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    • 6. 发明申请
    • A CANNULA
    • 一个肛门
    • WO2007093957A2
    • 2007-08-23
    • PCT/IB2007/050464
    • 2007-02-13
    • RÖSCH, Theodor, Gerhard
    • RÖSCH, Theodor, Gerhard
    • A61B17/3421A61B17/3498A61B2017/3419A61B2017/3443A61B2017/349
    • A cannula for fixation within a portal to provide access to a surgical worksite by a surgical instrument, comprises an elongate tubular body defining a passage for receiving a surgical instrument, the tubular body having an upper end and a lower end, a sealing assembly located at the upper end for sealingly receiving a surgical instrument, and a generally cylindrical sleeve surrounding and extending along at least part of the tubular body. The sleeve has a lower end which is secured to the tubular body, an upper end and an external screw thread and is of a flexible material so that stretching the sleeve in the direction of the upper end of the tubular body by displacing the tubular body and sleeve relative to each other increases the pitch and reduces the depth of the thread and relative displacement in the opposite direction reduces the pitch and increases the depth of the thread.
    • 用于在入口内固定以通过外科器械进入手术工作场所的套管包括限定用于接收外科器械的通道的细长管状体,所述管状体具有上端和下端,密封组件位于 用于密封地接收外科器械的上端,以及围绕并沿着管状体的至少一部分延伸的大致圆柱形套筒。 套筒具有固定到管状体的下端,上端和外螺纹,并且是柔性材料,从而通过使管状体移位而沿着管状体的上端的方向拉伸套筒, 相对于彼此的套筒增加了间距并减小了线的深度,并且相反方向上的相对位移减小了间距并增加了线的深度。
    • 8. 发明申请
    • A CATHODIC DEVICE
    • 阴极设备
    • WO2006061686A2
    • 2006-06-15
    • PCT/IB2005/003668
    • 2005-12-05
    • PRINS, Johan, Frans
    • PRINS, Johan, Frans
    • H01J1/308H01J1/312H01J9/02
    • B82Y10/00H01J1/308H01J1/312H01J9/022H01J2201/308
    • A method of forming a cathodic device includes the steps of forming a p-type layer and an n-type layer below a surface of a substrate. The material has a conduction band which is at an energy level no more than 0.5 electron-Volts (eV) below the lowest vacuum energy level. The layers are formed so that they are in contact, with the p-type layer located between the surface and the n-type layer, and so that they form a p-n junction. The thickness of the p-type layer is somewhat less than the average distance which an electron injected into the p-type layer travels by diffusion and the thickness of the negatively charged depletion layer in the p-type layer is such that the difference between the thickness of the p-type layer and the thickness of the negatively charged depletion layer in the p-type layer is substantially less than the said average distance.
    • 形成阴极器件的方法包括以下步骤:在衬底的表面下方形成p型层和n型层。 该材料具有低于最低真空能级的能级不超过0.5电子伏特(eV)的导带。 这些层被形成为使得它们接触,p型层位于表面和n型层之间,并且使得它们形成p-n结。 p型层的厚度稍微小于注入到p型层的电子通过扩散行进的平均距离,并且p型层中的带负电荷的耗尽层的厚度使得p型层之间的差异 p型层的厚度和p型层中的带负电荷的耗尽层的厚度基本上小于所述平均距离。