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31 条记录 (耗时 0.044 秒)

    Medical device
    2.
    发明申请
    Medical device 审中-公开
    医疗装置

    公开(公告)号：US20070027532A1

    公开(公告)日：2007-02-01

    申请号：US11449257

    申请日：2006-06-08

    申请人： Xingwu Wang ,  Howard Greenwald

    发明人： Xingwu Wang ,  Howard Greenwald

    IPC分类号： A61F2/06

    CPC分类号： A61F2/82

    摘要： An implantable medical device comprised of a lumen. When the device is, at different points in time, exposed to two different radio frequency electromagnetic radiations, one of whose frequencies differs from the other by a factor of at least 1.5, at least 90 percent of each of the radio frequency electromagnetic radiations penetrates to the lumen of the device.

    摘要翻译： 由内腔构成的可植入医疗装置。 当设备在不同的时间点暴露于两个不同的射频电磁辐射时，其中一个频率与另一个的频率不同，至少为1.5倍，每个射频电磁辐射的至少90％渗透到 设备的管腔。

    Medical device
    4.
    发明申请
    Medical device 审中-公开
    医疗装置

    公开(公告)号：US20050278020A1

    公开(公告)日：2005-12-15

    申请号：US11136630

    申请日：2005-05-24

    申请人： Xingwu Wang ,  Howard Greenwald

    发明人： Xingwu Wang ,  Howard Greenwald

    IPC分类号： A61F2/06 ,  A61K49/00 ,  A61K49/18 ,  C07F5/00

    CPC分类号： A61K49/18 ,  A61K49/1818

    摘要： An implantable medical device comprised of a lumen. When the device is, at different points in time, exposed to two different radio frequency electromagnetic radiations, one of whose frequencies differs from the other by a factor of at least 1.5, at least 90 percent of each of the radio frequency electromagnetic radiations penetrates to the lumen of the device.

    摘要翻译： 由内腔构成的可植入医疗装置。 当设备在不同的时间点暴露于两个不同的射频电磁辐射时，其中一个频率与另一个的频率不同，至少为1.5倍，每个射频电磁辐射的至少90％渗透到 设备的管腔。

    Implantable medical device
    5.
    发明申请
    Implantable medical device 审中-公开
    植入式医疗器械

    公开(公告)号：US20050165471A1

    公开(公告)日：2005-07-28

    申请号：US10950148

    申请日：2004-09-24

    申请人： Xingwu Wang ,  Howard Greenwald

    发明人： Xingwu Wang ,  Howard Greenwald

    IPC分类号： A61F2/82 ,  A61L31/14 ,  A61L31/16 ,  H02J7/00 ,  A61F2/06

    CPC分类号： A61F2/82 ,  A61L31/14 ,  A61L31/16 ,  A61L2300/00 ,  B82Y15/00 ,  B82Y20/00 ,  B82Y25/00

    摘要： A metallic stent that, when it is contacted with an input alternating current electromagnetic field and a static magnetic field that contacts biological matter located within the stent, an output signal is produced that that has a fixed phase relationship with the input signal and that has a magnitude that is at least about 0.01 times as great as the magnitude of the input signal.

    摘要翻译： 一种金属支架，当其与输入交流电磁场和接触位于支架内的生物物质的静态磁场接触时，产生与输入信号具有固定相位关系的输出信号，并且具有 其幅度至少为输入信号幅度的大约0.01倍。

    Material to enable magnetic resonance imaging of implantable medical devices
    6.
    发明申请
    Material to enable magnetic resonance imaging of implantable medical devices 审中-公开
    用于实现可植入医疗器械的磁共振成像的材料

    公开(公告)号：US20060118758A1

    公开(公告)日：2006-06-08

    申请号：US11227590

    申请日：2005-09-15

    申请人： Xingwu Wang ,  Howard Greenwald ,  Robert Gray

    发明人： Xingwu Wang ,  Howard Greenwald ,  Robert Gray

    IPC分类号： H01F1/00 ,  H01F1/20

    CPC分类号： H01F1/0063 ,  A61K49/18 ,  A61K49/1818 ,  A61K51/1244 ,  A61L29/18 ,  A61L31/18 ,  A61L2400/12 ,  B82Y5/00 ,  B82Y25/00

    摘要： In accordance with the present invention, there is provided a composition of matter comprised of about 90% by weight of particles smaller than about 100 nanometers comprised of magnetic atoms. These nanomagnetic particles have a first magnetic moment between about 2 to about 3,000 emu per cubic centimeter, and a magnetic durability such that after about 6 months the magnetic moment does not vary by more than 5%. The nanomagnetic material, when used with implantable medical devices, upon exposure to magnetic resonance imaging (MRI) radiation, reduces the eddy currents, improves the imageability, cancels the positive susceptibility, improves the magnetic field about such devices, and may be used to modify the magnetic susceptibility of such devices. Also provided in accordance with the present invention is a preferred process for preparing such nanomagnetic material, certain preferred devices that comprise the nanomagnetic material, and a process for preparing certain flexible implantable medical devices that comprise the nanomagnetic material.

    摘要翻译： 根据本发明，提供了由约90重量％的由磁性原子组成的小于约100纳米的颗粒组成的物质组合物。 这些纳米磁性颗粒具有约2至约3,000emu /立方厘米之间的第一磁矩和磁性耐久性，使得在约6个月后，磁矩不变化大于5％。 当纳米磁性材料与可植入医疗器械一起使用时，在暴露于磁共振成像（MRI）辐射时，可减少涡流，改善成像性，消除正磁敏感，改善这种器件的磁场，并可用于修改 这种器件的磁化率。 根据本发明还提供了制备这种纳米磁性材料的优选方法，包含纳米磁性材料的某些优选装置，以及用于制备包含纳米磁性材料的某些柔性可植入医疗装置的方法。

    Implantable medical device
    7.
    发明申请
    Implantable medical device 审中-公开
    植入式医疗器械

    公开(公告)号：US20050149169A1

    公开(公告)日：2005-07-07

    申请号：US10974412

    申请日：2004-10-27

    申请人： Xingwu Wang ,  Howard Greenwald

    发明人： Xingwu Wang ,  Howard Greenwald

    IPC分类号： A61F2/00 ,  A61F2/82 ,  A61L29/18 ,  A61L31/18 ,  A61F2/06

    CPC分类号： A61F2/82 ,  A61F2210/009 ,  A61L29/18 ,  A61L31/18

    摘要： An implantable medical device assembly that contains magnetic material with a saturation magnetization of at least about 0.15 Tesla and which has a direct current permeability at a static magnetic field value of 1.5 Tesla of at least 1.1. When the magnetic material and is simultaneously subjected to an alternating current electromagnetic field with a frequency of 64 megahertz and a static magnetic field of 1.5 Tesla, it has a magnetization of less than 100 electromagnetic units per cubic centimeter.

    摘要翻译： 一种可植入医疗器械组件，其包含具有至少约0.15特斯拉的饱和磁化强度的磁性材料，并且其在1.5特斯拉的静态磁场值下具有至少1.1的直流渗透性。 当磁性材料同时经受频率为64兆赫，静态磁场为1.5特斯拉的交流电磁场时，其磁化强度小于每立方厘米100个电磁单位。

    Coated stent assembly and coating materials
    9.
    发明申请
    Coated stent assembly and coating materials 审中-公开
    涂层支架组件和涂层材料

    公开(公告)号：US20060140867A1

    公开(公告)日：2006-06-29

    申请号：US11128591

    申请日：2005-05-13

    申请人： Jeffrey Helfer ,  Xingwu Wang ,  Robert Gray ,  Howard Greenwald

    发明人： Jeffrey Helfer ,  Xingwu Wang ,  Robert Gray ,  Howard Greenwald

    IPC分类号： A61K49/06

    CPC分类号： A61K49/1821 ,  B82Y5/00

    摘要： A high magnetic susceptibility nanomagnetic material that may be attached to recognition molecules and other therapeutic biological materials so as to be targeted to specific biologic tissues, thereby enabling the presence of the targeted tissue to be detected under magnetic resonance imaging with much greater sensitivity. Also a stent coated with such nanomagnetic material to enable artifact free imaging of such stent under magnetic resonance imaging.

    摘要翻译： 可以附着到识别分子和其他治疗生物材料上以便靶向特定生物组织的高磁化率纳米磁性材料，从而使得能够以更高的灵敏度在磁共振成像下存在待检测的靶组织。 还有一种涂有这种纳米磁性材料的支架，以在磁共振成像下能够对这种支架进行无伪影成像。

    Coated substrate assembly
    10.
    发明申请
    Coated substrate assembly 审中-公开
    涂布基板组件

    公开(公告)号：US20050155779A1

    公开(公告)日：2005-07-21

    申请号：US11067325

    申请日：2005-02-25

    申请人： Xingwu Wang ,  Howard Greenwald

    发明人： Xingwu Wang ,  Howard Greenwald

    IPC分类号： A61L31/08 ,  A61L31/18 ,  A61N1/16 ,  A61N2/00 ,  A61N2/06 ,  H02J7/00 ,  G01V3/00

    CPC分类号： A61F2/82 ,  A61F2210/009 ,  A61L31/082 ,  A61L31/18 ,  A61N1/16 ,  A61N2/002 ,  A61N2/06 ,  B82Y15/00 ,  B82Y20/00 ,  B82Y25/00

    摘要： A coated assembly comprised of a coating that has a relative magnetic permeability of at least 1.1 over the range of frequencies of from about 10 megahertz to about 200 megahertz, an increase of such relative magnetic permeability over such range of from about 1×10−14 to about 1×10−6 per hertz, and a magnetization, when measured at a direct current magnetic field of 2 Tesla, of from about 0.1 to about 10 electromagnetic units per cubic centimeter.

    摘要翻译： 涂覆组件由在约10兆赫兹至约200兆赫兹的频率范围内具有至少1.1的相对导磁率的涂层组成，在这样的范围内，这种相对导磁率的增加为约1×10 -6， 14Hz至约1×10 -6 / Hz，当在2特斯拉的直流磁场下测量时磁化强度为约0.1至约10个电磁单位/立方厘米。