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公开(公告)号：US11925740B2
公开(公告)日：2024-03-12
申请号：US17269682
申请日：2019-08-29
发明人： Kazuhiko Nakamura , Tomohisa Yokomizo , Takako Kai
CPC分类号： A61M1/3635 , A61M1/0218 , A61M1/0281 , A61M2202/0028 , A61M2202/0439 , A61M2205/75
摘要： A blood processing filter includes a container having 2 ports respectively functioning as an inlet for a liquid to be processed and as an outlet for the processed liquid, and a filtration medium filled in the container, wherein an airflow resistance of the filtration medium is 55.0 kPa·s/m or more and less than 85.0 kPa·s/m, the filtration medium includes a filter material A having an airflow resistance per unit basis weight of 0.01 kPa·s·m/g or more and less than 0.04 kPa·s·m/g and a filter material B having an airflow resistance per unit basis weight of 0.04 kPa·s·m/g or more, at least a part of the filter material A is disposed on a side closer to the inlet for a liquid to be processed than the filter material B, and a sum of airflow resistances of the filter material A is 6.0 kPa·s/m or more.
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公开(公告)号：US09770545B2
公开(公告)日：2017-09-26
申请号：US15177426
申请日：2016-06-09
申请人： Fenwal, Inc.
CPC分类号： A61M1/3496 , A01N1/0242 , A61M1/0272 , A61M1/265 , A61M1/342 , A61M1/3635 , A61M1/3643 , A61M1/3644 , A61M1/3649 , A61M1/3672 , A61M2202/0429 , A61M2202/0439 , A61M2205/6072 , A61M2205/7554 , B01D61/18 , B01D63/16 , B01D2313/08 , B01D2313/20 , B01D2313/243 , B01D2315/02 , C12N5/0641
摘要： A method and system for collecting a double volume of red blood cells using a spinning membrane separator is provided by which a first quantity of whole blood is withdrawn from a donor; a first quantity of whole blood is flowed to the spinning membrane separator; where it is separated into a first quantity of red blood cells and a first quantity of plasma. The first quantity of red blood cells and the first quantity of plasma are then flowed to respective collection containers, and at least a portion of the first quantity of plasma is returned to the donor. A second quantity of whole blood withdrawn from the donor, and then separated into a second quantity of red blood cells and a second quantity of plasma using the spinning membrane separator. The second quantity of red blood cells and the second quantity of plasma are then flowed to the respective collection containers, and at least a portion of the second quantity of plasma is returned to the donor.
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公开(公告)号：US09717838B2
公开(公告)日：2017-08-01
申请号：US15014177
申请日：2016-02-03
申请人： Fenwal, Inc.
CPC分类号： A61M1/3496 , A01N1/0242 , A61M1/0272 , A61M1/265 , A61M1/342 , A61M1/3635 , A61M1/3643 , A61M1/3644 , A61M1/3649 , A61M1/3672 , A61M2202/0429 , A61M2202/0439 , A61M2205/6072 , A61M2205/7554 , B01D61/18 , B01D63/16 , B01D2313/08 , B01D2313/20 , B01D2313/243 , B01D2315/02 , C12N5/0641
摘要： A method and system for collecting leukoreduced red blood cells employing a spinning membrane separator including a housing having an upper end region and a lower end region in an operating position with a red blood cell outlet in the upper end region of the housing and a whole blood inlet in the lower end region of the housing. The method and system provide for flowing additive solution into the whole blood inlet of the housing to prime the separator; flowing whole blood into the whole blood inlet of the housing; separating red blood cells from the whole blood; flowing separated red blood cells out of the red blood cell outlet of the housing; combining the separated red blood cells with additive solution: passing the separated red blood cells and additive solution combination through a leukoreduction filter; and collecting the filtered red blood cells and additive solution.
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公开(公告)号：US20170151382A1
公开(公告)日：2017-06-01
申请号：US15128331
申请日：2014-06-06
申请人： Fenwal, Inc.
发明人： Daniel Lynn , Scott Day , Paolo Verri
CPC分类号： A61M1/3636 , A61M1/0281 , A61M1/34 , A61M1/3403 , A61M1/3635 , B01D29/50 , B01D35/30 , B01D39/083 , B01D39/086 , B01D39/10 , B01D39/1623 , B01D2201/30 , B01D2201/306 , B01D2239/065 , B01D2239/1258
摘要： Flexible housing filters for filtration of fluids and methods of making such filters are disclosed. The filters may include one or more peripheral seals in the flexible housing.
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公开(公告)号：US09427512B2
公开(公告)日：2016-08-30
申请号：US13491852
申请日：2012-06-08
CPC分类号： A61M1/3633 , A61M1/3496 , A61M1/3635 , A61M5/165 , A61M2202/0439
摘要： Devices, systems, and methods for obtaining one or more desired fluid components, using a back-flushable filter device comprising a filter and at least one diffusing plate, are disclosed.
摘要翻译： 公开了使用包括过滤器和至少一个扩散板的可逆冲洗过滤器装置获得一种或多种所需流体组分的装置，系统和方法。
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6.发明申请公开(公告)号：US20160243293A1
公开(公告)日：2016-08-25
申请号：US15026478
申请日：2014-10-02
发明人： Yoshimasa MATSUURA
CPC分类号： A61M1/0281 , A61M1/34 , A61M1/341 , A61M1/3496 , A61M1/36 , A61M1/3635 , A61M1/3636 , A61M2202/0439 , A61M2205/3334 , A61M2205/7545 , A61M2207/00 , B29C45/14467 , B29K2069/00 , B29L2031/14
摘要： A blood processing filter for removing undesirable components from liquid containing a blood component or blood, comprises: a sheet-shaped filter element; and a container that includes an inlet-side container element and an outlet-side container element that are disposed to clamp the filter element, and has an internal space separated by the filter element into an inlet space and an outlet space, wherein the filter element includes a filtering surface on a side of the inlet space, a filtering surface on a side of the outlet space, and an end surface along peripheries of the pair of filtering surfaces, and the inlet-side container element and the outlet-side container element are provided with a gripper, and the gripper clamps and compresses an outer edge portion of the pair of filtering surfaces, and is caused to adhere to the end surface with melt resin.
摘要翻译： 一种用于从含有血液成分或血液的液体中除去不希望的成分的血液处理过滤器，包括：片状过滤元件; 以及包括入口侧容器元件和出口侧容器元件的容器，所述容器元件和出口侧容器元件设置成夹持过滤元件，并且具有由过滤元件分离成入口空间和出口空间的内部空间，其中过滤元件 在所述入口空间的一侧包括过滤面，所述出口空间侧的过滤面以及所述一对过滤面的周边的端面以及所述入口侧容器元件和所述出口侧容器元件 设置有夹持器，并且夹持器夹持并压缩一对过滤表面的外边缘部分，并且用熔融树脂粘附到端表面。
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公开(公告)号：US09421317B2
公开(公告)日：2016-08-23
申请号：US13491897
申请日：2012-06-08
CPC分类号： A61M1/3633 , A61M1/3496 , A61M1/3635 , A61M5/165 , A61M2202/0439
摘要： Devices, methods, and systems for obtaining one or more biological fluid components, and reducing red blood cell contamination, using a back-flushable filter device, are disclosed.
摘要翻译： 公开了用于获得一种或多种生物流体组分的装置，方法和系统，以及使用可反冲洗的过滤装置来减少红细胞污染。
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8.发明授权Method for determining a volume flow in a blood treatment apparatus, calculating device and blood treatment apparatus 有权用于确定血液处理装置，计算装置和血液处理装置中的体积流量的方法公开(公告)号：US09295770B2
公开(公告)日：2016-03-29
申请号：US13479850
申请日：2012-05-24
申请人： Alfred Gagel
发明人： Alfred Gagel
CPC分类号： A61M1/342 , A61M1/1647 , A61M1/34 , A61M1/341 , A61M1/3434 , A61M1/3437 , A61M1/3441 , A61M1/3465 , A61M1/3635 , A61M1/3663 , A61M2205/3331 , A61M2205/3334 , A61M2205/50
摘要： The present invention relates to a method for determining at least a first volume flow in a blood treatment apparatus which comprises: a primary circuit for conducting the blood to be treated; a secondary circuit for conducting a fluid that is used for the blood treatment; a blood treatment module provided for exchanging fluids and/or substances between the primary circuit and the secondary circuit; and an optionally provided fluid connection between the primary circuit and the secondary circuit, provided for introducing the first volume flow from the secondary circuit into the primary circuit; wherein the method encompasses determining the first volume flow of the secondary circuit taking into account a first pressure value or pressure measurement and a second pressure value or pressure measurement in the secondary circuit. The present invention further relates to a calculating device and a blood treatment apparatus.
摘要翻译： 本发明涉及一种用于确定血液处理设备中的至少第一体积流量的方法，该方法包括：用于进行待处理血液的初级回路; 用于进行用于血液处理的流体的次级回路; 血液处理模块，用于在一次回路和二次回路之间交换流体和/或物质; 以及在所述主电路和所述次级电路之间可选地提供的流体连接，用于将所述第一体积流从所述次级电路引入所述初级电路; 其中所述方法包括在二次回路中考虑第一压力值或压力测量值以及第二压力值或压力测量值来确定次级回路的第一体积流量。 本发明还涉及计算装置和血液处理装置。
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公开(公告)号：US20140374338A1
公开(公告)日：2014-12-25
申请号：US13923073
申请日：2013-06-20
申请人： Fenwal, Inc.
发明人： Carlos Calderon , Daniel Lynn , Paolo Verri
IPC分类号： A61M1/34
CPC分类号： A61M1/34 , A61M1/0218 , A61M1/3406 , A61M1/3633 , A61M1/3635 , A61M2206/20
摘要： Devices for the removal of cells or other particles from a biological fluid are disclosed. The devices include a removal medium housed within a chamber of a housing. The devices include inlet and outlet ports carried by the walls. One or both of the ports includes a flow path portion having a chamber-communicating portion that has a cross-section that is larger than the cross-section of an adjacent flow path portion.
摘要翻译： 公开了用于从生物流体中除去细胞或其它颗粒的装置。 这些装置包括容纳在壳体的腔室内的去除介质。 这些设备包括由墙壁承载的入口和出口。 一个或两个端口包括具有腔室连通部分的流路部分，该腔室连通部分的横截面大于相邻流路部分的横截面。
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10.发明申请PLASMA SEPARATION FROM BLOOD USING A FILTRATION DEVICE AND METHODS THEREOF 审中-公开使用过滤装置从血液等离子体分离及其方法公开(公告)号：US20140263059A1
公开(公告)日：2014-09-18
申请号：US14202447
申请日：2014-03-10
CPC分类号： A61M1/3496 , A61M1/3635 , A61M1/3672 , B01L3/5021 , G01N33/491 , G01N2001/4088
摘要： The invention is directed to a method and a device for separating plasma from whole blood. The method combines size exclusion filtration through a separation membrane and erythrocyte (RBC) agglutination.
摘要翻译： 本发明涉及一种用于从全血中分离血浆的方法和装置。 该方法结合通过分离膜的尺寸排阻过滤和红细胞（RBC）凝集。
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