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    • 1. 发明授权
    • Vasoocclusive device including asymmetrical pluralities of fibers
    • 血管收缩装置包括不对称的多个纤维
    • US06358228B1
    • 2002-03-19
    • US09286774
    • 1999-04-06
    • David E. TubmanThomas A. Osborne
    • David E. TubmanThomas A. Osborne
    • A61M2900
    • A61B17/12022A61B17/00491A61B17/0057A61B17/12131A61B17/1215A61B17/12181A61B90/39A61B2017/00575A61B2017/1205
    • A vasoocclusive device 10 is adapted for introduction into a vessel of a human or veterinary patient and occluding flow through the vessel. The device 10 includes a radiopaque member 12 (such as a metallic coil 14) having a proximal end 16 and a distal end 18, the distal end 18 being introduced first into the vessel. The member 12 is about 1.5 mm to about 3.0 mm long and no more than about 2.7 mm wide, preferably about 0.25 to 0.4 mm wide. The device 10 also includes a distal plurality 20 of fibers having an average distal fiber length, associated with and extending away from the distal end 18 of the member 12, as well as a proximal plurality 24 of fibers having an average proximal fiber length, associated with and extending away from the proximal end 16 of the member 12. The average proximal fiber length is about two to about five times the average distal fiber length. The average distal fiber length is preferably about 4 to 8 mm, while the average proximal fiber length is preferably about 9 to 15 mm. The distal and proximal pluralities 20 and 24 of fibers each preferably include 8 to 10 individual fibers composed of polyester, nylon or silk of about 40 denier. The vasoocclusive device 10 is particularly advantageous in that it can be used in vessels which are significantly narrower than those in which prior devices could be used, yet its asymmetric arrangement of the distal and proximal pluralities 20 and 24 of fibers allows it to enjoy significantly improved lodging in such narrow vessels.
    • 血管收缩装置10适于引入人或兽医患者的血管并阻塞通过血管的流动。 装置10包括具有近端16和远端18的不透射线构件12(例如金属线圈14),远端18首先被引入容器。 构件12的长度为约1.5mm至约3.0mm,宽度不大于约2.7mm,优选为约0.25至0.4mm宽。 装置10还包括具有与构件12的远端18相关联并远离构件12的远端纤维长度的平均远端纤维长度的远端多个纤维20以及具有平均近端纤维长度的近端多个纤维24,其具有相关联的 远离构件12的近端16并且远离构件12的近端16.平均近端纤维长度为平均远端纤维长度的约2至约5倍。 平均末端纤维长度优选为约4至8mm,而平均近纤维长度优选为约9至15mm。 纤维的远端和近端多个20和24各自优选包括由约40旦尼尔的聚酯,尼龙或丝组成的8至10个单独纤维。 血管闭塞装置10是特别有利的,因为它可以用于明显比可以使用现有装置的容器窄的容器,但是其纤维的远端和近端多个20和24的不对称布置允许其显着改善 住在这样狭窄的船只。
    • 10. 发明授权
    • Wire guide
    • 导线导轨
    • US07595082B2
    • 2009-09-29
    • US10813423
    • 2004-03-30
    • John J. Connors, IIIKurt J. TekulveThomas A. Osborne
    • John J. Connors, IIIKurt J. TekulveThomas A. Osborne
    • B05D3/12A61M25/09A61M31/00
    • A61M25/09A61M25/01A61M2025/09133A61M2025/09175
    • A wire guide includes a mandrel that has a proximal portion and a distal portion. A first coating with a low coefficient of friction is disposed on the proximal portion of the mandrel. A second coating is disposed on the distal portion of the mandrel, where the second coating provides a sub-structure. A third coating is disposed on the second coating, where the third coating comprises a surface that allows for easy maneuverability of the wire guide. The first coating on the proximal portion provides enough lubricity to keep the wire guide from becoming bound or stuck in a catheter or medical device while still allowing a user to have a good grip of the wire guide. The second coating on the distal portion provides lubricity for the wire guide, which allows the user to easily maneuver the wire guide through a vascular anatomy.
    • 线引导件包括具有近端部分和远端部分的心轴。 具有低摩擦系数的第一涂层设置在心轴的近端部分上。 第二涂层设置在心轴的远端部分上,其中第二涂层提供子结构。 第三涂层设置在第二涂层上,其中第三涂层包括允许导线器易于操作的表面。 近端部分上的第一涂层提供足够的润滑性以保持线引导件不会被粘合或卡在导管或医疗装置中,同时仍然允许使用者具有良好的电线导向器的抓地力。 远端部分上的第二涂层为线引导件提供润滑性,其允许使用者容易地通过血管解剖结构操纵线引导件。