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    • 26. 发明授权
    • System and method for diagnosing breast cancer
    • 用于诊断乳腺癌的系统和方法
    • US07835556B2
    • 2010-11-16
    • US11568993
    • 2005-04-29
    • Martin WeibrechtJoerg Bredno
    • Martin WeibrechtJoerg Bredno
    • A61B5/05G06K9/00
    • A61B6/502A61B6/025
    • The invention relates to a system and a method for the investigation of a body volume (3), particularly for the diagnosis of breast cancer According to the method, a sequence of X-ray projections (P, P′) from different directions is produced by a rotatable X-ray source (1) and a stationary digital X-ray detector (5). From these projections (P, P′), a set of sectional images (a, b, c, d) is calculated by tomosynthesis. A physician may indicate a suspicious structure on a reference image (R) that is derived from one of the projections (P, P′) or sectional images (a, b, c, d) and displayed on a monitor (6). The computer (7) may then locate the structure on all sectional images (a, b, c, d) and calculate the similarity of a corresponding image feature. The sectional 10 image at which the similarity is strongest then indicates the depth (zo) at which the structure (4) is positioned in the body volume (3). Based on this information, a biopsy device (9) with a needle (10) can be advanced into the body volume (3) until it reaches the suspicious structure (4).
    • 本发明涉及一种用于研究体积(3)的系统和方法,特别是用于乳腺癌的诊断。根据该方法,产生来自不同方向的X射线投影(P,P')的序列 通过可旋转X射线源(1)和固定数字X射线检测器(5)。 通过这些投影(P,P'),通过断层合成计算出一组截面图像(a,b,c,d)。 医生可以在从投影(P,P')中的一个或截面图像(a,b,c,d)导出并显示在监视器(6)上的参考图像(R)上指示可疑结构。 然后,计算机(7)可以在所有截面图像(a,b,c,d)上定位结构,并计算相应图像特征的相似度。 相似度最强的截面10图像表示结构(4)位于体积(3)中的深度(zo)。 基于该信息,具有针(10)的活检装置(9)可以前进到体积(3)中,直到达到可疑结构(4)。
    • 27. 发明申请
    • System And Method For The Guidance Of A Catheter In Electrophysiologic Interventions
    • 导管在电生理干预中的指导系统与方法
    • US20080139930A1
    • 2008-06-12
    • US11814821
    • 2006-01-23
    • Juergen WeeseSabine MollusKai EckJoerg Bredno
    • Juergen WeeseSabine MollusKai EckJoerg Bredno
    • A61B5/05
    • A61B5/042A61B6/12A61B6/4441A61B6/487A61B6/503A61B6/5288
    • The invention relates to a system and a method for the guidance of a catheter (20) with an electrode (21) in an electrophysiological procedure. A sequence of images (I1, . . . Ik, . . . ) of the catheter (20) and of a resting reference catheter (30) is generated with an X-ray device (10) and stored together with the associated electrographic recordings from the electrodes (21, 31). A reference image (Ik) may then be selected from said sequence that corresponds to a desired electrographic pattern (Ek). In a next step, the positions (T, R) of the catheters (20, 30) are localized on the reference image (Ik), wherein the position (R) of the reference catheter (30) can be identified with the position of this catheter (30) on an actual image (I). Thus it is possible to determine on the actual image also a target position (T′ for the catheter (20) that corresponds to the position (T) of this catheter (20) on the reference image (Ik). Said target position (T) may finally be indicated on a monitor (60) to assist the guidance of the catheter (20) to a desired location.
    • 本发明涉及一种用于在电生理过程中用电极(21)引导导管(20)的系统和方法。 使用X射线装置(10)产生导管(20)的静止参考导管(30)的图像序列(I 1,...,I k,...),并与相关联的电摄影 从电极(21,31)进行记录。 然后可以从对应于期望的电泳图案(Ek)的所述序列中选择参考图像(Ik)。 在下一步骤中,导管(20,30)的位置(T,R)定位在参考图像(Ik)上,其中参考导管(30)的位置(R)可以被识别为 该导管(30)在实际图像(I)上。 因此,可以在实际图像上确定与参考图像(Ik)上的该导管(20)的位置(T)相对应的导管(20)的目标位置(T'),所述目标位置(T )可以最终在监视器(60)上指示以帮助将导管(20)引导到期望的位置。