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公开(公告)号：US08439858B2
公开(公告)日：2013-05-14
申请号：US11948290
申请日：2007-11-30
CPC分类号： B01D19/0057 , A61M1/3633 , A61M2206/10 , A61M2206/16
摘要： An arterial line blood filter for use in extracorporeal blood circuits during heart bypass surgery has, among other components, a housing with a cap portion, a base portion, and a generally cylindrical wall portion. The blood filter has a filter element disposed within the housing. An inlet is positioned at an upward angle with respect to the housing and includes an opening in the generally cylindrical wall portion in fluid communication with the inlet chamber. In some embodiments the position of the inlet limits the pressure drop and prime volume of the filter. According to one embodiment, the cap portion has an upwardly sloping inner surface and there is a vent in the cap portion. The inner surface of the cap portion can have a projection proximate the vent configured to limit immobilization of gaseous microemboli within the inlet chamber.
摘要翻译： 在心脏旁路手术期间用于体外血液回路的动脉血液过滤器除了其它部件之外还具有具有盖部分，基部部分和大致圆柱形壁部分的壳体。 血液过滤器具有设置在壳体内的过滤元件。 入口相对于壳体以向上的角度定位，并且在大致圆柱形壁部分中包括与入口室流体连通的开口。 在一些实施例中，入口的位置限制了过滤器的压降和原始体积。 根据一个实施例，帽部分具有向上倾斜的内表面，并且在帽部分中具有通气口。 帽部分的内表面可以具有靠近通气口的突出部，其构造成限制气体微栓塞在入口室内的固定。
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公开(公告)号：US20090105630A1
公开(公告)日：2009-04-23
申请号：US11948290
申请日：2007-11-30
IPC分类号： A61M1/34
CPC分类号： B01D19/0057 , A61M1/3633 , A61M2206/10 , A61M2206/16
摘要： An arterial line blood filter for use in extracorporeal blood circuits during heart bypass surgery has, among other components, a housing with a cap portion, a base portion, and a generally cylindrical wall portion. The blood filter has a filter element disposed within the housing. An inlet is positioned at an upward angle with respect to the housing and includes an opening in the generally cylindrical wall portion in fluid communication with the inlet chamber. In some embodiments the position of the inlet limits the pressure drop and prime volume of the filter. According to one embodiment, the cap portion has an upwardly sloping inner surface and there is a vent in the cap portion. The inner surface of the cap portion can have a projection proximate the vent configured to limit immobilization of gaseous microemboli within the inlet chamber.
摘要翻译： 在心脏旁路手术期间用于体外血液回路的动脉血液过滤器除了其它部件之外还具有具有盖部分，基部部分和大致圆柱形壁部分的壳体。 血液过滤器具有设置在壳体内的过滤元件。 入口相对于壳体以向上的角度定位，并且在大致圆柱形壁部分中包括与入口室流体连通的开口。 在一些实施例中，入口的位置限制了过滤器的压降和原始体积。 根据一个实施例，帽部分具有向上倾斜的内表面，并且在帽部分中具有通气口。 帽部分的内表面可以具有靠近通气口的突出部，其构造成限制气体微栓塞在入口室内的固定。
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