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    • 7. 发明授权
    • Artificial lifting system
    • 人造起重系统
    • US5351752A
    • 1994-10-04
    • US906669
    • 1992-06-30
    • Steven M. WoodBlaine Tew
    • Steven M. WoodBlaine Tew
    • E21B17/00E21B17/02F04B47/02E21B17/20E21B43/00
    • E21B17/00E21B17/02F04B47/026F05C2203/02F05C2203/0808F05C2253/04
    • An artificial lifting system is designed for use at a pumping installation which has a pump drive at the surface or head end of a well and a reciprocating pump positioned in the lower end of the well. The artificial lifting system has a tubing string connected between the pump drive and the pump for performing the dual functions of reciprocating the pump plunger in response to activation of the pump drive, and for transporting oil from the underground source to the wellhead. The tubing string advantageously is constructed of a plurality of lightweight, non-metallic tubing segments which are axially connected to form an elongated conduit of several thousand feet in length. In the exemplary embodiment, the tubing segments are made of a glass and carbon reinforced epoxy resin. Preferably, the composite material has a density of approximately 0.1 pounds per cubic inch and a fiber content of approximately 60% by volume, with the resulting composite material having an elastic modulus in excess of 700,000 psi. The invention additionally is directed to various structural features for facilitating the implementation of such a composite lifting system.
    • 人造起重系统设计用于在泵的安装中使用,其在井的表面或头端具有泵驱动器,以及定位在井的下端的往复泵。 人造起重系统具有连接在泵驱动器和泵之间的管柱,用于执行响应于泵驱动器的启动而使泵柱塞往复运动以及将油从地下源运输到井口的双重功能。 管柱有利地由多个轻质的非金属管段构成,其被轴向连接以形成数千英尺长的细长导管。 在示例性实施例中,管段由玻璃和碳增强环氧树脂制成。 优选地,复合材料具有约0.1磅/立方英寸的密度和约60体积%的纤维含量,所得复合材料的弹性模量超过700,000psi。 本发明还涉及用于促进实施这种复合提升系统的各种结构特征。
    • 10. 发明授权
    • Clamping assembly for maintaining the position of a respiratory care treatment device
    • 用于维持呼吸护理治疗装置的位置的夹紧组件
    • US06688306B1
    • 2004-02-10
    • US09723314
    • 2000-11-27
    • David M. CiseSteven M. Wood
    • David M. CiseSteven M. Wood
    • A62B904
    • A61M16/0463A61M16/04A61M16/0488A61M16/08
    • A medical device clamping assembly includes proximal and distal axially aligned members. The proximal and distal members are movable relative to each other. A channel is defined through the members for receipt of a treatment device, such as a catheter tube, therethrough. A clamping member is configured between the proximal and distal members and defines a portion of the channel. The clamping member is actuated between an unclamped configuration and a clamped configuration by a clinician moving one of the distal or proximal members relative to the other. In its clamped position, the clamping member clamps upon and prevents axial movement of the medical treatment device through the clamping assembly.
    • 医疗装置夹紧组件包括近端和远端轴向对齐的构件。 近端和远端构件可相对于彼此移动。 通过构件限定通道以接收通过其中的治疗装置,例如导管。 夹紧构件配置在近端构件和远端构件之间并且限定通道的一部分。 夹紧构件通过临床医生使远侧或近端构件中的一个相对于另一个移动而在未夹紧构型和夹紧构型之间被致动。 在其夹紧位置,夹持构件夹紧并防止医疗装置通过夹紧组件的轴向移动。