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    • 6. 发明授权
    • Apparatus for patient elevation above a fluidized surface
    • 用于患者仰卧在流化表面上方的装置
    • US5105487A
    • 1992-04-21
    • US628598
    • 1990-12-17
    • Reza HakamiunJohn A. BrennerBenjamin SalvatiniRobert L. Sainte
    • Reza HakamiunJohn A. BrennerBenjamin SalvatiniRobert L. Sainte
    • A47C20/04A61G7/05A61G7/057
    • A47C20/041A61G7/05A61G7/05746A61G2203/72
    • An apparatus for patient elevation above a fluidized surface includes a web of filter sheet material disposed beneath the patient and between the patient and the main filter sheet that covers the fluidized surface. The web is loosely mounted about a pair of support rods which are connected via a pair of splice bar linkages to a pair of dual acting hydraulic cylinders. Activation of the cylinders causes the two rods to separate from one another. The separation takes up the slack in the web and renders it taut about the two support rods. Further activation of the cylinders elevates the two support rods above the fluidized surface by pivoting them through the splice bar linkages. This raises the web and the patient supported on the web. A solenoid valve is provided in the hydraulic circuit to enable rapid lowering of the support rods and the web when an emergency procedure such as CPR must be administered to the patient. A pressure switch, a relay, and magnetic reed switches cooperate to prevent the cylinders from applying pressure through the support rods to any person's extremity interposed between the two suppport rods or between the support rods and the fluidized or other surface of the patient support system. Relief valves also are provided to accomplish the same result. Pressure compensated flow control valves control the speed with which the support rods are raised and lowered. A manual dump valve bypasses all of the electrically actuatable valves to enable the operator to lower the support rods in the event of electrical power failure.
    • 用于在流化表面上方的患者抬高的装置包括设置在患者之下以及患者与覆盖流化表面的主过滤片之间的过滤片材料的腹板。 腹板围绕一对支撑杆松动地安装,这些支撑杆通过一对接头杆连接到一对双作用液压缸。 气缸的激活导致两个杆彼此分离。 分离会吸收纤维网中的松弛,并使其拉紧两根支撑杆。 气缸的进一步活化通过使它们通过接头杆连杆枢转而将两个支撑杆提升到流化表面上方。 这引起了Web和患者在网络上的支持。 在液压回路中设置有一个电磁阀,以便在必须向患者施用诸如CPR的紧急程序时支撑杆和腹板的快速降低。 压力开关,继电器和磁簧开关协作,以防止气瓶通过支撑杆施加压力,将任何人的肢体插入在两个支撑杆之间或者在支撑杆和患者支撑系统的流化或其它表面之间。 还提供泄压阀以实现相同的结果。 压力补偿流量控制阀控制支撑杆升高和降低的速度。 手动卸载阀绕过所有可电致动阀,以使操作员在发生电力故障时降低支撑杆。
    • 10. 发明授权
    • Method for patient elevation above a fluidized surface
    • 患者在流化床表面以上的方法
    • US5168591A
    • 1992-12-08
    • US628604
    • 1990-12-17
    • Reza HakamiunJohn A. BrennerBenjamin SalvatiniRobert L. Sainte
    • Reza HakamiunJohn A. BrennerBenjamin SalvatiniRobert L. Sainte
    • A47C20/04A61G7/05A61G7/057
    • A47C20/041A61G7/05A61G7/05746A61G2203/72
    • A method for patient elevation above a fluidized surface utilizes a web of filter sheet material disposed beneath the patient and between the patient and the main filter sheet that covers the fluidized surface. The web is loosely mounted about a pair of support rods which are connected via a pair of splice bar linkages to a pair of dual acting hydraulic cylinders. The support surface is defluidized before the patient is elevated. Activation of the cylinders causes the two rods to separate from one another. The separation takes up the slack in the web and renders it taut about the two support rods. Further activation of the cylinders elevates the two support rods above the fluidized surface by pivoting them through the splice bar linkages. This raises the web and the patient supported on the web. When an emergency procedure such as CPR must be administered to the patient, the support surface is defluidized and a solenoid valve is provided in the hydraulic circuit to enable rapid lowering of the support rods and the web. A pressure switch, a relay, and magnetic reed switches cooperate to prevent the cylinders from applying pressure through the support rods to any person's extremity interposed between the two support rods or between the support rods and the fluidized or other surface of the patient support system. Relief valves also are provided to accomplish the same result. Pressure compensated flow control valves control the speed with which the support rods are raised and lowered. A manual dump valve bypasses all of the electrically actuatable valves to enable the operator to lower the support rods in the event of electrical power failure.
    • 用于在流化表面上方的患者抬高的方法利用布置在患者之下以及患者和覆盖流化表面的主过滤片之间的过滤片材料的腹板。 腹板围绕一对支撑杆松动地安装,这些支撑杆通过一对接头杆连接到一对双作用液压缸。 支架表面在患者升高前被流体流动。 气缸的激活导致两个杆彼此分离。 分离会吸收纤维网中的松弛,并使其拉紧两根支撑杆。 气缸的进一步活化通过使它们通过接头杆连杆枢转而将两个支撑杆提升到流化表面上方。 这引起了Web和患者在网络上的支持。 当对患者进行CPR等紧急手术时,支撑面被流体流通,液压回路中设有电磁阀,能够快速地降低支撑杆和腹板。 压力开关,继电器和磁簧开关协作,以防止气缸通过支撑杆施加压力,将任何人的肢体插入在两个支撑杆之间或者在支撑杆和患者支撑系统的流化或其它表面之间。 还提供泄压阀以实现相同的结果。 压力补偿流量控制阀控制支撑杆升高和降低的速度。 手动卸载阀绕过所有可电致动阀,以使操作员在发生电力故障时降低支撑杆。