DE69505926D1 - Röntgenröhrenanordnungen - Google Patents
RöntgenröhrenanordnungenInfo
- Publication number
- DE69505926D1 DE69505926D1 DE69505926T DE69505926T DE69505926D1 DE 69505926 D1 DE69505926 D1 DE 69505926D1 DE 69505926 T DE69505926 T DE 69505926T DE 69505926 T DE69505926 T DE 69505926T DE 69505926 D1 DE69505926 D1 DE 69505926D1
- Authority
- DE
- Germany
- Prior art keywords
- ray tube
- tube assemblies
- assemblies
- ray
- tube
- 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
Links
- 230000000712 assembly Effects 0.000 title 1
- 238000000429 assembly Methods 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J35/00—X-ray tubes
- H01J35/24—Tubes wherein the point of impact of the cathode ray on the anode or anticathode is movable relative to the surface thereof
-
- 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
- A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
- A61B6/03—Computed tomography [CT]
- A61B6/032—Transmission computed tomography [CT]
- A61B6/035—Mechanical aspects of 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
- A61B6/06—Diaphragms
-
- 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
- A61B6/4021—Arrangements for generating radiation specially adapted for radiation diagnosis involving movement of the focal spot
- A61B6/4028—Arrangements for generating radiation specially adapted for radiation diagnosis involving movement of the focal spot resulting in acquisition of views from substantially different positions, e.g. EBCT
-
- 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
- A61B6/42—Arrangements for detecting radiation specially adapted for radiation diagnosis
- A61B6/4275—Arrangements for detecting radiation specially adapted for radiation diagnosis using a detector unit almost surrounding the patient, e.g. more than 180°
-
- 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
- A61B6/4488—Means for cooling
-
- 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
- A61B6/56—Details of data transmission or power supply, e.g. use of slip rings
-
- 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
- G21K1/025—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators using multiple collimators, e.g. Bucky screens; other devices for eliminating undesired or dispersed radiation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J35/00—X-ray tubes
- H01J35/02—Details
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05G—X-RAY TECHNIQUE
- H05G1/00—X-ray apparatus involving X-ray tubes; Circuits therefor
- H05G1/02—Constructional details
- H05G1/025—Means for cooling the X-ray tube or the generator
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05G—X-RAY TECHNIQUE
- H05G1/00—X-ray apparatus involving X-ray tubes; Circuits therefor
- H05G1/02—Constructional details
- H05G1/04—Mounting the X-ray tube within a closed housing
-
- 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
- H05G1/26—Measuring, controlling or protecting
-
- 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
- H05G1/26—Measuring, controlling or protecting
- H05G1/30—Controlling
- H05G1/32—Supply voltage of the X-ray apparatus or tube
-
- 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
- H05G1/26—Measuring, controlling or protecting
- H05G1/30—Controlling
- H05G1/52—Target size or shape; Direction of electron beam, e.g. in tubes with one anode and more than one cathode
-
- 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
-
- 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)
- General Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- Heart & Thoracic Surgery (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Optics & Photonics (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Toxicology (AREA)
- Pulmonology (AREA)
- Theoretical Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Engineering & Computer Science (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- X-Ray Techniques (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/300,974 US5493599A (en) | 1992-04-03 | 1994-09-06 | Off-focal radiation limiting precollimator and adjustable ring collimator for x-ray CT scanners |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69505926D1 true DE69505926D1 (de) | 1998-12-17 |
DE69505926T2 DE69505926T2 (de) | 1999-04-08 |
Family
ID=23161393
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69505926T Expired - Fee Related DE69505926T2 (de) | 1994-09-06 | 1995-07-31 | Röntgenröhrenanordnungen |
Country Status (4)
Country | Link |
---|---|
US (1) | US5493599A (de) |
EP (1) | EP0701391B1 (de) |
JP (1) | JP3726145B2 (de) |
DE (1) | DE69505926T2 (de) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2098908C1 (ru) * | 1995-03-07 | 1997-12-10 | Товарищество с ограниченной ответственностью "ПЭТРО-ФЭСТ" | Вентильный электродвигатель |
US5644614A (en) * | 1995-12-21 | 1997-07-01 | General Electric Company | Collimator for reducing patient x-ray dose |
US6320936B1 (en) | 1999-11-26 | 2001-11-20 | Parker Medical, Inc. | X-ray tube assembly with beam limiting device for reducing off-focus radiation |
JP4686009B2 (ja) * | 2000-06-22 | 2011-05-18 | 株式会社東芝 | X線コンピュータ断層撮影装置 |
CA2407004C (en) * | 2001-02-23 | 2008-02-19 | Mitsubishi Heavy Industries, Ltd. | X-ray ct apparatus |
US7072436B2 (en) * | 2001-08-24 | 2006-07-04 | The Board Of Trustees Of The Leland Stanford Junior University | Volumetric computed tomography (VCT) |
US7369669B2 (en) * | 2002-05-15 | 2008-05-06 | Micro Ear Technology, Inc. | Diotic presentation of second-order gradient directional hearing aid signals |
US7068754B2 (en) * | 2003-06-30 | 2006-06-27 | Siemens Medical Solutions Usa, Inc. | System to generate therapeutic radiation |
WO2005000121A1 (en) * | 2003-06-30 | 2005-01-06 | Koninklijke Philips Electronics N.V. | Contour and scout scanning technique for pulsed x-ray large area ct detectors |
ES2708305T3 (es) * | 2004-03-09 | 2019-04-09 | Optis Wireless Technology Llc | Procedimiento de acceso aleatorio y dispositivo terminal de radiocomunicación |
DE102004058007B4 (de) * | 2004-12-01 | 2009-02-12 | Siemens Ag | Röntgen-Computertomograf |
DE102007035177A1 (de) * | 2007-07-27 | 2009-02-05 | Siemens Ag | Computertomographie-System mit feststehendem Anodenring |
US9011001B2 (en) * | 2008-09-04 | 2015-04-21 | Koninklijke Philips N.V. | Rotating ring apparatus |
US8270563B2 (en) * | 2010-02-09 | 2012-09-18 | Aktiebolaget Skf | Diagnostic scanning apparatus |
CN103620694B (zh) | 2011-06-30 | 2016-08-17 | 皇家飞利浦有限公司 | X射线束传输分布整形器 |
EP2849650A4 (de) * | 2012-05-18 | 2016-01-20 | Carestream Health Inc | Volumetrisches bildgebungssystem für cone-beam-computertomografie |
US9538963B2 (en) | 2013-03-15 | 2017-01-10 | Aktiebolaget Skf | Diagnostic scanning apparatus |
KR101429173B1 (ko) * | 2013-08-05 | 2014-08-12 | 연세대학교 산학협력단 | 시준기 및 이를 이용한 검사 시스템 |
CN103997839B (zh) * | 2014-06-06 | 2018-03-30 | 同方威视技术股份有限公司 | 一种准直可调制的x射线发生器 |
CN107810538B (zh) * | 2015-06-29 | 2021-11-02 | 皇家飞利浦有限公司 | 用于生成和准直x射线束的系统 |
US11389126B2 (en) * | 2018-10-31 | 2022-07-19 | General Electric Company | Gantry housing, and medical apparatus |
CN209863859U (zh) * | 2019-01-29 | 2019-12-31 | 北京纳米维景科技有限公司 | 用于静态ct成像系统的前准直装置及其静态ct成像系统 |
EP3800656A1 (de) * | 2019-10-03 | 2021-04-07 | Koninklijke Philips N.V. | Streuelektroneneinfang für rotierende anodenröntgenröhren |
EP3933881A1 (de) | 2020-06-30 | 2022-01-05 | VEC Imaging GmbH & Co. KG | Röntgenquelle mit mehreren gittern |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1568782A (en) * | 1976-02-28 | 1980-06-04 | Jeol Ltd | Apparatus for obtaining an x-ray image of a slice plane of an object |
US4122346A (en) * | 1977-03-23 | 1978-10-24 | High Voltage Engineering Corporation | Optical devices for computed transaxial tomography |
DE2750551C2 (de) * | 1977-11-11 | 1985-11-21 | Siemens AG, 1000 Berlin und 8000 München | Computertomograph |
US4300051A (en) * | 1978-06-29 | 1981-11-10 | Spire Corporation | Traveling cathode X-ray source |
JPS5546408A (en) * | 1978-09-29 | 1980-04-01 | Toshiba Corp | X-ray device |
US4227088A (en) * | 1978-10-10 | 1980-10-07 | Bell Telephone Laboratories, Incorporated | High speed computer assisted tomography |
DE2850675C2 (de) * | 1978-11-22 | 1983-01-05 | Siemens AG, 1000 Berlin und 8000 München | Schichtgerät zur Herstellung von Transversalschichtbildern |
US4352021A (en) * | 1980-01-07 | 1982-09-28 | The Regents Of The University Of California | X-Ray transmission scanning system and method and electron beam X-ray scan tube for use therewith |
US4521900A (en) * | 1982-10-14 | 1985-06-04 | Imatron Associates | Electron beam control assembly and method for a scanning electron beam computed tomography scanner |
US4610021A (en) * | 1984-06-13 | 1986-09-02 | Imatron, Inc. | X-ray transmission scanning system having variable fan beam geometry |
IL88904A0 (en) * | 1989-01-06 | 1989-08-15 | Yehuda Elyada | X-ray tube apparatus |
US5179583A (en) * | 1990-04-30 | 1993-01-12 | Shimadzu Corporation | X-ray tube for ct apparatus |
DE4015180A1 (de) * | 1990-05-11 | 1991-11-28 | Bruker Analytische Messtechnik | Roentgen-computer-tomographie-system mit geteiltem detektorring |
EP0466956A1 (de) * | 1990-07-18 | 1992-01-22 | Siemens Aktiengesellschaft | Computertomograph |
US5241577A (en) * | 1992-01-06 | 1993-08-31 | Picker International, Inc. | X-ray tube with bearing slip ring |
US5200985A (en) * | 1992-01-06 | 1993-04-06 | Picker International, Inc. | X-ray tube with capacitively coupled filament drive |
US5305363A (en) * | 1992-01-06 | 1994-04-19 | Picker International, Inc. | Computerized tomographic scanner having a toroidal x-ray tube with a stationary annular anode and a rotating cathode assembly |
JP3256579B2 (ja) * | 1992-09-18 | 2002-02-12 | 株式会社島津製作所 | 回転陰極x線管装置 |
-
1994
- 1994-09-06 US US08/300,974 patent/US5493599A/en not_active Expired - Lifetime
-
1995
- 1995-07-31 DE DE69505926T patent/DE69505926T2/de not_active Expired - Fee Related
- 1995-07-31 EP EP95305316A patent/EP0701391B1/de not_active Expired - Lifetime
- 1995-08-18 JP JP23336695A patent/JP3726145B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0701391B1 (de) | 1998-11-11 |
DE69505926T2 (de) | 1999-04-08 |
JPH0888093A (ja) | 1996-04-02 |
JP3726145B2 (ja) | 2005-12-14 |
EP0701391A1 (de) | 1996-03-13 |
US5493599A (en) | 1996-02-20 |
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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: PHILIPS MEDICAL SYSTEMS (CLEVELAND), INC., CLEVELA |
|
8339 | Ceased/non-payment of the annual fee |