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公开(公告)号:US09856588B2
公开(公告)日:2018-01-02
申请号:US14636274
申请日:2015-03-03
IPC分类号: C08J3/05 , C08L27/18 , D04H1/728 , D01D5/00 , D01D10/02 , D01F6/12 , D01F6/48 , D04H1/42 , D04H1/4326 , D04H3/02 , B05D1/00 , B32B1/08 , B32B5/02 , B32B9/00 , B32B15/085 , B32B27/08 , D04H1/4318 , C08J3/00 , B29B13/02 , C08J9/232 , D06N7/00 , B29B11/06 , B29C55/04 , D04H1/4382 , D04H1/54 , D04H1/74 , C08F114/26 , D04H1/413 , B29K27/18 , B29L31/00 , B29K105/00
CPC分类号: D04H1/728 , B05D1/007 , B29B11/06 , B29B13/023 , B29C55/04 , B29K2027/18 , B29K2105/0094 , B29K2995/0063 , B29K2995/0077 , B29L2031/755 , B32B1/08 , B32B5/022 , B32B9/005 , B32B15/085 , B32B27/08 , C08F114/26 , C08J3/005 , C08J3/05 , C08J9/232 , C08J2327/18 , C08J2471/02 , D01D5/0007 , D01D5/003 , D01D5/0038 , D01D10/02 , D01F6/12 , D01F6/48 , D04H1/413 , D04H1/42 , D04H1/4318 , D04H1/4326 , D04H1/4382 , D04H1/54 , D04H1/74 , D04H3/02 , D06N7/00 , D10B2321/042 , Y10T428/1314 , Y10T428/1355 , Y10T428/1362 , Y10T442/60 , Y10T442/656 , Y10T442/674 , Y10T442/681
摘要: An improved process for forming a PTFE mat is described. The process includes providing a dispersion with PTFE, a fiberizing polymer and a solvent wherein said dispersion has a viscosity of at least 50,000 cP. An apparatus is provided which comprises a charge source and a target a distance from the charge source. A voltage source is provided which creates a first charge at the charge source and an opposing charge at the target. The dispersion is electrostatically charged by contact with the charge source. The electrostatically charged dispersion is collected on the target to form a mat precursor which is heated to remove the solvent and the fiberizing polymer thereby forming the PTFE mat.
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公开(公告)号:US20170096755A1
公开(公告)日:2017-04-06
申请号:US15209808
申请日:2016-07-14
IPC分类号: D04H1/728 , D01D10/02 , D04H1/413 , D04H1/42 , C08J3/00 , D04H1/4326 , D04H1/4382 , D04H1/54 , D04H1/74 , D04H3/02 , D01D5/00 , D04H1/4318
CPC分类号: D04H1/728 , B05D1/007 , B29B11/06 , B29B13/023 , B29C55/04 , B29K2027/18 , B29K2105/0094 , B29K2995/0063 , B29K2995/0077 , B29L2031/755 , B32B1/08 , B32B5/022 , B32B9/005 , B32B15/085 , B32B27/08 , C08F114/26 , C08J3/005 , C08J3/05 , C08J9/232 , C08J2327/18 , C08J2471/02 , D01D5/0007 , D01D5/003 , D01D5/0038 , D01D10/02 , D01F6/12 , D01F6/48 , D04H1/413 , D04H1/42 , D04H1/4318 , D04H1/4326 , D04H1/4382 , D04H1/54 , D04H1/74 , D04H3/02 , D06N7/00 , D10B2321/042 , Y10T428/1314 , Y10T428/1355 , Y10T428/1362 , Y10T442/60 , Y10T442/656 , Y10T442/674 , Y10T442/681
摘要: An improved process for forming a PTFE mat is described. The process includes providing a dispersion with PTFE, a fiberizing polymer and a solvent wherein said dispersion has a viscosity of at least 50,000 cP. An apparatus is provided which comprises a charge source and a target a distance from the charge source. A voltage source is provided which creates a first charge at the charge source and an opposing charge at the target. The dispersion is electrostatically charged by contact with the charge source. The electrostatically charged dispersion is collected on the target to form a mat precursor which is heated to remove the solvent and the fiberizing polymer thereby forming the PTFE mat.
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公开(公告)号:US20160296351A1
公开(公告)日:2016-10-13
申请号:US14967597
申请日:2015-12-14
发明人: Robert L. Ballard , Bruce L. Anneaux , Sabrina D. Puckett , Joshua L. Manasco , David P. Garner
IPC分类号: A61F2/82 , A61L31/14 , D01F6/12 , D04H3/02 , D04H1/42 , D04H1/4326 , D04H1/728 , A61L31/10 , A61F2/07
CPC分类号: A61F2/82 , A61F2/07 , A61F2002/075 , A61F2210/0071 , A61F2240/00 , A61L31/041 , A61L31/10 , A61L31/146 , D01D5/0038 , D01D5/0084 , D01D10/02 , D01F6/12 , D01F6/48 , D04H1/42 , D04H1/4326 , D04H1/728 , D04H3/02
摘要: A stent or other prosthesis may be formed by encapsulating a scaffold or frame with a polymer coating. The polymer coating may consist of layers of electrospun polytetrafluoroethylne (PTFE). Electrospun PTFE of certain porosities may permit endothelial cell growth within the prosthesis. The stent may be applicable to stents designed for the central venous system, peripheral vascular stents, abdominal aortic aneurism stents, bronchial stents, esophageal stents, biliary stents, or any other stent.
摘要翻译: 可以通过用聚合物涂层包封支架或框架来形成支架或其他假体。 聚合物涂层可以由电纺聚四氟乙烯(PTFE)层组成。 某些孔隙度的电纺丝PTFE可能允许假体内皮细胞生长。 支架可适用于为中心静脉系统,外周血管支架,腹主动脉瘤支架,支气管支架,食管支架,胆管支架或任何其他支架设计的支架。
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公开(公告)号:US20150182668A1
公开(公告)日:2015-07-02
申请号:US14631909
申请日:2015-02-26
发明人: Robert L. Ballard , Bruce L. Anneaux , Sabrina D. Puckett , Joshua L. Manasco , David P. Garner
CPC分类号: A61F2/82 , A61F2/07 , A61F2002/075 , A61F2210/0071 , A61F2240/00 , A61L31/041 , A61L31/10 , A61L31/146 , D01D5/0038 , D01D5/0084 , D01D10/02 , D01F6/12 , D01F6/48 , D04H1/42 , D04H1/4326 , D04H1/728 , D04H3/02
摘要: A stent or other prosthesis may be formed by encapsulating a scaffold or frame with a polymer coating. The polymer coating may consist of layers of electrospun polytetrafluoroethylne (PTFE). Electrospun PTFE of certain porosities may permit endothelial cell growth within the prosthesis. The stent may be applicable to stents designed for the central venous system, peripheral vascular stents, abdominal aortic aneurism stents, bronchial stents, esophageal stents, biliary stents, or any other stent.
摘要翻译: 可以通过用聚合物涂层包封支架或框架来形成支架或其他假体。 聚合物涂层可以由电纺聚四氟乙烯(PTFE)层组成。 某些孔隙度的电纺丝PTFE可能允许假体内皮细胞生长。 支架可适用于为中心静脉系统,外周血管支架,腹主动脉瘤支架,支气管支架,食管支架,胆管支架或任何其他支架设计的支架。
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公开(公告)号:US20150011139A1
公开(公告)日:2015-01-08
申请号:US14331400
申请日:2014-07-15
IPC分类号: D04H1/4318 , D04H1/728 , D01D5/00
CPC分类号: D04H1/728 , B05D1/007 , B29B11/06 , B29B13/023 , B29C55/04 , B29K2027/18 , B29K2105/0094 , B29K2995/0063 , B29K2995/0077 , B29L2031/755 , B32B1/08 , B32B5/022 , B32B9/005 , B32B15/085 , B32B27/08 , C08F114/26 , C08J3/005 , C08J3/05 , C08J9/232 , C08J2327/18 , C08J2471/02 , D01D5/0007 , D01D5/003 , D01D5/0038 , D01D10/02 , D01F6/12 , D01F6/48 , D04H1/413 , D04H1/42 , D04H1/4318 , D04H1/4326 , D04H1/4382 , D04H1/54 , D04H1/74 , D04H3/02 , D06N7/00 , D10B2321/042 , Y10T428/1314 , Y10T428/1355 , Y10T428/1362 , Y10T442/60 , Y10T442/656 , Y10T442/674 , Y10T442/681
摘要: An improved process for forming a PTFE mat is described. The process includes providing a dispersion with PTFE, a fiberizing polymer and a solvent wherein said dispersion has a viscosity of at least 50,000 cP. An apparatus is provided which comprises a charge source and a target a distance from the charge source. A voltage source is provided which creates a first charge at the charge source and an opposing charge at the target. The dispersion is electrostatically charged by contact with the charge source. The electrostatically charged dispersion is collected on the target to form a mat precursor which is heated to remove the solvent and the fiberizing polymer thereby forming the PTFE mat.
摘要翻译: 描述了用于形成PTFE垫的改进方法。 该方法包括提供具有PTFE,纤维化聚合物和溶剂的分散体,其中所述分散体具有至少50,000cP的粘度。 提供了一种装置,其包括电荷源和距离电荷源一定距离的目标。 提供电压源,其在电荷源处产生第一电荷,并在靶处产生相反的电荷。 该色散通过与电荷源的接触被静电充电。 将静电带电分散体收集在靶上以形成垫子前体,其被加热以除去溶剂和纤维化聚合物,从而形成PTFE垫。
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公开(公告)号:US20160032505A1
公开(公告)日:2016-02-04
申请号:US14918877
申请日:2015-10-21
IPC分类号: D04H1/728 , D04H1/4318 , B29B11/06 , D04H1/74 , B29C55/04 , D04H1/4382 , D04H1/54
CPC分类号: D04H1/728 , B05D1/007 , B29B11/06 , B29B13/023 , B29C55/04 , B29K2027/18 , B29K2105/0094 , B29K2995/0063 , B29K2995/0077 , B29L2031/755 , B32B1/08 , B32B5/022 , B32B9/005 , B32B15/085 , B32B27/08 , C08F114/26 , C08J3/005 , C08J3/05 , C08J9/232 , C08J2327/18 , C08J2471/02 , D01D5/0007 , D01D5/003 , D01D5/0038 , D01D10/02 , D01F6/12 , D01F6/48 , D04H1/413 , D04H1/42 , D04H1/4318 , D04H1/4326 , D04H1/4382 , D04H1/54 , D04H1/74 , D04H3/02 , D06N7/00 , D10B2321/042 , Y10T428/1314 , Y10T428/1355 , Y10T428/1362 , Y10T442/60 , Y10T442/656 , Y10T442/674 , Y10T442/681
摘要: An improved process for forming a PTFE mat is described. The process includes providing a dispersion with PTFE, a fiberizing polymer and a solvent wherein said dispersion has a viscosity of at least 50,000 cP. An apparatus is provided which comprises a charge source and a target a distance from the charge source. A voltage source is provided which creates a first charge at the charge source and an opposing charge at the target. The dispersion is electrostatically charged by contact with the charge source. The electrostatically charged dispersion is collected on the target to form a mat precursor which is heated to remove the solvent and the fiberizing polymer thereby forming the PTFE mat.
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公开(公告)号:US20130197664A1
公开(公告)日:2013-08-01
申请号:US13749823
申请日:2013-01-25
CPC分类号: D04H1/728 , A61F2/02 , B01D39/04 , B01D39/1623 , B01D71/32 , B01D2239/0631 , B01D2239/0654 , B01D2239/1233 , B01D2323/39 , D04H1/4326 , Y10T428/24967 , Y10T428/24992
摘要: Espun material may function as a filtration medium or be put to other uses. The espun material may comprise espun poly(tetrafluoroethylene) (espun PTFE). One or more layers of the espun material may be included. The properties of the espun material can be tailored. For example, a gradient fabric may include espun PTFE. The gradient fabric may include two or more layers of espun PTFE.
摘要翻译: 埃斯顿材料可用作过滤介质或用于其他用途。 espun材料可以包括espun聚(四氟乙烯)(espun PTFE)。 可以包括一层或多层的espun材料。 espun材料的属性可以定制。 例如,梯度织物可以包括espun PTFE。 梯度织物可以包括两层或更多层的espun PTFE。
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公开(公告)号:US20160002430A1
公开(公告)日:2016-01-07
申请号:US14856992
申请日:2015-09-17
CPC分类号: D04H1/728 , B05D1/007 , B29B11/06 , B29B13/023 , B29C55/04 , B29K2027/18 , B29K2105/0094 , B29K2995/0063 , B29K2995/0077 , B29L2031/755 , B32B1/08 , B32B5/022 , B32B9/005 , B32B15/085 , B32B27/08 , C08F114/26 , C08J3/005 , C08J3/05 , C08J9/232 , C08J2327/18 , C08J2471/02 , D01D5/0007 , D01D5/003 , D01D5/0038 , D01D10/02 , D01F6/12 , D01F6/48 , D04H1/413 , D04H1/42 , D04H1/4318 , D04H1/4326 , D04H1/4382 , D04H1/54 , D04H1/74 , D04H3/02 , D06N7/00 , D10B2321/042 , Y10T428/1314 , Y10T428/1355 , Y10T428/1362 , Y10T442/60 , Y10T442/656 , Y10T442/674 , Y10T442/681
摘要: An improved process for forming a PTFE mat is described. The process includes providing a dispersion with PTFE, a fiberizing polymer and a solvent wherein said dispersion has a viscosity of at least 50,000 cP. An apparatus is provided which comprises a charge source and a target a distance from the charge source. A voltage source is provided which creates a first charge at the charge source and an opposing charge at the target. The dispersion is electrostatically charged by contact with the charge source. The electrostatically charged dispersion is collected on the target to form a mat precursor which is heated to remove the solvent and the fiberizing polymer thereby forming the PTFE mat.
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公开(公告)号:US20150183940A1
公开(公告)日:2015-07-02
申请号:US14636274
申请日:2015-03-03
CPC分类号: D04H1/728 , B05D1/007 , B29B11/06 , B29B13/023 , B29C55/04 , B29K2027/18 , B29K2105/0094 , B29K2995/0063 , B29K2995/0077 , B29L2031/755 , B32B1/08 , B32B5/022 , B32B9/005 , B32B15/085 , B32B27/08 , C08F114/26 , C08J3/005 , C08J3/05 , C08J9/232 , C08J2327/18 , C08J2471/02 , D01D5/0007 , D01D5/003 , D01D5/0038 , D01D10/02 , D01F6/12 , D01F6/48 , D04H1/413 , D04H1/42 , D04H1/4318 , D04H1/4326 , D04H1/4382 , D04H1/54 , D04H1/74 , D04H3/02 , D06N7/00 , D10B2321/042 , Y10T428/1314 , Y10T428/1355 , Y10T428/1362 , Y10T442/60 , Y10T442/656 , Y10T442/674 , Y10T442/681
摘要: An improved process for forming a PTFE mat is described. The process includes providing a dispersion with PTFE, a fiberizing polymer and a solvent wherein said dispersion has a viscosity of at least 50,000 cP. An apparatus is provided which comprises a charge source and a target a distance from the charge source. A voltage source is provided which creates a first charge at the charge source and an opposing charge at the target. The dispersion is electrostatically charged by contact with the charge source. The electrostatically charged dispersion is collected on the target to form a mat precursor which is heated to remove the solvent and the fiberizing polymer thereby forming the PTFE mat.
摘要翻译: 描述了用于形成PTFE垫的改进方法。 该方法包括提供具有PTFE,纤维化聚合物和溶剂的分散体,其中所述分散体具有至少50,000cP的粘度。 提供了一种装置,其包括电荷源和距离电荷源一定距离的目标。 提供电压源,其在电荷源处产生第一电荷,并在靶处产生相反的电荷。 该色散通过与电荷源的接触被静电充电。 将静电带电分散体收集在靶上以形成垫子前体,其被加热以除去溶剂和纤维化聚合物,从而形成PTFE垫。
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公开(公告)号:US20150012108A1
公开(公告)日:2015-01-08
申请号:US14331375
申请日:2014-07-15
CPC分类号: A61F2/07 , A61F2/04 , A61F2/06 , A61F2/92 , A61F2002/072 , A61F2210/0076 , A61F2240/001 , A61F2250/0067 , A61L27/26 , A61L27/507 , A61L31/041 , A61L31/048 , A61L31/06 , A61L31/129 , A61L31/146 , A61L2400/12 , A61L2400/18 , B01D39/1623 , B01D2239/025 , B01D2239/0631 , B32B1/08 , B32B5/022 , B32B5/18 , B32B5/26 , B32B7/04 , B32B27/08 , B32B27/322 , B32B2250/03 , B32B2250/20 , B32B2250/242 , B32B2262/0253 , B32B2266/025 , B32B2535/00 , B82Y5/00 , D01D5/003 , D01D5/0038 , D01D5/0076 , D01D5/0084 , D01D5/06 , D01F6/12 , D04H1/492 , D04H1/54 , D04H1/728 , D10B2321/042 , D10B2509/06 , F16L11/12 , Y10T428/31544 , Y10T442/66 , Y10T442/677 , C08L71/02 , C08L27/18
摘要: In accordance with certain embodiments of the present disclosure, a process for forming a multilayered electrospun composite is provided. The process includes forming a dispersion of polymeric nanofibers, a fiberizing polymer, and a solvent, the dispersion having a viscosity of at least about 50,000 cPs. Nanofibers from the dispersion are electrospun onto a first ePTFE layer. A second ePTFE layer is applied onto the nanofibers to form a composite structure. The composite structure is heated.
摘要翻译: 根据本公开的某些实施方案,提供了一种形成多层电纺复合材料的方法。 该方法包括形成聚合物纳米纤维,纤维化聚合物和溶剂的分散体,该分散体具有至少约50,000cPs的粘度。 来自分散体的纳米纤维电纺丝到第一ePTFE层上。 将第二ePTFE层施加到纳米纤维上以形成复合结构。 复合结构被加热。
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