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    Pulsatile fluid delivery system
    4.
    发明申请
    Pulsatile fluid delivery system 有权
    脉动流体输送系统

    公开(公告)号：US20070134101A1

    公开(公告)日：2007-06-14

    申请号：US11297989

    申请日：2005-12-09

    申请人： Kenneth Jones ,  Cristo Corera ,  Richard Hayes

    发明人： Kenneth Jones ,  Cristo Corera ,  Richard Hayes

    IPC分类号： F04B49/06

    CPC分类号： F04B49/065

    摘要： A system for delivering blood, cardioplegia solution, and other medications or fluids in a pulsatile flow pattern to a patient during cardiopulmonary bypass is disclosed. In a preferred embodiment, a pumping apparatus having at least one chamber is utilized in which a pumping action is achieved by compressing one of the chambers with a piston mechanism, while allowing the other chamber to fill with fluid via retracting its respective piston. The instantaneous flow rate of either of the chambers is determined by the speed of the piston. In a preferred embodiment, a pulsatile flow of fluid is achieved by cyclically alternating the velocity of the piston between two different speeds. A desired average flow rate and/or delivery pressure and/or constant pulse pressure is maintained by adjusting the alternating velocities at the desired frequency and duty cycle. The calculations necessary to obtain a desired average flow rate are performed by a microprocessor, which also controls the movement of the pistons.

    摘要翻译： 公开了一种用于在体外循环期间向患者输送血液，心麻痹液和脉动流动模式的其它药物或流体的系统。 在优选实施例中，使用具有至少一个室的泵送装置，其中通过用活塞机构压缩其中一个室来实现泵送动作，同时允许另一个室通过缩回其相应的活塞来填充流体。 任何一个室的瞬时流量由活塞的速度决定。 在优选实施例中，通过在两个不同速度之间循环地交替活塞的速度来实现流体的脉动流。 通过在所需的频率和占空比下调节交变速度来维持期望的平均流速和/或输送压力和/或恒定脉冲压力。 获得所需平均流量所需的计算由微处理器执行，微处理器也控制活塞的运动。

    Electrically conductive polyetherester composition comprising carbon black and product made therefrom
    6.
    发明申请
    Electrically conductive polyetherester composition comprising carbon black and product made therefrom 审中-公开
    包含炭黑的导电聚醚酯组合物和由其制成的产品

    公开(公告)号：US20070007495A1

    公开(公告)日：2007-01-11

    申请号：US11155976

    申请日：2005-06-17

    申请人： Richard Hayes

    发明人： Richard Hayes

    IPC分类号： H01B1/12

    CPC分类号： C08K3/04 ,  H01B1/24 ,  C08L67/025

    摘要： A composition comprising a carbon black-containing polyetherester is disclosed. The carbon black-containing polyetherester comprises or consists essentially of ≦about 3.5 weight % of carbon black if the carbon black has a DBP of >about 420 cc/100 g, or ≦about 15 weight % of carbon black if the carbon black has a DBP between about 220 cc/100 g and about 420 cc/100 g or between about 150 cc/100 g and about 210 cc/100 g wherein the carbon black has a nitrogen adsorption surface area measure by ASTM D 3037-81>700 m2/g. Also disclosed are a process for producing the composition and a shaped article made from the composition.

    摘要翻译： 公开了一种含有炭黑的聚醚酯的组合物。 如果碳黑的DBP>约420cc / 100g，则含碳黑的聚醚酯包含或基本上由<=约3.5重量％的炭黑组成，或者如果碳黑，则为约15重量％的炭黑 具有在约220cc / 100g至约420cc / 100g之间或约150cc / 100g和约210cc / 100g之间的DBP，其中所述炭黑具有通过ASTM D 3037-81> 700 m 2 / g。 还公开了用于生产组合物的方法和由该组合物制成的成型制品。