Small-diameter superelastic wire guide
    1.
    发明公开
    Small-diameter superelastic wire guide 失效
    HochelastischerFührungsdrahtmit geringem Durchmesser。

    公开(公告)号:EP0550258A1

    公开(公告)日:1993-07-07

    申请号:EP92311771.7

    申请日:1992-12-23

    申请人: Cook Incorporated

    发明人: Hall, Todd

    IPC分类号: A61M25/01

    摘要: A small diameter wire guide (10) for medical procedures. The wire guide includes a mandrel (11) of metallic superelastic material, such as nitinol, having a diameter less than 0.020 inches and which completes its transformation to austenite at a temperature of about 14°C. The mandrel has a constant diameter over a majority of its length and includes a number of tapered portions (14,16); and reduced-diameter portions (15,17) in its distal region (13). A flexible radiopaque platinum coil (18) is attached at the distal region of the mandrel and coaxially surrounds a portion of the distal region. A smoothly rounded tip (21) is attached to the distal tip of the mandrel and coil and serves to shield the distal end of the coil during the insertion procedure into the patient.

    摘要翻译: 一种用于医疗程序的小直径导丝器(10)。 线引导件包括金属超弹性材料(例如镍钛诺)的心轴(11),其具有小于0.020英寸的直径,并且在约14℃的温度下完成其转变为奥氏体。心轴在大多数情况下具有恒定的直径 并且包括多个锥形部分(14,16); 和其远端区域(13)中的缩径部分(15,17)。 灵活的不透射线的铂线圈(18)附接在心轴的远端区域并同轴地围绕远端区域的一部分。 平滑的圆形末端(21)附接到心轴和线圈的远端,并且用于在插入过程期间将线圈的远端屏蔽到患者体内。