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    • 4. 发明授权
    • Balloon catheter having improved balloon folding capability
    • 球囊导管具有改善的球囊折叠能力
    • US07857786B2
    • 2010-12-28
    • US11926767
    • 2007-10-29
    • David G. BurtonDavid A. Drewes, Jr.Eric R. HennessyDarin G. Schaeffer
    • David G. BurtonDavid A. Drewes, Jr.Eric R. HennessyDarin G. Schaeffer
    • A61M31/00
    • A61M25/10A61M25/1038A61M2025/1004
    • The present invention provides apparatus and methods for facilitating folding of a balloon before, during or after a medical procedure. In a first embodiment, the apparatus generally comprises at least one catheter shaft member, a balloon disposed on a distal region of the catheter shaft member, and at least one folding member disposed along at least a proximal region of the balloon. The folding member may comprise at least one radially-outward projecting member integrally formed with or attached to the balloon, or an internally-formed groove in the balloon, which is adapted to promote twisting of the balloon to reduce the profile of the balloon in the deflated state. Optionally, biasing members may be disposed between the folding member and an adjacent portion of the balloon to promote folding of the balloon in a clockwise or counter-clockwise direction.
    • 本发明提供了用于在医疗过程之前,期间或之后便于折叠气囊的装置和方法。 在第一实施例中,该装置通常包括至少一个导管轴构件,设置在导管轴构件的远侧区域上的气囊,以及沿气囊的至少近侧区域设置的至少一个折叠构件。 折叠构件可以包括与球囊一体地形成或附接到球囊上的至少一个径向向外突出的构件,或者球囊中的内部形成的凹槽,其适于促进气球的扭转,以减小球囊的轮廓 放气状态 可选地,偏压构件可以设置在折叠构件和球囊的相邻部分之间,以促进气囊沿顺时针或逆时针方向的折叠。
    • 7. 发明申请
    • PUSHABLE COAXIAL BALLOON CATHETER
    • 可同轴双壁导管
    • US20120158035A1
    • 2012-06-21
    • US12968893
    • 2010-12-15
    • DARIN G. SCHAEFFERDavid G. Burton
    • DARIN G. SCHAEFFERDavid G. Burton
    • A61M29/02
    • A61M25/104A61M25/0052A61M2025/0004A61M2025/0039A61M2025/0059
    • Coaxial balloon catheters are described herein. The balloon catheter can include outer and inner tubes in a coaxial relationship, with a balloon attached to an end thereof. A support sleeve can be disposed around the inner tubular member proximate the proximal end of the balloon. The support sleeve can have a channel formed therein to communicate with an inflation lumen and a balloon interior. The channel may be formed by separation of two longitudinal edges extending through the support sleeve. The support sleeve can include an outward extending portion that is sized to engage the distal end of the outer tube in order to limit relative movement between the inner and outer tubes. The support sleeve can be configured to orient the inner tube eccentrically or concentrically relative to the outer tube. The support sleeve can have an elongate body that can be extended in proximal or distal direction.
    • 本文描述了同轴气囊导管。 球囊导管可以包括同轴关系的外管和内管,气囊附接到其一端。 支撑套筒可以围绕靠近气囊近端的内部管状构件设置。 支撑套筒可以具有形成在其中的通道,以与充气腔和气囊内部连通。 通道可以通过分开延伸穿过支撑套筒的两个纵向边缘来形成。 支撑套筒可以包括向外延伸的部分,其大小适于与外管的远端接合,以便限制内管和外管之间的相对运动。 支撑套筒可以构造成相对于外管偏心或同心地定向内管。 支撑套筒可以具有可以在近端或远端方向上延伸的细长主体。