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    Control for pressurized bladder in a patient support apparatus
    1.
    发明授权
    Control for pressurized bladder in a patient support apparatus 有权
    对患者支持装置中的加压膀胱的控制

    公开(公告)号：US09107511B2

    公开(公告)日：2015-08-18

    申请号：US14132761

    申请日：2013-12-18

    Applicant: Hill-Rom Services, Inc.

    Inventor： Andrew F. Skinner ,  Sandy M. Richards ,  David P. Lubbers ,  Steven A. Dixon ,  Richard B. Stacy ,  Aziz A. Bhai

    IPC: G05D9/00 ,  A47C27/08 ,  A61G7/057

    CPC classification number: A47C27/08 ,  A61G7/05769 ,  A61G2203/34 ,  A61G2203/42 ,  Y10T137/86035 ,  Y10T137/86389

    Abstract: An apparatus for supporting a patient, such as a hospital bed, is provided. The apparatus includes a patient support surface and at least one fluid containing bladder. A pressure control assembly is operably coupled with the bladder. When the fluid pressure within the bladder falls outside of an acceptable range of pressure values, the active adjustment of the pressure within the bladder is initiated by the pressure control assembly if the pressure does not return to the acceptable range of pressure values within a time period, e.g., a time delay, that has a variable length.

    Abstract translation: 提供了一种用于支撑病人（例如医院病床）的装置。 该装置包括患者支撑表面和至少一个含有膀胱的流体。 压力控制组件可操作地与气囊连接。 当膀胱内的流体压力超出可接受的压力值范围时，如果压力在一段时间内没有返回到压力值的可接受范围内，则气囊内的压力的主动调节由压力控制组件启动 ，例如，具有可变长度的时间延迟。

    Climate Management Topper with Shape Change Actuators for Regulating Coolant Distribution
    3.
    发明申请
    Climate Management Topper with Shape Change Actuators for Regulating Coolant Distribution 有权
    用于调节冷却液分配的形状变化执行器的气候管理套管

    公开(公告)号：US20160235210A1

    公开(公告)日：2016-08-18

    申请号：US14623852

    申请日：2015-02-17

    Applicant: Hill-Rom Services, Inc.

    Inventor： Charles A. Lachenbruch ,  David L. Ribble ,  Sandy M. Richards ,  Laetitia Gazagnes

    IPC: A47C21/04 ,  A61G7/05 ,  A47C27/00

    CPC classification number: A61G7/05 ,  A47C21/044 ,  A47C27/00 ,  A61G7/05784

    Abstract: One embodiment of a climate management topper includes a flowpath boundary which defines a flowpath adapted to carry a stream of fluid in a principal direction. A flow compliant filler occupies at least part of the flowpath. The filler is comprised of a spacer and a set of shape change actuators (SCA's) each comprised of a shape change material (SCM). The properties of the SCM include a critical temperature T0. The SCA's are configured to regulate distribution of the fluid stream through the flowpath in a direction transverse to the principal direction as a function of temperature. In one example the flowpath boundary is formed by liner panels and the SCA's are linear elements that elongate at a temperature TH which is higher than T0 thereby distending the spacer and reducing its resistance to fluid flow. One suitable shape change material is a nickel/titanium alloy known as NiTiNOL.

    Abstract translation: 气候管理打顶机的一个实施例包括限定适于沿主要方向承载流体流的流路的流路边界。 流动兼容的填充物占据流动路径的至少一部分。 填料由间隔物和一组形状变化致动器（SCA）组成，每个由变形材料（SCM）构成。 SCM的性质包括临界温度T0。 SCA被配置成调节流体流通过流路的分布，该分布沿着与主方向横切的方向作为温度的函数。 在一个示例中，流路边界由衬板形成，并且SCA是在高于T0的温度TH下延伸的线性元件，从而膨胀间隔物并降低其对流体流动的阻力。 一种合适的形状改变材料是称为NiTiNOL的镍/钛合金。

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