CA1126415A - Apparatus for measuring local absorption differences - Google Patents

Apparatus for measuring local absorption differences

Info

Publication number
CA1126415A
CA1126415A CA287,651A CA287651A CA1126415A CA 1126415 A CA1126415 A CA 1126415A CA 287651 A CA287651 A CA 287651A CA 1126415 A CA1126415 A CA 1126415A
Authority
CA
Canada
Prior art keywords
source
radiation
detector
detector means
radiation source
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
CA287,651A
Other languages
English (en)
French (fr)
Inventor
Frans W. Zonneveld
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of CA1126415A publication Critical patent/CA1126415A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
    • G01N23/06—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and measuring the absorption
    • G01N23/083—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and measuring the absorption the radiation being X-rays
    • 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
    • A61B6/58—Testing, adjusting or calibrating thereof
    • A61B6/589—Setting distance between source unit and patient

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • General Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Biophysics (AREA)
  • Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Animal Behavior & Ethology (AREA)
  • Molecular Biology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biomedical Technology (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Toxicology (AREA)
  • Chemical & Material Sciences (AREA)
  • Theoretical Computer Science (AREA)
  • Pulmonology (AREA)
  • General Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Measurement Of Radiation (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
CA287,651A 1976-10-01 1977-09-28 Apparatus for measuring local absorption differences Expired CA1126415A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NLAANVRAGE7610858,A NL171222C (nl) 1976-10-01 1976-10-01 Apparaat voor het meten van lokale absorptieverschillen.
NL7610858 1976-10-01

Publications (1)

Publication Number Publication Date
CA1126415A true CA1126415A (en) 1982-06-22

Family

ID=19826990

Family Applications (1)

Application Number Title Priority Date Filing Date
CA287,651A Expired CA1126415A (en) 1976-10-01 1977-09-28 Apparatus for measuring local absorption differences

Country Status (15)

Country Link
US (1) US4134020A (en:Method)
JP (1) JPS5932137B2 (en:Method)
AT (1) AT358670B (en:Method)
BE (1) BE859217A (en:Method)
BR (1) BR7706475A (en:Method)
CA (1) CA1126415A (en:Method)
CH (1) CH623933A5 (en:Method)
DE (1) DE2741958A1 (en:Method)
ES (1) ES462752A1 (en:Method)
FR (1) FR2366561A1 (en:Method)
GB (1) GB1540365A (en:Method)
IL (1) IL53027A (en:Method)
IT (1) IT1086400B (en:Method)
NL (1) NL171222C (en:Method)
SE (1) SE421585B (en:Method)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5383592A (en) * 1976-12-28 1978-07-24 Toshiba Corp Ct scanner
GB1577172A (en) * 1976-07-15 1980-10-22 Tokyo Shibaura Electric Co Tomographing device
JPS5346294A (en) * 1976-10-08 1978-04-25 Toshiba Corp Ct scanner
JPS5397981U (en:Method) * 1977-01-13 1978-08-09
US4115696A (en) * 1977-04-18 1978-09-19 General Electric Company Computed tomography scanner
JPS5924823B2 (ja) * 1977-04-30 1984-06-12 株式会社東芝 断層撮影装置
US4464777A (en) * 1980-10-22 1984-08-07 Tokyo Shibaura Denki Kabushiki Kaisha Radiography apparatus
NL8006304A (nl) * 1980-11-19 1982-06-16 Philips Nv Werkwijze en inrichting voor het bepalen van de verdeling van stralingsabsorptie in een vlak van een lichaam.
US4462111A (en) * 1982-05-27 1984-07-24 Elscint Incorporated Apparatus and method for examining a body, particularly useful in tomography
JPS60109200A (ja) * 1983-11-18 1985-06-14 Toshiba Corp Ｘ線ｃｔ装置
GB2169180B (en) * 1984-12-28 1988-06-15 Toshiba Kk Ct apparatus and operating method therefor
GB2181330B (en) * 1985-09-26 1990-05-09 Toshiba Kk X-ray inspection apparatus
DE3853287T3 (de) * 1988-04-22 2000-09-21 Analogic Corp., Peabody RöNTGENSTRAHLEN-TOMOGRAPHIEGERÄT MIT EINEM ORTUNGSDETEKTOR.
DE4009335A1 (de) * 1989-07-14 1991-01-24 Geesthacht Gkss Forschung Verfahren zur herstellung von abbildungen mittels ionisierender strahlung und neutronen durchstrahlter strukturen
JPH0566231U (ja) * 1992-02-18 1993-09-03 三菱自動車工業株式会社 エンジンのトルク変動低減装置
JP2955165B2 (ja) * 1993-11-05 1999-10-04 東芝エフエーシステムエンジニアリング株式会社 断層撮影装置
US5760402A (en) * 1996-06-07 1998-06-02 Adac Laboratories Dual-head medicine imaging system with cantilevered detector heads
US6150662A (en) * 1998-04-30 2000-11-21 Adac Laboratories Gantry for medical imaging system
US6901132B2 (en) * 2003-06-26 2005-05-31 General Electric Company System and method for scanning an object in tomosynthesis applications
US7003070B1 (en) * 2004-08-03 2006-02-21 William Barry Chen Upright CT scanner
JP4632891B2 (ja) * 2005-07-22 2011-02-16 株式会社モリタ製作所 Ｘ線ｃｔ撮影装置およびｘ線ｃｔ撮影方法
EP1937149A1 (en) * 2005-10-19 2008-07-02 The General Hospital Corporation Imaging system and related techniques
JP6685078B2 (ja) * 2013-03-15 2020-04-22 プロト マニュファクチャリング リミテッド Ｘ線回折装置およびｘ線回折装置駆動方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2196618A (en) * 1937-12-29 1940-04-09 Medical Supply Ass Ltd X-ray apparatus
US3803417A (en) * 1971-05-13 1974-04-09 Philips Corp X-ray apparatus for heart catheterization and other procedures
GB1468810A (en) * 1973-05-05 1977-03-30 Emi Ltd Radiography
US3922552A (en) * 1974-02-15 1975-11-25 Robert S Ledley Diagnostic X-ray systems
GB1577172A (en) * 1976-07-15 1980-10-22 Tokyo Shibaura Electric Co Tomographing device
JPS539494A (en) * 1976-07-15 1978-01-27 Toshiba Corp Tomographic apparatus

Also Published As

Publication number Publication date
NL171222B (nl) 1982-10-01
DE2741958C2 (en:Method) 1991-04-18
NL7610858A (nl) 1978-04-04
NL171222C (nl) 1983-03-01
CH623933A5 (en:Method) 1981-06-30
FR2366561A1 (fr) 1978-04-28
SE421585B (sv) 1982-01-18
JPS5344194A (en) 1978-04-20
SE7710818L (sv) 1978-04-02
US4134020A (en) 1979-01-09
IL53027A0 (en) 1977-11-30
BE859217A (fr) 1978-03-29
IL53027A (en) 1979-10-31
ATA693077A (de) 1980-02-15
BR7706475A (pt) 1978-06-27
IT1086400B (it) 1985-05-28
FR2366561B1 (en:Method) 1982-04-16
ES462752A1 (es) 1978-08-16
DE2741958A1 (de) 1978-04-06
JPS5932137B2 (ja) 1984-08-07
GB1540365A (en) 1979-02-14
AT358670B (de) 1980-09-25

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Legal Events

Date Code Title Description
MKEX Expiry