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    Gradient sequential compression system for preventing deep vein thrombosis
    1.
    发明授权
    Gradient sequential compression system for preventing deep vein thrombosis 失效
    梯度顺序压缩系统，用于预防深静脉血栓形成

    公开(公告)号：US5951502A

    公开(公告)日：1999-09-14

    申请号：US751170

    申请日：1996-11-15

    申请人： Donald H. Peeler ,  Kenneth Michael Bolam ,  James Arthur Borgen ,  Philip Peter Ribando

    发明人： Donald H. Peeler ,  Kenneth Michael Bolam ,  James Arthur Borgen ,  Philip Peter Ribando

    IPC分类号： A61H23/04 ,  A61H1/00

    CPC分类号： A61H9/0078 ,  A61H2201/5002 ,  A61H2201/5007 ,  A61H2205/10

    摘要： A gradient sequential compression system for preventing deep vein thrombosis includes a pressure-based system controller for controlling transfers of air from a source of pressurized air to inflatable chambers of a limb sleeve, so that a prophylactic modality is provided to the limb. The controller also includes a plurality of feeder valves pneumatically connected to each of the chambers and a microprocessor-based control unit for opening only one of the feeder valves at a time during an inflation cycle, so that each of the chambers can be independently inflated to predetermined pressure levels. The control unit also regulates the pressures in each of the chambers at the respective pressure levels by repeatedly independently measuring the pressures in the chambers and adjusting the pressure levels upward or downward, if necessary. The predetermined pressure levels can be default levels or selected by a user or health care professional for a particular application. In addition, the system controller can be programmed into a variety of modes for one or two-limb operation or for handling sleeves of varying length.

    摘要翻译： 用于预防深静脉血栓形成的梯度顺序压缩系统包括基于压力的系统控制器，用于控制空气从加压空气源转移到肢体套管的可充气室，从而将预防方式提供给肢体。 控制器还包括气动地连接到每个室的多个供给阀和基于微处理器的控制单元，用于在充气循环期间一次仅打开一个供给阀，使得每个室可以独立地膨胀到 预定压力水平。 如果需要，控制单元还通过重复地独立地测量室中的压力并且向上或向下调节压力水平来在相应压力水平下调节每个室中的压力。 预定压力水平可以是默认水平，或者由特定应用的用户或保健专业人员选择。 此外，系统控制器可以被编程为用于一个或两个肢体操作的各种模式或用于处理不同长度的套筒。

    Apparatus and method for detecting deep vein thrombosis
    3.
    发明授权
    Apparatus and method for detecting deep vein thrombosis 失效
    用于检测深静脉血栓形成的装置和方法

    公开(公告)号：US5991654A

    公开(公告)日：1999-11-23

    申请号：US870232

    申请日：1997-06-06

    申请人： David M. Tumey ,  Larry Tab Randolph

    发明人： David M. Tumey ,  Larry Tab Randolph

    IPC分类号： A61B5/00 ,  A61B5/026 ,  A61B5/103 ,  A61B5/02

    CPC分类号： A61B5/01 ,  A61B5/0261 ,  A61B5/1073 ,  Y10S128/925

    摘要： An apparatus for detecting Deep Vein Thrombosis (DVT) in a patient includes a computer based device, a device disposed on a predetermined position on a calf of the patient for measuring blood volume, another device for measuring temperature of the calf and still another device for measuring calf size. A cuff is operably connected to the computer based device and envelops a portion of a thigh of the patient and is controllably restrictable by the computer based device to produce a controlled venous occlusion of the patient's deep veins for a predetermined period. A method for detecting DVT using the device is also provided.

    摘要翻译： 用于检测患者中的深静脉血栓形成（DVT）的装置包括基于计算机的装置，设置在患者的小腿上的预定位置上用于测量血液体积的装置，用于测量小腿温度的另一装置和用于 测量小腿大小。 袖带可操作地连接到基于计算机的装置并且包围患者的大腿的一部分，并且可控制地被基于计算机的装置限制，以在预定时间段内产生患者深静脉的受控静脉闭塞。 还提供了使用该装置检测DVT的方法。