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    Fluid circuit priming methods, devices, and systems
    7.
    发明授权
    Fluid circuit priming methods, devices, and systems 有权

    公开(公告)号：US11344658B2

    公开(公告)日：2022-05-31

    申请号：US16392743

    申请日：2019-04-24

    Applicant: NxStage Medical, Inc.

    Inventor： James M. Brugger ,  William J. Schnell

    IPC: A61M1/36

    Abstract: According to embodiments, priming systems, methods, and devices are disclosed which allow medical treatment devices which pump fluid to be primed with minimal operator intervention and a high level of convenience. A blood circuit with a filter fitted with one or more air vents on a non-blood compartment is attached to a treatment system and priming fluid pumped slowly through the blood circuit in a loop. The source of fluid may be elevated, or the pumping may generate pressure, such that priming fluid is forced through the membrane of the filter and out the air vent(s). In embodiments, the vents are hydrophobic which prevent fluid from being ejected, so the priming system can run without intervention.

    Clamp device and methods for making and using
    8.
    发明授权
    Clamp device and methods for making and using 有权

    公开(公告)号：US09829113B2

    公开(公告)日：2017-11-28

    申请号：US14348509

    申请日：2013-05-24

    Applicant: NxStage Medical, Inc.

    Inventor： James M. Brugger ,  William J. Schnell

    IPC: F16K7/06 ,  B29C37/00 ,  A61M39/28

    CPC classification number: F16K7/06 ,  A61M39/284 ,  B29C37/0003 ,  Y10T24/44906

    Abstract: Releasable tubing pinch clamps of a generally U-shaped configuration are described. The embodiments include ones that prevent cross-clamping of the tube by various interlocking features on riser portions of the clamp. Methods and molds for making the pinch clamps are also described. The pinch clamp consists generally of a strip that curves so that its ends can be brought together by manually squeezing the strip at its ends which oppose each other as a result of the strip curve. The strip ends contain locking edges or surfaces that cause the strip ends to interferingly engage with each other and lock together. The strip also contains opposing pinching projections that pinch a tube.

    CLAMP DEVICE AND METHODS FOR MAKING AND USING
    9.
    发明申请
    CLAMP DEVICE AND METHODS FOR MAKING AND USING 有权
    夹钳装置及其制造和使用方法

    公开(公告)号：US20150267821A1

    公开(公告)日：2015-09-24

    申请号：US14348509

    申请日：2013-05-24

    Applicant: NxStage Medical, Inc.

    Inventor： James M. Brugger ,  William J. Schnell

    IPC: F16K7/06 ,  B29C37/00

    CPC classification number: F16K7/06 ,  A61M39/284 ,  B29C37/0003 ,  Y10T24/44906

    Abstract: Releasable tubing pinch clamps of a generally U-shaped configuration are described. The embodiments include ones that prevent cross-clamping of the tube by various interlocking features on riser portions of the clamp. Methods and molds for making the pinch clamps are also described. The pinch clamp consists generally of a strip that curves so that its ends can be brought together by manually squeezing the strip at its ends which oppose each other as a result of the strip curve. The strip ends contain locking edges or surfaces that cause the strip ends to interferingly engage with each other and lock together. The strip also contains opposing pinching projections that pinch a tube.

    Abstract translation: 描述了大致U形构造的可释放的管夹紧夹具。 这些实施例包括通过夹具的立管部分上的各种互锁特征来防止管的交叉夹紧的实施例。 还描述了用于制造夹紧夹具的方法和模具。 夹紧夹具通常由条带组成，其弯曲，使得其端部可以通过在条带曲线的作用下手动挤压条带在彼此相对的端部而被带到一起。 条带端部包含锁定边缘或表面，其使得条带端部彼此干涉地接合并锁定在一起。 条带还包含夹紧管的相对的夹持突起。

    Pressure measurement devices, methods, and systems
    10.
    发明授权
    Pressure measurement devices, methods, and systems 有权

    公开(公告)号：US12171926B2

    公开(公告)日：2024-12-24

    申请号：US18078299

    申请日：2022-12-09

    Applicant: NxStage Medical, Inc.

    Inventor： James M. Brugger ,  Dennis M. Treu ,  Jeffrey H. Burbank ,  Scott W. Newell ,  William J. Schnell ,  Kenneth E. Buckler

    IPC: A61M1/36 ,  G01L9/00 ,  G01L19/00

    Abstract: A method for measuring pressure includes securing a flow channel to a chassis of a measurement device, the flow channel having a flexible wall with a first mechanical engagement feature presented from an external surface thereof. The method also includes engaging the mechanical engagement feature with a complementary engagement member connected to a force transducer, the securing being effective to immobilize the flow channel relative to the force transducer, and detecting at least one of the position and orientation of the of the flow channel relative to transducer and comparing to at least one of a predefined position and orientation. Further, the method includes generating a signal responsive to the detecting, flowing a fluid through the flow channel, and transmitting forces caused by displacement of the flexible wall through the complementary engagement member to the force transducer. Further, electrical signals are generated responsively to a state of the force transducer.

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