DE69528358D1 - Röntgengerät mit einer filter-anordnung - Google Patents

Röntgengerät mit einer filter-anordnung

Info

Publication number
DE69528358D1
DE69528358D1 DE69528358T DE69528358T DE69528358D1 DE 69528358 D1 DE69528358 D1 DE 69528358D1 DE 69528358 T DE69528358 T DE 69528358T DE 69528358 T DE69528358 T DE 69528358T DE 69528358 D1 DE69528358 D1 DE 69528358D1
Authority
DE
Germany
Prior art keywords
filter arrangement
ray unit
ray
unit
filter
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
DE69528358T
Other languages
English (en)
Other versions
DE69528358T2 (de
Inventor
Esa Pekka Suuronen
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.)
KaVo Kerr Group Finland
Original Assignee
Instrumentarium Oyj
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 Instrumentarium Oyj filed Critical Instrumentarium Oyj
Application granted granted Critical
Publication of DE69528358D1 publication Critical patent/DE69528358D1/de
Publication of DE69528358T2 publication Critical patent/DE69528358T2/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 for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/08—Auxiliary means for directing the radiation beam to a particular spot, e.g. using light beams
    • 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
DE69528358T 1994-02-15 1995-02-14 Röntgengerät mit einer filter-anordnung Expired - Fee Related DE69528358T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI940707A FI94913C (fi) 1994-02-15 1994-02-15 Röntgenkuvauslaitteen suodinjärjestely
PCT/FI1995/000069 WO1995021571A1 (en) 1994-02-15 1995-02-14 A filter arrangement in a radiography apparatus

Publications (2)

Publication Number Publication Date
DE69528358D1 true DE69528358D1 (de) 2002-10-31
DE69528358T2 DE69528358T2 (de) 2003-05-22

Family

ID=8540117

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69528358T Expired - Fee Related DE69528358T2 (de) 1994-02-15 1995-02-14 Röntgengerät mit einer filter-anordnung

Country Status (6)

Country Link
US (1) US5841834A (de)
EP (1) EP0746232B1 (de)
JP (1) JP3598519B2 (de)
DE (1) DE69528358T2 (de)
FI (1) FI94913C (de)
WO (1) WO1995021571A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI116269B (fi) * 2000-02-18 2005-10-31 Ge Healthcare Finland Oy Menetelmä pään alueen kuvaamiseksi
DE102005056066B3 (de) * 2005-11-24 2007-06-28 Siemens Ag Einrichtung für die Röntgen-Brachytherapie mit einer in das Innere eines Körpers einführbaren Sonde
US20090285356A1 (en) * 2008-05-16 2009-11-19 Sirona Dental Systems Gmbh System and method for patient positioning in cone-beam tomography
CN103945766B (zh) * 2011-11-18 2016-04-27 日立阿洛卡医疗株式会社 放射线诊断装置
TWI504381B (zh) * 2011-11-22 2015-10-21 Hitachi Aloka Medical Ltd 放射線診斷裝置

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3708663A (en) * 1971-08-11 1973-01-02 W Biederman Optical cephalostat
US3947689A (en) * 1973-04-26 1976-03-30 The Machlett Laboratories, Inc. Automatic system for precise collimation of radiation
US4223228A (en) * 1979-06-21 1980-09-16 Indianapolis Center For Advanced Research Dental x-ray aligning system
US4355230A (en) * 1980-11-18 1982-10-19 Wilson Stephen S Method and apparatus for measuring the applied kilovoltage of X-ray sources
US4429409A (en) * 1980-12-15 1984-01-31 Ramsey Engineering Company Portable apparatus for analyzing metals by X-ray fluorescence
JPS58111705A (ja) * 1981-12-25 1983-07-02 Mitsutoyo Mfg Co Ltd 光学式測定装置
FI68515C (fi) * 1983-01-07 1991-05-14 Instrumentarium Oy Mjukvaevnadsfilteranordning.
DE3339775A1 (de) * 1983-11-03 1985-05-15 Siemens AG, 1000 Berlin und 8000 München Roentgendiagnostikgeraet mit strahlenfiltern
FR2561516B1 (fr) * 1984-03-20 1988-03-04 Thomson Cgr Installation de radiologie a filtre compensateur
US4618980A (en) * 1984-09-12 1986-10-21 Charles Lescrenier Exit beam indicator for radiographic equipment
JPS61276546A (ja) * 1985-05-31 1986-12-06 株式会社島津製作所 Ｘ線検査装置
US4947090A (en) * 1989-06-22 1990-08-07 Electro-Matic Products Co. Control for reciprocating part in a machine tool
FR2665261A1 (fr) * 1990-07-24 1992-01-31 Philips Electronique Lab Dispositif de diffractometrie a rayons x et utilisation de ce dispositif.
EP0508535B1 (de) * 1991-04-12 1996-02-07 Koninklijke Philips Electronics N.V. Röntgenuntersuchungsapparat mit Filtermittel
US5278887A (en) * 1992-06-29 1994-01-11 Siemens Corporate Research, Inc. Apparatus and method for reducing X-ray dosage during a fluoroscopic procedure

Also Published As

Publication number Publication date
FI940707A0 (fi) 1994-02-15
EP0746232A1 (de) 1996-12-11
FI94913C (fi) 1995-11-10
US5841834A (en) 1998-11-24
WO1995021571A1 (en) 1995-08-17
DE69528358T2 (de) 2003-05-22
JP3598519B2 (ja) 2004-12-08
EP0746232B1 (de) 2002-09-25
JPH09509342A (ja) 1997-09-22
FI94913B (fi) 1995-07-31

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: PALODEX GROUP OY, TUUSULA, FI

8339 Ceased/non-payment of the annual fee