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18 条记录 (耗时 0.032 秒)

    Product Dispensing System
    11.
    发明申请
    Product Dispensing System 有权
    产品分配系统

    公开(公告)号：US20100206400A2

    公开(公告)日：2010-08-19

    申请号：US12437356

    申请日：2009-05-07

    申请人： Felix Winkler ,  Russell Beavis ,  Eric VanWyk

    发明人： Felix Winkler ,  Russell Beavis ,  Eric VanWyk

    IPC分类号： G05D7/06

    CPC分类号： G05D7/0635 ,  Y10T137/5987 ,  Y10T137/7759 ,  Y10T137/7761 ,  Y10T137/7782 ,  Y10T137/86027 ,  Y10T137/86799

    摘要： A flow control device is disclosed. The flow control device includes a solenoid, the solenoid including an armature. Also, a piston connected to the armature. The piston includes a primary orifice. The piston having an open position and a closed position. A piston spring connected to the piston is also includes and at least one secondary orifice. The movement of the piston to the open position at least partially opens the at least one secondary orifice and the movement of the piston to the closed position at least partially closes the at least one secondary orifice. The movement of the armature actuates the piston movement and controls fluid flows from the primary orifice through the at least one secondary orifice.

    摘要翻译： 公开了一种流量控制装置。 流量控制装置包括螺线管，螺线管包括电枢。 另外，连接到电枢的活塞。 活塞包括主孔。 活塞具有打开位置和关闭位置。 连接到活塞的活塞弹簧还包括至少一个次级孔。 活塞至打开位置的运动至少部分地打开至少一个次级孔口，并且活塞至关闭位置的运动至少部分地封闭至少一个次级孔口。 电枢的运动促使活塞运动并且控制来自主孔的流体流经至少一个次级孔。

    Intravenous-line air-detection system
    15.
    发明授权
    Intravenous-line air-detection system 失效
    静脉内空气检测系统

    公开(公告)号：US5641892A

    公开(公告)日：1997-06-24

    申请号：US477380

    申请日：1995-06-07

    申请人： William T. Larkins ,  Russell Beavis ,  Dean L. Kamen

    发明人： William T. Larkins ,  Russell Beavis ,  Dean L. Kamen

    IPC分类号： G01N29/02 ,  A61M5/00 ,  A61M5/168 ,  A61M5/36 ,  G01N29/036 ,  G01N29/12 ,  G01N29/00

    CPC分类号： G01N29/12 ,  A61M5/16809 ,  A61M5/365 ,  G01N29/036 ,  A61M2005/1402 ,  G01N2291/02433

    摘要： The flow of an intravenous (IV) fluid from a IV source through an IV line to a patient is controlled, while monitoring whether there is any bubble in the liquid being delivered to the patient. Disposed in the line is a region having a first portion containing a measurement gas and a second portion containing a segment of the liquid flowing through the line. The liquid in this region is tested for the presence of an air bubble. The sum of the first portion's volume and the second portion's volume should be a constant volume. The region is part of an acoustically resonant system, in the volume of the measurement gas in the first portion of the region can be determined from the resonant frequency. Preferably, the acoustically resonant system is tuned so as to prevent the presence of a bubble from significantly affecting the measurement of the volume of the region's first portion. The region should be isolatable from pressure effects in the rest of the line, preferably by means of a first valve that controls flow from the source and a second valve that controls flow to the patient. The resonant system includes at least one speaker and one microphone, arranged so that the resonant frequency of the system can be detected. In addition, some means for changing the pressure of the measurement gas in the resonant system is provided.

    摘要翻译： 控制静脉内（IV）流体从IV源通过IV线到患者的流动，同时监测液体中是否有任何气泡递送到患者。 在管线中设置有具有包含测量气体的第一部分的区域和包含流过管线的液体段的第二部分。 测试该区域中的液体是否存在气泡。 第一部分的体积和第二部分体积的总和应该是恒定的体积。 该区域是声学共振系统的一部分，在该区域的第一部分中的测量气体的体积可以从谐振频率确定。 优选地，谐振系统被调谐以防止气泡的存在显着地影响区域的第一部分的体积的测量。 该区域应该与其余线路中的压力效应隔离，优选地通过控制来自源的流量的第一阀和控制向患者流动的第二阀。 谐振系统包括至少一个扬声器和一个麦克风，被布置成可以检测系统的谐振频率。 另外，提供了一些用于改变谐振系统中的测量气体的压力的方法。