DE2042009C3 - Anordnung zur zerstörungsfreien Dichtemessung von Stoffen lebender Objekte mittels durchdringender Strahlen - Google Patents

Anordnung zur zerstörungsfreien Dichtemessung von Stoffen lebender Objekte mittels durchdringender Strahlen

Info

Publication number
DE2042009C3
DE2042009C3 DE2042009A DE2042009A DE2042009C3 DE 2042009 C3 DE2042009 C3 DE 2042009C3 DE 2042009 A DE2042009 A DE 2042009A DE 2042009 A DE2042009 A DE 2042009A DE 2042009 C3 DE2042009 C3 DE 2042009C3
Authority
DE
Germany
Prior art keywords
radiation
voltage
value
measuring device
values
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
DE2042009A
Other languages
German (de)
English (en)
Other versions
DE2042009A1 (de
DE2042009B2 (de
Inventor
Karl-Hans Dr.-Ing. 8520 Erlangen Reiss
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
Original Assignee
Siemens AG
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 filed Critical Siemens AG
Priority to DE2042009A priority Critical patent/DE2042009C3/de
Priority to US170497A priority patent/US3924133A/en
Priority to FR7130062A priority patent/FR2104465A5/fr
Publication of DE2042009A1 publication Critical patent/DE2042009A1/de
Publication of DE2042009B2 publication Critical patent/DE2042009B2/de
Application granted granted Critical
Publication of DE2042009C3 publication Critical patent/DE2042009C3/de
Expired 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
    • A61B6/40—Arrangements for generating radiation specially adapted for radiation diagnosis
    • A61B6/405—Source units specially adapted to modify characteristics of the beam during the data acquisition process
    • 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
    • A61B6/44—Constructional features of apparatus for radiation diagnosis
    • A61B6/4476—Constructional features of apparatus for radiation diagnosis related to motor-assisted motion of the source unit
    • 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
    • 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
    • G01N23/04—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 forming images of the material
    • G01N23/043—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 forming images of the material using fluoroscopic examination, with visual observation or video transmission of fluoroscopic images

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biophysics (AREA)
  • Public Health (AREA)
  • Optics & Photonics (AREA)
  • Multimedia (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pulmonology (AREA)
  • Theoretical Computer Science (AREA)
  • X-Ray Techniques (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
DE2042009A 1970-08-25 1970-08-25 Anordnung zur zerstörungsfreien Dichtemessung von Stoffen lebender Objekte mittels durchdringender Strahlen Expired DE2042009C3 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE2042009A DE2042009C3 (de) 1970-08-25 1970-08-25 Anordnung zur zerstörungsfreien Dichtemessung von Stoffen lebender Objekte mittels durchdringender Strahlen
US170497A US3924133A (en) 1970-08-25 1971-08-10 Device for measuring density of substances by penetrating rays
FR7130062A FR2104465A5 (enExample) 1970-08-25 1971-08-18

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2042009A DE2042009C3 (de) 1970-08-25 1970-08-25 Anordnung zur zerstörungsfreien Dichtemessung von Stoffen lebender Objekte mittels durchdringender Strahlen

Publications (3)

Publication Number Publication Date
DE2042009A1 DE2042009A1 (de) 1972-03-02
DE2042009B2 DE2042009B2 (de) 1974-07-11
DE2042009C3 true DE2042009C3 (de) 1975-02-27

Family

ID=5780614

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2042009A Expired DE2042009C3 (de) 1970-08-25 1970-08-25 Anordnung zur zerstörungsfreien Dichtemessung von Stoffen lebender Objekte mittels durchdringender Strahlen

Country Status (3)

Country Link
US (1) US3924133A (enExample)
DE (1) DE2042009C3 (enExample)
FR (1) FR2104465A5 (enExample)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2532218C2 (de) * 1975-07-18 1982-09-02 Heimann Gmbh, 6200 Wiesbaden Vorrichtung zum Prüfen von Gepäckstücken mittels Röntgenstrahlung
DE2532300C3 (de) * 1975-07-18 1979-05-17 Heimann Gmbh, 6200 Wiesbaden Anlage zum Prüfen von Gepäckstücken mittels Röntgenstrahlung
US4355331A (en) * 1981-01-28 1982-10-19 General Electric Company X-ray image subtracting system
NL8303156A (nl) * 1983-09-13 1985-04-01 Optische Ind De Oude Delft Nv Roentgenopnameinrichting met spleetaftasting.
US5164977A (en) * 1983-09-13 1992-11-17 B.V. Optische Industrie, "De Oude Delft" Process and apparatus for effecting slit radiography
DE3339775A1 (de) * 1983-11-03 1985-05-15 Siemens AG, 1000 Berlin und 8000 München Roentgendiagnostikgeraet mit strahlenfiltern
US4780897A (en) * 1986-05-06 1988-10-25 General Electric Company Dual energy imaging with kinestatic charge detector
US5148455A (en) * 1986-07-14 1992-09-15 Hologic, Inc. Bone densitometer
US5044002A (en) * 1986-07-14 1991-08-27 Hologic, Inc. Baggage inspection and the like
US4945552A (en) * 1987-12-04 1990-07-31 Hitachi, Ltd. Imaging system for obtaining X-ray energy subtraction images
US6031892A (en) * 1989-12-05 2000-02-29 University Of Massachusetts Medical Center System for quantitative radiographic imaging
WO1996027196A1 (en) * 1995-02-27 1996-09-06 Philips Electronics N.V. X-ray examination apparatus comprising a collimator unit
US7050534B2 (en) * 2000-08-29 2006-05-23 Imaging Therapeutics, Inc. Methods and devices for quantitative analysis of x-ray images
US6904123B2 (en) 2000-08-29 2005-06-07 Imaging Therapeutics, Inc. Methods and devices for quantitative analysis of x-ray images
US7545964B2 (en) 2000-08-29 2009-06-09 Imaging Therapeutics, Inc. Methods and devices for quantitative analysis of x-ray images
US7467892B2 (en) 2000-08-29 2008-12-23 Imaging Therapeutics, Inc. Calibration devices and methods of use thereof
US7660453B2 (en) * 2000-10-11 2010-02-09 Imaging Therapeutics, Inc. Methods and devices for analysis of x-ray images
EP1324695B1 (en) 2000-10-11 2011-07-13 ImaTx, Inc. Methods and devices for analysis of x-ray images
US20070047794A1 (en) * 2000-10-11 2007-03-01 Philipp Lang Methods and devices for analysis of x-ray images
US8639009B2 (en) 2000-10-11 2014-01-28 Imatx, Inc. Methods and devices for evaluating and treating a bone condition based on x-ray image analysis
WO2002058557A2 (en) * 2000-10-24 2002-08-01 The Johns Hopkins University Method and apparatus for multiple-projection, dual-energy x-ray absorptiometry scanning
CA2446296A1 (en) 2001-05-25 2002-12-05 Imaging Therapeutics, Inc. Methods to diagnose treat and prevent bone loss
US8965075B2 (en) 2002-09-16 2015-02-24 Imatx, Inc. System and method for predicting future fractures
US8600124B2 (en) 2004-09-16 2013-12-03 Imatx, Inc. System and method of predicting future fractures
US7840247B2 (en) 2002-09-16 2010-11-23 Imatx, Inc. Methods of predicting musculoskeletal disease
US7664298B2 (en) 2003-03-25 2010-02-16 Imaging Therapeutics, Inc. Methods for the compensation of imaging technique in the processing of radiographic images
US8290564B2 (en) 2003-09-19 2012-10-16 Imatx, Inc. Method for bone structure prognosis and simulated bone remodeling
CA2539487A1 (en) * 2003-09-19 2005-03-31 Imaging Therapeutics, Inc. Method for bone structure prognosis and simulated bone remodeling
US8939917B2 (en) 2009-02-13 2015-01-27 Imatx, Inc. Methods and devices for quantitative analysis of bone and cartilage

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2962594A (en) * 1956-09-14 1960-11-29 Westinghouse Electric Corp X-ray apparatus
US3546461A (en) * 1968-09-13 1970-12-08 Litton Medical Products Automatic control of a nonsynchronous cine fluororadiographic apparatus

Also Published As

Publication number Publication date
DE2042009A1 (de) 1972-03-02
DE2042009B2 (de) 1974-07-11
FR2104465A5 (enExample) 1972-04-14
US3924133A (en) 1975-12-02

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
E77 Valid patent as to the heymanns-index 1977
EHJ Ceased/non-payment of the annual fee