公开(公告)号：US07905710B2

公开(公告)日：2011-03-15

申请号：US11510106

申请日：2006-08-25

申请人： David T. Wang ,  Peter J. Scaramuzzi ,  Mansour A. Saleki ,  Robert P. Cousineau ,  Kent D. Abrahamson ,  Michael W. Lawless ,  Marwan A. Fathallah ,  Brian A. Kidd ,  Robert R. Boyd ,  Howard L. Greene ,  Eric R. Navin ,  Lori E. Lucke ,  Benjamin T. Mullin

发明人： David T. Wang ,  Peter J. Scaramuzzi ,  Mansour A. Saleki ,  Robert P. Cousineau ,  Kent D. Abrahamson ,  Michael W. Lawless ,  Marwan A. Fathallah ,  Brian A. Kidd ,  Robert R. Boyd ,  Howard L. Greene ,  Eric R. Navin ,  Lori E. Lucke ,  Benjamin T. Mullin

IPC分类号： F04B49/00 ,  F04B43/12 ,  G05D7/00 ,  A61M1/00

CPC分类号： A61M5/14224 ,  A61M5/16809 ,  A61M5/16854 ,  A61M5/172 ,  A61M2205/128 ,  A61M2205/3331

摘要： A medical pump with an improved continuity low flow delivery system and method for use with a pumping chamber, for example in a cassette, is disclosed. The pump includes a pump drive for exerting a force on the pumping chamber and a sensor for sensing the force/pressure exerted by the pump drive on the pumping chamber. The pump drive position sensor senses the position of the pump drive. The medical pump also includes a processing unit and a memory having a programming code adapted to calculate the rate of change of the sensed force/pressure values and determine whether the rate of change of the sensed force/pressure values meets a rate of change threshold. Once the rate of change threshold is met, the programming code is adapted to calculate a remaining pump drive travel value for determining how much farther the pump drive should travel before the end of an effective pump cycle. The programming code is further adapted to trigger one or more signals to drive the pump drive for the remainder of the effective pump cycle using the remaining pump drive travel value.

摘要翻译： 公开了一种具有改进的连续性低流量输送系统的医疗泵以及用于例如在盒中的泵送室的方法。 泵包括用于在泵送室上施加力的泵驱动器和用于感测泵驱动器在泵送室上施加的力/压力的传感器。 泵驱动位置传感器检测泵驱动器的位置。 医疗泵还包括处理单元和具有适于计算检测到的力/压力值的变化率的编程代码的存储器，并且确定检测到的力/压力值的变化率是否满足变化率阈值。 一旦满足了变化率阈值，编程代码就适用于计算剩余的泵驱动行程值，用于确定泵驱动器在有效泵循环结束之前要行进的距离。 编程代码还适用于使用剩余的泵驱动行程值来触发一个或多个信号来驱动泵驱动器的剩余有效泵循环。