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公开(公告)号：US09460822B2
公开(公告)日：2016-10-04
申请号：US13993161
申请日：2011-10-24
申请人： Mats Danielsson , Torbjörn Hjärn , Daniel Säll , Markus Wahlberg
发明人： Mats Danielsson , Torbjörn Hjärn , Daniel Säll , Markus Wahlberg
摘要： The present invention relates to a method and an X-ray apparatus comprising an X-ray source, an x-ray detector, and at least a first collimator having a first active position and a second collimator having a second active position for forming a bundle of X-ray beams, wherein both of said active positions are located in a substantially straight path between said X-ray source and said detector, but at different distances from said X-ray source. The X-ray apparatus further comprises a selector arrangement for switching one of said first or second collimators in said first or second active position, whereby when one of said first or second collimators is in an active position the other collimator is in an inactive position.
摘要翻译： 本发明涉及一种包括X射线源，X射线检测器和至少具有第一活动位置的第一准直仪和具有用于形成束的第二活动位置的第二准直器的X射线设备 的X射线束，其中两个所述活动位置位于所述X射线源和所述检测器之间但在与所述X射线源不同的距离处的基本上直的路径中。 X射线设备还包括选择器装置，用于在所述第一或第二活动位置中切换所述第一或第二准直器中的一个，由此当所述第一或第二准直仪中的一个处于活动位置时，另一个准直器处于非活动位置。
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公开(公告)号：US07440539B2
公开(公告)日：2008-10-21
申请号：US10928098
申请日：2004-08-30
申请人： Mats Danielsson , Torbjörn Hjärn
发明人： Mats Danielsson , Torbjörn Hjärn
IPC分类号： H01J35/16
摘要： A shielding arrangement for an x-ray apparatus, preferably for mammography examination is disclosed, and comprises at least an x-ray source, a collimator arrangement and a detector assembly, whereby the collimator is arranged between the x-ray source and the detector assembly and through which x-rays pass. The shielding arrangement, at least partly made of x-ray blocking material and provided for blocking, scattering and/or reflecting x-rays is arranged, at least partly, in a space between the x-ray source and collimator.
摘要翻译： 公开了一种用于X射线设备的屏蔽装置，优选用于乳房X线照相检查，并且至少包括X射线源，准直器装置和检测器组件，由此准直器布置在x射线源和检测器组件之间 并通过X射线通过。 至少部分地由x射线阻挡材料制成并用于阻挡，散射和/或反射x射线的屏蔽装置至少部分地布置在x射线源和准直器之间的空间中。
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公开(公告)号：US07302031B2
公开(公告)日：2007-11-27
申请号：US11259861
申请日：2005-10-27
IPC分类号： A61B6/04
CPC分类号： A61B6/4441 , A61B6/02 , A61B6/0414 , A61B6/06 , A61B6/502 , A61B6/583
摘要： A novel X-ray apparatus is provided for three-dimensional imaging and in particular for tomosynthesis examination, which includes an X-ray source having a focal spot, a collimator including a plurality of slits, a detector assembly including a plurality of line detectors corresponding to respective ones of the plurality of slits and an exposure volume arranged between the collimator and the detector assembly. The X-ray source, the collimator and the detector assembly are arranged in series, so that each line detector is aligned with the corresponding collimator slit and the focal spot, and is simultaneously displaceable by a scan motion relative to the exposure volume. The scan motion is primarily a rotation around a rotation axis arranged such that the detector assembly is situated essentially between the rotation axis and the X-ray source. Combined two and three-dimensional examination are also permitted according to the disclosed methods and apparatus.
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公开(公告)号：US10682107B2
公开(公告)日：2020-06-16
申请号：US12023304
申请日：2008-01-31
申请人： Torbjörn Hjärn , Magnus Hemmendorff
发明人： Torbjörn Hjärn , Magnus Hemmendorff
摘要： Three-dimensional imaging of a breast tissue is achieved by acquiring a series of X-ray projection images from various angles. A three-dimensional image constructed from the projection images by a computer provides information to the operator to select a coordinate point within the breast from which to obtain a biopsy sample. Acquisition of projection images and construction of three-dimensional images is continued during the insertion of the needle into the breast, during positioning the needle towards the coordinate point, during the sampling and after the sampling. The advantages of utilizing tomosynthesis for breast tissue imaging over stereo imaging include better image quality, easier coordinate measurements within a tissue, ease of use of the equipment by the medical personnel, and fewer image artifact problems.
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公开(公告)号：US20140140472A1
公开(公告)日：2014-05-22
申请号：US14128858
申请日：2012-06-27
申请人： Magnus Hemmendorff , Torbjörn Hjärn
发明人： Magnus Hemmendorff , Torbjörn Hjärn
IPC分类号： A61B6/02
CPC分类号： A61B6/025 , A61B6/0414 , A61B6/06 , A61B6/4452 , A61B6/4476 , A61B6/502 , A61B6/547
摘要： According to one embodiment, the x-ray apparatus comprises an x-ray source adapted to emit an x-ray beam, a detector adapted to receive the x-ray beam of the x-ray source, wherein the x-ray source is adapted to be moved in relation to a first portion of the x-ray apparatus, wherein the detector is adapted to be moved in relation to a first portion of the x-ray apparatus, the x-ray apparatus further comprising a control unit for controlling the movement of the x-ray source and detector, wherein the x-ray x-ray beam is directed essentially towards the detector during the movement of the x-ray source and the detector.
摘要翻译： 根据一个实施例，X射线设备包括适于发射X射线束的X射线源，适于接收x射线源的x射线束的检测器，其中x射线源被适配 相对于x射线设备的第一部分移动，其中检测器适于相对于x射线设备的第一部分移动，所述x射线设备还包括控制单元，用于控制 X射线源和检测器的移动，其中x射线X射线束在X射线源和检测器的移动期间主要指向检测器。
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公开(公告)号：US07676019B2
公开(公告)日：2010-03-09
申请号：US11669933
申请日：2007-01-31
申请人： Kjell Eldered , Torbjörn Hjärn
发明人： Kjell Eldered , Torbjörn Hjärn
IPC分类号： A61B6/04
摘要： The present invention relates to a compression arrangement for use in an x-ray imaging apparatus, the arrangement comprising a compression paddle and an actuator for displacing said compression paddle in a distance, said paddle having an extension direction substantially transverse to an object insertion direction. The actuator is operatively arranged to incline said paddle along said extension direction.
摘要翻译： 本发明涉及一种用于X射线成像设备的压缩装置，该装置包括压缩桨和用于使所述压缩桨一段距离移位的致动器，所述桨具有基本上横向于物体插入方向的延伸方向。 致动器可操作地布置成沿着所述延伸方向倾斜所述桨叶。
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