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公开(公告)号：US06280406B1
公开(公告)日：2001-08-28
申请号：US09150543
申请日：1998-09-09
IPC分类号： A61M3700
CPC分类号： A61M1/3624 , A61M1/3639 , A61M1/3641 , A61M1/3652 , A61M1/3693 , A61M1/3696 , A61M2205/12 , A61M2205/123 , A61M2205/125 , A61M2205/128 , A61M2205/14 , A61M2205/3382 , A61M2205/3386 , A61M2205/505 , B04B5/0442 , B04B9/08 , B04B2005/045
摘要： An extracorporeal blood processing system which includes a disposable assembly. The system includes a disposable assembly that has integral fluid passageways. A blood removal conduit and a blood return conduit are interconnected with the integral fluid passageways. A diaphragm is mounted in the disposable assembly and is removably attachable to a sensor via a number of alternative connection devices. In one embodiment, the sensor may include a transducer that is capable of measuring the force exerted on the diaphragm. The corresponding force may be correlated to a pressure of fluid in either the blood removal conduit and/or the blood return conduit.
摘要翻译： 一种体外血液处理系统，其包括一次性组件。 该系统包括具有一体式流体通道的一次性组件。 除血管道和血液回流管道与整体流体通道相互连接。 隔膜安装在一次性组件中，并通过多个替代的连接装置可移除地附接到传感器。 在一个实施例中，传感器可以包括能够测量施加在隔膜上的力的换能器。 相应的力可以与除血导管和/或血液返回导管中的流体的压力相关。
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公开(公告)号：US5919154A
公开(公告)日：1999-07-06
申请号：US948542
申请日：1997-10-10
CPC分类号： B04B9/08 , A61M1/3624 , A61M1/3639 , A61M1/3652 , A61M1/3693 , A61M1/3696 , B04B5/0442 , A61M2205/12 , A61M2205/123 , A61M2205/125 , A61M2205/128 , A61M2205/14 , A61M2205/3382 , A61M2205/3386 , A61M2205/505 , B04B2005/045
摘要： An extracorporeal blood processing system is disclosed which includes a variety of novel components and which may be operated in accordance with a variety of novel methodologies. For instance, the system includes a graphical operator interface which directs the operator through various aspects of the apheresis procedure. Moreover, the system also includes a variety of features relating to loading a blood processing vessel into a blood processing channel and removing the same after completion of the procedure. Furthermore, the system also includes a variety of features relating to utilizing a blood priming of at least portions of the apheresis system in preparation for the procedure. In addition, the system includes a variety of features enhancing the performance of the apheresis system, including the interrelationship between the blood processing vessel and the blood processing vessel and the utilization of high packing factors for the procedure.
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公开(公告)号：US5263831A
公开(公告)日：1993-11-23
申请号：US837726
申请日：1992-02-19
申请人： John J. Kappus
发明人： John J. Kappus
CPC分类号： F04B43/1276
摘要： A peristaltic pump for providing enhanced maintenance of a position of an interface between a substantially flexible tube and at least one roller which compressively engages such tube. In one embodiment, two rollers are incorporated on a rotor and are biased toward a raceway by a pivotal action to substantially totally occlude the tube between the rollers and the raceway. The biasing forces for each roller are provided by a pair of concentrically-positioned helical springs. Each of the springs, acting alone, is individually capable of generating sufficient biasing forces to substantially totally occlude the tube in one aspect of the invention. In another aspect, the force generating capabilities applied to these rollers are also monitored. In this regard, a visual indicator assembly is interconnected, for instance, with the above-identified springs. In the event of any reduction in the force applied to the roller by such springs, which may impair the roller's ability to engage the tube in the desired manner, a visual indication is provided of such a condition.
摘要翻译： 一种蠕动泵，用于提供对基本上柔性的管和压缩地接合这种管的至少一个辊之间的界面的位置的增强的维护。 在一个实施例中，两个辊结合在转子上并且通过枢转动作朝向滚道偏置，以基本上完全闭塞在辊和滚道之间的管。 每个辊的偏压力由一对同心定位的螺旋弹簧提供。 在本发明的一个方面，单独起作用的每个弹簧能独立地产生足够的偏压力以基本上完全封闭管。 在另一方面，还监测施加到这些辊上的力产生能力。 在这方面，视觉指示器组件例如与上述弹簧相互连接。 在通过这种弹簧施加到辊的力的任何减少的情况下，这可能会损害辊以期望的方式接合管的能力，提供了这种状态的视觉指示。
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