DE2654106C2 - - Google Patents

Info

Publication number
DE2654106C2
DE2654106C2 DE2654106A DE2654106A DE2654106C2 DE 2654106 C2 DE2654106 C2 DE 2654106C2 DE 2654106 A DE2654106 A DE 2654106A DE 2654106 A DE2654106 A DE 2654106A DE 2654106 C2 DE2654106 C2 DE 2654106C2
Authority
DE
Germany
Prior art keywords
time
pulse
pulses
output
time interval
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
DE2654106A
Other languages
German (de)
English (en)
Other versions
DE2654106A1 (de
Inventor
Carl Joseph Mayfield Heights Ohio Us Brunnett
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.)
Philips Nuclear Medicine Inc
Original Assignee
Picker 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 Picker Corp filed Critical Picker Corp
Publication of DE2654106A1 publication Critical patent/DE2654106A1/de
Application granted granted Critical
Publication of DE2654106C2 publication Critical patent/DE2654106C2/de
Granted legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03—Computed tomography [CT]
    • A61B6/032—Transmission computed tomography [CT]
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T12/00—Tomographic reconstruction from projections
    • G06T12/10—Image preprocessing, e.g. calibration, positioning of sources or scatter correction
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2211/00—Image generation
    • G06T2211/40—Computed tomography
    • G06T2211/412—Dynamic
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S378/00—X-ray or gamma ray systems or devices
    • Y10S378/901—Computer tomography program or processor

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Medical Informatics (AREA)
  • Pathology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Pulmonology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (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)
  • Measurement Of Radiation (AREA)
DE19762654106 1975-11-28 1976-11-29 Verfahren und vorrichtung zur strahlungserfassung bei abtastsystemen mit strahlung Granted DE2654106A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/636,212 US4052620A (en) 1975-11-28 1975-11-28 Method and apparatus for improved radiation detection in radiation scanning systems

Publications (2)

Publication Number Publication Date
DE2654106A1 DE2654106A1 (de) 1977-10-27
DE2654106C2 true DE2654106C2 (enExample) 1987-06-11

Family

ID=24550937

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19762654106 Granted DE2654106A1 (de) 1975-11-28 1976-11-29 Verfahren und vorrichtung zur strahlungserfassung bei abtastsystemen mit strahlung

Country Status (4)

Country Link
US (1) US4052620A (enExample)
DE (1) DE2654106A1 (enExample)
FR (1) FR2336023A1 (enExample)
GB (1) GB1564324A (enExample)

Families Citing this family (92)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5394787A (en) * 1977-01-31 1978-08-19 Toshiba Corp Tomographic diagnostic equipment by radiation
US4404684A (en) * 1980-07-31 1983-09-13 Unitika Ltd. Object solid figure recognizing method and apparatus
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
EP0109204A3 (en) * 1982-11-15 1985-08-28 Picker International, Inc. Method and apparatus for a modular detector mount in a computed tomography scanner
JPS59111738A (ja) * 1982-12-16 1984-06-28 株式会社東芝 Ｘ線断層撮影装置
JPS61209641A (ja) * 1985-03-15 1986-09-17 株式会社東芝 Ｘ線ｃｔ装置
US4672648A (en) * 1985-10-25 1987-06-09 Picker International, Inc. Apparatus and method for radiation attenuation
US4800508A (en) * 1986-06-30 1989-01-24 Eaton Corporation Frequency detector
FR2652928B1 (fr) 1989-10-05 1994-07-29 Diadix Sa Systeme interactif d'intervention locale a l'interieur d'une zone d'une structure non homogene.
JP3432825B2 (ja) 1992-08-14 2003-08-04 ブリテイッシュ・テレコミュニケーションズ・パブリック・リミテッド・カンパニー 位置決定システム
US5592939A (en) 1995-06-14 1997-01-14 Martinelli; Michael A. Method and system for navigating a catheter probe
US5798523A (en) * 1996-07-19 1998-08-25 Theratechnologies Inc. Irradiating apparatus using a scanning light source for photodynamic treatment
US6226548B1 (en) 1997-09-24 2001-05-01 Surgical Navigation Technologies, Inc. Percutaneous registration apparatus and method for use in computer-assisted surgical navigation
US6021343A (en) 1997-11-20 2000-02-01 Surgical Navigation Technologies Image guided awl/tap/screwdriver
US6348058B1 (en) 1997-12-12 2002-02-19 Surgical Navigation Technologies, Inc. Image guided spinal surgery guide, system, and method for use thereof
US6477400B1 (en) 1998-08-20 2002-11-05 Sofamor Danek Holdings, Inc. Fluoroscopic image guided orthopaedic surgery system with intraoperative registration
US6470207B1 (en) 1999-03-23 2002-10-22 Surgical Navigation Technologies, Inc. Navigational guidance via computer-assisted fluoroscopic imaging
US6491699B1 (en) 1999-04-20 2002-12-10 Surgical Navigation Technologies, Inc. Instrument guidance method and system for image guided surgery
EP1101194B1 (en) * 1999-06-04 2008-04-02 Koninklijke Philips Electronics N.V. Image processing method and system, and medical examination apparatus, for extracting a path following a threadlike structure in an image
US6493573B1 (en) 1999-10-28 2002-12-10 Winchester Development Associates Method and system for navigating a catheter probe in the presence of field-influencing objects
US6499488B1 (en) 1999-10-28 2002-12-31 Winchester Development Associates Surgical sensor
US6379302B1 (en) 1999-10-28 2002-04-30 Surgical Navigation Technologies Inc. Navigation information overlay onto ultrasound imagery
US8644907B2 (en) 1999-10-28 2014-02-04 Medtronic Navigaton, Inc. Method and apparatus for surgical navigation
US7366562B2 (en) 2003-10-17 2008-04-29 Medtronic Navigation, Inc. Method and apparatus for surgical navigation
US6474341B1 (en) 1999-10-28 2002-11-05 Surgical Navigation Technologies, Inc. Surgical communication and power system
US11331150B2 (en) 1999-10-28 2022-05-17 Medtronic Navigation, Inc. Method and apparatus for surgical navigation
US8239001B2 (en) 2003-10-17 2012-08-07 Medtronic Navigation, Inc. Method and apparatus for surgical navigation
US6381485B1 (en) 1999-10-28 2002-04-30 Surgical Navigation Technologies, Inc. Registration of human anatomy integrated for electromagnetic localization
WO2001064124A1 (en) 2000-03-01 2001-09-07 Surgical Navigation Technologies, Inc. Multiple cannula image guided tool for image guided procedures
US6535756B1 (en) 2000-04-07 2003-03-18 Surgical Navigation Technologies, Inc. Trajectory storage apparatus and method for surgical navigation system
US7085400B1 (en) 2000-06-14 2006-08-01 Surgical Navigation Technologies, Inc. System and method for image based sensor calibration
US6636757B1 (en) 2001-06-04 2003-10-21 Surgical Navigation Technologies, Inc. Method and apparatus for electromagnetic navigation of a surgical probe near a metal object
FR2832220B1 (fr) * 2001-11-14 2004-08-27 Univ Paris Curie Procede et dispositif d'imagerie radiologique
US6947786B2 (en) 2002-02-28 2005-09-20 Surgical Navigation Technologies, Inc. Method and apparatus for perspective inversion
US6990368B2 (en) 2002-04-04 2006-01-24 Surgical Navigation Technologies, Inc. Method and apparatus for virtual digital subtraction angiography
US7998062B2 (en) 2004-03-29 2011-08-16 Superdimension, Ltd. Endoscope structures and techniques for navigating to a target in branched structure
US6892090B2 (en) 2002-08-19 2005-05-10 Surgical Navigation Technologies, Inc. Method and apparatus for virtual endoscopy
US7599730B2 (en) 2002-11-19 2009-10-06 Medtronic Navigation, Inc. Navigation system for cardiac therapies
US7697972B2 (en) 2002-11-19 2010-04-13 Medtronic Navigation, Inc. Navigation system for cardiac therapies
US7542791B2 (en) 2003-01-30 2009-06-02 Medtronic Navigation, Inc. Method and apparatus for preplanning a surgical procedure
US7660623B2 (en) 2003-01-30 2010-02-09 Medtronic Navigation, Inc. Six degree of freedom alignment display for medical procedures
US7570791B2 (en) 2003-04-25 2009-08-04 Medtronic Navigation, Inc. Method and apparatus for performing 2D to 3D registration
ATE526880T1 (de) * 2003-05-14 2011-10-15 Koninkl Philips Electronics Nv Verfahren und apparat zur verbesserten strahlendetektion
US7313430B2 (en) 2003-08-28 2007-12-25 Medtronic Navigation, Inc. Method and apparatus for performing stereotactic surgery
EP2316328B1 (en) 2003-09-15 2012-05-09 Super Dimension Ltd. Wrap-around holding device for use with bronchoscopes
ATE438335T1 (de) 2003-09-15 2009-08-15 Super Dimension Ltd System aus zubehör zur verwendung mit bronchoskopen
US7835778B2 (en) 2003-10-16 2010-11-16 Medtronic Navigation, Inc. Method and apparatus for surgical navigation of a multiple piece construct for implantation
US7840253B2 (en) 2003-10-17 2010-11-23 Medtronic Navigation, Inc. Method and apparatus for surgical navigation
US8764725B2 (en) 2004-02-09 2014-07-01 Covidien Lp Directional anchoring mechanism, method and applications thereof
US6956925B1 (en) * 2004-03-29 2005-10-18 Ge Medical Systems Global Technology Company, Llc Methods and systems for multi-modality imaging
US7567834B2 (en) 2004-05-03 2009-07-28 Medtronic Navigation, Inc. Method and apparatus for implantation between two vertebral bodies
US7636595B2 (en) 2004-10-28 2009-12-22 Medtronic Navigation, Inc. Method and apparatus for calibrating non-linear instruments
US7835784B2 (en) 2005-09-21 2010-11-16 Medtronic Navigation, Inc. Method and apparatus for positioning a reference frame
US9168102B2 (en) 2006-01-18 2015-10-27 Medtronic Navigation, Inc. Method and apparatus for providing a container to a sterile environment
US8112292B2 (en) 2006-04-21 2012-02-07 Medtronic Navigation, Inc. Method and apparatus for optimizing a therapy
TWI328331B (en) * 2006-07-21 2010-08-01 Asustek Comp Inc Level shifter
US8660635B2 (en) 2006-09-29 2014-02-25 Medtronic, Inc. Method and apparatus for optimizing a computer assisted surgical procedure
US8905920B2 (en) 2007-09-27 2014-12-09 Covidien Lp Bronchoscope adapter and method
WO2009122273A2 (en) 2008-04-03 2009-10-08 Superdimension, Ltd. Magnetic interference detection system and method
EP2297673B1 (en) 2008-06-03 2020-04-22 Covidien LP Feature-based registration method
US8218847B2 (en) 2008-06-06 2012-07-10 Superdimension, Ltd. Hybrid registration method
US8932207B2 (en) 2008-07-10 2015-01-13 Covidien Lp Integrated multi-functional endoscopic tool
WO2010015951A1 (en) 2008-08-04 2010-02-11 Koninklijke Philips Electronics N.V. Data acquisition
US8165658B2 (en) 2008-09-26 2012-04-24 Medtronic, Inc. Method and apparatus for positioning a guide relative to a base
US8175681B2 (en) 2008-12-16 2012-05-08 Medtronic Navigation Inc. Combination of electromagnetic and electropotential localization
EP2410916B1 (en) 2009-03-25 2013-06-26 Koninklijke Philips Electronics N.V. Apparatus and method for data acquisition using an imaging apparatus
CN102413765B (zh) 2009-03-26 2016-09-21 皇家飞利浦电子股份有限公司 频谱成像
CN102365562B (zh) 2009-03-26 2014-07-16 皇家飞利浦电子股份有限公司 数据采集
RU2541133C2 (ru) 2009-03-26 2015-02-10 Конинклейке Филипс Электроникс, Н.В. Сбор данных
US8611984B2 (en) 2009-04-08 2013-12-17 Covidien Lp Locatable catheter
US8405040B2 (en) * 2009-08-26 2013-03-26 Koninklijke Philips Electronics N.V. Imaging detector thermal control
US8494614B2 (en) 2009-08-31 2013-07-23 Regents Of The University Of Minnesota Combination localization system
US8494613B2 (en) 2009-08-31 2013-07-23 Medtronic, Inc. Combination localization system
RU2566539C2 (ru) 2009-12-15 2015-10-27 Конинклейке Филипс Электроникс Н.В. Компенсация параметров детекторного элемента построения изображения на основе дозы излучения
US10582834B2 (en) 2010-06-15 2020-03-10 Covidien Lp Locatable expandable working channel and method
EP2866665B1 (en) 2012-06-27 2018-10-31 Koninklijke Philips N.V. Grating-based differential phase contrast imaging
US10952593B2 (en) 2014-06-10 2021-03-23 Covidien Lp Bronchoscope adapter
CN107003417B (zh) * 2014-10-20 2019-06-21 模拟技术公司 用于辐射成像模态装置的探测器阵列的探测器单元
US10426555B2 (en) 2015-06-03 2019-10-01 Covidien Lp Medical instrument with sensor for use in a system and method for electromagnetic navigation
CN107923983B (zh) * 2015-08-07 2021-09-28 皇家飞利浦有限公司 具有改进的空间准确度的成像探测器
US9962134B2 (en) 2015-10-28 2018-05-08 Medtronic Navigation, Inc. Apparatus and method for maintaining image quality while minimizing X-ray dosage of a patient
US10478254B2 (en) 2016-05-16 2019-11-19 Covidien Lp System and method to access lung tissue
US10517505B2 (en) 2016-10-28 2019-12-31 Covidien Lp Systems, methods, and computer-readable media for optimizing an electromagnetic navigation system
US10638952B2 (en) 2016-10-28 2020-05-05 Covidien Lp Methods, systems, and computer-readable media for calibrating an electromagnetic navigation system
US10751126B2 (en) 2016-10-28 2020-08-25 Covidien Lp System and method for generating a map for electromagnetic navigation
US10418705B2 (en) 2016-10-28 2019-09-17 Covidien Lp Electromagnetic navigation antenna assembly and electromagnetic navigation system including the same
US10792106B2 (en) 2016-10-28 2020-10-06 Covidien Lp System for calibrating an electromagnetic navigation system
US10615500B2 (en) 2016-10-28 2020-04-07 Covidien Lp System and method for designing electromagnetic navigation antenna assemblies
US10722311B2 (en) 2016-10-28 2020-07-28 Covidien Lp System and method for identifying a location and/or an orientation of an electromagnetic sensor based on a map
US10446931B2 (en) 2016-10-28 2019-10-15 Covidien Lp Electromagnetic navigation antenna assembly and electromagnetic navigation system including the same
US11219489B2 (en) 2017-10-31 2022-01-11 Covidien Lp Devices and systems for providing sensors in parallel with medical tools
US12089902B2 (en) 2019-07-30 2024-09-17 Coviden Lp Cone beam and 3D fluoroscope lung navigation

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2745019A (en) * 1952-10-08 1956-05-08 Philips Corp X-ray intensity measuring system
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
US3573461A (en) * 1969-04-01 1971-04-06 Stig Arne Ohlsson Method and apparatus for timing exposures in x-ray photography
US3714429A (en) * 1970-09-28 1973-01-30 Afee J Mc Tomographic radioisotopic imaging with a scintillation camera
GB1478124A (en) * 1973-08-31 1977-06-29 Emi Ltd Apparatus for examining bodies by means of penetrating radiation

Also Published As

Publication number Publication date
US4052620A (en) 1977-10-04
FR2336023B3 (enExample) 1980-11-07
FR2336023A1 (fr) 1977-07-15
DE2654106A1 (de) 1977-10-27
GB1564324A (en) 1980-04-10

Similar Documents

Publication Publication Date Title
DE2654106A1 (de) Verfahren und vorrichtung zur strahlungserfassung bei abtastsystemen mit strahlung
EP0364613B1 (de) Verfahrenzum Betrieb eines Computertomographen
DE69711124T2 (de) Verfahren und Vorrichtung zur Aufnahme von Röntgen- und Gammastrahlen-Bildern mit Optimierung der Belichtungszeit
EP0153786B1 (de) Röntgengerät
DE2709600C2 (de) Computer-Tomograph
DE2641775C2 (enExample)
EP0029244A1 (de) Verfahren und Gerät zur Korrektur von Ungleichförmigkeiten in den Bildereignis-Energiesignalen einer Szintillationskamera
DE68913543T2 (de) Vorrichtung und verfahren zur messung der aktivität radioaktiver muster, die mehrere radioaktive isotope enthalten.
EP0209952A2 (de) Verfahren zum Bestimmen der räumlichen Verteilung der Streuquerschnitte für elastisch gestreute Röntgenstrahlung und Anordnung zur Durchführung des Verfahrens
DE2149279A1 (de) Szintillationskamera mit verbesserter Aufloesung
DE2330415A1 (de) Verfahren zum beruehrungslosen messen eines bewegten gegenstandes und vorrichtung zur durchfuehrung des verfahrens
DE3911976A1 (de) Bildkorrektur fuer die computer-tomographie zur beseitigung von einstreuungs-artefakten
DE68920187T2 (de) Apparat zur Messung der an einer Strahlungsquelle angelegten Spitzenspannung.
DE69818763T2 (de) Verfahren und Vorrichtung zum Lesen von Datensignalen, die von einem aktive Pixel eines Sensors ausgegeben werden
DE19651722A1 (de) Belichtungsautomatik für einen Röntgenapparat
DE2713581A1 (de) Anordnung zur darstellung einer ebene eines koerpers mit gamma- oder roentgenstrahlung
DE10211578A1 (de) Verfahren und Vorrichtung zur Verarbeitung von CT-Erkundungsbildern
CH616581A5 (enExample)
DE2704784A1 (de) Geraet zur untersuchung eines koerpers mittels durchdringender strahlung
DE2413041C2 (de) Schaltungsanordnung zur Korrektur von Bildfehlern bei einer Szintillationskamera
DE2836224C2 (de) Computer-Tomograph
DE69418700T2 (de) Elektronisches strahlungsabbildungssystem
DE102015201494A1 (de) Ermitteln von Funktionsdaten eines Röntgendetektors
DE102004039681B4 (de) Tomographiegerät und Verfahren für ein Tomographiegerät
DE2730343C2 (de) Auswahlschaltung zum Festlegen eines von einer Gamma-Szintillationskamera dargestellten kreis- oder ellipsenförmigen Bereichs

Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8125 Change of the main classification

Ipc: G01T 1/29

D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee