FR2019823A1 - - Google Patents

Info

Publication number
FR2019823A1
FR2019823A1 FR6933656A FR6933656A FR2019823A1 FR 2019823 A1 FR2019823 A1 FR 2019823A1 FR 6933656 A FR6933656 A FR 6933656A FR 6933656 A FR6933656 A FR 6933656A FR 2019823 A1 FR2019823 A1 FR 2019823A1
Authority
FR
France
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.)
Pending
Application number
FR6933656A
Other languages
French (fr)
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
Publication of FR2019823A1 publication Critical patent/FR2019823A1/fr
Pending legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/44—Constructional features of apparatus for radiation diagnosis
    • A61B6/4429—Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units
    • A61B6/4435—Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units the source unit and the detector unit being coupled by a rigid structure
    • A61B6/4441—Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units the source unit and the detector unit being coupled by a rigid structure the rigid structure being a C-arm or U-arm
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/06—Diaphragms
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21K—TECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
    • G21K1/00—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating
    • G21K1/02—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators
    • G21K1/04—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators using variable diaphragms, shutters, choppers
FR6933656A 1968-10-03 1969-10-02 Pending FR2019823A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1800879A DE1800879C3 (en) 1968-10-03 1968-10-03 Primary radiation diaphragm for X-ray examination equipment

Publications (1)

Publication Number Publication Date
FR2019823A1 true FR2019823A1 (en) 1970-07-10

Family

ID=5709487

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6933656A Pending FR2019823A1 (en) 1968-10-03 1969-10-02

Country Status (3)

Country Link
US (1) US3631249A (en)
DE (1) DE1800879C3 (en)
FR (1) FR2019823A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2387446A1 (en) * 1977-04-11 1978-11-10 Ohio Nuclear APPARATUS FOR MEASURING THE WEAKENING OF RADIATION AFTER CROSSING A MEDIUM
EP0001523A1 (en) * 1977-10-11 1979-04-18 Compagnie Generale De Radiologie Method and apparatus for axial transverse tomography

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3792274A (en) * 1971-10-19 1974-02-12 Nuclear Chicago Corp Scintillation camera with improved resolution
US3982133A (en) * 1972-11-15 1976-09-21 G. D. Searle & Co. Collimator changer for scintillation camera
US4109155A (en) * 1973-01-16 1978-08-22 Siemens Aktiengesellschaft Gamma camera
US4129784A (en) * 1974-06-14 1978-12-12 Siemens Aktiengesellschaft Gamma camera
US3947690A (en) * 1974-07-11 1976-03-30 The Machlett Laboratories, Inc. Radiation limiting means
DE2609925C2 (en) * 1976-03-10 1982-06-09 Philips Patentverwaltung Gmbh, 2000 Hamburg Arrangement for determining the distribution of the absorption of a body
DE2615335C3 (en) * 1976-04-08 1985-07-18 Siemens AG, 1000 Berlin und 8000 München Primary beam diaphragm
FI54856C (en) * 1976-12-17 1979-04-10 Palomex Oy ANORDNING VID ROENTGENANLEDNING
US4377752A (en) * 1978-06-19 1983-03-22 Picker Corporation Scintillation camera radiation shielding
US4221971A (en) * 1979-01-15 1980-09-09 William Burger Protective shield device
US4266139A (en) * 1980-01-07 1981-05-05 Louis Sportelli Composite shielding means and mounting means for x-ray machines
US4347440A (en) * 1980-07-09 1982-08-31 Siemens Medical Laboratories, Inc. Filter arrangement for an x-ray apparatus
DE3149723A1 (en) * 1981-12-15 1983-07-21 Siemens AG, 1000 Berlin und 8000 München DENTAL X-RAY DIAGNOSTIC
DE3149141A1 (en) * 1981-12-11 1983-06-23 Jörg 4600 Dortmund Franz Fade-in device for spinal function photographs
US4489426A (en) * 1981-12-23 1984-12-18 General Electric Company Collimator with adjustable aperture
US4472828A (en) * 1982-07-23 1984-09-18 Minnesota Mining And Manufacturing Company X-Ray filter for chest X-rays
FI68515C (en) * 1983-01-07 1991-05-14 Instrumentarium Oy Soft tissue filter arrangement
EP0184695B1 (en) * 1984-12-03 1989-02-08 Siemens Aktiengesellschaft Diaphragm for primary radiation in an x-ray examination apparatus
DE3500812A1 (en) * 1985-01-11 1986-07-17 Siemens AG, 1000 Berlin und 8000 München X-RAY DIAGNOSTIC DEVICE WITH SEMI-TRANSPARENT PANEL
US4707846A (en) * 1985-06-12 1987-11-17 Louis Sportelli Full spine shielding means
US4905268A (en) * 1985-10-25 1990-02-27 Picker International, Inc. Adjustable off-focal aperture for x-ray tubes
DE3765558D1 (en) * 1986-02-28 1990-11-22 Siemens Ag DENTAL X-RAY DIAGNOSTIC DEVICE FOR CREATING PANORAMIC LAYING FROM A PATIENT'S JAW.
DE3621868A1 (en) * 1986-06-30 1988-01-14 Siemens Ag X-RAY DIAGNOSTIC DEVICE WITH A DISC
DE3785718D1 (en) * 1986-09-30 1993-06-09 Siemens Ag DENTAL X-RAY DIAGNOSTIC.
DE3888388T2 (en) * 1987-05-07 1994-06-23 Picker Int Inc X-ray machine.
DE8711572U1 (en) * 1987-08-26 1988-12-22 Siemens Ag, 1000 Berlin Und 8000 Muenchen, De
DE4106596C1 (en) * 1991-03-01 1992-04-30 Siemens Ag, 8000 Muenchen, De
DE59100908D1 (en) * 1991-03-01 1994-03-03 Siemens Ag X-ray diagnostic device with a primary radiation diaphragm.
US6389100B1 (en) * 1999-04-09 2002-05-14 Osmic, Inc. X-ray lens system
DE10154461B4 (en) * 2001-11-08 2005-12-15 Siemens Ag Apparatus for filtering a radiation beam
CN100582757C (en) * 2005-07-22 2010-01-20 同方威视技术股份有限公司 Collimating and correcting integrating device for container detecting system
CN101303909B (en) * 2007-05-11 2013-03-27 Ge医疗系统环球技术有限公司 Filter unit, X ray tube unit and X ray imaging system
CN101658429A (en) * 2008-08-29 2010-03-03 Ge医疗系统环球技术有限公司 Regulating device for scattered X-ray blocking vane
BR112012024494A2 (en) 2010-03-31 2017-12-05 Koninl Philips Electronics Nv device for positioning an automatic absorption means for x-ray imaging, medical imaging system, method for positioning an automatic absorption medium for x-ray imaging, computer program element for control a computer-readable device and media
CN103093850B (en) * 2011-10-31 2017-04-26 Ge医疗系统环球技术有限公司 Filter assembly used for computer tomography system and computer tomography system
CN105675042B (en) * 2015-12-28 2018-08-10 同方威视技术股份有限公司 Ray caliberating device and its operating method, radiation image-forming system and its operating method
CN105559812B (en) * 2016-02-29 2018-07-17 深圳圣诺医疗设备股份有限公司 Breast X-ray system and its collimator

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1535359A (en) * 1920-12-28 1925-04-28 Tousey Sinclair X-ray filter or screen
US2204465A (en) * 1938-02-03 1940-06-11 Baier Anton Device for adjusting the roentgen ray cone by means of an auxiliary lamp
US2405444A (en) * 1942-08-05 1946-08-06 Moreau Santiago Radiographic filter
GB557150A (en) * 1942-09-14 1943-11-05 Gen Electric Co Ltd Improvements in or relating to x-ray apparatus
DE1145277B (en) * 1960-05-27 1963-03-14 Koch & Sterzel Kommanditgesell X-ray apparatus with automatic exposure device used as a dose rate meter
US3248547A (en) * 1963-10-21 1966-04-26 Picker X Ray Corp Device for accurately positioning X-ray filters in the beam path

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2387446A1 (en) * 1977-04-11 1978-11-10 Ohio Nuclear APPARATUS FOR MEASURING THE WEAKENING OF RADIATION AFTER CROSSING A MEDIUM
EP0001523A1 (en) * 1977-10-11 1979-04-18 Compagnie Generale De Radiologie Method and apparatus for axial transverse tomography

Also Published As

Publication number Publication date
DE1800879B2 (en) 1973-06-14
DE1800879C3 (en) 1974-01-10
US3631249A (en) 1971-12-28
DE1800879A1 (en) 1970-05-27

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