JP7385564B2 - X線画像化装置 - Google Patents
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- JP7385564B2 JP7385564B2 JP2020524885A JP2020524885A JP7385564B2 JP 7385564 B2 JP7385564 B2 JP 7385564B2 JP 2020524885 A JP2020524885 A JP 2020524885A JP 2020524885 A JP2020524885 A JP 2020524885A JP 7385564 B2 JP7385564 B2 JP 7385564B2
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- 238000000034 method Methods 0.000 claims description 22
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- 239000000470 constituent Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
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- 210000000115 thoracic cavity Anatomy 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
- A61B6/40—Arrangements for generating radiation specially adapted for radiation diagnosis
- A61B6/4007—Arrangements for generating radiation specially adapted for radiation diagnosis characterised by using a plurality of source units
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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
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B42/00—Obtaining records using waves other than optical waves; Visualisation of such records by using optical means
- G03B42/02—Obtaining records using waves other than optical waves; Visualisation of such records by using optical means using X-rays
- G03B42/026—Obtaining records using waves other than optical waves; Visualisation of such records by using optical means using X-rays for obtaining three-dimensional pictures
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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
- A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
- A61B6/025—Tomosynthesis
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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
- A61B6/06—Diaphragms
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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
- A61B6/40—Arrangements for generating radiation specially adapted for radiation diagnosis
- A61B6/4064—Arrangements for generating radiation specially adapted for radiation diagnosis specially adapted for producing a particular type of beam
- A61B6/4085—Cone-beams
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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
- A61B6/44—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
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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
- A61B6/44—Constructional features of apparatus for radiation diagnosis
- A61B6/4476—Constructional features of apparatus for radiation diagnosis related to motor-assisted motion of the source unit
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- 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
- G21K1/025—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators using multiple collimators, e.g. Bucky screens; other devices for eliminating undesired or dispersed radiation
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
- H01J1/02—Main electrodes
- H01J1/30—Cold cathodes, e.g. field-emissive cathode
- H01J1/304—Field-emissive cathodes
- H01J1/3048—Distributed particle emitters
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2235/00—X-ray tubes
- H01J2235/06—Cathode assembly
- H01J2235/068—Multi-cathode assembly
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2235/00—X-ray tubes
- H01J2235/16—Vessels
- H01J2235/161—Non-stationary vessels
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2235/00—X-ray tubes
- H01J2235/16—Vessels
- H01J2235/163—Vessels shaped for a particular application
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Description
Claims (13)
- 少なくとも2つの実質的に平面的なパネルを含むX線画像化装置であって、各パネルは真空筐体に格納される複数のX線エミッタを含み、前記少なくとも2つのパネルはそれぞれに中心パネル軸を有し、且つ、それらの中心パネル軸が互いに非平行となり、かつ共通の平面内にあるように配置され、
前記X線画像化装置はさらにパネル保持手段を有し、且つ、
前記パネル保持手段が前記少なくとも2つのパネルを、対象のX線撮影中に、前記対象に対して静止状態に保持するように、前記X線画像化装置は構成されており、
それぞれ中心パネル軸を共通の平面に具備する2つのパネルを有し、ここで、各X線エミッタが、共通の開口角度を有するコリメータを含み、そして前記2つのパネルが、それらの中心パネル軸間の角度が、前記共通の開口角度とほぼ同じになるように配置される、
X線画像化装置。 - 各X線エミッタが、中心コネレット軸を有するコネレット状にX線を放射し、そして、それぞれのパネルの各X線エミッタの前記中心コネレット軸が互いに平行になるように、前記少なくとも2つのパネルの各々が構成される、請求項1に記載のX線画像化装置。
- 線形配列に並んで配置されるn個のパネルを有し、nが2より多く、各パネルが共通の平面に中心パネル軸を具備し、各X線エミッタは、共通の開口角度を有するコリメータを含み、そして、前記配列の外側の2つのパネルは、それらの中心パネル軸間の前記角度が前記共通の開口角度とほぼ同じになるように配置され、そして、各々の、間に介在するパネルが、その中心パネル軸と、隣接するパネルの中心パネル軸との間の角度が式(前記共通の開口角度)/(n-1)で計算されるように配置される、請求項1又は2に記載のX線画像化装置。
- 前記共通の開口角度が、10から45度の範囲にある、請求項1から3のいずれか1項に記載のX線画像化装置。
- 前記X線画像化装置は、さらに、中心検出器パネル軸を有するデジタルX線検出器を有し、
前記デジタルX線検出器は、各X線エミッタを個々に制御するためのコントローラに接続される、請求項1から4のいずれか1項に記載のX線画像化装置。 - 前記パネルと前記検出器の間の距離が、X線撮影されるべき対象の厚みの1から2倍の範囲になるように構成される、請求項5に記載のX線画像化装置。
- 前記X線画像化装置は、検出器保持手段をさらに含み、前記検出器保持手段は、前記検出器を、前記対象のX線撮影中に、前記対象に対して静止状態に保持するように構成される、請求項5又は6に記載のX線画像化装置。
- 2から16の間のパネルを含む、請求項1から7のいずれか1項に記載のX線画像化装置。
- X線を受光する結果として、前記検出器によって作り出されるデータを処理し、画像を作成するための、プロセッサをさらに含む、請求項5から7のいずれか1項に記載のX線画像化装置。
- 前記プロセッサが、X線撮影される対象の3Dトモシンセシスモデルを作成するために、ある時間帯の間に受信されるデータを処理するように構成され、受光されるX線が、前記パネルの異なるエミッタから放射され、前記対象を異なる方向で通過する、請求項9に記載のX線画像化装置。
- 前記対象のX線撮影前に、前記少なくとも2つのパネルの少なくとも一方の位置を、前記少なくとも2つのパネルの他方に対して調整するための、位置決め手段をさらに含む、請求項1から10のいずれか1項に記載のX線画像化装置。
- 対象のX線画像を作成する方法であって、請求項9に記載のX線画像化装置を提供する工程;検出器とパネルの間に対象を供する工程;前記パネルからX線を放射させる工程;X線受光の結果として、前記検出器によって受信されるデータを処理する工程;およびデータから画像を作成する工程を含む、方法。
- 前記検出器がある時間帯の間にデータを受信する工程であって、受光されるX線が前記パネルの異なるエミッタから放射され、前記対象を異なる方向で通過する、工程と、前記対象の3Dトモシンセシスモデルを作成するために、前記プロセッサが前記データを処理する、工程をさらに含む、請求項12に記載の方法。
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GB1719599.1A GB2568735A (en) | 2017-11-25 | 2017-11-25 | An x-ray imaging system |
GB1719599.1 | 2017-11-25 | ||
PCT/GB2018/053400 WO2019102216A1 (en) | 2017-11-25 | 2018-11-23 | An x-ray imaging device |
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JP2021503977A JP2021503977A (ja) | 2021-02-15 |
JP7385564B2 true JP7385564B2 (ja) | 2023-11-22 |
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US (1) | US11234669B2 (ja) |
EP (1) | EP3713490A1 (ja) |
JP (1) | JP7385564B2 (ja) |
KR (1) | KR102711558B1 (ja) |
CN (1) | CN111386077B (ja) |
AU (1) | AU2018372073B2 (ja) |
BR (1) | BR112020009970A2 (ja) |
CA (1) | CA3083070A1 (ja) |
GB (1) | GB2568735A (ja) |
WO (1) | WO2019102216A1 (ja) |
ZA (1) | ZA202003766B (ja) |
Families Citing this family (2)
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GB2587597B (en) * | 2019-09-12 | 2023-08-23 | Adaptix Ltd | An x-ray digital tomosynthesis system and method |
GB2618084A (en) * | 2022-04-25 | 2023-11-01 | Adaptix Ltd | A method of analysing a geological sample |
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JP2011512226A (ja) | 2008-02-22 | 2011-04-21 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 分散型線源によるx線イメージングのための高解像度の略静的セットアップ |
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-
2017
- 2017-11-25 GB GB1719599.1A patent/GB2568735A/en not_active Withdrawn
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- 2018-11-23 CA CA3083070A patent/CA3083070A1/en active Pending
- 2018-11-23 JP JP2020524885A patent/JP7385564B2/ja active Active
- 2018-11-23 US US16/766,722 patent/US11234669B2/en active Active
- 2018-11-23 EP EP18819333.8A patent/EP3713490A1/en active Pending
- 2018-11-23 BR BR112020009970-8A patent/BR112020009970A2/pt unknown
- 2018-11-23 CN CN201880075270.5A patent/CN111386077B/zh active Active
- 2018-11-23 AU AU2018372073A patent/AU2018372073B2/en active Active
- 2018-11-23 KR KR1020207017078A patent/KR102711558B1/ko active IP Right Grant
- 2018-11-23 WO PCT/GB2018/053400 patent/WO2019102216A1/en active Application Filing
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Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100189223A1 (en) | 2006-02-16 | 2010-07-29 | Steller Micro Devices | Digitally addressed flat panel x-ray sources |
JP2011512226A (ja) | 2008-02-22 | 2011-04-21 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 分散型線源によるx線イメージングのための高解像度の略静的セットアップ |
JP2015522799A (ja) | 2012-05-18 | 2015-08-06 | ゼネラル・エレクトリック・カンパニイ | タイル貼り式x線イメージャパネルおよびそれを形成する方法 |
JP2016503721A5 (ja) | 2014-01-22 | 2017-01-05 | ||
WO2017185028A1 (en) | 2016-04-22 | 2017-10-26 | Hologic, Inc. | Tomosynthesis with shifting focal spot x-ray system using an addressable array |
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CN111386077A (zh) | 2020-07-07 |
AU2018372073A1 (en) | 2020-07-02 |
KR102711558B1 (ko) | 2024-09-27 |
GB2568735A (en) | 2019-05-29 |
EP3713490A1 (en) | 2020-09-30 |
CN111386077B (zh) | 2024-05-14 |
JP2021503977A (ja) | 2021-02-15 |
WO2019102216A1 (en) | 2019-05-31 |
KR20200091879A (ko) | 2020-07-31 |
AU2018372073B2 (en) | 2024-05-02 |
US20200383656A1 (en) | 2020-12-10 |
GB201719599D0 (en) | 2018-01-10 |
CA3083070A1 (en) | 2019-05-31 |
ZA202003766B (en) | 2021-07-28 |
BR112020009970A2 (pt) | 2020-11-03 |
US11234669B2 (en) | 2022-02-01 |
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