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    • 6. 发明授权
    • Double chambered air mattress
    • 双层空气床垫
    • US07565709B2
    • 2009-07-28
    • US12103517
    • 2008-04-15
    • David T. Davis
    • David T. Davis
    • A47C27/10A61G7/14
    • A61G7/1026A61G7/1021A61G7/1028A61G2200/32
    • A double chambered transfer mattress is provided capable of partial deflation that that includes a top inflatable mattress and a bottom inflatable mattress that are separated by a common wall from one another. A selectable inlet/outlet valve is arranged for airflow communication between an interior chamber of the bottom inflatable mattress and a source of pressurized air. A one-way valve is positioned through the common wall so as to provide selective air flow communication between the top inflatable mattress and the bottom inflatable mattress so that when the inlet/outlet valve is closed, so that air continues to escape from perforations in the bottom inflatable mattress, the one-way valve is actuated so as to prevent deflation of the top inflatable mattress.
    • 提供能够进行部分放气的双层转移床垫,其包括顶部可充气床垫和底部可充气床垫,所述床垫通过共同的壁彼此分开。 可选择的入口/出口阀布置成用于在底部充气床垫的内部室和加压空气源之间的气流连通。 单向阀定位成穿过公共壁,以便在顶部充气床垫和底部充气床垫之间提供选择性气流连通,使得当入口/出口阀关闭时,使得空气继续从穿孔中逸出 底部充气床垫,单向阀被致动以防止顶部充气床垫的放气。
    • 7. 发明申请
    • DOUBLE CHAMBERED AIR MATTRESS
    • 双层空气床
    • US20080189866A1
    • 2008-08-14
    • US12103517
    • 2008-04-15
    • David T. Davis
    • David T. Davis
    • A47C31/00
    • A61G7/1026A61G7/1021A61G7/1028A61G2200/32
    • A double chambered transfer mattress is provided capable of partial deflation that that includes a top inflatable mattress and a bottom inflatable mattress that are separated by a common wall from one another. A selectable inlet/outlet valve is arranged for airflow communication between an interior chamber of the bottom inflatable mattress and a source of pressurized air. A one-way valve is positioned through the common wall so as to provide selective air flow communication between the top inflatable mattress and the bottom inflatable mattress so that when the inlet/outlet valve is closed, so that air continues to escape from perforations in the bottom inflatable mattress, the one-way valve is actuated so as to prevent deflation of the top inflatable mattress.
    • 提供能够进行部分放气的双层转移床垫,其包括顶部可充气床垫和底部可充气床垫,所述床垫通过共同的壁彼此分开。 可选择的入口/出口阀布置成用于在底部充气床垫的内部室和加压空气源之间的气流连通。 单向阀定位成穿过公共壁,以便在顶部充气床垫和底部充气床垫之间提供选择性气流连通,使得当入口/出口阀关闭时,使得空气继续从穿孔中逸出 底部充气床垫,单向阀被致动以防止顶部充气床垫的放气。
    • 8. 发明授权
    • Air chamber type patient mover air pallet with multiple control features
    • US5067189A
    • 1991-11-26
    • US507534
    • 1990-04-11
    • Robert E. WeedlingWilliam R. SwallenRaynor JohnsonJack WegenerDavid T. Davis
    • Robert E. WeedlingWilliam R. SwallenRaynor JohnsonJack WegenerDavid T. Davis
    • A61G7/10B60V3/02
    • B60V3/025A61G7/1028A61G7/103A61G2200/32A61G7/1021
    • Air chamber-type air pallets incorporate side-to-side linked air pressurized tubes or chambers in two integrated rows, having common members for adjacent chambers under air pressurization rendered rigid over a certain extent to rigidify the air chambers thereof which form load backing chambers in place of rigid backing members conventionally employed in air pallets maintaining the load footprint borne by the air pressurized backing chambers matched by that of the developed air bearing or air film by passage of compressed air through the pattern of perforations. Preferably, linked tubes of one row are laterally offset but integrated physically to those of a second row to both limit lateral shrinkage of linked tubes extending completely across the pin hole perforations within the thin, flexible bottom sheet partially forming such air pallets. The use of upper and lower rows of tubes subject to air pressurization provides adequate separation between the load and the fixed support surface to prevent contact of the load and the fixed support surface irrespective of loss of pressurization of a given one of the tubes of either row. The air pallets are formed totally of thin, flexible sheet material, permitting deflation and transfer from one locale to another. The air pallets function as stable supports for the patient during transport over the developed air film between the patient mover and an underlying fixed support surface. A single row of linked tubes formed of two thin, flexible sheets, acting as plenum chambers and having perforations within the thin, flexible bottom sheet functions adequately to support the patient directly on the top thin, flexible sheet with the bottom tangential surfaces of the individual tubes flattening. Preferably the area of perforations for each tube is limited transversely to the flattened portions of those tubes facing the underlying fixed support surface, with the developed air film having a surface area matching that of the patient.
    • 9. 发明授权
    • Partially deflatable transfer mattress and method for transporting a patient in comfort
    • 部分放气转移床垫和方法,以舒适地运送病人
    • US07627910B2
    • 2009-12-08
    • US11751864
    • 2007-05-22
    • David T. Davis
    • David T. Davis
    • A61G7/14A47C27/10
    • A61G7/0504A61G1/013A61G7/1021A61G7/1028A61G7/103A61G2200/32
    • A transfer mattress includes an upper mattress having three longitudinally oriented plenums and three separate inlet/outlet valves that are each arranged in airflow communication with their respective plenum. First and second of the plenums are arranged in airflow communication with one another while a central plenum is arranged in airflow isolation from the first plenum and the second plenum so that the first and second plenums may be inflated and deflated independently of the central plenum. A lower inflatable mattress is separated by a common wall from the upper mattress. A lower inlet/outlet valve is arranged in airflow communication with a lower plenum defined by the lower inflatable mattress. A bottom wall defines a plurality of perforations so that when the lower plenum is charged with pressurized air, it escapes under pressure through the perforations to create an air bearing under the mattress. A method for transporting a patient in comfort is also provided by the invention.
    • 转移床垫包括具有三个纵向定向的通气室的上床垫和三个独立的入口/出口阀,其各自布置成与其相应的气室气流连通。 增压室中的第一和第二通风设置成彼此气流连通,而中央集气室被布置成与第一增压室和第二增压室隔开气流,使得第一和第二增压室可以独立于中央增压室而膨胀和放气。 一个较低的充气床垫与上层床垫分开一个共同的墙壁。 较低的入口/出口阀被布置成与由下部充气床垫限定的下部通风室气流连通。 底壁限定多个穿孔,使得当下部充气室充满加压空气时,其在压力下通过穿孔逸出,以在床垫下面形成空气轴承。 本发明还提供了一种舒适地运送患者的方法。