SURFACE MODIFICATION FOR DIALYSIS CATHETERS
    1.
    发明申请
    SURFACE MODIFICATION FOR DIALYSIS CATHETERS 有权
    用于透析导管的表面改性

    公开(公告)号:US20130158517A1

    公开(公告)日:2013-06-20

    申请号:US13715066

    申请日:2012-12-14

    IPC分类号: A61M25/00 A61M25/01

    摘要: Catheters and a method of preparation thereof, the catheter comprising a catheter body, a juncture hub, extension lines and connectors, the catheter body having a proximal end, a distal end, an exterior surface, a tip region having a length of 10 cm measured from the distal end of the catheter body, and at least two lumen, each of the catheter body lumen having a proximal end, a distal end, a Lumen Aspect Ratio of at least 3:1, and an intraluminal surface, the distal ends of the at least two catheter body lumen being (i) non-coterminus or (ii) laser-cut, the exterior surface of the catheter body in the tip region or the intraluminal surface of the two catheter body lumen comprising a hydrophilic polymer layer having an Average Dry Thickness of at least about 50 nanometers.

    摘要翻译: 导管及其制备方法,所述导管包括导管主体,接合毂,延伸线和连接器,所述导管主体具有近端,远端,外表面,测量长度为10cm的尖端区域 从导管主体的远端和至少两个内腔,每个导管体腔具有近端,远端,至少3:1的流明长宽比和管腔内表面, 所述至少两个导管体腔是(i)非子母体或(ii)激光切割,所述导管体在所述前导区域或所述两个导管体腔的管腔内表面的外表面包含亲水性聚合物层,所述亲水性聚合物层具有 平均干燥厚度至少约50纳米。