshiba Corp 核磁気共鳴映像装置
US4620288A (en) * 1983-10-26 1986-10-28 American Semiconductor Equipment Technologies Data handling system for a pattern generator
DE3342353A1 (de) * 1983-11-23 1985-05-30 Siemens AG, 1000 Berlin und 8000 München Verfahren zum betrieb eines computertomographen
US4744029A (en) * 1984-08-31 1988-05-10 Bio-Logic Systems Corporation Brain electrical activity analysis and mapping
US4680709A (en) * 1984-11-13 1987-07-14 General Electric Company Back projection image reconstruction apparatus and method
JPS61209641A (ja) * 1985-03-15 1986-09-17 株式会社東芝 X線ct装置
US4751644A (en) * 1985-10-28 1988-06-14 Picker International, Inc. Interleaved source fan reconstruction technique
JPS62126478A (ja) * 1985-11-27 1987-06-08 Toshiba Corp イメ−ジプロセツサ
JPS62274471A (ja) * 1986-05-23 1987-11-28 Fanuc Ltd 画像処理装置
JPS63147440A (ja) * 1986-12-12 1988-06-20 横河メディカルシステム株式会社 X線断層撮影装置のデコンボリユ−シヨン処理方法
US5204943A (en) * 1986-12-22 1993-04-20 Yokogawa Medical Systems, Limited Image forming apparatus
DE3804938C2 (de) * 1987-02-18 1994-07-28 Canon Kk Bildverarbeitungseinrichtung
JP2691406B2 (ja) * 1988-01-14 1997-12-17 浜松ホトニクス株式会社 画像再構成装置
EP0368941A4 (en) * 1988-04-13 1992-07-08 Analogic Corporation Backprojection apparatus and method
US4897788A (en) * 1988-04-18 1990-01-30 General Electric Company Image correction for computed tomography to remove crosstalk artifacts
JPH0212472A (ja) * 1988-06-30 1990-01-17 Yokogawa Medical Syst Ltd 2倍拡大機能を持った画像再構成方法及び装置
JPH0798039B2 (ja) * 1988-07-20 1995-10-25 三菱電機株式会社 コンピュータ断層撮影装置
NL8802184A (nl) * 1988-09-05 1990-04-02 Philips Nv Werkwijze en inrichting voor correctie van strooistralingseffecten in roentgenbeelden.
US4991193A (en) * 1988-11-25 1991-02-05 Picker International, Inc. System safety monitor for CT scanners
US5274565A (en) * 1990-10-03 1993-12-28 Board Of Regents, The University Of Texas System Process for making custom joint replacements
JP2643596B2 (ja) * 1990-11-29 1997-08-20 株式会社日立製作所 スカラ量分布表示方法
JPH0629845A (ja) * 1991-06-28 1994-02-04 Univ Columbia New York 量子化雑音低減方法及び装置
FR2696089B1 (fr) * 1992-09-25 1994-11-25 Gen Electric Cgr Dispositif de manipulation d'un appareil de radiologie.
DE4334937A1 (de) * 1993-10-13 1995-10-05 Siemens Ag Computertomograph
US5485528A (en) * 1993-10-15 1996-01-16 Star Technologies, Inc. Apparatus and method for back-projecting an image
US5689577A (en) * 1994-10-14 1997-11-18 Picker International, Inc. Procedure for the simplification of triangular surface meshes for more efficient processing
US5721843A (en) * 1995-08-31 1998-02-24 Lucent Technologies Inc. Optimizing network utilization by using image reconstruction techniques
US6067342A (en) * 1997-10-30 2000-05-23 Analogic Corporation Digital filmless X-ray projection imaging system and method
US6868490B1 (en) * 2000-06-21 2005-03-15 Pts Corporation Methods and apparatus for providing context switching between software tasks with reconfigurable control
US6373919B1 (en) 1999-08-10 2002-04-16 Ge Yokogawa Medical Systems, Limited Projection data correction method and apparatus, and radiation tomographic imaging method and apparatus
JP3789728B2 (ja) * 1999-08-10 2006-06-28 ジーイー横河メディカルシステム株式会社 プロジェクションデータ補正方法および装置並びに放射線断層撮像装置
GB2365736A (en) * 2000-08-05 2002-02-20 X Tek Systems Ltd Computed tomography
US6597761B1 (en) 2001-02-23 2003-07-22 Invision Technologies, Inc. Log evaluation using cylindrical projections
US6778681B2 (en) * 2001-05-09 2004-08-17 Invision Technologies, Inc. Analysis and presentation of internal features of logs
US7127096B2 (en) * 2001-11-20 2006-10-24 Accuimage Diagnostics Corp. Method and software for improving coronary calcium scoring consistency
DE10223309A1 (de) * 2002-05-24 2003-12-04 Philips Intellectual Property Datenerfassungssystem
US7149331B1 (en) 2002-09-03 2006-12-12 Cedara Software Corp. Methods and software for improving thresholding of coronary calcium scoring
US6757354B2 (en) * 2002-09-20 2004-06-29 Invision Technologies, Inc. Multi-view x-ray imaging of logs
US7120282B2 (en) * 2003-01-29 2006-10-10 General Electric Company Method and apparatus for correcting digital X-ray images
GB0320167D0 (en) * 2003-08-28 2003-10-01 Univ Leeds An on-line data processing EIT system
CN100407995C (zh) * 2003-09-09 2008-08-06 伊利诺斯州立大学托管会 快速分层x线断层造影方法和装置
JP2005087592A (ja) * 2003-09-19 2005-04-07 Hitachi Ltd X線計測装置
JP3909059B2 (ja) * 2004-01-07 2007-04-25 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー 放射線断層撮像装置およびそれを用いた撮像方法
US20050201605A1 (en) * 2004-03-11 2005-09-15 Jianying Li Methods and apparatus for CT smoothing to reduce artifacts
US20060011853A1 (en) * 2004-07-06 2006-01-19 Konstantinos Spartiotis High energy, real time capable, direct radiation conversion X-ray imaging system for Cd-Te and Cd-Zn-Te based cameras
WO2006055813A2 (en) * 2004-11-16 2006-05-26 Medrad, Inc. Modeling of pharmaceutical propagation
HUE034171T2 (en) 2004-11-24 2018-02-28 Bayer Healthcare Llc Tools, systems and procedures for fluid transfer
EP1731100B9 (en) * 2005-06-06 2013-01-23 Kabushiki Kaisha Toshiba Medical image display apparatus and medical image display system
DE602007011309D1 (de) * 2006-10-18 2011-01-27 Philips Intellectual Property Bildgebungssystem, bildgebungsverfahren und computerprogramm zur abbildung eines interessensbereiches
EP2097835B1 (en) * 2006-12-29 2018-05-30 Bayer Healthcare LLC Patient-based parameter generation systems for medical injection procedures
WO2008082937A2 (en) * 2006-12-29 2008-07-10 Medrad, Inc. Modeling of pharmaceutical propagation
EP2149284B1 (en) * 2007-05-31 2014-08-13 General Electric Company Methods and systems to facilitate correcting gain fluctuations in image
CN103976736B (zh) 2007-07-17 2017-01-11 拜耳医药保健有限责任公司 确定心肺功能评估和输液过程的参数的设备和系统
US8608484B2 (en) * 2008-03-04 2013-12-17 Medrad, Inc. Dynamic anthropomorphic cardiovascular phantom
US8315449B2 (en) 2008-06-24 2012-11-20 Medrad, Inc. Identification of regions of interest and extraction of time value curves in imaging procedures
US9421330B2 (en) * 2008-11-03 2016-08-23 Bayer Healthcare Llc Mitigation of contrast-induced nephropathy
KR20130088760A (ko) 2010-06-24 2013-08-08 메드라드, 인크. 약물 전파 및 주입 프로토콜을 위한 파라미터 생성의 모델링
AU2012207195B2 (en) * 2011-01-21 2016-09-15 Mercury Systems, Inc. Optimized implementation of back projection for computed tomography (CT)
CA2873351C (en) 2012-05-14 2022-07-26 Bayer Medical Care Inc. Systems and methods for determination of pharmaceutical fluid injection protocols based on x-ray tube voltage
US9555379B2 (en) 2013-03-13 2017-01-31 Bayer Healthcare Llc Fluid path set with turbulent mixing chamber, backflow compensator
JP6162514B2 (ja) * 2013-07-12 2017-07-12 東芝メディカルシステムズ株式会社 磁気共鳴イメージング装置
US10898638B2 (en) 2016-03-03 2021-01-26 Bayer Healthcare Llc System and method for improved fluid delivery in multi-fluid injector systems
WO2018089882A1 (en) 2016-11-14 2018-05-17 Bayer Healthcare Llc Methods and systems for verifying the contents of a syringe used for medical fluid delivery
AU2018326386B2 (en) 2017-08-31 2024-03-28 Bayer Healthcare Llc Fluid injector system volume compensation system and method
US11779702B2 (en) 2017-08-31 2023-10-10 Bayer Healthcare Llc Method for dynamic pressure control in a fluid injector system
EP3675930B1 (en) 2017-08-31 2024-01-17 Bayer Healthcare LLC Method for drive member position and fluid injector system mechanical calibration
CA3068739A1 (en) 2017-08-31 2019-03-07 Bayer Healthcare Llc Fluid path impedance assessment for improving fluid delivery performance
AU2018326485B2 (en) 2017-08-31 2024-01-04 Bayer Healthcare Llc Injector pressure calibration system and method
JP6824133B2 (ja) * 2017-09-28 2021-02-03 富士フイルム株式会社 画像処理装置、画像処理方法、及び画像処理プログラム
AU2019256461B2 (en) 2018-04-19 2024-03-07 Bayer Healthcare Llc System and method for air detection in fluid injector
US12208239B2 (en) 2018-08-28 2025-01-28 Bayer Healthcare Llc Fluid injector system, method of preventing fluid backflow, and computer program product
JP7534123B2 (ja) 2020-05-12 2024-08-14 キヤノンメディカルシステムズ株式会社 X線検出器及びx線ct装置

Family Cites Families (6)

* 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
GB1471531A (en) * 1973-04-25 1977-04-27 Emi Ltd Radiography
US4038551A (en) * 1973-04-25 1977-07-26 E M I Limited Circuit for signal data obtained from an axial tomographic scanning apparatus
US4066903A (en) * 1974-07-20 1978-01-03 Emi Limited Radiology
DE2511231A1 (de) * 1975-03-14 1976-09-23 Philips Patentverwaltung Anordnung zur ermittlung der absorption einer strahlung in einer ebene eines koerpers
US4042811A (en) * 1975-11-28 1977-08-16 Picker Corporation Tomography system having an ultrahigh-speed processing unit

Also Published As

Publication number Publication date
US4135247A (en) 1979-01-16
JPS5442993A (en) 1979-04-05
EP0004258B1 (de) 1982-02-03
JPS6340538B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1988-08-11
EP0004258A1 (de) 1979-10-03

Similar Documents

Publication Publication Date Title
DE2861601D1 (en) Computed-tomography scanner for irradiation through a body
JPS5431411A (en) Aluminaacoated aluminummnitride sintered body
GB2010187A (en) Electro-resistive printing
CS550778A2 (en) Usporadani pohonu pracovniho stolu obrabeciho stroje s podavacim a snimacim zarizenim upinacich desek
JPS544914A (en) Highhdense lowwexpandable sintered body
JPS5398581A (en) Selfflocking chuck
JPS53110190A (en) Abraisive body
EG13053A (en) Anti-sore bed
DE3071799D1 (en) A hydrogen-evolution electrode
JPS53113380A (en) Chuck
JPS53134299A (en) Chuck
AU4218978A (en) Indexing means
JPS546656A (en) Hosused bed
GB1523831A (en) Feeding devices
CS297778A1 (en) Zpusob fluidizacni upravy nesnadno tekoucich volne lozenych hmot a zarizeni k provadeni zpusobu
JPS5538180A (en) Ultrasoniccwave scanner
GB2091720B (en) Sulphosuccinamates
JPS5422566A (en) Inductance elements
JPS53140159A (en) Shelffequipped bed
JPS5320180A (en) Step feed device
GB2005609B (en) Device for translating a trackedmachine
ZA784801B (en) Circuitry for suppressing a focal point
IE782391L (en) Preparing a 4-carbalkoxyimidazoles
JPS5391478A (en) Chuck
JPS5476360A (en) Bed

Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee