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    • 47. 发明授权
    • Adjustable angular sheath introducer
    • 可调角度护套导引器
    • US5755702A
    • 1998-05-26
    • US635496
    • 1996-04-22
    • Richard A. HillsteadStephanie Danielle TeemerSherri Lynn Padgett
    • Richard A. HillsteadStephanie Danielle TeemerSherri Lynn Padgett
    • A61M25/00A61M25/06A61M5/00
    • A61M25/0662A61M25/0097
    • A sheath introducer for a catheterization or similar procedure comprises a main body having an exterior tapered sidewall, an interior lumen, a beveled top surface and an annular boss extending from the top surface; a rotating section having an exterior sidewall, an interior lumen, a beveled bottom surface having a recessed portion dimensioned so as to be received within the main body annular boss, and a top surface having an annular shoulder extending therefrom creating a recess; a cannula extending from the bottom end of the main body; and, a hemostatic valve having an access port and a fluid tight slit opening and seated within the upper portion and maintained by a cap, the valve being maintained within the rotating section recess and preferably slightly compressed when the rotating section and main body are assembled. When assembled, the rotating section can rotate up to approximately 180.degree., affording approximately a 45.degree. angle between the main body lumen and the rotating section lumen while maintaining an open passageway for insertion of catheters or other objects. Optionally, an angled sideport in fluid communication with the main body lumen extends from the main body.
    • 用于导管插入或相似程序的护套引导器包括具有外锥形侧壁,内腔,斜面顶表面和从顶表面延伸的环形凸起的主体; 具有外侧壁的旋转部分,内腔,具有凹部的斜面底面,其尺寸设计成容纳在主体环形凸台内,以及顶表面,其具有从其延伸的环形肩部,形成凹部; 从主体的底端延伸的套管; 以及具有进入口和流体密封狭缝开口并位于上部并由盖保持的止血阀,所述阀保持在旋转部分凹部内,并且优选地在旋转部分和主体组装时略微压缩。 当组装时,旋转部分可以旋转大约180度,在主体腔和旋转部分腔体之间提供大致45度的角度,同时保持用于插入导管或其它物体的开放通道。 可选地,与主体内腔流体连通的倾斜侧面从主体延伸。
    • 48. 发明授权
    • Angular sheath introducer
    • 角鞘引导器
    • US5509908A
    • 1996-04-23
    • US230614
    • 1994-04-21
    • Richard A. HillsteadJoseph B. Muhlestein
    • Richard A. HillsteadJoseph B. Muhlestein
    • A61M25/00A61M25/06A61M5/00
    • A61M25/0662A61M25/0097
    • A sheath introducer for a catheterization or similar procedure comprises a body having a upper portion and a lower portion, the lower portion being angled with respect to the upper portion; a curved tapering channel extending through the upper and lower portions; a cannula with a tapered distal end extending at an angle with respect to the upper portion a hemostatic valve having an access port and a fluid tight slit opening and seated within the upper portion and maintained by a cap; and an angled sideport in fluid communication with the channel. Optionally, a wiper flange extends inward within the valve access port which provide an additional fluid tight seal when a catheter is slidingly inserted, removed or maintained within the valve. A dilator can be adapted for use with the introducer by having a bend in the tube portion of the dilator.
    • 用于导管插入或类似程序的护套引导器包括具有上部和下部的主体,下部相对于上部成一定角度; 延伸穿过上部和下部的弯曲的锥形通道; 具有锥形远端的套管,所述套管具有相对于所述上部一定角度延伸的止血阀,所述止血阀具有进入口和流体密封狭缝开口,并位于所述上部内并由盖保持; 以及与通道流体连通的倾斜侧台。 可选地,擦拭器凸缘在阀进入端口内向内延伸,当导管滑动地插入,移除或保持在阀内时,提供另外的流体密封。 扩张器可以通过在扩张器的管部分中具有弯曲而适于与导引器一起使用。