公开(公告)号：WO2011138631A1

公开(公告)日：2011-11-10

申请号：PCT/IB2010/001805

申请日：2010-05-06

Applicant: EOS IMAGING ,  DESAUTE, Pascal

Inventor： DESAUTE, Pascal

IPC: G01T1/185

CPC classification number: G01T1/185

Abstract: An X-ray detecting apparatus for the detection and localisation of ionising X-ray or gamma radiation in radiography, the apparatus comprising: an X-ray detector including: conversion means for converting incident x-ray photons of an incident x- ray photon beam into detectable electrical charges; and amplification means for amplifying the electrical charges in the detector by an non-linear amplification gain factor the non-linear amplification gain being characterised by a decrease in amplification gain at high fluxes of incident x-ray photons; and amplification gain adjustment means configured to vary the amplification gain of the amplification means according to the emission parameters of an x-ray source providing the incident x-ray photon beam for the radiographic examination to be performed and/or the transmitted beam received by the detector from the x-ray source via the subject being imaged. A radiographic imaging device and a method of operating the radiographic imaging device are also presented.

Abstract translation: 一种X射线检测装置，用于在放射线照相术中检测和定位电离X射线或γ射线，该装置包括：X射线检测器，包括：转换装置，用于转换入射x射线光子束的入射x射线光子 变成可检测的电荷; 以及放大装置，用于通过非线性放大增益因子放大检测器中的电荷，非线性放大增益的特征在于入射x射线光子的高通量下的放大增益的降低; 以及放大增益调整装置，被配置为根据提供入射的X射线光子束的X射线源的发射参数来改变放大装置的放大增益，以进行放射摄影检查和/或接收的发射光束 来自X射线源的检测器经由被摄体被成像。 还提出了射线照相成像装置和操作放射线照相成像装置的方法。

公开(公告)号：WO2011045411A1

公开(公告)日：2011-04-21

申请号：PCT/EP2010/065514

申请日：2010-10-15

Applicant: EOS IMAGING ,  DESAUTE, Pascal

Inventor： DESAUTE, Pascal

IPC: H01J47/06 ,  G01T1/185

CPC classification number: H01J47/06 ,  G01T1/185

Abstract: The invention relates to a gas avalanche detector for detecting and locating X-ray or gamma ray ionizing radiation in radiographic imaging, the detector comprising: a gas enclosure (10) provided with an admission window (FE) for admitting a beam (FX) of incident X-ray photons; an intermediate plane electrode (12) placed in said gas enclosure (10) between two end plane electrodes (11, 13) and held parallel to the two end plane electrodes (11, 13); the configuration of the end plane electrodes (11, 13) and of the intermediate plane electrode (12) forming an amplification space (20), the amplification space (20) also constituting a conversion space in which the incident X-ray photons (FX) are convertible into electrical charges, the electrical charges being made up of primary electrons and of corresponding ions; the intermediate electrode (12) being operable at an electrical potential relative to the electrical potentials of the end electrodes (11, 13) suitable for generating an electric field that causes the primary electrons to be multiplied by the avalanche phenomenon in the amplification space (20) in the vicinity of the intermediate electrode (12); one of the end electrodes (13) being configured as a collector electrode for picking up the electrical signals induced by the ions; and said admission window (FE) being placed level with the amplification space (20) between the intermediate plane electrode (12) and said collector electrode (13) to admit said photon beam between the intermediate plane electrode (12) and said collector electrode (13). The invention also relates to a radiographic imaging device including such a gas detector.

Abstract translation: 本发明涉及一种用于在放射照相成像中检测和定位X射线或γ射线电离辐射的气体雪崩检测器，该检测器包括：气体外壳（10），其具有用于允许入射窗（FE）的入口窗口（FE） 事件X射线光子; 在两个端面电极（11,13）之间放置在所述气体外壳（10）中并平行于两个端面电极（11,13）保持的中间平面电极（12）。 端面电极（11,13）和形成放大空间（20）的中间平面电极（12）的结构，放大空间（20）也构成入射的X射线光子（FX ）可转换成电荷，电荷由一次电子和相应的离子组成; 中间电极（12）可相对于适于产生电场的端电极（11,13）的电位工作，该电场使得一次电子与放大空间（20）中的雪崩现象相乘 ）在中间电极（12）附近; 一个端电极（13）被配置为用于拾取由离子引起的电信号的集电极; 并且所述准入窗口（FE）与所述中间平面电极（12）和所述集电极（13）之间的放大空间（20）放置在一起，以允许所述光子束在所述中间平面电极（12）和所述集电极 13）。 本发明还涉及包括这种气体检测器的射线照相成像装置。

公开(公告)号：WO2021229253A1

公开(公告)日：2021-11-18

申请号：PCT/IB2020/000508

申请日：2020-05-13

Applicant: EOS IMAGING

Inventor： AUBERT, Benjamin ,  MAKNI, Nasr ,  CRESSON, Thierry ,  VAZQUEZ HIDALGO GATO, Carlos Alberto ,  DE GUISE, Jacques A.

IPC: G06T7/00 ,  A61B6/03 ,  G06N3/02 ,  G06T7/10 ,  A61B6/505 ,  A61B6/5211 ,  G06N3/0454 ,  G06N3/0472 ,  G06N3/088 ,  G06N3/126 ,  G06T2207/10081 ,  G06T2207/10124 ,  G06T2207/20081 ,  G06T2207/20084 ,  G06T2207/20124 ,  G06T2207/30004 ,  G06T2207/30012 ,  G06T7/0012

Abstract: This invention relates to a medical imaging conversion method, automatically converting: at least one or more real x-ray images (16) of a patient, including at least a first anatomical structure (21) of said patient and a second anatomical structure (22) of said patient, into at least one digitally reconstructed radiograph (DRR) (23) of said patient representing said first anatomical structure (24) without representing said second anatomical structure (26), by a single operation using either one convolutional neural network (CNN) or a group of convolutional neural networks (CNN) (27) which is preliminarily trained to, both or simultaneously: differentiate said first anatomical structure (21) from said second anatomical structure (22), and convert a real x-ray image (16) into at least one digitally reconstructed radiograph (DRR) (23).

公开(公告)号：WO2021094004A1

公开(公告)日：2021-05-20

申请号：PCT/EP2020/070058

申请日：2020-07-15

Applicant: EOS IMAGING

Inventor： BEUCHER, Jérôme ,  DESAUTE, Pascal ,  KYRGYZOV, Khrystyna ,  LEMOUSSU, Audrey ,  MORICHAU-BEAUCHANT, Pierre ,  OUAMARA, Hamid

IPC: A61B6/00

Abstract: This invention relates to a radiological imaging method comprising: 2 radiation sources with imaging directions orthogonal to each other, performing vertical scanning of a standing patient (20) along a vertical scanning direction (Z), wherein said radiological method comprises at least one operating mode in which: a frontal scout view is made so as to identify a specific bone(s) localization (21) within said frontal scout view, driving current intensity modulation (11) of said frontal radiation source, depending on patient thickness and on said identified specific bone(s) localization (21) along said vertical scanning direction (Z), is performed automatically, so as to improve a compromise between: lowering the global radiation dose received by a patient (20) during said vertical scanning, while keeping at a sufficient level the local image contrasts of said identified specific bone(s) localization (21) at different imaging positions along said vertical scanning direction (Z), for the frontal image.

公开(公告)号：US12207959B2

公开(公告)日：2025-01-28

申请号：US17776031

申请日：2019-11-14

Applicant: EOS IMAGING

Inventor： Jérôme Beucher ,  Pascal Desaute ,  Khrystyna Kyrgyzov ,  Audrey Lemoussu ,  Pierre Morichau-Beauchant ,  Hamid Ouamara

IPC: A61B6/40 ,  A61B6/00 ,  A61B6/42 ,  A61B6/50

Abstract: A radiological imaging method including: 2 radiation sources with imaging directions orthogonal to each other, performing vertical scanning of a standing patient along a vertical scanning direction, wherein the radiological method includes at least one operating mode in which: a frontal scout view is made so as to identify a specific bone(s) localization within the frontal scout view, both driving current intensity and voltage intensity modulations of the frontal radiation source, depending on patient thickness and on the identified specific bone(s) localization along the vertical scanning direction, are performed simultaneously, preferably synchronously, and automatically, so as to improve a compromise between: lowering the global radiation dose received by a patient during the vertical scanning, and increasing the local image contrasts of the identified specific bone(s) localization at different imaging positions along the vertical scanning direction, for the frontal image.

公开(公告)号：WO2021090042A1

公开(公告)日：2021-05-14

申请号：PCT/IB2019/001250

申请日：2019-11-05

Applicant: EOS IMAGING

Inventor： BLEAS, Stéphane ,  DESAUTE, Pascal ,  JACQUIER, Laurent ,  NOTTEBAERT, Cédric ,  VITTECOQ, David

IPC: A61B6/02 ,  A61B6/10 ,  A61B6/00

Abstract: This invention relates to a radiological apparatus comprising: a gantry (10) encapsulated within a cover (11), a patient platform (40), 2 radiation sources (20, 30) with imaging directions (D1, d2) orthogonal to each other, sliding vertically so as to perform vertical scanning of a patient standing on said platform (40), wherein: said gantry cover (11) top view is L shaped, each of said 2 radiation sources (20, 30): is located: outside said L shaped gantry cover (11), inside angular sector (AS) of said L, and is encapsulated within a cover (21, 31) sliding vertically with said radiation source (20, 30) it encapsulates, and wherein said radiological apparatus also comprises: a first security device (51, 52) stopping said vertical scanning, when it detects a patient body part going outside a first predetermined area, so as to avoid collision between said patient body part and said vertically sliding radiation sources covers (21, 31), and a second security device (61, 62) stopping said vertical scanning, when it detects presence of an object or of a person external to said radiological apparatus within a second predetermined area, so as to avoid collision between said object or person and said vertically sliding radiation sources covers (21, 31).

公开(公告)号：WO2019008407A1

公开(公告)日：2019-01-10

申请号：PCT/IB2017/000986

申请日：2017-07-04

Applicant: EOS IMAGING

Inventor： DESAUTE, Pascal ,  METZ, Camille

IPC: A61B6/00 ,  G06T17/00 ,  G09B23/28 ,  A61B6/02

Abstract: This invention relates to a method of radiography of an organ of a patient, comprising: first vertical scanning and said second vertical scanning being performed synchronously, wherein a computed correction is processed on both first and second raw images, on at least part of patient scanned height, for at least overweight or obese patients, so as to reduce, between first and second corrected images, cross-scattering existing between said first and second raw images, and wherein said computed correction processing on both said first and second raw images comprises: a step (32, 33, 34) of making a patient specific modeling, using as patient specific data therefore at least both first and second raw images, preferably mainly both first and second raw images, more preferably only both first and second raw images, a step (34, 35) of determining a patient specific representation of radiation scattering by said patient specific modeling, a step (36) of processing said patient specific radiation scattering representation on both said first and second raw images so as to get said first and second corrected images.

公开(公告)号：WO2018203101A1

公开(公告)日：2018-11-08

申请号：PCT/IB2017/000698

申请日：2017-05-03

Applicant: EOS IMAGING

Inventor： HOBEIKA, Joe ,  INVERNEZZI, David ,  GRIVET, Arnaud

IPC: A61B17/70 ,  A61B17/88 ,  A61B34/10

Abstract: This invention relates to a surgery control tool: being no patient implant, comprising: an elongated body (7, 37) having the shape and the size of a spinal correction rod, end contact parts (9, 39) being able to contact a patient implanted spinal correction rod implant (12, 13), spacers (8, 38) extending from said elongated body (7, 37) towards said end contact parts (9, 39).

公开(公告)号：WO2018203100A1

公开(公告)日：2018-11-08

申请号：PCT/IB2017/000695

申请日：2017-05-03

Applicant: EOS IMAGING

Inventor： HOBEIKA, Joe ,  INVERNIZZI, David ,  GRIVET, Arnaud

IPC: A61B17/70 ,  A61B34/10 ,  A61B17/00

Abstract: This invention relates to a surgery planning tool: being no patient implant, comprising an elongated body (9, 29, 39, 49, 59, 69) including: at least a portion having the shape and the size of a spinal correction rod (12, 13).

公开(公告)号：WO2017085529A1

公开(公告)日：2017-05-26

申请号：PCT/IB2015/002497

申请日：2015-11-19

Applicant: EOS IMAGING

Inventor： HOBEIKA, Joe ,  VANCURA, Lukas

IPC: A61B34/10 ,  A61B17/70

CPC classification number: A61B34/10 ,  A61B17/7011 ,  A61B2034/105

Abstract: This invention relates to a method of preoperative planning to correct spine (1) misalignment of a patient, comprising a step of making a translation and a rotation, in a sagittal plane, of each vertebra (2) of a set of several cervical and/or thoracic (T1-T12) and/or lumbar (L1-L5) imaged spine vertebrae (2), so that said set of imaged vertebrae (2) presents afterwards, in the sagittal plane, the same cervical lordosis and/or the same thoracic kyphosis and/or the same lumbar lordosis as a model adapted for said patient, wherein it also comprises, before said step of making said translation and said rotation in a sagittal plane: a step of making a translation and a rotation, in a coronal plane, of each vertebra (2) of said set of several cervical and/or thoracic (T1-T12) and/or lumbar (L1-L5) imaged spine vertebrae (2), so that said set of imaged vertebrae (2) becomes straight in said coronal plane, and of making a rotation, in an axial plane, of each vertebra (2) of said set of several cervical and/or thoracic (T1-T12) and/or lumbar (L1-L5) imaged spine vertebrae (2), so that said set of imaged vertebrae (2) becomes axially aligned.

Abstract translation: 本发明涉及一种术前规划矫正脊柱（1）患者未对准的方法，包括在矢状平面中对每个椎骨（2）进行平移和旋转的步骤， （2）的一组颈部和/或胸部（T1-T12）和/或腰部（L1-L5）成像的脊椎骨（2）中的一组成像椎骨（2）在矢状平面中之后呈现 相同的颈椎前凸和/或与适用于所述患者的模型相同的胸椎后凸和/或相同的腰椎前凸，其中它还包括在所述平移和所述矢状面中的旋转的所述步骤之前： 在所述一组多个颈部和/或胸部（T1-T12）和/或腰部（L1-L5）成像的脊椎骨（2）中的每个椎骨（2）的平移和平移，使得所述 一组成像的椎骨（2）在所述冠状平面中变直，并且在所述所述椎骨（2）的每个椎骨（2）的轴向平面内 （2）的一组颈部和/或胸部（T1-T12）和/或腰部（L1-L5），使得所述一组成像的椎骨（2）变得轴向对齐。