FR2361859A1 - Appareil de tomographie axiale - Google Patents

Appareil de tomographie axiale

Info

Publication number
FR2361859A1
FR2361859A1 FR7725115A FR7725115A FR2361859A1 FR 2361859 A1 FR2361859 A1 FR 2361859A1 FR 7725115 A FR7725115 A FR 7725115A FR 7725115 A FR7725115 A FR 7725115A FR 2361859 A1 FR2361859 A1 FR 2361859A1
Authority
FR
France
Prior art keywords
tomography device
axial tomography
signals
tomography
averaged
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
FR7725115A
Other languages
English (en)
French (fr)
Other versions
FR2361859B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
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.)
EMI Ltd
Original Assignee
EMI Ltd
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 EMI Ltd filed Critical EMI Ltd
Publication of FR2361859A1 publication Critical patent/FR2361859A1/fr
Application granted granted Critical
Publication of FR2361859B1 publication Critical patent/FR2361859B1/fr
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]
    • 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
    • A61B6/08—Auxiliary means for directing the radiation beam to a particular spot, e.g. using light beams
    • 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
    • A61B6/40—Arrangements for generating radiation specially adapted for radiation diagnosis
    • A61B6/4021—Arrangements for generating radiation specially adapted for radiation diagnosis involving movement of the focal spot
    • A61B6/4028—Arrangements for generating radiation specially adapted for radiation diagnosis involving movement of the focal spot resulting in acquisition of views from substantially different positions, e.g. EBCT
    • 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
    • A61B6/40—Arrangements for generating radiation specially adapted for radiation diagnosis
    • A61B6/4035—Arrangements for generating radiation specially adapted for radiation diagnosis the source being combined with a filter or grating
    • 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

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Veterinary Medicine (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Public Health (AREA)
  • Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • Theoretical Computer Science (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Medical Treatment And Welfare Office Work (AREA)
FR7725115A 1976-08-17 1977-08-17 Appareil de tomographie axiale Granted FR2361859A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB34120/76A GB1584954A (en) 1976-08-17 1976-08-17 Radiography

Publications (2)

Publication Number Publication Date
FR2361859A1 true FR2361859A1 (fr) 1978-03-17
FR2361859B1 FR2361859B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1982-01-22

Family

ID=10361618

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7725115A Granted FR2361859A1 (fr) 1976-08-17 1977-08-17 Appareil de tomographie axiale

Country Status (6)

Country Link
US (1) US4172978A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS5330892A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2737566C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2361859A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1584954A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL183805C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2365330A1 (fr) * 1976-09-23 1978-04-21 Emi Ltd Perfectionnements a la radiographie
EP0910989A1 (de) * 1997-10-17 1999-04-28 Siemens Aktiengesellschaft Röntgeneinrichtung

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4450478A (en) * 1981-09-09 1984-05-22 Georgetown University Digital fluorographic method and system
JPS5846875A (ja) * 1981-09-14 1983-03-18 Toshiba Corp パワ−トランジスタのドライブ回路
US4472823A (en) * 1982-03-17 1984-09-18 U.S. Philips Corporation Computed tomography apparatus with detector sensitivity correction
US4550371A (en) * 1982-09-27 1985-10-29 General Electric Company Method and apparatus for compensating CT images for truncated projections
US4882494A (en) * 1988-02-26 1989-11-21 Michael D. Duncan Apparatus and method for flooding a nuclear imaging device with radiation from an imaging source
DE4335300C1 (de) * 1993-10-15 1994-10-27 Siemens Ag Computertomograph mit Fächerstrahl
US10067076B2 (en) 2013-12-23 2018-09-04 Johnson Matthey Public Limited Company Scanning method

Family Cites Families (9)

* 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
FR2232294B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1973-06-05 1978-01-13 Emi Ltd
GB1478124A (en) * 1973-08-31 1977-06-29 Emi Ltd Apparatus for examining bodies by means of penetrating radiation
GB1493594A (en) * 1974-01-31 1977-11-30 Emi Ltd Radiography
GB1493593A (en) * 1974-01-31 1977-11-30 Emi Ltd Radiography
GB1493243A (en) * 1974-02-15 1977-11-30 Emi Ltd Radiographic apparatus
JPS5444597B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1974-03-23 1979-12-26
GB1529799A (en) * 1974-11-13 1978-10-25 Emi Ltd Radiography

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2365330A1 (fr) * 1976-09-23 1978-04-21 Emi Ltd Perfectionnements a la radiographie
EP0910989A1 (de) * 1997-10-17 1999-04-28 Siemens Aktiengesellschaft Röntgeneinrichtung

Also Published As

Publication number Publication date
FR2361859B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1982-01-22
DE2737566A1 (de) 1978-02-23
NL183805C (nl) 1989-02-01
JPS5533340B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1980-08-30
US4172978A (en) 1979-10-30
JPS5330892A (en) 1978-03-23
NL7709117A (nl) 1978-02-21
GB1584954A (en) 1981-02-18
DE2737566C2 (de) 1985-01-03
NL183805B (nl) 1988-09-01

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Legal Events

Date Code Title Description
ST Notification of lapse
TP Transmission of property