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    • 68. 发明申请
    • BALLOON CATHETER
    • 气球导管
    • US20150343183A1
    • 2015-12-03
    • US14820283
    • 2015-08-06
    • TERUMO CLINICAL SUPPLY CO., LTD.
    • Tatsuya KAWASE
    • A61M25/10A61M25/00
    • A61M25/003A61M25/104A61M2025/0039A61M2025/0059A61M2025/1052
    • A balloon catheter has an inner tube having a first lumen, an outer tube part coaxial with the inner tube and forming a second lumen between the outer tube part and an outer surface of the inner tube, and a balloon part having a front end portion fixed to a front end portion of the inner tube and an inside communicating with the second lumen. The balloon part has a bulged portion, having an expansion forming mode formed in advance, which is elastically deformable beyond the expansion forming mode by an expansion liquid injected thereinto. The outer tube part has a front side sleeve portion extending from a rear end portion of the bulged portion of the balloon part to a proximal end of the outer tube part, integrally formed with the balloon part using the same material as that of the balloon part, and substantially non-expandable.
    • 球囊导管具有内管,其具有第一内腔,与内管同轴的外管部,并且在外管部和内管的外表面之间形成第二内腔,以及气囊部,其具有固定的前端部 到内管的前端部分和与第二管腔连通的内部。 气囊部具有膨胀部,其具有预先形成的膨胀成形模,该膨胀成形模可以通过注入到其中的膨胀液而弹性变形为膨胀形成模式。 外筒部具有前侧套筒部,该前侧套筒部从球囊部的鼓出部的后端部到外管部的基端部,与气囊部一体形成,使用与气囊部相同的材料 ,并且基本上不可膨胀。
    • 70. 发明授权
    • Adjustable balloon catheter for extravasated drug delivery
    • 用于外渗药物输送的可调节气囊导管
    • US09180281B2
    • 2015-11-10
    • US13436358
    • 2012-03-30
    • Lawrence J. GerransErhan H. Gunday
    • Lawrence J. GerransErhan H. Gunday
    • A61M31/00A61M25/10A61M25/00
    • A61M25/1011A61M25/007A61M25/10181A61M25/10184A61M2025/1015A61M2025/105A61M2025/1052A61M2025/109
    • An adjustable balloon catheter for extravasated drug delivery is disclosed generally including an outer catheter with a first balloon and an inner catheter with a second balloon. The inner catheter is moveably disposed in a lumen of the outer catheter such that the inner catheter moves relative to the outer catheter, changing the distance between the balloons. A fluid source supplies air to the catheters via lumens therein to inflate the balloons to create a chamber between them, and at least one of the catheters has a lumen for delivering a therapeutic and/or diagnostic agent to the chamber. The inner catheter is then moved relative to the outer catheter to decrease the size of the chamber between the balloons and decrease the fluid pressure therein such that the therapeutic and/or diagnostic agent is extravasated into the surrounding tissue.
    • 公开了一种用于外渗药物递送的可调节气囊导管,其通常包括具有第一气囊的外导管和具有第二气囊的内导管。 内导管可移动地设置在外导管的内腔中,使得内导管相对于外导管移动,改变气囊之间的距离。 流体源通过其中的内腔向导管提供空气,以使气囊膨胀以在它们之间形成室,并且至少一个导管具有用于将治疗剂和/或诊断剂递送至腔室的内腔。 然后使内导管相对于外导管移动以减小气囊之间的腔室的尺寸并降低其中的流体压力,使得治疗剂和/或诊断剂外渗到周围组织中。