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    • 7. 发明申请
    • MEDICAL DEVICE
    • 医疗装置
    • WO2009097621A1
    • 2009-08-06
    • PCT/US2009/032891
    • 2009-02-02
    • PROTEON THERAPEUTICS, LLCFRANANO, F. NicholasGOTTLIEB, Daniel Philip
    • FRANANO, F. NicholasGOTTLIEB, Daniel Philip
    • A61M29/00
    • A61M29/02A61M25/0082
    • A medical device for the delivery of fluids into or through the wall of a biological space or conduit is described. The medical device comprises one or more actuators, which may exist in a constrained configuration which is substantially parallel to the longitudinal axis of the device or an unconstrained configuration in which at least a portion of the one or more actuators is oriented substantially non-parallel to the longitudinal axis of the device. The device further comprises tissue penetrators, which may be attached to the actuators or contained within the actuators. Upon positioning of the device at the target treatment site within a biological space or conduit, the operator may release the actuators from their constrained position, allowing the actuators to adopt their unconstrained position and make contact with an adjacent wall of a biological space or conduit. The actuators are configured to minimize the physical contact between the device and the target tissue, thereby permitting uniform and enhanced delivery of fluids into less compressed tissue, with reduced tissue trauma.
    • 描述了用于将流体输送入或通过生物空间或导管的壁的医疗装置。 医疗装置包括一个或多个致动器,其可以以约束构造存在,其基本上平行于装置的纵向轴线或非约束构造,其中,一个或多个致动器的至少一部分基本上不平行于 设备的纵轴。 该装置还包括组织穿透器,其可附接到致动器或包含在致动器内。 在将装置定位在生物空间或导管内的目标处理部位时,操作者可以将致动器从其约束位置释放,从而允许致动器采用其无约束位置并与生物空间或导管的相邻壁接触。 致动器构造成使装置和目标组织之间的物理接触最小化,从而允许均匀和增强的流体输送到较不压缩的组织中,同时减少组织损伤。