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    Stepper motor driven peritoneal dialysis machine
    7.
    发明授权
    Stepper motor driven peritoneal dialysis machine 有权
    步进电机驱动腹膜透析机

    公开(公告)号：US09511180B2

    公开(公告)日：2016-12-06

    申请号：US13963553

    申请日：2013-08-09

    申请人： Baxter International Inc. ,  Baxter Healthcare S.A.

    发明人： Andrea (Krensky) Britton ,  Donald Busby ,  Eric Callahan ,  Robert Childers ,  Peter Hopping ,  Seyed Khorashahi ,  William Reese ,  Randall Sharo ,  Debra Toczko ,  Li Yue

    IPC分类号： A61M1/00 ,  A61M37/00 ,  A61M1/26 ,  A61M1/28

    CPC分类号： A61M1/267 ,  A61M1/166 ,  A61M1/28 ,  A61M1/281 ,  A61M1/288 ,  A61M2205/127 ,  A61M2205/50 ,  A61M2205/581 ,  A61M2205/583 ,  G06F19/00

    摘要： A peritoneal dialysis system includes: an enclosure including an actuation surface and a door; a stepper motor housed by the enclosure; a pump head and a solid pump piston structurally linking the pump head to the stepper motor; and a disposable unit accepted by the enclosure, the disposable unit including a flexible membrane attached to a rigid piece, the actuation surface of the enclosure and the disposable unit so configured and arranged that when the stepper motor turns and consequently translates the solid pump piston and the pump head towards the door, the pump head physically contacts and stretches the membrane from a relaxed position to a stretched position, and when the stepper motor turns and consequently translates the solid pump piston and the pump head away from the door, the membrane follows the pump head and transitions from the stretched position to the relaxed position.

    摘要翻译： 腹膜透析系统包括：包括致动表面和门的外壳; 由外壳容纳的步进电机; 泵头和固体泵活塞将泵头结构地连接到步进电机; 以及由外壳接受的一次性单元，一次性单元包括附接到刚性件的柔性膜，外壳的致动表面和如此构造和布置的一次性单元，使得当步进电机转动并因此平移固体泵活塞时 泵头朝向门，泵头物理接触并将膜从松弛位置拉伸到拉伸位置，并且当步进电机转动并因此将固体泵活塞和泵头转动离开门时，膜依次 泵头并从拉伸位置转变到松弛位置。

    Optimizing therapy outcomes for peritoneal dialysis
    9.
    发明授权
    Optimizing therapy outcomes for peritoneal dialysis 有权
    优化腹膜透析治疗效果

    公开(公告)号：US09348975B2

    公开(公告)日：2016-05-24

    申请号：US12431458

    申请日：2009-04-28

    申请人： Ying-Cheng Lo ,  Alp Akonur ,  Isaac Martis

    发明人： Ying-Cheng Lo ,  Alp Akonur ,  Isaac Martis

    IPC分类号： G06F19/00 ,  A61M1/28

    CPC分类号： G06F19/3481 ,  A61M1/28 ,  A61M1/281 ,  A61M1/282 ,  A61M2205/3569 ,  A61M2205/52 ,  A61M2205/6018 ,  A61M2205/6054 ,  A61M2205/6072 ,  G06F19/00

    摘要： Peritoneal dialysis therapy outcomes have been calculated for a variety of dwell times of peritoneal dialysis fluids in the peritoneal cavities of dialysis patients using kinetic modeling. The length of dwell time should not be the same for every patient, but should vary according to the patient condition and needs. Some patients have a potential for expressing greater ultrafiltrate into the dialysis fluid, and these patients can benefit from a longer dwell time, whereas other patients with less potential will not benefit from a longer dwell time. An optimal or peak time is observed for each peritoneal dialysis therapy outcome, such as ultrafiltrate volume rate, urea clearance (Kt/V), and creatinine clearance, while minimizing hydrocarbon absorption. These values and input parameters can be used to tailor the peritoneal dialysis dwell time for each patient, estimating the peak dwell time that will yield the best therapy outcome for each patient.

    摘要翻译： 已经使用动力学模型计算了透析患者腹膜腔腹膜透析液的各种停留时间的腹膜透析治疗结果。 每个患者的停留时间长度不应相同，但应根据患者情况和需要而变化。 一些患者有可能在透析液中表达更多的超滤液，这些患者可以从更长的停留时间中受益，而潜在的潜力较小的患者不会受益于更长的停留时间。 对于每个腹膜透析治疗结果，观察到最佳或高峰时间，例如超滤液体积率，尿素清除率（Kt / V）和肌酐清除率，同时使烃吸收最小化。 这些值和输入参数可用于定制每个患者的腹膜透析停留时间，估计将为每位患者产生最佳治疗结果的峰值停留时间。

    PERITONEAL DIALYSIS MACHINE
    10.
    发明申请
    PERITONEAL DIALYSIS MACHINE 审中-公开
    透气机

    公开(公告)号：US20150082867A1

    公开(公告)日：2015-03-26

    申请号：US14553104

    申请日：2014-11-25

    申请人： Baxter International Inc. ,  Baxter Healthcare S.A.

    发明人： Robert W. Childers

    IPC分类号： A61M1/28 ,  G01L7/00 ,  G01M3/04 ,  A61M1/36

    CPC分类号： A61M1/284 ,  A61B5/02042 ,  A61M1/28 ,  A61M1/281 ,  A61M1/288 ,  A61M1/3621 ,  A61M1/3639 ,  A61M1/3641 ,  A61M1/3643 ,  A61M1/3644 ,  A61M1/3652 ,  A61M2205/122 ,  A61M2205/128 ,  A61M2205/70 ,  G01L7/00 ,  G01M3/04

    摘要： A method for operating a dialysis cassette including a flexible membrane that covers a pump chamber includes allowing a source of fluid to fluidly communicate with the pump chamber of the dialysis cassette, filling the pump chamber with the fluid from the source, mechanically extending the flexible membrane into the pump chamber with a piston head to expel the fluid from the pump chamber through a flow path, and directly sensing a pressure of the fluid flowing through the flow path at a location of the dialysis cassette adjacent to the pump chamber and using the sensed pressure to perform a test prior to delivering fluid to a patient.

    摘要翻译： 用于操作包括覆盖泵室的柔性膜的透析盒的方法包括允许流体源与透析盒的泵室流体连通，用来自源的流体填充泵室，将柔性膜机械地延伸 进入具有活塞头的泵室，以通过流动路径将流体从泵室排出，并且在与泵室相邻的透析盒的位置处直接感测流过流路的流体的压力，并使用感测到的 在向患者输送流体之前执行测试的压力。