DE69319403D1 - Anordnung zur selektiven abbildung von materialen - Google Patents

Anordnung zur selektiven abbildung von materialen

Info

Publication number
DE69319403D1
DE69319403D1 DE69319403T DE69319403T DE69319403D1 DE 69319403 D1 DE69319403 D1 DE 69319403D1 DE 69319403 T DE69319403 T DE 69319403T DE 69319403 T DE69319403 T DE 69319403T DE 69319403 D1 DE69319403 D1 DE 69319403D1
Authority
DE
Germany
Prior art keywords
arrangement
materials
selective image
selective
image
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 - Fee Related
Application number
DE69319403T
Other languages
English (en)
Other versions
DE69319403T2 (de
Inventor
Norbert Pelc
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.)
GE Lunar Corp
Original Assignee
Lunar Corp
GE Lunar 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 Lunar Corp, GE Lunar Corp filed Critical Lunar Corp
Publication of DE69319403D1 publication Critical patent/DE69319403D1/de
Application granted granted Critical
Publication of DE69319403T2 publication Critical patent/DE69319403T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • A61B6/50—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications
    • A61B6/505—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications for diagnosis of bone
    • 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
    • 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
    • A61B6/48—Diagnostic techniques
    • A61B6/482—Diagnostic techniques involving multiple energy imaging
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05G—X-RAY TECHNIQUE
    • H05G1/00—X-ray apparatus involving X-ray tubes; Circuits therefor
    • H05G1/08—Electrical details
    • H05G1/60—Circuit arrangements for obtaining a series of X-ray photographs or for X-ray cinematography

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (AREA)
  • Engineering & Computer Science (AREA)
  • Radiology & Medical Imaging (AREA)
  • Molecular Biology (AREA)
  • Biophysics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Physics & Mathematics (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Dentistry (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
DE69319403T 1992-04-27 1993-04-23 Anordnung zur selektiven abbildung von materialen Expired - Fee Related DE69319403T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/874,146 US5253282A (en) 1992-04-27 1992-04-27 System for selective material imaging
PCT/US1993/003866 WO1993021826A1 (en) 1992-04-27 1993-04-23 System for selective material imaging

Publications (2)

Publication Number Publication Date
DE69319403D1 true DE69319403D1 (de) 1998-08-06
DE69319403T2 DE69319403T2 (de) 1998-12-03

Family

ID=25363080

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69319403T Expired - Fee Related DE69319403T2 (de) 1992-04-27 1993-04-23 Anordnung zur selektiven abbildung von materialen

Country Status (5)

Country Link
US (1) US5253282A (de)
EP (1) EP0594840B1 (de)
JP (1) JPH06508055A (de)
DE (1) DE69319403T2 (de)
WO (1) WO1993021826A1 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5490196A (en) * 1994-03-18 1996-02-06 Metorex International Oy Multi energy system for x-ray imaging applications
US5661774A (en) * 1996-06-27 1997-08-26 Analogic Corporation Dual energy power supply
US5748704A (en) 1997-03-10 1998-05-05 Lunar Corporation Peripheral bone densitometer
US5852647A (en) * 1997-09-24 1998-12-22 Schick Technologies Method and apparatus for measuring bone density
US6510197B1 (en) 2000-01-11 2003-01-21 Alara, Inc. Method and apparatus for osteoporosis screening
US6449334B1 (en) * 2000-09-29 2002-09-10 Lunar Corporation Industrial inspection method and apparatus using dual energy x-ray attenuation
WO2002065915A1 (en) * 2001-02-23 2002-08-29 Koninklijke Philips Electronics N.V. Method and system for determining a density of a volume in an image data set
US6636582B2 (en) * 2001-11-08 2003-10-21 Ge Medical Systems Global Technology Co., Llc Multiple energy x-ray imaging techniques
US6891918B2 (en) * 2002-11-27 2005-05-10 Ge Medical Systems Global Technology Company, Llc Methods and apparatus for acquiring perfusion data
US6873680B2 (en) * 2003-05-02 2005-03-29 Siemens Westinghouse Power Corporation Method and apparatus for detecting defects using digital radiography
US6987833B2 (en) * 2003-10-16 2006-01-17 General Electric Company Methods and apparatus for identification and imaging of specific materials
US20050101970A1 (en) * 2003-11-06 2005-05-12 Rosenberg William S. Functional image-guided placement of bone screws, path optimization and orthopedic surgery
DE102006014624B4 (de) * 2006-03-29 2008-04-10 Siemens Ag Verfahren zur Aufnahme von Projektionsbildern
JP5087229B2 (ja) * 2006-03-30 2012-12-05 富士フイルム株式会社 閉回路テレビカメラのレンズ絞り調整装置
US7742568B2 (en) * 2007-06-09 2010-06-22 Spectrum San Diego, Inc. Automobile scanning system
US7826587B1 (en) * 2009-09-11 2010-11-02 General Electric Company System and method of fast kVp switching for dual energy CT
US8314394B1 (en) 2009-11-04 2012-11-20 Science Applications International Corporation System and method for three-dimensional imaging using scattering from annihilation coincidence photons
US9044186B2 (en) 2012-06-25 2015-06-02 George W. Ma Portable dual-energy radiographic X-ray perihpheral bone density and imaging systems and methods
DE102012211472A1 (de) * 2012-07-03 2014-01-09 Siemens Aktiengesellschaft Verfahren zur Aufnahme von Röntgenbildern und Röntgeneinrichtung
KR20140092438A (ko) * 2012-12-27 2014-07-24 삼성전자주식회사 엑스선 검출 패널, 엑스선 촬영 장치 및 엑스선 영상 생성 방법

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2304427A1 (de) * 1973-01-30 1974-08-08 Siemens Ag Roentgendiagnostikeinrichtung mit mitteln zur veraenderung der roentgenroehrenspannung
US3848130A (en) * 1973-06-25 1974-11-12 A Macovski Selective material x-ray imaging system
US3965358A (en) * 1974-12-06 1976-06-22 Albert Macovski Cross-sectional imaging system using a polychromatic x-ray source
US4029963A (en) * 1976-07-30 1977-06-14 The Board Of Trustees Of Leland Stanford Junior University X-ray spectral decomposition imaging system
US4361901A (en) * 1980-11-18 1982-11-30 General Electric Company Multiple voltage x-ray switching system
US4355331A (en) * 1981-01-28 1982-10-19 General Electric Company X-ray image subtracting system
US4542459A (en) * 1982-11-26 1985-09-17 General Electric Company Matched filter for x-ray hybrid subtraction
US4541106A (en) * 1984-02-22 1985-09-10 General Electric Company Dual energy rapid switching imaging system
US5148455A (en) * 1986-07-14 1992-09-15 Hologic, Inc. Bone densitometer
US4947414A (en) * 1986-07-14 1990-08-07 Hologic, Inc. Bone densitometer
US5132995A (en) * 1989-03-07 1992-07-21 Hologic, Inc. X-ray analysis apparatus

Also Published As

Publication number Publication date
EP0594840B1 (de) 1998-07-01
EP0594840A1 (de) 1994-05-04
JPH06508055A (ja) 1994-09-14
US5253282A (en) 1993-10-12
WO1993021826A1 (en) 1993-11-11
DE69319403T2 (de) 1998-12-03

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee