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    Microcoil vaso-occlusive device with multi-axis secondary configuration
    4.
    发明授权
    Microcoil vaso-occlusive device with multi-axis secondary configuration 有权

    公开(公告)号：US07033374B2

    公开(公告)日：2006-04-25

    申请号：US10043947

    申请日：2002-01-11

    申请人： Dean Schaefer ,  Brian J. Cox ,  George R. Greene, Jr. ,  David A. Ferrera ,  Matthew Fitz ,  Robert F. Rosenbluth

    发明人： Dean Schaefer ,  Brian J. Cox ,  George R. Greene, Jr. ,  David A. Ferrera ,  Matthew Fitz ,  Robert F. Rosenbluth

    IPC分类号： A61M29/00

    CPC分类号： A61B17/12022 ,  A61B17/12113 ,  A61B17/12145 ,  A61B2017/00526 ,  A61B2017/00867

    摘要： A vaso-occlusive device includes a microcoil formed into a minimum energy state secondary configuration comprising a plurality of curved segments, each defining a discrete axis, whereby the device, in its minimum energy state configuration, defines multiple axes. In a preferred embodiment, the secondary configuration-comprises a plurality of interconnected closed loops defining a plurality of discrete axes. In a second embodiment, the secondary configuration defines a wave-form like structure comprising an array of laterally-alternating open loops defining a plurality of separate axes. In a third embodiment, the secondary configuration forms a series of tangential closed loops, wherein the entire structure subtends a first angle of arc, and wherein each adjacent pair of loops defines a second angle of arc. In a fourth embodiment, the secondary configuration forms a logarithmic spiral. In all embodiments, the device, in its secondary configuration, has a dimension that is substantially larger than the largest dimension of the vascular site (i.e., aneurysm) in which it is to be deployed. Thus, confinement of the device within an aneurysm causes it to assume a three-dimensional configuration with a higher energy state than the minimum energy state. Because the minimum energy state configuration of the device is larger (in at least one dimension) than the aneurysm, the deployed device is constrained by its contact with the walls of the aneurysm from returning to its minimum energy state configuration. The engagement of the device with the aneurysm wall minimizes shifting or tumbling due to blood flow. Furthermore, the secondary configuration is not conducive to “coin stacking,” thereby minimizing the compaction experienced.

    X-ray tube with secondary discharge attenuation
    6.
    发明授权
    X-ray tube with secondary discharge attenuation 有权
    X射线管具有二次放电衰减

    公开(公告)号：US08542801B2

    公开(公告)日：2013-09-24

    申请号：US12986931

    申请日：2011-01-07

    申请人： Ethan James Westcot ,  Thomas Dean Schaefer ,  Kalyan Koppisetty

    发明人： Ethan James Westcot ,  Thomas Dean Schaefer ,  Kalyan Koppisetty

    IPC分类号： H05G1/52

    CPC分类号： H01J35/16 ,  H01J35/14 ,  H01J2235/166

    摘要： The present embodiments relate to off-focal X-ray radiation attenuation within X-ray tubes, for example X-ray tubes used in CT imaging. In one embodiment, an X-ray tube for off-focal X-ray radiation attenuation is provided. The X-ray tube includes a cathode, a target, and a magnetic focal spot control unit having at least one electromagnet encased in a resin loaded with X-ray attenuating material.

    摘要翻译： 本实施例涉及X射线管内的焦距X射线辐射衰减，例如用于CT成像的X射线管。 在一个实施例中，提供了用于非焦点X射线辐射衰减的X射线管。 X射线管包括阴极，靶和磁焦点控制单元，其具有封装在装载有X射线衰减材料的树脂中的至少一个电磁体。

    X-ray shielded connector
    7.
    发明授权
    X-ray shielded connector 有权
    X射线屏蔽连接器

    公开(公告)号：US08512059B2

    公开(公告)日：2013-08-20

    申请号：US12987889

    申请日：2011-01-10

    申请人： Thomas Dean Schaefer ,  Ron Kent Hockersmith ,  Edward Emaci

    发明人： Thomas Dean Schaefer ,  Ron Kent Hockersmith ,  Edward Emaci

    IPC分类号： H01R13/52

    CPC分类号： H01J35/165 ,  G21F1/106 ,  G21F3/00 ,  H01J2235/023 ,  Y10T29/49204

    摘要： The present embodiments relate to off-focal X-ray radiation attenuation within a connector. In one embodiment, a connector X-ray shielding capabilities is provided. The connector includes a housing with openings for an electrical cable as well as an electrical connection. The connector further includes an X-ray shielding liner made of moldable synthetic material doped with an X-ray attenuating material. The X-ray shielding liner is disposed within the housing, and also includes openings for the electrical cable and electrical connection.

    摘要翻译： 本实施例涉及连接器内的非局域X射线辐射衰减。 在一个实施例中，提供连接器X射线屏蔽能力。 连接器包括具有用于电缆的开口的外壳以及电连接。 连接器还包括由掺有X射线衰减材料的可模制合成材料制成的X射线屏蔽衬里。 X射线屏蔽衬垫设置在壳体内，并且还包括用于电缆和电连接的开口。

    X-RAY SHIELDED CONNECTOR
    8.
    发明申请
    X-RAY SHIELDED CONNECTOR 有权
    X射线屏蔽连接器

    公开(公告)号：US20120178297A1

    公开(公告)日：2012-07-12

    申请号：US12987889

    申请日：2011-01-10

    申请人： Thomas Dean Schaefer ,  Ron Kent Hockersmith ,  Edward Emaci

    发明人： Thomas Dean Schaefer ,  Ron Kent Hockersmith ,  Edward Emaci

    IPC分类号： H01R13/46 ,  H01R43/16

    CPC分类号： H01J35/165 ,  G21F1/106 ,  G21F3/00 ,  H01J2235/023 ,  Y10T29/49204

    摘要： The present embodiments relate to off-focal X-ray radiation attenuation within a connector. In one embodiment, a connector X-ray shielding capabilities is provided. The connector includes a housing with openings for an electrical cable as well as an electrical connection. The connector further includes an X-ray shielding liner made of moldable synthetic material doped with an X-ray attenuating material. The X-ray shielding liner is disposed within the housing, and also includes openings for the electrical cable and electrical connection.

    摘要翻译： 本实施例涉及连接器内的非局域X射线辐射衰减。 在一个实施例中，提供连接器X射线屏蔽能力。 连接器包括具有用于电缆的开口的外壳以及电连接。 连接器还包括由掺有X射线衰减材料的可模制合成材料制成的X射线屏蔽衬里。 X射线屏蔽衬垫设置在壳体内，并且还包括用于电缆和电连接的开口。