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    • 4. 发明申请
    • SEQUENTIALLLY INFLATABLE BALLOONS FOR DELIVERY OF TREATMENT AGENTS
    • 用于递送治疗药剂的顺铂可充气气球
    • WO2008123937A1
    • 2008-10-16
    • PCT/US2008/003976
    • 2008-03-26
    • ABBOTT CARDIOVASCULAR SYSTEMS INC.FOREMAN, Philip, C.MURASE, Katsuyuki
    • FOREMAN, Philip, C.MURASE, Katsuyuki
    • A61M25/10
    • A61M25/1011A61M25/1002A61M2025/105A61M2025/1052A61M2025/1059A61M2025/1068A61M2025/1072
    • An apparatus including a cannula (215) having a dimension suitable for insertion into a blood vessel and an expandable body (218) coupled thereto, the expandable body comprising a first expandable member (216a) and a second expandable member (216f) to isolate a length of the vessel upon expansion within the blood vessel. The expandable body having an intermediate expandable member (216b, 216c, 216d, 216e) along a working length between the first expandable member and the second expandable. A method including introducing a cannula and an expandable body coupled thereto into a blood vessel at a point coextensive with a treatmentsite and expanding a first expandable member (216a) and a second expandable member (216f) the expandable body to isolate a length of the vessel adjacent the treatment site. The method further including delivering a treatment agent to a vessel" region between the first expandable member (216a) and the second expandable member (216f) while inflating and deflating an intermediate expandable member.
    • 一种包括具有适于插入血管的尺寸的套管(215)和与其联接的可膨胀体(218)的装置,所述可膨胀体包括第一可膨胀构件(216a)和第二可膨胀构件(216f),以隔离 在血管内扩张时的血管长度。 所述可膨胀体具有沿着所述第一可膨胀构件和所述第二可膨胀构件之间的工作长度的中间可膨胀构件(216b,216c,216d,216e)。 一种方法,包括将与其连接的套管和可扩张体引入到与治疗组共同延伸的点处并扩张第一可膨胀构件(216a)和扩张体的第二可膨胀构件(216f)以分离血管的长度 毗邻治疗现场。 所述方法还包括在对中间可膨胀构件进行充气和放气的同时将处理剂递送到第一可膨胀构件(216a)和第二可膨胀构件(216f)之间的容器“区域。