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42 条记录 (耗时 0.028 秒)

    Low-compliance expandable medical device
    38.
    发明申请
    Low-compliance expandable medical device 审中-公开
    低合规可扩展医疗设备

    公开(公告)号：US20070050034A1

    公开(公告)日：2007-03-01

    申请号：US11438692

    申请日：2006-05-23

    申请人： Jeffrey Schwardt ,  Andrea Leung ,  Richard Layne

    发明人： Jeffrey Schwardt ,  Andrea Leung ,  Richard Layne

    IPC分类号： A61F2/44 ,  A61B17/88

    CPC分类号： A61M29/02 ,  A61B17/7097 ,  A61B17/8855 ,  A61B2017/00557 ,  A61F2/44

    摘要： In one embodiment, an apparatus includes an elongate body and an expandable member coupled to the elongate body. The expandable member is configured to be disposed within an interior of a vertebral body having a first portion that includes cancellous bone and having a second portion that includes sclerotic bone distinct from an endplate of the vertebral body. The expandable member is configured to exert a first pressure on the first portion of the vertebral body and a second pressure different from the first pressure on the second portion of the vertebral body. The second pressure is sufficient to move the second portion of the vertebral body in a direction away from the expandable member when the expandable member is expanded within the interior of the vertebral body.

    摘要翻译： 在一个实施例中，一种装置包括细长主体和联接到细长主体的可扩张构件。 可扩张构件被配置为设置在椎体的内部，其具有包括松质骨的第一部分，并且具有包括与椎体的端板不同的硬化骨的第二部分。 可膨胀构件构造成在椎体的第一部分上施加第一压力，并且在椎体的第二部分上施加不同于第一压力的第二压力。 当可扩张构件在椎体的内部扩张时，第二压力足以使椎体的第二部分沿远离可扩张构件的方向移动。

    Elongating balloon device and method for soft tissue expansion
    39.
    发明申请
    Elongating balloon device and method for soft tissue expansion 审中-公开
    伸长气囊装置及软组织扩张方法

    公开(公告)号：US20060149136A1

    公开(公告)日：2006-07-06

    申请号：US11021786

    申请日：2004-12-22

    申请人： Christine Seto ,  Nenita Salom ,  Cesar Ico ,  Richard Layne

    发明人： Christine Seto ,  Nenita Salom ,  Cesar Ico ,  Richard Layne

    IPC分类号： A61B1/32

    CPC分类号： A61B17/320016 ,  A61B17/0218 ,  A61B2017/00557 ,  A61B2017/320048

    摘要： Tissue distractor devices, systems, and methods for soft tissue expansion in order to create a space between the tissue to improve visualization and for increased working space during surgery are disclosed. One method for separating soft tissues for cannula access to a treatment site within a patient body comprises providing a catheter having a tissue distractor on a distal end thereof and positioning the catheter between the soft tissues near the treatment site. Once properly positioned, the tissue distractor is expanded so as to separate the soft tissues. The tissue distractor is then elongated by mechanical actuation so as to provide cannula access to the treatment site. The cannula forms a working channel for surgical procedures, particularly minimally invasive surgical procedures.

    摘要翻译： 公开了用于软组织扩张的组织牵引器装置，系统和方法，以便在组织之间产生空间以改善可视化并且增加手术期间的工作空间。 用于将用于套管进入的软组织分离到患者体内的治疗部位的一种方法包括在其远端提供具有组织牵引器的导管，并将导管定位在靠近治疗部位的软组织之间。 一旦适当定位，组织牵引器被扩张以便分离软组织。 然后通过机械致动使组织牵引器伸长，以便提供到治疗部位的套管通路。 套管形成用于外科手术的工作通道，特别是微创外科手术。