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    • 21. 发明授权
    • IV administration apparatus
    • IV管理装置
    • US5599303A
    • 1997-02-04
    • US344829
    • 1994-11-21
    • Richard MelkerEric J. HulsmanBrad D. Wellington
    • Richard MelkerEric J. HulsmanBrad D. Wellington
    • A61M5/168A61M5/14
    • A61M5/16886
    • The subject invention is a novel apparatus for the administration of intravenous fluids. The invention is particularly well suited for accurately and efficiently administering intravenous fluids over a wide range of flow rates. Disclosed is an intravenous fluid administration apparatus having at lease one flow line capable of administering fluid at high flow rates and comprising an airless, dripless, fluid monitoring chamber. A preferred embodiment comprises a main flow line which diverges into at least two flow limbs, where one flow limb is a low-flow limb and another flow limb is a high-flow limb, each having separate flow indicators, and with the flow limbs typically converging into a common tube for fluid delivery to the patient. The subject invention also discloses a novel flow meter, which is particularly well suited for measuring and indicating flow rates over a wide range, without the introduction of air bubbles into the fluid flow being measured. The novel flow meter of the subject invention comprises an elastic displaceable member in a housing, whereby the relative position of the displaceable member, as effected by the amount of force exerted on the displaceable member by the fluid being measured, indicates the flow rate of the fluid.
    • 本发明是用于给予静脉注射液的新型装置。 本发明特别适用于在宽范围的流速下准确和有效地施用静脉内流体。 公开了一种具有至少一个能够以高流速施用流体并且包括无空气,无渗透的流体监测室的流动管线的静脉内流体给药装置。 优选实施例包括主流线,其分叉成至少两个流动臂,其中一个流动臂是低流量肢体,另一个流动肢体是高流动肢体,每个流动肢体具有单独的流动指示器,并且通常具有流动肢体 会聚到用于流体递送到患者的普通管中。 本发明还公开了一种新颖的流量计,其特别适用于在宽范围内测量和指示流量,而不将气泡引入被测量的流体流中。 本发明的新型流量计包括在壳体中的弹性可移动构件,由可动构件的相对位置,由所测量的流体施加在可移动构件上的力的影响,表示流量 流体。
    • 23. 发明授权
    • Intubation tube placement assessment device
    • 插管管置放评估装置
    • US07178519B2
    • 2007-02-20
    • US10301501
    • 2002-11-21
    • Richard MelkerDietrich GravensteinAndrea Gabrielli
    • Richard MelkerDietrich GravensteinAndrea Gabrielli
    • A61M16/00
    • A61M16/0488A61M2016/0413A61M2230/432
    • A novel connection device, and method for its use, for connecting a volume displacement detection device and a gas composition detection device in line with an intubation tube is disclosed. The connection device allows a user to combine two systems commonly employed by medical personnel to assess the location of an intubation tube placed into a patient. The two systems have alternate means of assessing the location of an intubation tube in a patient and therefore, when combined into a single unit via the connection device, improve the accuracy of placing a tube in a desired location while reducing or eliminating complications associated with misplacement. A kit comprising components that may be assembled to provide a device for assessing the proper placement of an intubation tube in a patient is also disclosed. The kit may be used in any environment, but is particularly well suited for emergency, pre-hospital settings requiring intubation where quick assembly of the components is essential.
    • 公开了一种新颖的连接装置及其使用方法,用于连接体积位移检测装置和气体成分检测装置与插管一致。 连接装置允许用户组合医疗人员通常使用的两个系统来评估放置在患者体内的插管的位置。 两个系统具有评估插管在患者中的位置的替代方式,因此当通过连接装置组合成单个单元时,提高将管放置在所需位置的精度,同时减少或消除与错位相关的并发症 。 还公开了一种试剂盒,其包括可以组装以提供用于评估插管在患者体内的正确放置的装置的组件。 该套件可以在任何环境中使用,但特别适用于紧急情况下,需要插管的紧急情况,需要快速组装组件是必需的。