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    • 6. 发明授权
    • Method and apparatus for accessing the pericardial space
    • 用于获取心包空间的方法和装置
    • US06666844B1
    • 2003-12-23
    • US09625900
    • 2000-07-26
    • Stephen R. IgoJames W. MeadorRuben Trono
    • Stephen R. IgoJames W. MeadorRuben Trono
    • A61M500
    • A61M1/0058A61B17/00234A61B17/3468A61B17/3478A61B2017/00243A61B2017/00247A61B2017/00269A61B2017/22038A61B2017/306A61B2017/3488A61B2018/00392A61N1/0587
    • A pericardiocentesis apparatus and method for accessing the pericardial space. The invention consists of inserting a percutaneous tube whose tip has a hole which is positioned over and contacts the anterior pericardium. Introducing a vacuum within said tube forms a pericardial bleb within that hole. A guided needle within the tube is advanced to puncture the pericardial bleb while avoiding contact with the epicardium. A hollow filament or electrocardial lead or flexible guide wire within said needle can then be advanced into said pericardial cavity. The guide wire may be used to guide a intrapericardial catheter into the pericardial space for injection or infusion of selected therapeutic agents into the pericardial space to treat various heart and blood vessel diseases. Controlled drug release material(s) can be injected through said needle for the slow and/or sustained delivery of said therapeutic agents into said pericardial cavity.
    • 一种用于获取心包空间的心包穿刺装置和方法。 本发明包括插入经皮管,其尖端具有定位在前心包膜上方并与之接触的孔。 在所述管内引入真空,在该孔内形成心包泡。 管内的引导针头前进以刺穿心包泡,同时避免与心外膜接触。 然后可将所述针内的中空细丝或心电线或柔性导线推入所述心包腔内。 导丝可以用于将心包内导管引导到心包空间中,用于将选定的治疗剂注射或输注到心包空间中以治疗各种心脏和血管疾病。 可以通过所述针头注射控制的药物释放材料,用于将所述治疗剂缓慢和/或持续递送到所述心包腔中。
    • 9. 发明授权
    • Liquid specimen vessel
    • 液体样品容器
    • US5409117A
    • 1995-04-25
    • US227040
    • 1994-04-13
    • James W. Meador
    • James W. Meador
    • A61B10/00A61B19/02A61M1/00
    • A61B10/007B01L3/505A61B2010/0009A61B2050/0064A61B2050/0076
    • A liquid vessel provides a means of assuring uncontaminated, multiple specimens of a liquid. Two containers are connected side-by-side by a retainer which accepts a detachable funnel assembly that directs liquid into each container. The retainer includes both a flexible serpentine connector loosely connecting collar portions of the retainer fitted to each container and a rigid portion fixing the spacing of the containers. Each container includes an bellows-like sidewall flexure, and when the funnel is removed, each is closed by a closure that includes another bellows-like sidewall flexure, a nozzle facing away from and basally open to the floor of the container, and a stiff basal projection extending to the floor of the container. Coupling members on the floor underside of the containers enable coupling of the floors of the two containers after the rigid portion of the retainer is severed. Pushing the closure of one of the containers reduces intra-chamber pressure in that container and if the containers are coupled increases intra-chamber pressure in the coupled other container. The reduced pressure prevents discharge of specimen from the one container when a nozzle in the closure of that container is opened. Compressing the volume of the container with the opened nozzle discharges an aliquot of specimen from that container through the opened nozzle.
    • 液体容器提供了确保未受污染的多个液体样本的方法。 两个容器通过保持器并排连接,保持器接受将液体引导到每个容器中的可拆卸漏斗组件。 保持器包括松紧地连接装配到每个容器的保持器的套环部分的柔性蛇形连接器和固定容器间隔的刚性部分。 每个容器包括波纹管状的侧壁弯曲部,并且当漏斗被移除时,每个都由封闭件封闭,该封闭件包括另一个波纹管状的侧壁弯曲部,背向容器的底部并且基本上向容器底部开口的喷嘴, 基底突起延伸到容器的地板上。 在容器的刚性部分被切断之后,容器底面上的联接构件能联接两个容器的地板。 推动其中一个容器的封闭件减小该容器中的室内压力,并且如果容器联接则增加了联接的其他容器中的室内压力。 当打开该容器的封闭件中的喷嘴时,减小的压力防止样品从一个容器中排出。 用打开的喷嘴压缩容器的体积,通过打开的喷嘴将样品的等分试样从该容器排出。