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    • 21. 发明申请
    • Method and apparatus for casting
    • 铸造方法和装置
    • US20050121165A1
    • 2005-06-09
    • US11041480
    • 2005-01-24
    • Stephen White
    • Stephen White
    • B22D18/04B22D35/00B22D35/04B22D37/00B22D39/00
    • B22D18/04B22D35/04
    • A method and apparatus for producing a cast product. The apparatus includes a mould (10) having a mould cavity (12) and a runner (14) which communicates with the mould cavity (12), The mould (10) is connected to a feed pipe (11) for feeding molten material to the mould cavity (12) through the runner (14). The mould (10) includes a valve (20) for closing the runner (14) to material flow upon receipt within the mould cavity (12) of sufficient molten material. The method includes closing the runner (14) by the valve (20) upon receipt of sufficient molten material within the cavity (12) and thereafter disconnecting the feed pipe (11) from the mould (10) and inverting mould (10). The method further includes relatively displacing the mould (10) and the feed pipe (11) for connection of the feed pipe (11) to a further mould and allowing the molten material to solidify within the mould cavity (12) prior to removal therefrom.
    • 一种铸造产品的制造方法和装置。 该设备包括具有模具腔(12)的模具(10)和与模腔(12)连通的浇道(14)。模具(10)连接到用于将熔融材料供给的进料管(11) 所述模腔(12)穿过所述流道(14)。 模具(10)包括用于在容纳在足够的熔融材料的模腔(12)内的材料流动的情况下关闭流道(14)的阀(20)。 该方法包括当在空腔(12)内接收到足够的熔融材料之后,通过阀(20)关闭流道(14),然后将进料管(11)与模具(10)和翻转模具(10)断开连接。 该方法还包括相对移动模具(10)和进料管(11),用于将进料管(11)连接到另一个模具,并允许熔融材料在模具腔(12)中被固化之前被移除。
    • 22. 发明申请
    • Tibial knee prosthesis
    • 胫骨假体
    • US20050096747A1
    • 2005-05-05
    • US10696459
    • 2003-10-29
    • David TuttleVernon HartdegenStephen WhiteRobert FenclRobert Schmidt
    • David TuttleVernon HartdegenStephen WhiteRobert FenclRobert Schmidt
    • A61F2/00A61F2/38
    • A61F2/389A61F2002/30133A61F2230/0015
    • A knee prosthetic including a tibial component defining medial and lateral concavities shaped to receive medial and lateral femoral condyles of the femur. The concavities have first portions for contact with the condyles during normal knee flexion and second portions for contact with the condyles during deep, or high, knee flexion. The medial concavity can include a conforming boundary that encompasses at least the first and second portions, wherein an area inside the conforming boundary has a generally flat surface. The flat surface allows the medial femoral condyle to slide and rotate posteriorly during high knee flexion. The conforming boundary can have a generally triangular shape with an apex extending anteriorly and a relatively wider base extending posteriorly, wherein the apex includes the first portion and the base includes the second portion. The relatively wider base portion advantageously allows additional area for posteriorly directed articulating contact during high knee flexion.
    • 一种膝关节假体,其包括限定内侧和外侧凹陷的胫骨部件,其形状用于接收股骨的内侧和外侧股骨髁。 凹陷具有在正常膝关节屈曲期间与髁部接触的第一部分,以及在深度或高度膝关节屈曲期间与髁突接触的第二部分。 内侧凹面可以包括至少包含第一和第二部分的符合边界,其中符合边界内的区域具有大致平坦的表面。 平坦的表面允许内侧股骨髁在高膝关节屈曲期间向后滑动并向后旋转。 一致的边界可以具有大致三角形的形状,其顶点在前面延伸,并且相对较宽的基部向后延伸,其中顶点包括第一部分,并且基部包括第二部分。 相对较宽的基部部分有利地允许在高膝盖屈曲期间用于向后指向的关节接触的附加区域。
    • 28. 发明申请
    • Electrochemical detection of analytes
    • 分析物的电化学检测
    • US20050056551A1
    • 2005-03-17
    • US10482334
    • 2002-06-28
    • Stephen WhiteJohn Bolbot
    • Stephen WhiteJohn Bolbot
    • C12Q1/00G01N1/00G01N33/50
    • C12Q1/004
    • An analyte is determined electrochemically indirectly. In a first step an oxidase and an oxidisable substrate, one of which is the analyte or derived therefrom, interact and generate hydrogen peroxide. In a second step a peroxidase (especially horse-radish peroxidase) reduces the hydrogen peroxide and concomitantly oxidises a mediator, preferably 2,2′-azino-bis(3-ethyl=benzthiazoline-6-sulfonic acid, ABTS) to an oxidised form (ABTSOX). The oxidised mediator is then reduced at an electrode and the consequent current is measured. A preferred sensor format uses a carbon electrode screen-printed onto a substrate and overlaid with one or more layers containing the enzymes and other components.
    • 电化学地间接测定分析物。 在第一步中,氧化酶和可氧化底物(其中之一是分析物或由其衍生)与相互作用并产生过氧化氢。 在第二步中,过氧化物酶(特别是马萝卜过氧化物酶)减少过氧化氢并伴随地将介体,优选地将2,2'-偶氮双(3-乙基=苯并噻唑啉-6-磺酸,ABTS)氧化为氧化形式 (ABTSOX)。 然后将氧化的介体在电极处还原,并测量相应的电流。 优选的传感器格式使用丝网印刷在基底上并覆盖有含有酶和其它组分的一层或多层的碳电极。