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    • 1. 发明授权
    • Method and device for making radiographic images
    • 用于制作放射照相图像的方法和装置
    • US06687331B1
    • 2004-02-03
    • US09450917
    • 1999-11-29
    • Serge MullerJean-Pierre SaladinLuc Miotti
    • Serge MullerJean-Pierre SaladinLuc Miotti
    • H05G164
    • A61B6/0414A61B6/04
    • Device for taking radiologic images, of the type comprising a means of emission of an X-ray beam and a means of reception of the X-ray beam after it has passed through an organ to be studied. The means of emission and the means of reception are supported by an arm pivoting about at least one shaft supported by a frame. The device comprises a means for detecting the angle of swivel of the arm, a means for entering data relative to the organ to be studied, a processing means capable of determining the type of image that will be taken as a function of the angle of swivel and of the said data relative to the organ, and a means for displaying on the image the type of image determined by the said processing means.
    • 用于拍摄放射学图像的装置,其类型包括发射X射线束的装置和在X射线束通过待研究的器官之后的接收装置。 发射装置和接收装置由围绕由框架支撑的至少一个轴枢转的臂支撑。 该装置包括用于检测臂的旋转角度的装置,用于输入相对于要研究的器官的数据的装置,能够确定作为旋转角度的函数的图像的类型的处理装置 以及相对于器官的所述数据,以及用于在图像上显示由所述处理装置确定的图像的类型的装置。
    • 3. 发明授权
    • Filter system for radiological imaging
    • 放射成像过滤系统
    • US07092490B2
    • 2006-08-15
    • US10757932
    • 2004-01-15
    • Jean Pierre SaladinSerge MullerCeline Pawlak
    • Jean Pierre SaladinSerge MullerCeline Pawlak
    • G21K3/00G02B7/00
    • A61B6/502A61B6/4035G21K1/04G21K1/10
    • A filtering system for use in, for example, a radiological imaging in a mammography apparatus. The system has a roundabout carrying a set of filtration plates. Each filtration plate is held on the roundabout by a joint. In a parked or stationary position, each plate is vertically suspended and does not contribute to any unacceptable increase in the horizontal space requirement of an X-ray tube. Each filtration plate may be presented in turn before a window for the emission of X-rays from the tube. At this position, the plate is rectified about its joint in order to occupy one position, among several possible positions, that also makes it possible, in this way, to modulate the filtration capacity of the plate.
    • 一种用于例如乳房X线照相术装置中的放射成像的过滤系统。 该系统具有携带一套过滤板的回旋处。 每个过滤板通过接头保持在回旋处。 在停放或静止的位置,每个板垂直悬挂,并不影响X射线管的水平空间要求的任何不可接受的增加。 每个过滤板可以在用于从管发射X射线的窗口之前依次呈现。 在该位置,板在其接头周围被整流,以便在几个可能的位置中占据一个位置,这也使得可以以这种方式调节板的过滤能力。
    • 4. 发明授权
    • Mammography apparatus and method
    • 乳房X线摄影仪和方法
    • US06845146B2
    • 2005-01-18
    • US10218829
    • 2002-08-14
    • Andreas RickSerge MullerJean-Pierre Saladin
    • Andreas RickSerge MullerJean-Pierre Saladin
    • A61B6/00A61B6/04
    • A61B6/502A61B6/0414A61B6/466
    • A mammography apparatus and method having an X-ray tube, an image receiver, the image receiver having one edge in contact with a patient, a compression paddle between the tube and the receiver, able to be moved up and down parallel to a direction of propagation of the X-rays, means for keeping the compression paddle in position in the radiation propagation direction, the compression paddle, in its compression position, being movable in at least one direction perpendicular to the direction of X-ray propagation and parallel to the contact edge of the image receiver. This allows a patient's breast to be rolled and presented to the image receiver in different positions thereby reducing ambiguities in possible detection of a lesion due to layers of tissue overlapping when images are taken.
    • 一种具有X射线管,图像接收器,具有与患者接触的一个边缘的图像接收器,管与接收器之间的压缩桨,能够平行于 X射线的传播是用于将压缩桨保持在辐射传播方向上的位置的装置,压缩桨在其压缩位置可沿至少一个垂直于X射线传播方向的平行方向移动, 图像接收器的接触边缘。 这允许患者的乳房在不同的位置滚动并呈现给图像接收器,从而减少了在拍摄图像时由于组织层重叠而可能检测到病变的模糊性。
    • 6. 发明授权
    • Method and apparatus for digital stereotaxic mammography
    • 数字立体定位乳房X线照相术的方法和装置
    • US5539797A
    • 1996-07-23
    • US218931
    • 1994-03-29
    • Robert HeidsieckJean-Pierre SaladinSerge Muller
    • Robert HeidsieckJean-Pierre SaladinSerge Muller
    • A61B6/00A61B6/02A61B6/04
    • A61B6/502A61B6/02
    • A mammograph is disclosed which includes: a positioning device defining a rotation axis, the positioning device including: an arm .beta..sub.2 ; breast support plate connected to the arm .beta..sub.2 ; a movement device connected to the arm .beta..sub.2 ; and a digital detector connected to the movement device, the digital detector having a detection surface defining a plane .pi.; an arm .beta..sub.1 pivotally connected to the positioning device for pivotally rotating said arm .beta..sub.1 around said rotation axis, the arm .beta..sub.1 having an end; and an X-ray tube movably attached to the end of the arm .beta..sub.1, the X-ray tube defining a beam axis .delta. and being pivotable about the rotation axis so as to move in a first direction that is orthogonal with the rotation axis and direct an X-ray beam, emitted by the X-ray tube, along the beam axis .delta.. Pivoting the X-ray tube within an angle .+-..alpha. causes the movement device to move the digital detector laterally within the plane .pi. along a second direction that is perpendicular to the rotation axis and opposite the first direction so as to accommodate a position of the X-ray tube within the angle .+-..alpha. and define a volume of a breast stereotaxically accessible by the X-ray beam as a polyhedron having a first surface and a second surface, the first surface and the second surface meeting and being defined by an intersection of the beam axis .delta. at an angle .+-..alpha. with the beam axis .delta. at an angle -.alpha., the X-ray beam being entirely incident the digital detector as the movement device moves the digital detector to accommodate pivotal movement of the X-ray tube.
    • 公开了一种乳房X线照相机,其包括:定义旋转轴的定位装置,所述定位装置包括:臂β2; 乳房支撑板连接到手臂β2; 连接到臂β2的运动装置; 和连接到移动装置的数字检测器,数字检测器具有限定平面pi的检测表面; 臂β1枢转地连接到定位装置,用于围绕所述旋转轴线枢转旋转所述臂β1,所述臂β1具有端部; 以及可移动地附接到臂β1的端部的X射线管,X射线管限定射束轴三角形并且可围绕旋转轴线枢转,以沿与旋转轴线正交的第一方向移动;以及 沿着光束轴三角形引导由X射线管发射的X射线束。 将X射线管以+/-角度旋转,使得移动装置沿着垂直于旋转轴线并与第一方向相反的第二方向在平面pi内横向移动数字检测器,以便容纳位置 所述X射线管在角度+/-α内并且限定由X射线束立体定位可触及的具有第一表面和第二表面的多面体的乳房的体积,所述第一表面和第二表面会聚并被限定 通过光束轴δ与角度α-α与光束轴δ的角度的交叉点,X射线束完全入射到数字检测器,随着移动装置移动数字检测器以适应枢轴运动 X光管。
    • 10. 发明授权
    • Method and apparatus for calibration and correction of gray levels in images
    • 用于校正和校正图像中灰度级的方法和装置
    • US07548640B2
    • 2009-06-16
    • US12115596
    • 2008-05-06
    • Fanny JeunehommeSerge MullerRazvan Iordache
    • Fanny JeunehommeSerge MullerRazvan Iordache
    • G06K9/00
    • G06T5/50A61B6/583G06T2207/10116G06T2207/30004H04N5/32
    • A method and apparatus for calibrating an apparatus that acquires a sequence of radiographic images and correcting images of an object under observation. For each image of a sequence acquired by the apparatus and for a given frequency of acquisition of the sequence, the apparatus is calibrated by determining the value of the variation of a mean of gray levels in at least one zone of interest of the current image of at least one calibration device, the variation being determined relative to the mean gray level of the first image of the sequence in each zone of interest. The determination of the variation is reiterated for a series of images sequences acquired using calibration devices resulting in first images of mean gray levels different from one sequence to another. Each image of an image sequence of the object under observation is corrected, comprising zones of observation having different gray levels by subtracting from the current image the variation of one gray level relative to the first image of the object, the subtraction being a function of the gray level considered from each zone of observation.
    • 一种用于校准获取放射线图像序列并校正被观察物体的图像的装置的方法和装置。 对于由装置获取的序列和给定的序列获取频率的每个图像,通过确定当前图像的当前图像的至少一个感兴趣区域中的灰度级的平均值的变化值来校准装置 至少一个校准装置,相对于感兴趣区域中序列的第一图像的平均灰度级确定变化。 对于使用校准装置获得的一系列图像序列,重复了变化的确定,导致不同于一个序列到另一个序列的平均灰度级的第一图像。 通过从当前图像中减去相对于对象的第一图像的一个灰度级的变化,校正观察对象的图像序列的每个图像,包括具有不同灰度级的观察区域,该减法是 从每个观察区考虑灰度。