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GB2020945B - Real-time digital x-ray substraction imaging - Google Patents

Real-time digital x-ray substraction imaging

Info

Publication number
GB2020945B
GB2020945B GB7916534A GB7916534A GB2020945B GB 2020945 B GB2020945 B GB 2020945B GB 7916534 A GB7916534 A GB 7916534A GB 7916534 A GB7916534 A GB 7916534A GB 2020945 B GB2020945 B GB 2020945B
Authority
GB
United Kingdom
Prior art keywords
substraction
imaging
ray
real
time digital
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
GB7916534A
Other versions
GB2020945A (en
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.)
Wisconsin Alumni Research Foundation
Original Assignee
Wisconsin Alumni Research Foundation
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
Priority claimed from US05/906,631 external-priority patent/US4204226A/en
Priority claimed from US05/960,830 external-priority patent/US4204225A/en
Application filed by Wisconsin Alumni Research Foundation filed Critical Wisconsin Alumni Research Foundation
Publication of GB2020945A publication Critical patent/GB2020945A/en
Application granted granted Critical
Publication of GB2020945B publication Critical patent/GB2020945B/en
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
    • A61B6/48—Diagnostic techniques
    • A61B6/481—Diagnostic techniques involving the use of contrast agents
    • 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
    • A61B6/504—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 blood vessels, e.g. by angiography
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/30—Transforming light or analogous information into electric information
    • H04N5/32—Transforming X-rays
    • H04N5/3205—Transforming X-rays using subtraction imaging techniques
    • 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
    • H05G1/64—Circuit arrangements for X-ray apparatus incorporating image intensifiers

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Pathology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Biophysics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Public Health (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • General Health & Medical Sciences (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Vascular Medicine (AREA)
  • Dentistry (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
GB7916534A 1978-05-16 1979-05-11 Real-time digital x-ray substraction imaging Expired GB2020945B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US90668678A 1978-05-16 1978-05-16
US05/906,631 US4204226A (en) 1978-05-16 1978-05-16 Real-time digital X-ray time interval difference imaging
US05/960,830 US4204225A (en) 1978-05-16 1978-11-15 Real-time digital X-ray subtraction imaging

Publications (2)

Publication Number Publication Date
GB2020945A GB2020945A (en) 1979-11-21
GB2020945B true GB2020945B (en) 1982-12-01

Family

ID=27420614

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7916534A Expired GB2020945B (en) 1978-05-16 1979-05-11 Real-time digital x-ray substraction imaging

Country Status (4)

Country Link
DE (1) DE2919425C2 (en)
FR (1) FR2426374B1 (en)
GB (1) GB2020945B (en)
NL (1) NL183628B (en)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2475387A1 (en) * 1980-02-11 1981-08-14 Siemens Ag RADIO-DIAGNOSTIC APPARATUS COMPRISING A TELEVISION CHANNEL WITH IMAGE AMPLIFIER
US4375068A (en) * 1980-04-21 1983-02-22 Technicare Corporation Radiographic apparatus and method with logarithmic video compression
DE3018129C1 (en) * 1980-05-12 1981-10-01 Siemens AG, 1000 Berlin und 8000 München X-ray diagnostic facility for creating subtraction images
IT1135154B (en) * 1981-01-23 1986-08-20 Consiglio Nazionale Ricerche DETECTOR DEVICE FOR THE MOVEMENTS OF A BODY ORGAN, PARTICULARLY FOR USE IN A TELEVISION RADIOSCOPY SYSTEM
US4355331A (en) * 1981-01-28 1982-10-19 General Electric Company X-ray image subtracting system
US4445226A (en) * 1981-05-05 1984-04-24 The Board Of Trustees Of The Leland Stanford Junior University Multiple-energy X-ray subtraction imaging system
DE3124583A1 (en) * 1981-06-23 1982-12-30 Siemens AG, 1000 Berlin und 8000 München X-RAY DIAGNOSTIC DEVICE FOR DISPLAYING ORGANS
DE3149483A1 (en) * 1981-12-14 1983-06-23 Siemens AG, 1000 Berlin und 8000 München X-RAY DIAGNOSTIC DEVICE FOR CREATING SUBTRACTION IMAGES
US4436095A (en) * 1981-12-22 1984-03-13 Thomson-Csf Broadcast, Inc. Method and apparatus for imaging a body
DE3202449A1 (en) * 1982-01-26 1983-07-28 Siemens AG, 1000 Berlin und 8000 München X-RAY DIAGNOSTIC SYSTEM FOR ANGIOGRAPHIC X-RAY EXAMINATIONS
JPS58152542A (en) * 1982-03-05 1983-09-10 株式会社東芝 X-ray diagnostic apparatus
US4504908A (en) * 1982-03-15 1985-03-12 General Electric Company Matched filter for X-ray temporal subtraction
FR2551344B2 (en) * 1982-04-26 1990-01-12 Siemens Ag RADIODIAGNOSTIC FACILITY FOR RADIOLOGICAL ANGIOGRAPHIC EXAMINATIONS
NL8202418A (en) * 1982-06-15 1984-01-02 Philips Nv ROENTGEN RESEARCH DEVICE.
NL8202450A (en) * 1982-06-17 1984-01-16 Philips Nv METHOD AND APPARATUS FOR PROCESSING ROENTGEN IMAGES.
IL67344A (en) * 1982-11-26 1986-10-31 Elscint Ltd Digital fluorography apparatus and method
JPS59103648A (en) * 1982-12-06 1984-06-15 株式会社東芝 X-ray photographing apparatus
JPS607292A (en) * 1983-06-27 1985-01-16 Toshiba Corp Stereoscopic x-ray television device
DE3426056A1 (en) * 1983-07-16 1985-01-24 Leicester Polytechnic, Leicester METHOD AND DEVICE FOR CONTROLLING TEXTILES
GB8331248D0 (en) * 1983-11-23 1983-12-29 Kearney & Trecker Marwin Ltd Inspecting articles
JPS6116371A (en) * 1984-07-03 1986-01-24 Toshiba Corp Digital fluorography device
US4723260A (en) * 1985-01-04 1988-02-02 Yoshibumi Mukai Medical X-ray photographic apparatus
DE3814089A1 (en) * 1987-04-27 1988-11-17 Toshiba Kawasaki Kk Method and arrangement for reproducing sequential images
US5377681A (en) * 1989-11-13 1995-01-03 University Of Florida Method of diagnosing impaired blood flow
AU2003273324A1 (en) * 2002-09-12 2004-04-30 Nline Corporation System and method for acquiring and processing complex images
US11622741B2 (en) 2021-05-28 2023-04-11 GE Precision Healthcare LLC System and method for imaging a subject

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3974386A (en) * 1974-07-12 1976-08-10 Wisconsin Alumni Research Foundation Differential X-ray method and apparatus

Also Published As

Publication number Publication date
DE2919425C2 (en) 1984-09-06
FR2426374B1 (en) 1986-03-21
FR2426374A1 (en) 1979-12-14
GB2020945A (en) 1979-11-21
NL183628B (en) 1988-07-18
NL7903807A (en) 1979-11-20
DE2919425A1 (en) 1979-11-22

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Effective date: 19990510