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    • 43. 发明申请
    • ABUTMENT ROTARY PUMP WITH REPELLING MAGNETS
    • 具有回转磁铁的旋转泵
    • US20150275896A1
    • 2015-10-01
    • US14226536
    • 2014-03-26
    • John McIntyre
    • John McIntyre
    • F04C18/356
    • F04C18/3564F01C21/0818F04C2/3564F04C2/3566F04C2/46F04C18/322F04C18/356F04C23/008
    • A rotary pump device includes a stator chamber with a cylindrical inner wall having intake and exhaust ports and an abutment mounted therein, and a rotor eccentrically mounted on an axial driven shaft for rotation within the chamber. The rotor keeps continuous wiping contact with the chamber wall while repelling magnets exert pressure on an abutment which maintains contact with the rotor to partition the intake and outlet ports. The repelling magnets act as a spring to assure contact of the abutment on the rotor while the pump is running or on standby. The repelling is caused by locating magnets positioned with similar facing poles in a pocket positioned against an abutment. A full intake/exhaust cycle takes place every 360° of rotor travel.
    • 旋转泵装置包括具有圆柱形内壁的定子室,其具有进气和排气口以及安装在其中的抵接件,以及偏心地安装在轴向从动轴上用于在室内旋转的转子。 转子保持与室壁的连续擦拭接触,同时排斥磁体在与转子保持接触的基台上施加压力以分隔入口和出口。 排斥磁体用作弹簧,以在泵运行或待机时确保转子上的支座接触。 排斥是通过定位在相对于邻接物定位的口袋中的相似的面对极定位的磁体引起的。 每转360度进行一次进气/排气循环。
    • 47. 发明授权
    • Radially expandable tape-reinforced vascular grafts
    • 径向扩张带状血管移植物
    • US06863686B2
    • 2005-03-08
    • US09912006
    • 2001-07-24
    • Donald ShannonJohn McIntyreChris KuoChris McCollamRobert Peterson
    • Donald ShannonJohn McIntyreChris KuoChris McCollamRobert Peterson
    • A61F2/06B29D23/00B65B57/14B65G47/31
    • B29D23/001A61F2/06B65B57/14B65G47/31Y10T428/1328Y10T428/1352
    • A tape-reinforced tubular vascular graft formed of sintered fluoropolymer(s), such as expanded, sintered PTFE. The graft includes a base graft and a reinforcing tape applied thereto. The tape may be spirally wrapped about the graft or spirally wrapped into a tube about a cylindrical mandrel and then applied to the exterior of The graft. Radial shrinkage of the combined base graft and tape, or of the reinforcing tape tube, renders the vascular graft subsequently radially enlargeable by more than 5%, without tearing or breaking of the reinforcement tape layer of the graft. Radially enlargeable grafts of the present invention may be combined with various types of stents or anchoring systems, to form endovascular graft devices which are transluminally insertable and implantable within the lumen of a host blood vessel. Alternatively, radially enlargeable grafts of the present invention may be implanted by way of traditional surgical graft implantation techniques, without any radial enlargement of the graft at the time of implantation, so as to take advantage of the improved strength properties and suture-holding properties of the radially-shrunken tape-reinforced grafts of the present invention.
    • 由烧结的含氟聚合物形成的带状增强的管状血管移植物,例如膨胀的烧结PTFE。 移植物包括基底移植物和施加于其上的加强带。 胶带可以螺旋地缠绕在移植物周围或螺旋地缠绕在围绕圆柱形心轴的管中,然后施加到移植物的外部。 组合的基底移植物和带或增强带管的径向收缩使血管移植物随后径向放大超过5%,而不会撕裂或破坏移植物的加强带层。 本发明的可径向扩大的移植物可以与各种类型的支架或锚定系统组合,以形成血管内移植装置,其可平移插入并且可植入主体血管的腔内。 或者,本发明的径向可放大的移植物可以通过传统的手术移植物植入技术植入,而在植入时没有移植物的任何径向扩大,以便利用改进的强度性质和缝线保持性能 本发明的径向缩小的带状增强移植物。