JP6014323B2 - X線システム - Google Patents
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- JP6014323B2 JP6014323B2 JP2011275139A JP2011275139A JP6014323B2 JP 6014323 B2 JP6014323 B2 JP 6014323B2 JP 2011275139 A JP2011275139 A JP 2011275139A JP 2011275139 A JP2011275139 A JP 2011275139A JP 6014323 B2 JP6014323 B2 JP 6014323B2
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- 238000010894 electron beam technology Methods 0.000 claims description 54
- 238000002591 computed tomography Methods 0.000 claims description 28
- 238000003384 imaging method Methods 0.000 claims description 22
- 238000001914 filtration Methods 0.000 claims description 21
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- 238000001228 spectrum Methods 0.000 description 21
- 230000005855 radiation Effects 0.000 description 20
- 230000009977 dual effect Effects 0.000 description 18
- 238000013170 computed tomography imaging Methods 0.000 description 13
- 238000012545 processing Methods 0.000 description 8
- 238000002083 X-ray spectrum Methods 0.000 description 7
- 238000002601 radiography Methods 0.000 description 6
- 230000002238 attenuated effect Effects 0.000 description 5
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- 238000002600 positron emission tomography Methods 0.000 description 1
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- 238000002603 single-photon emission computed tomography Methods 0.000 description 1
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Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J35/00—X-ray tubes
- H01J35/02—Details
- H01J35/04—Electrodes ; Mutual position thereof; Constructional adaptations therefor
- H01J35/08—Anodes; Anti cathodes
- H01J35/10—Rotary anodes; Arrangements for rotating anodes; Cooling rotary anodes
-
- 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
- A61B6/02—Devices for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
- A61B6/027—Devices for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis characterised by the use of a particular data acquisition trajectory, e.g. helical or spiral
-
- 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
- A61B6/02—Devices for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
- A61B6/03—Computerised tomographs
- A61B6/032—Transmission computed tomography [CT]
-
- 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
- A61B6/40—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for generating radiation specially adapted for radiation diagnosis
- A61B6/4021—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for generating radiation specially adapted for radiation diagnosis involving movement of the focal spot
-
- 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
- A61B6/40—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for generating radiation specially adapted for radiation diagnosis
- A61B6/4021—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for generating radiation specially adapted for radiation diagnosis involving movement of the focal spot
- A61B6/4028—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with 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 for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/40—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for generating radiation specially adapted for radiation diagnosis
- A61B6/4064—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for generating radiation specially adapted for radiation diagnosis specially adapted for producing a particular type of beam
- A61B6/4078—Fan-beams
-
- 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
- A61B6/42—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for detecting radiation specially adapted for radiation diagnosis
- A61B6/4208—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector
- A61B6/4233—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector using matrix detectors
-
- 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
- A61B6/48—Diagnostic techniques
- A61B6/482—Diagnostic techniques involving multiple energy imaging
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2235/00—X-ray tubes
- H01J2235/08—Targets (anodes) and X-ray converters
- H01J2235/081—Target material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2235/00—X-ray tubes
- H01J2235/08—Targets (anodes) and X-ray converters
- H01J2235/086—Target geometry
Description
12:放出器
18、20:電子ビーム
22:軸
24、26:区域
28:陽極
36:コンピュータ
60:X線管
62、64:焦点スポット
66:電子ビーム
68:陰極
70:ターゲット
72:陽極
74:筐体
76:傾斜部分
78:ターゲット表面
80:旋回点
90、92:焦点スポット
902、904:電圧
906:持続時間
908、910:時刻
912:ビュー
914:持続時間
916、918:時刻
920:ビュー
922:持続時間
924、926:時刻
928:ビュー
930:移行
932:ビュー
934、936:時刻
938:点
940:ビュー
942:時刻
1002、1004、1102:曲線
1210:CTイメージング・システム
1212:ガントリ
1214:放射線源
1216:コーン・ビーム
1218:マルチ・スライス検出器アレイ
1220:素子
1222:患者
1224:回転中心
1226:制御機構
1228:放射線制御器
1230:ガントリ・モータ制御器
1232:DAS
1234:再構成器
1236:コンピュータ
1238:大容量記憶装置
1240:コンソール
1242:表示システム
1244:テーブル・モータ制御器
1246:電動テーブル
1248:ガントリ開口
1250:装置
1252:コンピュータ可読の媒体
1322:患者
1348:ガントリ開口
Claims (12)
- 場を発生するように構成されている場発生器(14、16)と、
ターゲットへ向けられる電子ビームを発生するように構成されている電子ビーム発生器(60)と、
第一のエネルギ・レベルの電子ビーム(18)及び第二のエネルギ・レベルの電子ビーム(20)を発生するために前記電子ビーム発生器を制御するように構成されている電圧制御器(1228)と、
前記電子ビームの少なくとも一つを偏向させるために場を制御するように構成されている場発生器制御器(14、16)と
を備えたX線システム(10)であって、前記電子ビーム(22)は、前記第一のエネルギ・レベル(18)では第一の接触位置(24)において前記ターゲット(28)に衝突し、前記第二のエネルギ・レベル(20)では第二の接触位置(26)において前記ターゲットに衝突し、前記ターゲットは、前記第一の接触位置(24)及び前記第二の接触位置(26)においてX線を濾波するように構成され、
前記ターゲットは、前記第一の接触位置(24)からのX線と前記第二の接触位置(26)からのX線との間隔を変化させるように回転される、X線システム(10)。 - 前記ターゲット(28)は、第一の低エネルギの電子ビーム(18)では低エネルギX線の第一の濾波を提供し、第二の高エネルギの電子ビーム(20)では高エネルギX線の第二の濾波を提供するように構成されており、前記第一の濾波は前記第二の濾波よりも少ない、請求項1に記載のX線システム(10)。
- 前記電圧制御器(1228)は、1秒間未満の時間内に第一の電圧から第二の電圧まで移行するように構成されている、請求項1または2に記載のX線システム(10)。
- 前記第一の接触位置(24)及び前記第二の接触位置(26)は異なるターゲット材料又は異なるターゲット角度又は異なる厚みの少なくとも一つを有する、請求項1乃至3のいずれかに記載のX線システム(10)。
- 前記第一の電圧は約60kVpと約80kVpとの間にあり、
前記第二の電圧は約110kVpと約160kVpとの間にある、請求項3に記載のX線システム(10)。 - 前記場発生器(14、16)と、前記電子ビーム発生器(60)と、前記ターゲットとを備えるX線管(60)と、
前記X線管(60)を回転させるモータと、
を備える、請求項1乃至5のいずれかに記載のX線システム(10)。 - 計算機式断層写真法(CT)イメージング・システムとして構成される、請求項6に記載のX線システム(10)。
- z軸に沿って並進するテーブル(1246)と、
前記X線管(60)及び検出器を有するガントリとを備える、請求項7に記載のX線システム(10)。 - 前記z軸方向及び該z軸方向に垂直なx軸方向での付加的な焦点スポット偏向を用いて前記x軸方向及び前記z軸方向における交差標本を生成する、請求項8に記載のX線システム(10)。
- 走査時に、前記テーブル(1246)が並進する間に、前記X線管(60)の回転が動的に調節される、し請求項8または9に記載のX線システム(10)。
- 前記第一の低エネルギの電子ビーム(18)に対応する低エネルギX線データと前記第二の高エネルギの電子ビーム(20)に対応する高エネルギX線データが同種に収集される、請求項2に記載のX線システム(10)。
- 前記電子ビーム(20)は、前記第一の接触位置(24)と前記第二の接触位置(26)との間で、1秒未満の時間内に偏向される、請求項1乃至11のいずれかに記載のX線システム(10)。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/976,950 US8483361B2 (en) | 2010-12-22 | 2010-12-22 | Anode target for an x-ray tube and method for controlling the x-ray tube |
US12/976,950 | 2010-12-22 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2012130687A JP2012130687A (ja) | 2012-07-12 |
JP2012130687A5 JP2012130687A5 (ja) | 2015-01-29 |
JP6014323B2 true JP6014323B2 (ja) | 2016-10-25 |
Family
ID=46316805
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011275139A Active JP6014323B2 (ja) | 2010-12-22 | 2011-12-16 | X線システム |
Country Status (3)
Country | Link |
---|---|
US (1) | US8483361B2 (ja) |
JP (1) | JP6014323B2 (ja) |
DE (1) | DE102011056641A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11382574B2 (en) | 2017-11-06 | 2022-07-12 | Rensselaer Polytechnic Institute | Stationary in-vivo grating-enabled micro-CT architecture (sigma) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
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US9424958B2 (en) * | 2011-06-06 | 2016-08-23 | Koninklijke Philips N.V. | Multiple focal spot X-ray radiation filtering |
CN103430630B (zh) * | 2011-06-28 | 2016-01-20 | 株式会社东芝 | X射线管球以及x射线ct装置 |
WO2014064748A1 (ja) * | 2012-10-22 | 2014-05-01 | 株式会社島津製作所 | X線管装置 |
US9153407B2 (en) * | 2012-12-07 | 2015-10-06 | Electronics And Telecommunications Research Institute | X-ray tube |
DE102013206252A1 (de) * | 2013-04-09 | 2014-10-09 | Helmholtz-Zentrum Dresden - Rossendorf E.V. | Anordnung zur schnellen Elektronenstrahl-Röntgencomputertomographie |
US9709512B2 (en) * | 2013-08-29 | 2017-07-18 | University Of Utah Research Foundation | Multilevel computed tomography for radially-shifted focal spots |
US9204852B2 (en) | 2013-12-31 | 2015-12-08 | General Electric Company | Systems and methods for increased energy separation in multi-energy X-ray imaging |
JP2015180859A (ja) * | 2014-03-05 | 2015-10-15 | 株式会社東芝 | フォトンカウンティングct装置 |
US9976971B2 (en) * | 2014-03-06 | 2018-05-22 | United Technologies Corporation | Systems and methods for X-ray diffraction |
TWI629474B (zh) * | 2014-05-23 | 2018-07-11 | 財團法人工業技術研究院 | X光光源以及x光成像的方法 |
US10357222B2 (en) * | 2014-12-26 | 2019-07-23 | Hitachi, Ltd. | X-ray diagnostic imaging apparatus, monitoring server and anomaly detection method |
DE102015201375A1 (de) * | 2015-01-27 | 2016-07-28 | Siemens Aktiengesellschaft | Vorrichtung zur Erzeugung von Röntgenstrahlung in einem äußeren Magnetfeld |
WO2016190219A1 (ja) * | 2015-05-28 | 2016-12-01 | 株式会社日立製作所 | X線画像生成装置およびその制御方法 |
CN105181723B (zh) * | 2015-09-28 | 2019-02-12 | 同方威视技术股份有限公司 | 双能射线扫描系统、扫描方法以及检查系统 |
US10165996B2 (en) * | 2015-09-30 | 2019-01-01 | General Electric Company | Systems and methods for dual-energy computed tomography imaging |
US11282668B2 (en) * | 2016-03-31 | 2022-03-22 | Nano-X Imaging Ltd. | X-ray tube and a controller thereof |
US10610173B2 (en) * | 2018-01-16 | 2020-04-07 | General Electric Company | System and method to improve spatial resolution in computed tomography |
US10748735B2 (en) * | 2018-03-29 | 2020-08-18 | The Boeing Company | Multi-spectral X-ray target and source |
US10893839B2 (en) | 2018-06-06 | 2021-01-19 | General Electric Company | Computed tomography system and method configured to image at different energy levels and focal spot positions |
US11315751B2 (en) * | 2019-04-25 | 2022-04-26 | The Boeing Company | Electromagnetic X-ray control |
US11963284B2 (en) | 2019-05-14 | 2024-04-16 | Koninklijke Philips N.V. | Maintaining a given focal spot size during a kVp switched spectral (multi-energy) imaging scan |
RU2716275C1 (ru) * | 2019-06-05 | 2020-03-11 | Акционерное общество «Обнинское научно-производственное предприятие «Технология» им. А.Г.Ромашина» | Широкодиапазонная рентгеновская трубка |
CN110265277A (zh) * | 2019-07-12 | 2019-09-20 | 明峰医疗系统股份有限公司 | 一种x射线管及无需跳过时间的控制方法 |
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CN110477943A (zh) * | 2019-08-26 | 2019-11-22 | 广东明峰医疗科技有限公司 | 一种利用飞焦点方式实现双能ct的设备和方法 |
CN110664420B (zh) * | 2019-10-11 | 2023-04-07 | 上海联影医疗科技股份有限公司 | 焦点校正方法、装置、计算机设备和计算机可读存储介质 |
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JP2008154718A (ja) * | 2006-12-22 | 2008-07-10 | Ge Medical Systems Global Technology Co Llc | 放射線断層撮影装置 |
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-
2010
- 2010-12-22 US US12/976,950 patent/US8483361B2/en active Active
-
2011
- 2011-12-16 JP JP2011275139A patent/JP6014323B2/ja active Active
- 2011-12-19 DE DE102011056641A patent/DE102011056641A1/de not_active Withdrawn
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11382574B2 (en) | 2017-11-06 | 2022-07-12 | Rensselaer Polytechnic Institute | Stationary in-vivo grating-enabled micro-CT architecture (sigma) |
Also Published As
Publication number | Publication date |
---|---|
US20120163530A1 (en) | 2012-06-28 |
DE102011056641A1 (de) | 2012-06-28 |
JP2012130687A (ja) | 2012-07-12 |
US8483361B2 (en) | 2013-07-09 |
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