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    • 4. 发明申请
    • CATHETER FOR TARGET SPECIFIC DRUG DELIVERY
    • 用于目标特定药物递送的导管
    • WO0207810A3
    • 2002-06-13
    • PCT/US0123434
    • 2001-07-26
    • MEDTRONIC INC
    • ELSBERRY DENNIS DCHRISTIANSEN CHRISMORRIS MARY MHANKNER DOUGLAS OHAMLEN ROBERT C
    • A61M5/142A61M5/168A61M25/00A61M39/02
    • A61M5/14276A61M5/16877A61M25/007A61M39/02A61M2025/0057
    • A medical catheter (22) comprising a proximal end (24) having an opening for fluid containing a therapeutic drug, a distal end (26), the distal end defining at least one opening, and a porous portion covering the opening defined by the distal end. In one embodiment, the medical catheter comprises a proximal end having an opening for fluid containing a therapeutic drug, at least two distal ends (26, 26'), the proximal end connected to the two distal ends with a connector (50), the distal ends each defining at least one opening, a diffuser covering the opening of each distal end, and a separate restrictor downstream of the connector and upstream of each distal end to provide substantially equal flow through each distal end. An additional restrictor can also be placed upstream of the connector. In another embodiment, a combination diffuser and restrictor covers the opening of each distal end.
    • 医疗导管(22)包括具有用于含有治疗药物的流体的开口的近端(24),远端(26),限定至少一个开口的远端以及覆盖由远端限定的开口的多孔部分 结束。 在一个实施例中,医用导管包括具有用于含有治疗药物的流体的开口的近端,至少两个远端(26,26'),近端通过连接器(50)连接到两个远端, 各自限定至少一个开口的远端,覆盖每个远端的开口的扩散器,以及位于连接器下游和每个远端上游的单独限流器,以通过每个远端提供基本相等的流动。 另外的限流器也可以放置在连接器的上游。 在另一个实施例中,组合扩散器和限流器覆盖每个远端的开口。