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    • 1. 发明授权
    • Method and apparatus for performing assays
    • 用于进行测定的方法和装置
    • US4477578A
    • 1984-10-16
    • US354848
    • 1982-03-04
    • Laughton E. MilesArthur H. Rogers, Jr.Charles H. Rogers
    • Laughton E. MilesArthur H. Rogers, Jr.Charles H. Rogers
    • G01N1/38G01N33/483G01N33/53G01N33/543G01N33/58G01N35/00G01N35/10G01N33/54G01N33/56G01N35/04G01N35/06
    • G01N35/1065G01N1/38G01N33/5302G01N33/54366G01N35/00G01N2035/00544G01N2035/1055G01N35/1079Y10S436/807Y10S436/808Y10S436/81Y10S436/82Y10T436/113332
    • Method and apparatus are provided for carrying out multiple simultaneous transfers of fluid. The method and apparatus are particularly directed toward immunoassays wherein immunologically active compounds, such as antigens and haptens, are detected through their associated antibodies. The device relies on the ability to transfer fluids, such as biological samples and reagents, between a reservoir and an associated receptacle. By providing a receptacle having a port at its lower end and which is otherwise hermetically sealed, such fluid transfer can be effected by immersing the port beneath the surface of the fluid in the reservoir and manipulating the pressure on the remaining surface area outside the port. The transfer of biological fluids at positive pressure provides enhanced fluids flow characteristics, particularly reduction or elimination of the tendency of these fluids to froth or bubble. Moreover, since the fluids can easily be manipulated, they can be agitated to speed up the reaction and reduce the overall reaction time and can be transferred from the reaction zone to allow interim measurements of the extent of reaction to provide for a rate mode assay. The method and apparatus also find use in preparing solid phase reagents for use in assay systems, as well as a highly accurate pipetting system in analytic applications not limited to immunoassays.
    • 提供了用于执行多次同时传送流体的方法和装置。 该方法和装置特别针对免疫测定,其中通过其相关抗体检测免疫活性化合物,例如抗原和半抗原。 该装置依赖于在储存器和相关容器之间传送流体(例如生物样品和试剂)的能力。 通过提供在其下端具有端口并且以其它方式密封的插座,可以通过将端口在流体表面下方浸入储存器中并且操纵在端口外部的剩余表面区域上的压力来实现这种流体转移。 生物流体在正压下的转移提供增强的流体流动特性,特别是减少或消除这些流体发泡或起泡的倾向。 此外,由于可以容易地操纵流体,因此可以搅拌它们以加速反应并减少总反应时间,并且可以从反应区转移以允许临时测量反应程度以提供速率模式测定。 该方法和装置还可用于制备用于测定系统的固相试剂,以及用于不限于免疫测定的分析应用中的高精度移液系统。
    • 2. 发明申请
    • DELIVERING BIOABSORBABLE FASTENERS
    • 交付生物可靠的紧固件
    • US20140209660A1
    • 2014-07-31
    • US13755540
    • 2013-01-31
    • Charles H. RogersEduard U. Milea
    • Charles H. RogersEduard U. Milea
    • A61B17/068
    • A61B17/068A61B17/0401A61B17/0682A61B2017/0409A61B2017/0412A61B2017/0416A61B2017/0419A61B2017/0427A61B2017/0445A61B2017/0464A61B2017/07271
    • An apparatus for delivering bioabsorbable fasteners of the type having two cannulated legs to secure the two sides of an incision in tissue comprises a housing containing a magazine with one or more fasteners positioned on a reciprocally movable fastener support. Needle guide tubes and the legs of the front-most fastener are in slidable contact with at least one alignment surface configured to axially align them. An actuator is operated by a user to move two needles within the needle guide tubes to insert each needle into a cannulated leg. A timing lever acts on the fastener support in concert with the actuator movement to remove support of the front-most fastener after the needles are inserted. The needle guide tubes transfer force to the fastener, to push it out of the magazine and along a path through the center of a bifurcated foot, to insert it into the tissue.
    • 一种用于输送具有两个插管腿的生物可吸收紧固件的装置,用于将切口的两侧固定在组织中,包括容纳具有定位在可往复运动的紧固件支撑件上的一个或多个紧固件的弹匣的壳体。 针引导管和最前面的紧固件的腿与至少一个配置成轴向对准它们的对准表面滑动接触。 致动器由用户操作以移动针导管内的两个针,以将每个针插入插管腿。 定时杠杆与致动器运动一致地作用在紧固件支架上,以在插针之后移除最前面的紧固件的支撑。 针导管将力传递到紧固件,将其推出盒子并沿着通过分叉脚的中心的路径将其插入组织。