JP5111107B2 - 単一リーフx線コリメータ - Google Patents
単一リーフx線コリメータ Download PDFInfo
- Publication number
- JP5111107B2 JP5111107B2 JP2007523793A JP2007523793A JP5111107B2 JP 5111107 B2 JP5111107 B2 JP 5111107B2 JP 2007523793 A JP2007523793 A JP 2007523793A JP 2007523793 A JP2007523793 A JP 2007523793A JP 5111107 B2 JP5111107 B2 JP 5111107B2
- Authority
- JP
- Japan
- Prior art keywords
- collimation
- ray
- leaf
- auxiliary
- collimating
- 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
Classifications
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Radiation-Therapy Devices (AREA)
Description
η=画像の有用面積/同じ平面における放出面積
で与えられる。
12 X線管ヘッド
13 イメージャ
15 補助リーフ部材
16 X線ビーム
17 焦点面
111 コリメーション用開口
151 補助開口
Claims (7)
- ハウジングと、
前記ハウジング内でX線ビームをコリメートする円形の開口を有する矩形のコリメーション用部材と、
前記コリメーション用部材を、水平又は垂直のいずれかの方向において、前記X線ビームの通路に対して傾斜させる駆動手段と、
前記コリメーション用部材と組み合わさる補助リーフ部材と、
を有し、該コリメーション用部材は、水平又は垂直平面の少なくとも1つに対して回転するように構成され、前記X線ビームがほぼ楕円形にコリメートされ、
前記補助リーフ部材は、前記コリメーション用部材と組み合わさって、X線通路に沿って摺動するように構成され、
前記補助リーフ部材のサイズは、前記コリメーション用部材の全ての傾斜した位置でX線を充分に阻止するように前記コリメーション用部材よりも大きく定められる、
単一リーフ・コリメータ - 前記コリメーション用部材はX線に関して線源側とイメージャ側とを有し、前記補助リーフ部材は前記コリメーション用部材の前記線源側に配置されている、請求項1に記載の単一リーフ・コリメータ。
- 前記補助リーフ部材はX線の場のほぼ全体を覆うように構成されており、
前記補助リーフ部材は、それを通って前記コリメーション用部材へX線を通過させるように構成されており、
前記コリメーション用部材及び前記補助リーフ部材はX線減衰材料で作られている、請求項1または2に記載の単一リーフ・コリメータ。 - 前記補助リーフ部材が楕円形状の補助開口を有する、請求項1乃至3のいずれかに記載の単一リーフ・コリメータ。
- 前記駆動手段が前記補助リーフ部材上に取り付けられる、請求項1乃至4のいずれかに記載の単一リーフ・コリメータ。
- 前記駆動手段が前記ハウジング内に配置されている、請求項5に記載の単一リーフ・コリメータ。
- 前記駆動手段は、流体圧又は空気圧式作動器又は直流サーボモータを含む、請求項1乃至6のいずれかに記載の単一リーフ・コリメータ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/900,799 US7310410B2 (en) | 2004-07-28 | 2004-07-28 | Single-leaf X-ray collimator |
US10/900,799 | 2004-07-28 | ||
PCT/US2005/026709 WO2006015077A1 (en) | 2004-07-28 | 2005-07-28 | Single-leaf x-ray collimator |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2008508050A JP2008508050A (ja) | 2008-03-21 |
JP2008508050A5 JP2008508050A5 (ja) | 2008-09-11 |
JP5111107B2 true JP5111107B2 (ja) | 2012-12-26 |
Family
ID=35453449
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007523793A Expired - Fee Related JP5111107B2 (ja) | 2004-07-28 | 2005-07-28 | 単一リーフx線コリメータ |
Country Status (4)
Country | Link |
---|---|
US (1) | US7310410B2 (ja) |
JP (1) | JP5111107B2 (ja) |
DE (1) | DE112005001757B4 (ja) |
WO (1) | WO2006015077A1 (ja) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2544187A3 (en) * | 2005-07-27 | 2013-09-04 | Mallinckrodt LLC | Radiation-shielding assemblies and methods of using the same |
US7590219B2 (en) * | 2006-04-07 | 2009-09-15 | Accuray Incorporated | Automatically determining a beam parameter for radiation treatment planning |
US8017915B2 (en) | 2008-03-14 | 2011-09-13 | Reflexion Medical, Inc. | Method and apparatus for emission guided radiation therapy |
US8280001B2 (en) * | 2010-03-13 | 2012-10-02 | Xcision Medical Systems Llc | Radiation sculpting by coordinating rotation of fixed beams and motion of patient support system |
EP2691971B1 (en) | 2011-03-31 | 2018-04-25 | RefleXion Medical Inc. | Systems and methods for use in emission guided radiation therapy |
EP2564786A1 (en) | 2011-08-31 | 2013-03-06 | General Electric Company | Method for automatic contour filter positioning for medical X-ray imaging |
US9627098B2 (en) * | 2013-03-14 | 2017-04-18 | Varex Imaging Corporation | Real-time moving collimators made with X-ray filtering material |
WO2014153561A1 (en) * | 2013-03-22 | 2014-09-25 | New York University | Computer accessible medium for modulating x-ray beam intensity |
DE102014104758B4 (de) | 2013-04-12 | 2019-12-05 | Synopsys, Inc. | Phasenregelkreis und Verfahren zum Betreiben eines Phasenregelkreises |
CN107924730B (zh) | 2015-06-10 | 2021-09-28 | 反射医疗公司 | 高带宽双态多叶式准直器设计 |
WO2017156316A1 (en) | 2016-03-09 | 2017-09-14 | Reflexion Medical, Inc. | Fluence map generation methods for radiotherapy |
JP7178714B2 (ja) | 2016-11-15 | 2022-11-28 | リフレクション メディカル, インコーポレイテッド | 放射線療法患者プラットフォーム |
EP3988017A1 (en) | 2016-11-15 | 2022-04-27 | RefleXion Medical, Inc. | System for emission-guided high-energy photon delivery |
WO2018093849A1 (en) | 2016-11-15 | 2018-05-24 | Reflexion Medical, Inc. | Methods for radiation delivery in emission-guided radiotherapy |
WO2018183748A1 (en) | 2017-03-30 | 2018-10-04 | Reflexion Medical, Inc. | Radiation therapy systems and methods with tumor tracking |
IT201700046573A1 (it) * | 2017-04-28 | 2018-10-28 | General Medical Merate S P A | Collimatore ed apparecchiatura radiologica |
EP4342521A3 (en) | 2017-07-11 | 2024-05-08 | RefleXion Medical Inc. | Methods for pet detector afterglow management |
US10603515B2 (en) | 2017-08-09 | 2020-03-31 | Reflexion Medical, Inc. | Systems and methods for fault detection in emission-guided radiotherapy |
WO2019099551A1 (en) | 2017-11-14 | 2019-05-23 | Reflexion Medical, Inc. | Systems and methods for patient monitoring for radiotherapy |
Family Cites Families (24)
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JP4054402B2 (ja) * | 1997-04-25 | 2008-02-27 | 株式会社東芝 | X線断層撮影装置 |
US3411000A (en) * | 1965-04-14 | 1968-11-12 | Siemens Ag | X-ray diffractometer diaphragm which is synchronously rotated with the specimen |
US3852594A (en) * | 1973-07-25 | 1974-12-03 | Pepi Inc | X-ray diffraction apparatus |
US4017403A (en) * | 1974-07-31 | 1977-04-12 | United Kingdom Atomic Energy Authority | Ion beam separators |
FR2398487A1 (fr) * | 1977-07-29 | 1979-02-23 | Radiologie Cie Gle | Appareil radiologique pour tomographie axiale transverse |
NL7803026A (nl) * | 1978-03-21 | 1979-09-25 | Philips Nv | Instelmechanisme. |
FI64999C (fi) * | 1980-09-22 | 1984-02-10 | Instrumentarium Oy | Spaltkollimator foer panoramaroentgenavbildningsanordning |
US4875226A (en) * | 1988-04-21 | 1989-10-17 | University Of Rochester | X-ray machine |
US5054041A (en) * | 1990-03-19 | 1991-10-01 | General Electric Company | High precision x-ray collimator |
DE4207006C2 (de) * | 1992-03-05 | 1994-07-14 | Siemens Ag | Computertomograph |
JP3149268B2 (ja) * | 1992-04-30 | 2001-03-26 | 株式会社モリタ製作所 | 平面断層撮影機能付き曲面断層x線撮影装置 |
GB9226773D0 (en) * | 1992-12-23 | 1993-02-17 | Wes Technology Inc | Hydraulic actuator for isolators |
US5912541C1 (en) * | 1994-11-30 | 2002-06-11 | Animatics Corp | Integrated servo motor and controller |
JPH10153697A (ja) * | 1996-11-26 | 1998-06-09 | Nissan Motor Co Ltd | X線絞り用コリメータ |
JPH10160688A (ja) * | 1996-12-04 | 1998-06-19 | Rigaku Corp | 単結晶インゴットのx線トポグラフィー方法および装置 |
DE19852955C2 (de) * | 1998-11-17 | 2000-08-31 | Bruker Axs Analytical X Ray Sy | Röntgenanalysegerät mit röntgenoptischem Halbleiterbauelement |
US6320936B1 (en) * | 1999-11-26 | 2001-11-20 | Parker Medical, Inc. | X-ray tube assembly with beam limiting device for reducing off-focus radiation |
AU2001229017A1 (en) * | 2000-01-24 | 2001-07-31 | Mamea Imaging Ab | Method and arrangement for variable exposure of x-ray detector |
JP4737793B2 (ja) * | 2000-03-17 | 2011-08-03 | 株式会社東芝 | X線診断装置 |
US6757355B1 (en) * | 2000-08-17 | 2004-06-29 | Siemens Medical Solutions Usa, Inc. | High definition radiation treatment with an intensity modulating multi-leaf collimator |
US6814489B2 (en) * | 2001-11-23 | 2004-11-09 | Ge Medical Systems Global Technology Company, Llc | 3D reconstruction system and method utilizing a variable X-ray source to image distance |
JP3599049B2 (ja) | 2002-07-23 | 2004-12-08 | 敬 盛武 | X線遮蔽装置 |
US7160475B2 (en) * | 2002-11-21 | 2007-01-09 | Fei Company | Fabrication of three dimensional structures |
DE10259696B4 (de) | 2002-12-18 | 2018-07-05 | Immobiliengesellschaft Helmut Fischer Gmbh & Co. Kg | Vorrichtung zum Messen der Dicke dünner Schichten |
-
2004
- 2004-07-28 US US10/900,799 patent/US7310410B2/en not_active Expired - Lifetime
-
2005
- 2005-07-28 WO PCT/US2005/026709 patent/WO2006015077A1/en active Application Filing
- 2005-07-28 JP JP2007523793A patent/JP5111107B2/ja not_active Expired - Fee Related
- 2005-07-28 DE DE112005001757.5T patent/DE112005001757B4/de active Active
Also Published As
Publication number | Publication date |
---|---|
JP2008508050A (ja) | 2008-03-21 |
US20060023842A1 (en) | 2006-02-02 |
WO2006015077A1 (en) | 2006-02-09 |
US7310410B2 (en) | 2007-12-18 |
DE112005001757B4 (de) | 2018-08-30 |
DE112005001757T5 (de) | 2007-07-12 |
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