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    Small volume self-metered blood separation device
    11.
    发明授权
    Small volume self-metered blood separation device 有权

    公开(公告)号：US11266988B2

    公开(公告)日：2022-03-08

    申请号：US16491295

    申请日：2018-03-14

    Applicant: Wainamics, Inc.

    Inventor： Hrair Kirakossian ,  Ming Tan

    IPC: B01L3/00

    Abstract: The invention, is directed to devices and methods for low cost and convenient separation, of plasma from whole blood. In some embodiments, devices of the invention comprise an integrated collection of channels and chambers m a body that permit acquisition of a blood sample by capillary action, centrifugal separation of cells from plasma, and manual dispensing of purified plasma by simple pinching of a bellows chamber to force air into plasma-holding channels which thereby expels a predetermined volume of the purified plasma.

    SYSTEM AND SELF-METERING CARTRIDGES FOR POINT OF CARE BIOASSAYS
    15.
    发明申请
    SYSTEM AND SELF-METERING CARTRIDGES FOR POINT OF CARE BIOASSAYS 有权

    公开(公告)号：US20220032293A1

    公开(公告)日：2022-02-03

    申请号：US17129783

    申请日：2020-12-21

    Applicant: WAINAMICS, INC.

    Inventor： Arturo M. Escajeda ,  Huyen Tran ,  Ming X. Tan

    IPC: B01L3/00 ,  C12Q1/6844

    Abstract: The invention is directed to devices and methods for performing rapid low-cost bioassays in self-contained disposable cartridges that provide efficient mixing of sample and reactants under a layer of liquid wax. Some embodiments additionally use gravity assisted distribution of sample and assay reagents in conjunction with an appliance containing all necessary valves, pneumatic sources, heat sources and detection stations.

    MICROSCALE PLASMA SEPARATOR
    16.
    发明申请
    MICROSCALE PLASMA SEPARATOR 审中-公开

    公开(公告)号：US20170354361A1

    公开(公告)日：2017-12-14

    申请号：US15521221

    申请日：2015-11-03

    Applicant: Wainamics, Inc.

    Inventor： Ming Tan ,  Frank Zaugg ,  Peter Kernen

    IPC: A61B5/15 ,  A61M1/34 ,  G01N33/49

    CPC classification number: A61B5/150022 ,  A61B5/150221 ,  A61B5/150236 ,  A61B5/150244 ,  A61B5/150343 ,  A61J1/05 ,  A61J1/06 ,  A61M1/34 ,  A61M1/3403 ,  A61M1/3496 ,  A61M2205/3331 ,  B01L3/0217 ,  B01L3/502 ,  B01L2200/0605 ,  B01L2200/10 ,  B01L2300/0681 ,  B01L2300/0832 ,  G01N33/491

    Abstract: The invention is directed to methods and devices for efficient separation of plasma irons whole blood which are suitable for point of care use in resource poor environments, in some embodiments, elements of such devices comprise (a) a sample collection receptacle (SCR) with at least one port, the sample collection receptacle capable of holding a predetermined volume of a sample of undiluted whole blood drawn through a port; (b) a filter chamber having an inlet and an outlet, and containing at least one filter capable of separating plasma from blood cells as sample passes from an inlet side to an outlet side of the at least one filter whenever the filter chamber is placed in Quid communication with a port of the sample collection receptacle; and (c) a manually driven pump operationally associated with the SCR and filter chamber for (i) drawing a predetermined volume of sample into ore SCR by a first user action and (ii) driving the predetermined volume at a substantially constant linear flow under a pressure not exceeding 2 psi from the SCR through the filter chamber and the outlet of the filter chamber by a second user action.

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