JP5902680B2 - 調整可能な動的x線フィルター - Google Patents
調整可能な動的x線フィルター Download PDFInfo
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- JP5902680B2 JP5902680B2 JP2013516621A JP2013516621A JP5902680B2 JP 5902680 B2 JP5902680 B2 JP 5902680B2 JP 2013516621 A JP2013516621 A JP 2013516621A JP 2013516621 A JP2013516621 A JP 2013516621A JP 5902680 B2 JP5902680 B2 JP 5902680B2
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- 230000005855 radiation Effects 0.000 claims description 27
- 239000000463 material Substances 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 7
- 230000007246 mechanism Effects 0.000 claims description 3
- 230000004044 response Effects 0.000 claims description 2
- 238000002601 radiography Methods 0.000 description 8
- 230000005672 electromagnetic field Effects 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 238000003384 imaging method Methods 0.000 description 4
- 238000002834 transmittance Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000002594 fluoroscopy Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000009607 mammography Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- DERRCVPMYGOTDB-UHFFFAOYSA-M P.[I-].I.I.I.[Cs+] Chemical compound P.[I-].I.I.I.[Cs+] DERRCVPMYGOTDB-UHFFFAOYSA-M 0.000 description 1
- 208000032369 Primary transmission Diseases 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 229910021417 amorphous silicon Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- 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
- A61B6/547—Control of apparatus or devices for radiation diagnosis involving tracking of position of the device or parts of the device
-
- 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
- A61B6/08—Auxiliary means for directing the radiation beam to a particular spot, e.g. using light beams
-
- 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
-
- 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
-
- 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
- A61B6/4405—Constructional features of apparatus for radiation diagnosis the apparatus being movable or portable, e.g. handheld or mounted on a trolley
-
- 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
- A61B6/4411—Constructional features of apparatus for radiation diagnosis the apparatus being modular
-
- 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
- A61B6/4429—Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units
- A61B6/4452—Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units the source unit and the detector unit being able to move relative to each other
-
- 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
- A61B6/58—Testing, adjusting or calibrating thereof
- A61B6/587—Alignment of source unit to detector unit
-
- 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
- A61B6/48—Diagnostic techniques
- A61B6/486—Diagnostic techniques involving generating temporal series of image data
- A61B6/487—Diagnostic techniques involving generating temporal series of image data involving fluoroscopy
-
- 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
- A61B6/50—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications
- A61B6/502—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications for diagnosis of breast, i.e. mammography
-
- 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
- A61B6/50—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications
- A61B6/505—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications for diagnosis of bone
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- 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)
- Apparatus For Radiation Diagnosis (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
Description
Claims (8)
- X線機器のX線源の場所を判断するためのシステムであって、
X線源であって、前記X線源はX線ビームを放射し、前記放射されたX線ビームは理想的なビーム経路を有し、前記X線源は、前記X線源と関連付けられた線源ロケーターを有し、前記線源ロケーターはIR送信器を含む、X線源を備え、
X線不透過性オブジェクトの相対的位置および前記X線不透過性オブジェクトの画像に基づいて前記X線源の前記場所を指定する場所情報を生成するためのコンピューティングデバイスと、前記コンピューティングデバイスから得た前記場所情報を保存するためのデジタル記憶装置と
をさらに含み、
前記デジタル記憶装置に保存される前記場所情報は、前記IR送信器によって送信されることを特徴とするシステム。 - 前記X線源はポータブルX線機器であることを特徴とする請求項1に記載のシステム。
- X線グリッド線を有するX線グリッドをさらに備え、前記X線グリッド線は、前記IR送信器に伝送された前記場所情報に応じて前記X線源の前記理想的なビーム経路に合うように調整され、前記放射されたX線ビームが前記X線グリッドを通過することを選択的に可能にすることを特徴とする請求項1に記載のシステム。
- コントラストが増加し、ノイズが減少したX線画像を取得するためのシステムであって、X線源を含み、前記X線源はX線ビームを放射し、前記放射されたX線ビームは理想的なビーム経路を有し、前記X線源は、前記X線源と関連付けられた線源ロケーターを有し、前記線源ロケーターは、前記線源ロケーターと関連付けられたIR送信器を含み、前記システムは、調整可能なX線グリッドをさらに含み、前記システムは、
前記X線グリッドに含まれる複数のグリッド線であって、放射線不透過性材料を備える、複数のグリッド線と、
X線不透過性オブジェクトの相対的位置および前記X線不透過性オブジェクトの画像に基づいて前記X線源の場所を指定する場所情報を生成するための、前記線源ロケーターの一部として含まれるコンピューティングデバイスと、
前記グリッド線が、第1の位置にある前記X線源からの前記X線ビーム放射と位置合わせするように前記グリッド線を調整するための、前記場所情報に応答する調整機構と
をさらに備え、
前記調整可能なX線グリッドの前記グリッド線は、第2の位置にある前記X線源からの前記X線ビーム放射を遮断することを特徴とするシステム。 - 前記複数のグリッド線は放射線透過性材料をさらに備え、前記放射線不透過性材料は、前記放射線透過性材料と交互に並ぶことを特徴とする請求項4に記載のシステム。
- 前記複数のグリッド線の前記放射線透過性材料は、個々の放射線透過性球体を備え、前記放射線不透過性材料は、前記放射線透過性球体のそれぞれの中央面に配置されることを特徴とする請求項5に記載のシステム。
- 前記放射線不透過性材料は、第1の帯磁した側面と、第2の帯磁した側面とを有し、前記第1の帯磁した側面は、前記第2の帯磁した側面と反対の磁荷であることを特徴とする請求項6に記載のシステム。
- 散乱線除去グリッド内のグリッド線を調整する方法であって、
X線源を用意するステップであって、前記X線源はX線ビームを放射し、前記X線源は、前記X線源と関連付けられた、X線不透過性オブジェクトの相対的位置および前記X線不透過性オブジェクトの画像に基づいて前記X線源の場所を指定する場所情報を提供する線源ロケーターを有し、前記線源ロケーターはIR送信器を含む、ステップと、
X線グリッド線を有する調整可能なX線グリッドを用意するステップと、
前記IR送信器が前記場所情報を送信するステップと、
前記IR送信器によって送信された前記場所情報に応じて前記X線源の前記X線ビーム放射に合うように前記X線グリッド線を調整するステップと
を含むことを特徴とする方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/819,267 | 2010-06-21 | ||
US12/819,267 US8287187B2 (en) | 2010-06-21 | 2010-06-21 | Adjustable dynamic X-ray filter |
PCT/US2011/040622 WO2011163045A1 (en) | 2010-06-21 | 2011-06-16 | Adjustable dynamic x-ray filter |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2013529502A JP2013529502A (ja) | 2013-07-22 |
JP5902680B2 true JP5902680B2 (ja) | 2016-04-13 |
Family
ID=45328679
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2013516621A Active JP5902680B2 (ja) | 2010-06-21 | 2011-06-16 | 調整可能な動的x線フィルター |
Country Status (9)
Country | Link |
---|---|
US (1) | US8287187B2 (ja) |
EP (1) | EP2582301B1 (ja) |
JP (1) | JP5902680B2 (ja) |
KR (1) | KR101469392B1 (ja) |
CN (1) | CN103025246B (ja) |
AU (1) | AU2011271243B2 (ja) |
BR (1) | BR112012032782A2 (ja) |
CA (1) | CA2801817C (ja) |
WO (1) | WO2011163045A1 (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8917815B2 (en) | 2010-06-21 | 2014-12-23 | Zachary A. Miller | Adjustable dynamic filter |
KR101633821B1 (ko) * | 2012-09-11 | 2016-06-27 | 자카리 에이 밀러 | 조정 가능한 동적 필터 |
EP3201653A1 (en) | 2014-10-04 | 2017-08-09 | Ibex Innovations Ltd. | Improvements relating to scatter in x-ray apparatus and methods of their use |
KR101657870B1 (ko) * | 2015-01-09 | 2016-09-30 | 연세대학교 원주산학협력단 | 자동초점조절된 이동형 그리드를 이용한 디지털 단층 영상합성방법 및 장치 |
US9968314B1 (en) | 2015-04-14 | 2018-05-15 | Sebring Mechanical Design, Inc. | Steerable X-ray imaging detector module |
US11051772B2 (en) | 2016-04-08 | 2021-07-06 | Rensselaer Polytechnic Institute | Filtration methods for dual-energy X-ray CT |
GB2576772B (en) | 2018-08-31 | 2023-01-25 | Ibex Innovations Ltd | X-ray Imaging system |
EP3632323A1 (en) * | 2018-10-04 | 2020-04-08 | Koninklijke Philips N.V. | Adaptive anti-scatter device |
CN114531767B (zh) * | 2022-04-20 | 2022-08-02 | 深圳市宝润科技有限公司 | 一种手持式x光机可视化x射线定位方法及系统 |
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-
2010
- 2010-06-21 US US12/819,267 patent/US8287187B2/en active Active
-
2011
- 2011-06-16 CA CA2801817A patent/CA2801817C/en active Active
- 2011-06-16 BR BR112012032782A patent/BR112012032782A2/pt not_active Application Discontinuation
- 2011-06-16 WO PCT/US2011/040622 patent/WO2011163045A1/en active Application Filing
- 2011-06-16 EP EP11798657.0A patent/EP2582301B1/en active Active
- 2011-06-16 JP JP2013516621A patent/JP5902680B2/ja active Active
- 2011-06-16 KR KR1020137001406A patent/KR101469392B1/ko active IP Right Grant
- 2011-06-16 AU AU2011271243A patent/AU2011271243B2/en active Active
- 2011-06-16 CN CN201180030627.6A patent/CN103025246B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
BR112012032782A2 (pt) | 2016-12-20 |
EP2582301A4 (en) | 2013-12-25 |
KR20130041909A (ko) | 2013-04-25 |
WO2011163045A1 (en) | 2011-12-29 |
KR101469392B1 (ko) | 2014-12-04 |
AU2011271243B2 (en) | 2013-05-30 |
JP2013529502A (ja) | 2013-07-22 |
EP2582301A1 (en) | 2013-04-24 |
CN103025246B (zh) | 2015-05-20 |
CA2801817C (en) | 2014-05-06 |
AU2011271243A1 (en) | 2013-01-10 |
US8287187B2 (en) | 2012-10-16 |
EP2582301B1 (en) | 2017-04-19 |
CA2801817A1 (en) | 2011-12-29 |
CN103025246A (zh) | 2013-04-03 |
US20110311032A1 (en) | 2011-12-22 |
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