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    MICROPOROUS POLYVINYLIDENE FLUORIDE MEMBRANE
    5.
    发明申请
    MICROPOROUS POLYVINYLIDENE FLUORIDE MEMBRANE 审中-公开
    微波多氟乙烯荧光膜

    公开(公告)号：US20160089638A1

    公开(公告)日：2016-03-31

    申请号：US14893274

    申请日：2014-05-22

    申请人： MEMBRANA GMBH

    发明人： Oliver Schuster ,  Quan Huang ,  Ngoc-Phung Duong ,  Karl Bauer ,  Wolfgang Ansorge

    IPC分类号： B01D71/34 ,  B01D69/02 ,  B01D61/36 ,  B01D69/08

    CPC分类号： B01D71/34 ,  B01D61/364 ,  B01D67/0018 ,  B01D69/02 ,  B01D69/081 ,  B01D69/087 ,  B01D71/32 ,  B01D71/76 ,  B01D2325/026 ,  B01D2325/04 ,  B01D2325/24 ,  B01D2325/38

    摘要： Hydrophobic hollow-fiber membrane made from a vinylidene fluoride polymer with a wall and a wall thickness, an outer surface on its outer side, an inner surface on its inner side and facing its lumen and adjacent to the inner surface a supporting layer having a structure that is substantially isotropic across the wall thickness, the supporting layer extending over at least 80% of the wall thickness and comprising pores having an average diameter of less than 1 μm, and wherein the hollow-fiber membrane has pores on its outer surface and on its inner surface, characterized in thatthe vinylidene fluoride polymer has a weight-average molecular weight MW in the range from 550 000 to 700 000 daltons and a polydispersivity greater than 3.0; the pores in the outer and in the inner surface are formed like islands and have a maximum ratio of their longitudinal extension to the transverse extension of 10; the porosity lies in the range from 50 to 90 vol. %, the wall thickness in the range from 50 to 300 μm, and the diameter of the lumen in the range from 100 to 500 μm; and the hollow-fiber membrane has a maximum separating pore diameter dmax in the range from 0.3 to 0.7 μm, determined according to the bubble point method.

    摘要翻译： 由具有壁和壁厚的偏二氟乙烯聚合物制成的疏水性中空纤维膜，其外侧的外表面，其内侧的内表面并面向其内腔并且与内表面相邻，具有结构 其在壁厚上基本上是各向同性的，支撑层延伸超过壁厚的至少80％，并且包括平均直径小于1μm的孔，并且其中中空纤维膜在其外表面上和在其上 其内表面的特征在于，所述偏二氟乙烯聚合物的重均分子量MW为550,000至70000道尔顿，多分散性大于3.0; 外表面和内表面中的孔形成为岛状，并且其纵向延伸与横向延伸的最大比例为10; 孔隙度在50至90体积的范围内。 ％，壁厚在50〜300μm的范围内，管腔直径在100〜500μm的范围内; 并且中空纤维膜具有根据泡点法确定的最大分离孔径dmax在0.3至0.7μm的范围内。

    Oxygenator
    7.
    发明授权
    Oxygenator 有权
    氧气机

    公开(公告)号：US09199023B2

    公开(公告)日：2015-12-01

    申请号：US14041434

    申请日：2013-09-30

    申请人： TERUMO KABUSHIKI KAISHA

    发明人： Kazuhiko Takeuchi

    IPC分类号： A61M1/16 ,  B01D63/02 ,  B01D71/26 ,  B01D69/08

    CPC分类号： A61M1/1698 ,  B01D63/02 ,  B01D63/026 ,  B01D69/081 ,  B01D71/26

    摘要： An oxygenator includes a housing; a hollow fiber membrane layer that is stored in the housing and has multiple integrated hollow fiber membranes with a gas exchange function; a gas inlet portion and a gas outlet portion that are provided on the upstream and downstream of gas passages in lumens of the hollow fiber membranes, respectively; and a blood inlet portion and a blood outlet portion that are provided on the upstream and downstream of blood passages outsides of the hollow fiber membranes, respectively. The hollow fiber membranes in the hollow fiber membrane layer are fixed relative to each other at one end portion and the other end portion thereof. Conditions 30≦ε60 and OD≦4.5×ε are met where ε [μm] is an average separation distance between the adjacent hollow fiber membranes at a fixed portion of the hollow fiber membrane layer and OD [μm] is the outer diameter of the hollow fiber membrane.

    摘要翻译： 氧合器包括壳体; 中空纤维膜层，其存储在壳体中并具有多个具有气体交换功能的集成中空纤维膜; 气体入口部分和气体出口部分分别设置在中空纤维膜流明的气体通道的上游和下游; 以及分别设置在中空纤维膜的外部的血液通道的上游和下游的血液入口部分和血液出口部分。 中空纤维膜层中的中空纤维膜在一端部和另一端部彼此固定。 条件30＆nlE;＆egr 60和OD​​＆nlE; 4.5×＆egr; 在哪里遇到 [μm]是中空纤维膜层的固定部分的相邻中空纤维膜之间的平均间隔距离，OD [μm]是中空纤维膜的外径。

    OXYGENATOR
    8.
    发明申请
    OXYGENATOR 有权
    氧化剂

    公开(公告)号：US20140030146A1

    公开(公告)日：2014-01-30

    申请号：US14041434

    申请日：2013-09-30

    申请人： TERUMO KABUSHIKI KAISHA

    发明人： Kazuhiko TAKEUCHI

    IPC分类号： A61M1/16

    CPC分类号： A61M1/1698 ,  B01D63/02 ,  B01D63/026 ,  B01D69/081 ,  B01D71/26

    摘要： An oxygenator includes a housing; a hollow fiber membrane layer that is stored in the housing and has multiple integrated hollow fiber membranes with a gas exchange function; a gas inlet portion and a gas outlet portion that are provided on the upstream and downstream of gas passages in lumens of the hollow fiber membranes, respectively; and a blood inlet portion and a blood outlet portion that are provided on the upstream and downstream of blood passages outsides of the hollow fiber membranes, respectively. The hollow fiber membranes in the hollow fiber membrane layer are fixed relative to each other at one end portion and the other end portion thereof. Conditions 30≦ε60 and OD≦4.5×ε are met where ε [μm] is an average separation distance between the adjacent hollow fiber membranes at a fixed portion of the hollow fiber membrane layer and OD [μm] is the outer diameter of the hollow fiber membrane.

    摘要翻译： 氧合器包括壳体; 中空纤维膜层，其存储在壳体中并具有多个具有气体交换功能的集成中空纤维膜; 气体入口部分和气体出口部分分别设置在中空纤维膜流明的气体通道的上游和下游; 以及分别设置在中空纤维膜的外部的血液通道的上游和下游的血液入口部分和血液出口部分。 中空纤维膜层中的中空纤维膜在一端部和另一端部彼此固定。 满足条件30 @ epsilon60和OD​​@4.5×epsilon，其中epsilon [mum]是在中空纤维膜层的固定部分处的相邻中空纤维膜之间的平均间隔距离，OD [mum]是中空纤维膜层的外径 纤维膜。

    HOLLOW/POROUS FIBERS AND APPLICATIONS THEREOF
    9.
    发明申请
    HOLLOW/POROUS FIBERS AND APPLICATIONS THEREOF 审中-公开
    中空/多孔纤维及其应用

    公开(公告)号：US20130319432A1

    公开(公告)日：2013-12-05

    申请号：US13863920

    申请日：2013-04-16

    申请人： Philip Morris USA Inc.

    发明人： Munmaya K. Mishra ,  Harrison L. Yu

    IPC分类号： A24D3/02 ,  B01D69/08

    CPC分类号： A24D3/063 ,  A24D3/0204 ,  A24D3/048 ,  A24D3/065 ,  A24D3/08 ,  A24D3/14 ,  B01D67/002 ,  B01D69/08 ,  B01D69/081 ,  B01D69/082 ,  B01D71/38 ,  B01D2325/02 ,  B01D2325/025 ,  C08L31/04 ,  C08L33/02 ,  C08L33/08 ,  C08L2203/12 ,  D01F6/52 ,  D10B2505/04 ,  Y10T428/2933 ,  Y10T428/2973 ,  Y10T428/2975 ,  C08L2666/04

    摘要： In one embodiment is provided a polymer blend of poly(vinyl acetate) (PVAc) and poly(acrylic acid) (PAA), wherein the poly(vinylacetate) is present in an amount ranging between about 20 wt % and about 80 wt %, and poly(acrylic acid) is present in an amount ranging between about 80 wt % and about 20 wt %, based on the total weight of the blend. In another embodiment is provided a fiber produced from this polymer blend, and which has cells therein. In another embodiment is provided a flavorant release material comprising the porous fiber disclosed herein, and one or more flavorants disposed in a longitudinally extending core within the fiber. In another embodiment is provided a polymer fiber membrane containing a hollow, porous fiber formed from the polymer blend disclosed herein. In another embodiment is provided a filter containing the fiber described herein. In another embodiment is provided a process for producing the fibers disclosed herein by addition of the polymers to an extruder or blender, and extruding or melt spinning the mixture into a fiber containing cells therein.

    摘要翻译： 在一个实施方案中提供聚（乙酸乙烯酯）（PVAc）和聚（丙烯酸）（PAA）的聚合物共混物，其中聚（乙酸乙烯酯）以约20重量％至约80重量％ 并且基于共混物的总重量，聚（丙烯酸）以约80重量％至约20重量％的量存在。 在另一个实施方案中提供了由该聚合物共混物制备的纤维，并且其中具有细胞。 在另一个实施方案中，提供了包含本文公开的多孔纤维的调味剂释放材料和设置在纤维内的纵向延伸的芯中的一种或多种调味剂。 在另一个实施方案中提供了含有由本文公开的聚合物共混物形成的中空多孔纤维的聚合物纤维膜。 在另一个实施方案中，提供了包含本文所述的纤维的过滤器。 在另一个实施方案中提供了通过将聚合物加入到挤出机或混合器中制备本文公开的纤维的方法，并将混合物挤出或熔融纺丝成其中含有细胞的纤维。