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    • 3. 发明授权
    • Methods of maintaining selective flow within a vessel
    • 在容器内保持选择性流动的方法
    • US06669680B1
    • 2003-12-30
    • US09564281
    • 2000-05-04
    • John MacoviakWilfred Samson
    • John MacoviakWilfred Samson
    • A61M3100
    • A61M25/0067A61B17/12036A61B17/12045A61B17/12109A61B17/12131A61B17/12136A61B2017/1205A61M25/007A61M25/1002A61M2025/0037A61M2025/0073A61M2025/1072A61M2025/1095
    • The invention is a catheter with a fluid flow divider positioned near the distal end of the catheter for dividing a first lumen into two channels at a point where a second lumen branches from the first lumen, and for selectively perfusing the branch lumen. The invention is particularly suited for use in the aortic arch. The fluid flow divider may comprise one or more inflatable chambers or one or more deployable shrouds comprising a plurality of arms with a webbing extending between adjacent arms. The inflatable chambers may be relatively noncompliant or they may be compliant, exhibiting elastic behavior after initial inflation, to closely fit the aortic lumen size and curvature. The catheter may further include one or more additional or auxiliary flow control members located upstream or downstream from the fluid flow divider to further segment the patient's circulatory system for selective perfusion to different organ systems within the body or to assist in anchoring the catheter in a desired position.
    • 本发明是一种导管,其具有定位在导管远端附近的流体分流器,用于在第二腔从第一腔分支的点处将第一腔分成两个通道,并用于选择性地灌注分支腔。 本发明特别适用于主动脉弓。 流体分流器可以包括一个或多个可充气室或一个或多个可展开的护罩,其包括具有在相邻臂之间延伸的织带的多个臂。 充气室可以是相对不符合的,或者它们可以是柔顺的,在初始充气之后表现出弹性,以紧密地适应主动脉腔的尺寸和曲率。 导管还可以包括位于流体分流器的上游或下游的一个或多个附加或辅助流动控制构件,以进一步分割患者的循环系统,以选择性灌注到体内的不同器官系统,或帮助将导管锚定在期望的 位置。
    • 5. 发明申请
    • Devices, systems, and methods for treating atrial fibrillation
    • 用于治疗房颤的装置,系统和方法
    • US20050228468A1
    • 2005-10-13
    • US10815477
    • 2004-04-01
    • John MacoviakDavid Rahdert
    • John MacoviakDavid Rahdert
    • A61B18/14A61B19/00A61F2/00A61F2/02A61M35/00A61N1/00
    • A61B18/1492A61B90/50A61B2018/00214A61B2018/00369A61B2018/00375A61B2218/002A61F2/2487
    • Devices, systems and methods establish scaffold-like structures within the heart or a body cavity. The scaffold-like structures establish a stable platform that makes it possible to accomplish a desired therapeutic and/or diagnostic objective in a targeted fashion in one or more tissue regions. The desired therapeutic and/or diagnostic objectives can include, e.g., (i) the delivery of various chemical, drug, and/or biological agents (in liquid, gel, or wafer form) into contact on or in the tissue regions, to accomplish, e.g., ablation or other therapeutic objectives in a controlled, precise fashion; and/or (ii) the delivery of mechanical, heat, cooling, or electrical energy to the tissue region—e.g., to promote the intake by tissue of a chemical, drug, or biological agent, or to pace heart tissue, or to form temporary or permanent conduction blocks, or to otherwise achieve localized effects in targeted tissue regions such as tissue shrinkage, or combinations thereof; and/or (iii) the positioning of physiologic sensors and/or monitors to analyze heart function for diagnostic purposes, e.g., to locate the origin of ectopic pacemakers or other regions where therapeutic intervention may be indicated.
    • 设备,系统和方法在心脏或体腔内建立支架样结构。 脚手架结构建立了稳定的平台,使得可以在一个或多个组织区域中以目标方式实现期望的治疗和/或诊断目标。 期望的治疗和/或诊断目标可以包括例如(i)将各种化学药物,药物和/或生物制剂(液体,凝胶或晶片形式)递送到组织区域上或组织区域中的接触以完成 ,例如,以可控制的精确方式消融或其他治疗目标; 和/或(ii)将机械,热,冷却或电能递送到组织区域 - 例如,促进化学,药物或生物制剂的组织的摄入,或者调节心脏组织,或形成 临时或永久传导阻滞,或以其他方式实现靶组织区域如组织收缩或其组合的局部效应; 和/或(iii)生理传感器和/或监护仪的定位以分析用于诊断目的的心脏功能,例如定位异位心脏起搏器的起源或可指示治疗干预的其它区域。