JP5675808B2 - 独立したx及びz方向の動的フォーカルスポット偏向を持つX線管 - Google Patents
独立したx及びz方向の動的フォーカルスポット偏向を持つX線管 Download PDFInfo
- Publication number
- JP5675808B2 JP5675808B2 JP2012524311A JP2012524311A JP5675808B2 JP 5675808 B2 JP5675808 B2 JP 5675808B2 JP 2012524311 A JP2012524311 A JP 2012524311A JP 2012524311 A JP2012524311 A JP 2012524311A JP 5675808 B2 JP5675808 B2 JP 5675808B2
- Authority
- JP
- Japan
- Prior art keywords
- ray tube
- deflection
- ray
- focal spot
- electromagnetic field
- 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.)
- Active
Links
- 238000004590 computer program Methods 0.000 claims description 16
- 238000010894 electron beam technology Methods 0.000 claims description 15
- 230000003068 static effect Effects 0.000 claims description 8
- 230000005672 electromagnetic field Effects 0.000 claims 8
- 238000001514 detection method Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 12
- 230000005855 radiation Effects 0.000 description 11
- 238000005070 sampling Methods 0.000 description 9
- 230000008901 benefit Effects 0.000 description 3
- 238000002591 computed tomography Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 230000003993 interaction Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000003936 working memory Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000005686 electrostatic field Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
Images
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
- H01J35/26—Tubes wherein the point of impact of the cathode ray on the anode or anticathode is movable relative to the surface thereof by rotation of the anode or anticathode
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J35/00—X-ray tubes
- H01J35/02—Details
- H01J35/14—Arrangements for concentrating, focusing, or directing the cathode ray
- H01J35/153—Spot position control
-
- 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]
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Engineering & Computer Science (AREA)
- Radiology & Medical Imaging (AREA)
- Molecular Biology (AREA)
- Biophysics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Optics & Photonics (AREA)
- Pathology (AREA)
- Physics & Mathematics (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- High Energy & Nuclear Physics (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- X-Ray Techniques (AREA)
- Apparatus For Radiation Diagnosis (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US23350509P | 2009-08-13 | 2009-08-13 | |
| US61/233,505 | 2009-08-13 | ||
| PCT/IB2010/053444 WO2011018729A1 (en) | 2009-08-13 | 2010-07-29 | X-ray tube with independent x- and z- dynamic focal spot deflection |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2013502033A JP2013502033A (ja) | 2013-01-17 |
| JP2013502033A5 JP2013502033A5 (enExample) | 2013-09-05 |
| JP5675808B2 true JP5675808B2 (ja) | 2015-02-25 |
Family
ID=42931823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2012524311A Active JP5675808B2 (ja) | 2009-08-13 | 2010-07-29 | 独立したx及びz方向の動的フォーカルスポット偏向を持つX線管 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20120128122A1 (enExample) |
| EP (1) | EP2465131B1 (enExample) |
| JP (1) | JP5675808B2 (enExample) |
| CN (1) | CN102473574B (enExample) |
| BR (1) | BR112012002965A2 (enExample) |
| WO (1) | WO2011018729A1 (enExample) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6104526B2 (ja) | 2011-06-28 | 2017-03-29 | 東芝メディカルシステムズ株式会社 | X線管球及びx線ct装置 |
| JP5963217B2 (ja) | 2012-06-20 | 2016-08-03 | 株式会社日立製作所 | X線ct装置 |
| WO2014057400A1 (en) * | 2012-10-12 | 2014-04-17 | Koninklijke Philips N.V. | Radiographic imaging apparatus and method |
| US20140161233A1 (en) * | 2012-12-06 | 2014-06-12 | Bruker Axs Gmbh | X-ray apparatus with deflectable electron beam |
| WO2014115625A1 (ja) | 2013-01-28 | 2014-07-31 | 株式会社日立メディコ | X線ct装置及び画像再構成方法 |
| US9709512B2 (en) * | 2013-08-29 | 2017-07-18 | University Of Utah Research Foundation | Multilevel computed tomography for radially-shifted focal spots |
| CN106488744B (zh) * | 2014-07-28 | 2019-09-24 | 株式会社日立制作所 | X射线拍摄装置以及图像重建方法 |
| DE102015015738B4 (de) * | 2014-12-16 | 2024-05-02 | Canon Electron Tubes & Devices Co., Ltd. | Röntgenstrahlröhrenanordnung |
| US11380510B2 (en) | 2016-05-16 | 2022-07-05 | Nano-X Imaging Ltd. | X-ray tube and a controller thereof |
| WO2018214027A1 (en) * | 2017-05-23 | 2018-11-29 | Shanghai United Imaging Healthcare Co., Ltd. | Systems and methods for x-ray imaging |
| CN113223911A (zh) * | 2021-04-15 | 2021-08-06 | 上海工物高技术产业发展有限公司 | 一种双能球管 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4718076A (en) * | 1983-04-22 | 1988-01-05 | Kabushiki Kaisha Toshiba | X-ray imaging apparatus |
| DE3401749A1 (de) * | 1984-01-19 | 1985-08-01 | Siemens AG, 1000 Berlin und 8000 München | Roentgendiagnostikeinrichtung mit einer roentgenroehre |
| US4688241A (en) * | 1984-03-26 | 1987-08-18 | Ridge, Inc. | Microfocus X-ray system |
| JPS61153934A (ja) * | 1984-12-27 | 1986-07-12 | Toshiba Corp | 焦点位置可変形x線管 |
| US4993055A (en) * | 1988-11-23 | 1991-02-12 | Imatron, Inc. | Rotating X-ray tube with external bearings |
| JP3030069B2 (ja) * | 1990-09-13 | 2000-04-10 | イメイトロン インコーポレーテッド | X線管 |
| DE19639920C2 (de) * | 1996-09-27 | 1999-08-26 | Siemens Ag | Röntgenröhre mit variablem Fokus |
| DE19903872C2 (de) * | 1999-02-01 | 2000-11-23 | Siemens Ag | Röntgenröhre mit Springfokus zur vergrößerten Auflösung |
| DE19953613A1 (de) * | 1999-11-08 | 2001-05-17 | Siemens Ag | CT-Gerät sowie Verfahren zum Betrieb eines CT-Geräts |
| US20030095632A1 (en) * | 2001-11-20 | 2003-05-22 | Philips Medical Systems (Cleveland), Inc. | X-ray tube cathode cup structure for focal spot deflection |
| EP2271189B1 (en) * | 2003-01-06 | 2012-03-14 | Koninklijke Philips Electronics N.V. | High speed modulation of switched-focus X-ray tube |
| US6968039B2 (en) * | 2003-08-04 | 2005-11-22 | Ge Medical Systems Global Technology Co., Llc | Focal spot position adjustment system for an imaging tube |
| CN103177919B (zh) * | 2006-10-13 | 2016-12-28 | 皇家飞利浦电子股份有限公司 | 电子光学设备、x射线发射装置及产生电子束的方法 |
| JP5426089B2 (ja) * | 2007-12-25 | 2014-02-26 | 株式会社東芝 | X線管及びx線ct装置 |
-
2010
- 2010-07-29 JP JP2012524311A patent/JP5675808B2/ja active Active
- 2010-07-29 WO PCT/IB2010/053444 patent/WO2011018729A1/en not_active Ceased
- 2010-07-29 BR BR112012002965A patent/BR112012002965A2/pt not_active IP Right Cessation
- 2010-07-29 EP EP10742905.2A patent/EP2465131B1/en active Active
- 2010-07-29 CN CN201080035507.0A patent/CN102473574B/zh not_active Ceased
- 2010-07-29 US US13/384,699 patent/US20120128122A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| EP2465131A1 (en) | 2012-06-20 |
| WO2011018729A1 (en) | 2011-02-17 |
| EP2465131B1 (en) | 2017-06-07 |
| JP2013502033A (ja) | 2013-01-17 |
| US20120128122A1 (en) | 2012-05-24 |
| BR112012002965A2 (pt) | 2019-09-24 |
| CN102473574B (zh) | 2017-12-29 |
| CN102473574A (zh) | 2012-05-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5675808B2 (ja) | 独立したx及びz方向の動的フォーカルスポット偏向を持つX線管 | |
| US20100074392A1 (en) | X-ray tube with multiple electron sources and common electron deflection unit | |
| CN101536134B (zh) | 具有多电子束操作单元的多焦斑x射线管 | |
| CN103177919B (zh) | 电子光学设备、x射线发射装置及产生电子束的方法 | |
| JP7114525B2 (ja) | 異なるエネルギーレベルおよび焦点スポット位置で撮像するように構成されたコンピュータ断層撮影システムおよび方法 | |
| US20090154649A1 (en) | X-ray tube whose electron beam is manipulated synchronously with the rotational anode movement | |
| JP2009512502A (ja) | 画像化システム及び関連する技術 | |
| JP2006516206A (ja) | 焦点をスイッチングするx線管の高速変調方法及び装置 | |
| JP2006122679A (ja) | 多重エネルギー画像を作成するための断層撮影装置および断層撮影装置のための多重エネルギー画像の作成方法 | |
| JP2009536432A (ja) | 発振アノードを備えたx線管 | |
| WO2008155695A1 (en) | Magnetic lens system for spot control in an x-ray tube | |
| JP5764143B2 (ja) | X線システム、x線システムの動作方法及びコンピュータプログラム | |
| WO2009007902A2 (en) | X-ray source for measuring radiation | |
| JP6122489B2 (ja) | X線画像装置 | |
| CN106419947B (zh) | 用于层析x射线照相组合图像采集的系统以及方法 | |
| JP2011019802A (ja) | X線ct装置 | |
| JP7673114B2 (ja) | コンピュータ断層撮影のためのシステム及び方法 | |
| WO2025071571A1 (en) | Dental tomosynthesis system using patterned exposure sequence | |
| JP2013093102A (ja) | X線管装置及びx線ct装置 | |
| JPH04141155A (ja) | X線ct |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20130722 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20130722 |
|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20140108 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20140114 |
|
| A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20140409 |
|
| A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20140416 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20140711 |
|
| TRDD | Decision of grant or rejection written | ||
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20141204 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20141224 |
|
| R150 | Certificate of patent or registration of utility model |
Ref document number: 5675808 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |