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    • 5. 发明公开
    • FLEXIBLE DRILL BIT AND ANGLED DRILL GUIDE FOR USE WITH THE SAME
    • FLEXIBLER BOHRMEISSEL UND ABGEWINKELTEBOHRFÜHRUNGZUR VERWENDUNG DAMIT
    • EP2941208A2
    • 2015-11-11
    • EP14735280.1
    • 2014-01-07
    • Pivot Medical, Inc.
    • BURLEY, J., BrookLANTZ, AndrewGRAUL, JeremyPAGE, Brett, M.FLOM, JamesPANDYA, SudipPAMICHEV, Chris
    • A61B17/16
    • A61B17/1633A61B17/1631A61B17/1664A61B17/1742A61B17/1764B23B39/14B23B45/005B23B2260/068
    • A flexible drill bit comprising: a proximal shaft portion for connecting to a source of turning; a distal cutting tip portion for boring into a material; and an intermediate shaft portion extending between the proximal shaft portion and the distal cutting tip portion, the intermediate shaft portion being characterized by (i) sufficient longitudinal flexibility so as to permit the flexible drill bit to be passed along a curve, and (ii) sufficient torsional strength to permit the flexible drill bit to bore into the material. Apparatus for drilling a hole in material, the apparatus comprising: an angled drill guide comprising a curved distal section, a less-curved proximal section, and a lumen extending there between, wherein the less-curved proximal section comprises a flat extending there along for reducing the effective diameter of the less-curved proximal section so as to minimize interference between the angled drill guide and the side wall of an access cannula.
    • 一种柔性钻头,包括:用于连接到转向源的近端轴部分; 用于钻入材料的远端切割尖端部分; 以及在所述近端轴部和所述远端切削尖端部之间延伸的中间轴部,所述中间轴部的特征在于,(i)具有足够的纵向柔性,以允许所述柔性钻头沿着曲线通过,以及(ii) 足够的扭转强度以允许柔性钻头钻入材料中。 用于在材料中钻孔的装置,所述装置包括:成角度的钻子引导器,其包括弯曲的远侧部分,较少弯曲的近侧部分和在其间延伸的内腔,其中所述较少弯曲的近侧部分包括沿其延伸的平面, 减小较不弯曲的近端部分的有效直径,以便最小化倾斜的钻子引导器和进入套管的侧壁之间的干扰。