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    • 33. 发明授权
    • Prosthetic vascular graft
    • 假肢血管移植
    • US5910168A
    • 1999-06-08
    • US18866
    • 1998-02-05
    • David J. MyersJames D. Lewis
    • David J. MyersJames D. Lewis
    • A61F2/06A61L27/50
    • A61L27/507A61F2/06
    • A vascular graft in the form of a tube or flat sheet of biocompatible material having an outer covering of deflectably secured material such as porous film, fibers, discrete pieces of material, or combinations thereof. The vascular graft may be of tubular form for replacing or bypassing entire segments of veins or arteries or alternatively may be in the form of a flat sheet useful for repairing portions of the circumference of veins or arteries. The tube or flat sheet of biocompatible material and the outer covering of deflectably secured material are preferably of porous polytetrafluoroethylene. The vascular graft is useful for dialysis access in that it offers a reduction in blood leakage when the vascular graft is punctured by a dialysis needle and the needle is subsequently removed. It is also useful for reducing suture hole bleeding resulting from holes created through the graft by penetration of the graft with a suture needle.
    • 具有生物相容性材料的管或平片形式的血管移植物,其具有可偏转地固定的材料的外覆盖物,例如多孔膜,纤维,分立的材料片或其组合。 血管移植物可以是用于替代或绕过静脉或动脉的整个部分的管状形式,或者可以是用于修复静脉或动脉周围部分的平板形式。 生物相容性材料的管或平板和可偏转固定的材料的外覆层优选为多孔聚四氟乙烯。 血管移植物可用于透析进入,因为当血管移植物被透析针刺穿并且随后取出针时,其可减少血液渗漏。 它也可用于通过用缝合针穿透移植物来减少由通过移植物产生的孔产生的缝合线孔渗出。
    • 36. 发明授权
    • Apparatus for operational analysis of computers
    • 电脑操作分析装置
    • US4517671A
    • 1985-05-14
    • US445578
    • 1982-11-30
    • James D. Lewis
    • James D. Lewis
    • G06F11/267G06F11/32G06F11/36G06F11/22
    • G06F11/221G06F11/325G06F11/364G06F11/3648
    • An apparatus for operational analysis of computing devices which, when coupled to the address, data, and control buses of a computer, displays a representation of a selectable subgroup of the bus signals on a bit map display for each occurrence of a selectable condition. The bits of the least and most significant halves of the selected subgroup define the horizontal and vertical coordinates of a display pixel activated upon occurrence of the selectable condition. Selectable groups are address and data bus signals. An optional condition is specification of bit values of signals on the buses. Selectable control bus signal conditions are read or write and input/output or memory. The display is latched with the state of the selectable subgroup upon occurrence of the selectable conditions thereby remaining stable until the next occurence of the selectable conditions. Efficient adaptability to a variety of computer types is provided for by interchangeable personality interconnection modules that interconnect an optimized set of digital logic gates with the computer control bus signals and control condition selection switches. In a preferred embodiment the display is an array of Light Emitting Diodes which are energized by X and Y decoders in accordance with the group of signals selected to be displayed.
    • 一种用于计算设备的操作分析的装置,当耦合到计算机的地址,数据和控制总线时,每次出现可选择条件时,在位图显示上显示总线信号的可选子组的表示。 所选择的子组中最少和最有意义的一半的位定义了在出现可选择条件时激活的显示像素的水平和垂直坐标。 可选组是地址和数据总线信号。 可选条件是总线上信号的位值的指定。 可选择的控制总线信号条件为读或写,输入/输出或存储器。 在出现可选择条件时,显示器被锁定为可选子组的状态,从而保持稳定,直到下一次出现可选条件。 通过将优化的数字逻辑门组与计算机控制总线信号和控制条件选择开关相互连接的可互换个性互连模块来提供对各种计算机类型的高效适应性。 在优选实施例中,显示器是发光二极管的阵列,其由X和Y解码器根据选择要显示的信号组激励。