NL9100019A - Roentgenonderzoekapparaat. - Google Patents
Roentgenonderzoekapparaat. Download PDFInfo
- Publication number
- NL9100019A NL9100019A NL9100019A NL9100019A NL9100019A NL 9100019 A NL9100019 A NL 9100019A NL 9100019 A NL9100019 A NL 9100019A NL 9100019 A NL9100019 A NL 9100019A NL 9100019 A NL9100019 A NL 9100019A
- Authority
- NL
- Netherlands
- Prior art keywords
- ray
- absorption
- image
- plane
- examination apparatus
- Prior art date
Links
- 238000010521 absorption reaction Methods 0.000 claims description 43
- 238000001514 detection method Methods 0.000 claims description 6
- 238000002835 absorbance Methods 0.000 claims description 5
- 238000003384 imaging method Methods 0.000 claims description 2
- 230000004907 flux Effects 0.000 description 15
- 230000002745 absorbent Effects 0.000 description 11
- 239000002250 absorbent Substances 0.000 description 11
- 230000005855 radiation Effects 0.000 description 11
- 239000006096 absorbing agent Substances 0.000 description 5
- 230000003993 interaction Effects 0.000 description 4
- 210000000056 organ Anatomy 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 229920005439 Perspex® Polymers 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 2
- 230000004313 glare Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000004926 polymethyl methacrylate Substances 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 208000037063 Thinness Diseases 0.000 description 1
- 238000002583 angiography Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000002594 fluoroscopy Methods 0.000 description 1
- 238000003709 image segmentation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000191 radiation effect Effects 0.000 description 1
- 230000005945 translocation Effects 0.000 description 1
- 206010048828 underweight Diseases 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- A61B6/54—Control of apparatus or devices for radiation diagnosis
- A61B6/542—Control of apparatus or devices for radiation diagnosis involving control of exposure
-
- 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
- A61B6/42—Arrangements for detecting radiation specially adapted for radiation diagnosis
- A61B6/4291—Arrangements for detecting radiation specially adapted for radiation diagnosis the detector being combined with a grid or grating
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Engineering & Computer Science (AREA)
- Radiology & Medical Imaging (AREA)
- Biomedical Technology (AREA)
- Biophysics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Optics & Photonics (AREA)
- Pathology (AREA)
- Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Apparatus For Radiation Diagnosis (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL9100019A NL9100019A (nl) | 1991-01-09 | 1991-01-09 | Roentgenonderzoekapparaat. |
US07/815,687 US5287396A (en) | 1991-01-09 | 1991-12-31 | X-ray examination apparatus |
EP92200007A EP0496438B1 (de) | 1991-01-09 | 1992-01-03 | Röntgenuntersuchungsapparat |
DE69218808T DE69218808T2 (de) | 1991-01-09 | 1992-01-03 | Röntgenuntersuchungsapparat |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL9100019A NL9100019A (nl) | 1991-01-09 | 1991-01-09 | Roentgenonderzoekapparaat. |
NL9100019 | 1991-01-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
NL9100019A true NL9100019A (nl) | 1992-08-03 |
Family
ID=19858701
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL9100019A NL9100019A (nl) | 1991-01-09 | 1991-01-09 | Roentgenonderzoekapparaat. |
Country Status (4)
Country | Link |
---|---|
US (1) | US5287396A (de) |
EP (1) | EP0496438B1 (de) |
DE (1) | DE69218808T2 (de) |
NL (1) | NL9100019A (de) |
Families Citing this family (50)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2700259A1 (fr) * | 1993-01-13 | 1994-07-13 | Gen Electric Cgr | Dispositif automatique de collimation d'un faisceau de rayons X d'un scanner et procédé de mise en Óoeuvre. |
EP0627198B1 (de) * | 1993-03-12 | 1999-01-07 | Koninklijke Philips Electronics N.V. | Röntgen-Untersuchungsgerät |
DE69415725T2 (de) * | 1993-03-12 | 1999-07-22 | Koninklijke Philips Electronics N.V., Eindhoven | Röntgen-Untersuchungsgerät |
FR2705222B1 (fr) * | 1993-05-18 | 1995-08-11 | Ge Medical Syst Sa | Dispositif de conformation de champ asservi à la position angulaire du faisceau d'un système d'imagerie à rayons X. |
DE4328783C2 (de) * | 1993-08-26 | 1996-05-15 | Siemens Ag | Röntgendiagnostikeinrichtung |
US5432834A (en) * | 1993-11-22 | 1995-07-11 | Hologic, Inc. | Whole-body dual-energy bone densitometry using a narrow angle fan beam to cover the entire body in successive scans |
US6217214B1 (en) | 1993-11-22 | 2001-04-17 | Hologic, Inc. | X-ray bone densitometry apparatus |
JPH07250827A (ja) * | 1994-03-11 | 1995-10-03 | Hitachi Medical Corp | X線画像診断装置 |
US5734739A (en) * | 1994-05-31 | 1998-03-31 | University Of Washington | Method for determining the contour of an in vivo organ using multiple image frames of the organ |
WO1996007128A1 (en) * | 1994-09-01 | 1996-03-07 | Philips Electronics N.V. | Drive and x-ray device comprising such a drive |
WO1996015723A1 (en) * | 1994-11-21 | 1996-05-30 | Philips Electronics N.V. | X-ray examination apparatus comprising a beam diaphragm |
DE69531395T2 (de) * | 1994-12-23 | 2004-04-15 | Koninklijke Philips Electronics N.V. | Röntgenuntersuchungsapparat mit einer belichtungssteuerschaltung |
DE19534292C2 (de) * | 1995-09-15 | 2000-02-17 | Siemens Ag | Röntgenstrahlenfilter |
US5680435A (en) * | 1995-09-22 | 1997-10-21 | Siemens Aktiengesellschaft | X-ray diagnostic apparatus with a filter device |
NL1004862C2 (nl) | 1996-12-20 | 1998-06-23 | Sven Ploem | Elektromagnetische flux-moderator. |
DE19702739A1 (de) * | 1997-01-27 | 1998-07-30 | Philips Patentverwaltung | Röntgeneinrichtung mit einer Primärblendenanordnung |
SE9700277D0 (sv) * | 1997-01-30 | 1997-01-30 | Siemens Elema Ab | Röntgenfotografeingsanordning |
US6055295A (en) * | 1998-01-29 | 2000-04-25 | Siemens Corporate Research, Inc. | Method and apparatus for automatic collimation in x-ray peripheral imaging |
WO2000060908A1 (en) | 1999-04-02 | 2000-10-12 | Koninklijke Philips Electronics N.V. | X-ray examination apparatus with a brightness control system |
EP1062913A1 (de) * | 1999-06-25 | 2000-12-27 | DDI Direct Digital Imaging GmbH | Röntgen-Bilderzeugung mittels Photographie und digitaler Abtastung |
JP4273594B2 (ja) * | 1999-10-13 | 2009-06-03 | 株式会社島津製作所 | X線透視撮影台 |
DE19962281A1 (de) * | 1999-12-23 | 2001-06-28 | Philips Corp Intellectual Pty | Röntgenuntersuchungsgerät |
US7010094B2 (en) * | 2000-02-10 | 2006-03-07 | American Science And Engineering, Inc. | X-ray inspection using spatially and spectrally tailored beams |
US7538325B2 (en) | 2000-02-10 | 2009-05-26 | American Science And Engineering, Inc. | Single-pulse-switched multiple energy X-ray source applications |
DE10222397A1 (de) * | 2002-05-21 | 2003-12-04 | Siemens Ag | Verfahren zur Blendenregelung eines Computertomographen und Computertomograph |
US6778636B1 (en) * | 2002-06-06 | 2004-08-17 | Varian Medical Systems, Inc. | Adjustable x-ray beam collimator for an x-ray tube |
US6954516B2 (en) * | 2003-03-14 | 2005-10-11 | Ge Medical Systems Global Technology Company, Llc | Imaging systems and methods |
FR2853772B1 (fr) * | 2003-04-08 | 2005-07-01 | Production Et De Rech S Appliq | Controle de l'uniformite spatio-temporelle du faisceau d'un laser a gaz pulse |
CN1829476B (zh) * | 2003-07-30 | 2012-08-01 | 皇家飞利浦电子股份有限公司 | 具有可自动调节准直器的x射线单元 |
CN1603946A (zh) * | 2003-09-29 | 2005-04-06 | Ge医疗系统环球技术有限公司 | X射线光阑、x射线辐照器及x射线装置 |
US7076029B2 (en) * | 2003-10-27 | 2006-07-11 | General Electric Company | Method and apparatus of radiographic imaging with an energy beam tailored for a subject to be scanned |
US7453987B1 (en) * | 2004-03-04 | 2008-11-18 | Science Applications International Corporation | Method and system for high energy, low radiation power X-ray imaging of the contents of a target |
US7133492B2 (en) * | 2004-03-30 | 2006-11-07 | Siemens Medical Solutions Usa, Inc. | Method for reducing radiation exposure during patient positioning |
US20060241370A1 (en) * | 2005-03-30 | 2006-10-26 | George Kramp | Medical x-ray imaging workflow improvement |
CN100538496C (zh) * | 2004-10-15 | 2009-09-09 | Ge医疗系统环球技术有限公司 | 光束光阑和x-射线成像装置 |
US20070036266A1 (en) * | 2005-03-29 | 2007-02-15 | George Kramp | Medical x-ray imaging workflow improvement |
CN100582757C (zh) * | 2005-07-22 | 2010-01-20 | 同方威视技术股份有限公司 | 一种用于集装箱检查系统的准直与校正一体装置 |
DE102005037427A1 (de) * | 2005-08-08 | 2007-02-15 | Siemens Ag | Verfahren zur Erfassung und Auswertung von vaskulären Untersuchungsdaten |
DE102006006041A1 (de) * | 2006-02-09 | 2007-08-23 | Siemens Ag | Verfahren und Vorrichtung zur Darstellung eines zu untersuchenden Bereichs eines Untersuchungsobjekts |
DE102007019334A1 (de) * | 2007-04-24 | 2008-11-06 | Siemens Ag | Blendeneinrichtung für eine zur Abtastung eines Objekts vorgesehene Röntgenvorrichtung, Röntgenvorrichtung zur Abtastung eines Objektes und Verfahren zur Generierung einer Bildinformation eines Objekts mittels einer Röntgenvorrichtung |
US8314394B1 (en) | 2009-11-04 | 2012-11-20 | Science Applications International Corporation | System and method for three-dimensional imaging using scattering from annihilation coincidence photons |
EP2552319B1 (de) | 2010-03-31 | 2020-10-28 | Koninklijke Philips N.V. | Automatische positionierung eines absorptionsmittels in einer röntgenbilderfassung |
CA2837791C (en) | 2011-06-01 | 2019-08-13 | Total Sa | An x-ray tomography device |
US9841388B2 (en) * | 2011-06-01 | 2017-12-12 | Total Sa | X-ray tomography device |
EP2564786A1 (de) * | 2011-08-31 | 2013-03-06 | General Electric Company | Verfahren zur automatischen Konturfilterpositionierung für medizinischen Röntgenbildgebung |
WO2014087283A1 (en) * | 2012-12-03 | 2014-06-12 | Koninklijke Philips N.V. | Translating x-ray beam transmission profile shaper |
US9566040B2 (en) * | 2014-05-14 | 2017-02-14 | Swissray Asia Healthcare Co., Ltd. | Automatic collimator adjustment device with depth camera and method for medical treatment equipment |
CN105675042B (zh) * | 2015-12-28 | 2018-08-10 | 同方威视技术股份有限公司 | 射线标定装置及其操作方法、辐射成像系统及其操作方法 |
CN109432611B (zh) * | 2018-10-18 | 2021-02-12 | 北京连心医疗科技有限公司 | 扩充型动态楔形板控制点的生成方法、设备和存储介质 |
CN115656238B (zh) * | 2022-10-17 | 2023-05-12 | 中国科学院高能物理研究所 | 一种微区xrf元素分析与多维成像方法及系统 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE347859B (de) * | 1970-11-30 | 1972-08-14 | Medinova Ab | |
US4442489A (en) * | 1979-06-16 | 1984-04-10 | U.S. Philips Corporation | Device for computed tomography |
DE2924423A1 (de) * | 1979-06-16 | 1980-12-18 | Philips Patentverwaltung | Verfahren zur ermittlung der raeumlichen verteilung der absorption von strahlung in einem ebenen bereich |
FR2561516B1 (fr) * | 1984-03-20 | 1988-03-04 | Thomson Cgr | Installation de radiologie a filtre compensateur |
DE8436281U1 (de) * | 1984-12-11 | 1986-04-10 | Siemens AG, 1000 Berlin und 8000 München | Primärstrahlenblende für Röntgenuntersuchungsgeräte |
DE3621868A1 (de) * | 1986-06-30 | 1988-01-14 | Siemens Ag | Roentgendiagnostikeinrichtung mit einer blende |
EP0309813B1 (de) * | 1987-09-28 | 1992-12-09 | Siemens Aktiengesellschaft | Röntgendiagnostikeinrichtung |
JPH0763512B2 (ja) * | 1990-07-09 | 1995-07-12 | 三菱電機株式会社 | 放射線照射野限定装置 |
-
1991
- 1991-01-09 NL NL9100019A patent/NL9100019A/nl not_active Application Discontinuation
- 1991-12-31 US US07/815,687 patent/US5287396A/en not_active Expired - Fee Related
-
1992
- 1992-01-03 DE DE69218808T patent/DE69218808T2/de not_active Expired - Fee Related
- 1992-01-03 EP EP92200007A patent/EP0496438B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US5287396A (en) | 1994-02-15 |
EP0496438A1 (de) | 1992-07-29 |
DE69218808D1 (de) | 1997-05-15 |
DE69218808T2 (de) | 1997-11-20 |
EP0496438B1 (de) | 1997-04-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A1B | A search report has been drawn up | ||
BV | The patent application has lapsed |