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    • 9. 发明申请
    • Testing body, particularly for verifying the penetration properties of a sterilizing agent in sterilization processes
    • 测试体,特别用于验证灭菌剂在灭菌过程中的渗透性能
    • US20070178549A1
    • 2007-08-02
    • US10551146
    • 2004-03-26
    • Ulrich Kaiser
    • Ulrich Kaiser
    • C12Q1/22
    • G01N31/226A61L2/28
    • A testing body (1) that is provided for verifying the penetration properties of a sterilization agent has, with a compact design, a particularly high detection sensitivity and is thus particularly well-suited or use in the sterilization of minimally invasive surgical instruments that are known to be difficult to remove air therefrom thereby rendering the sterilization thereof problematic. For this purpose, the testing body (1) has a detector volume (24), which is provided for accommodating an indicator (26) and which can be connected to a sterilization chamber via a gas collecting space (4). According to the invention, the gas collecting space (4) has a multistage design, and the cross-section and the volume of each stage (14, 16) decrease between adjacent stages (14, 16) in the direction of the detector volume (24).
    • 提供用于验证灭菌剂的穿透特性的测试体(1)具有紧凑的设计,具有特别高的检测灵敏度,因此特别适合或用于已知的微创手术器械的灭菌 难以从其中除去空气,从而使其灭菌成为问题。 为此目的,测试体(1)具有检测器体积(24),其设置用于容纳指示器(26),并且可以经由气体收集空间(4)连接到消毒室。 根据本发明,气体收集空间(4)具有多级设计,并且每个级(14,16)的横截面和体积在检测器体积的方向上相邻级(14,16)之间减小 24)。
    • 10. 发明授权
    • Oscillation maintenance circuit
    • 振荡维护电路
    • US5227740A
    • 1993-07-13
    • US864813
    • 1992-03-31
    • Wolfgan SteinhagenUlrich Kaiser
    • Wolfgan SteinhagenUlrich Kaiser
    • G01R19/04
    • G01R19/04
    • A circuit arrangement is described with the aid of which a control signal can be generated in dependence upon the occurrence of an extreme value of a sinusoidal oscillation. The circuit arrangement (10) includes a storage member (22) which is adapted to be charged via a diode (20) to one of the extreme values of the sinusoidal oscillation. A discharge path (26) for the storage member (22) is present, the time constant of which is so dimensioned that within the period duration of the sinusoidal oscillation an appreciable discharge of the storage member (22) takes place. A switch element (24) controllable by the charge voltage of the storage member (22) furnishes the control signal at its output (14) for the period of time during which the charge voltage at the storage member (22) is smaller than the extreme value of the sinusoidal oscillation. The circuit arrangement can be used in maintaining the oscillations of a resonance circuit stimulated to oscillate by means of a momentary HF carrier wave pulse.
    • 描述电路布置,借助于此可以根据正弦波振荡的极值的出现产生控制信号。 电路装置(10)包括一个适于通过二极管(20)充电到正弦振荡的极值之一的存储构件(22)。 存在用于存储构件(22)的放电路径(26),其时间常数设定为在正弦振荡的持续时间内存在存储构件(22)的明显放电。 可由存储构件(22)的充电电压控制的开关元件(24)在其输出端(14)处提供控制信号在存储构件(22)处的充电电压小于极限的时间段 正弦振荡的值。 该电路装置可用于通过瞬时HF载波脉冲来维持被激励振荡的谐振电路的振荡。