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    • 2. 发明申请
    • MULTILUMEN BRACHYTHERAPY BALLOON CATHETER
    • 多用途BRACHYTHERAPY BALLOON CATHETER
    • WO2009094159A1
    • 2009-07-30
    • PCT/US2009/000402
    • 2009-01-22
    • SENORX, INC.ACOSTA, George, M.LUBOCK, Paul
    • ACOSTA, George, M.LUBOCK, Paul
    • A61N5/10
    • A61N5/1015A61F7/123A61M25/10A61M25/1034A61M25/1036A61M2025/0036A61M2025/004A61N1/403A61N2005/1018
    • The disclosure describes a device for asymmetrical irradiation of a body cavity or site, such as after removal of tissue, e.g. biopsy or lumpectomy. The device includes an elongated tubular shaft having an inner lumen and a tubular wall with a plurality of lumens extending within the wall which are configured for receiving a radiation source. The distal portion of the tubular shaft is cut into a plurality of longitudinally separated wall segments with a lumen extending within at least one of the wall segments. A support member is positioned within the separated wall segments to support and position the wall segments in a desired configuration for brachytherapy. An expandable member such as an inflatable balloon is mounted on the distal shaft portion about the separated wall segments wall which when inflated secures the distal shaft portion within a desired intracorporeal site for brachytherapy treatment.
    • 本公开描述了用于体腔或部位的不对称照射的装置,例如在去除组织之后,例如, 活检或肿瘤切除术。 该装置包括细长的管状轴,其具有内腔和管状壁,所述管状壁具有在壁内延伸的多个腔,所述多个腔在构造成用于接收辐射源。 管状轴的远端部分被切割成多个纵向分离的壁段,其中内腔在至少一个壁段内延伸。 支撑构件被定位在分离的壁段内以支撑和定位所需的构造的壁段用于近距离放射治疗。 诸如可膨胀气囊的可膨胀构件围绕分离的壁段壁安装在远侧轴部分上,当被充气时将远端轴部分固定在期望的体内位置以进行近距离放射治疗。