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    MEDICAL TREATMENT SYSTEM AND METHODS USING A PLURALITY OF FLUID LINES
    92.
    发明申请
    MEDICAL TREATMENT SYSTEM AND METHODS USING A PLURALITY OF FLUID LINES 有权

    公开(公告)号：US20220280706A1

    公开(公告)日：2022-09-08

    申请号：US17751578

    申请日：2022-05-23

    Applicant: DEKA Products Limited Partnership

    Inventor： Jason A. Demers ,  David W. McGill ,  Jacob W. Scarpaci ,  James D. Dale ,  Jesse T. Bodwell ,  Tien-shoe Wang

    IPC: A61M1/28 ,  A61M5/168 ,  A61M1/14

    Abstract: A medical treatment system, such as a peritoneal dialysis system, may include a control and other features to enhance patient comfort and ease of use. For example, a cycler device may include a heater bag receiving section and a lid mounted to cover and uncover the heater bag receiving section, potentially enabling faster heating of a dialysate. A user interface may be moveable to be received into the receiving section and covered by the lid, if desired. The system may detect anomalous conditions, such as tilting of a housing of the system, and automatically recover without terminating a treatment. The system may include noise reduction features, such as porting pneumatic outputs to a common chamber, and others. The system may also automatically detect any one of several different solution lines connected to the system, and control operation accordingly, e.g., to mix solutions provided by two or more lines and form a needed dialysate solution. A cassette control surface may be arranged to have one or more ports that can detect a presence of a liquid, e.g., to identify if a cassette is leaking or has otherwise been compromised.

    DISPOSABLE COMPONENTS FOR FLUID LINE AUTOCONNECT SYSTEMS AND METHODS
    93.
    发明申请
    DISPOSABLE COMPONENTS FOR FLUID LINE AUTOCONNECT SYSTEMS AND METHODS 有权

    公开(公告)号：US20220233754A1

    公开(公告)日：2022-07-28

    申请号：US17668554

    申请日：2022-02-10

    Applicant: DEKA Products Limited Partnership

    Inventor： David W. McGill ,  Jacob W. Scarpaci ,  James D. Dale ,  Simon C. Helmore ,  Jason A. Demers

    IPC: A61M1/28 ,  A61M5/168 ,  A61M1/14

    Abstract: Components for a medical infusion fluid handling system, such as an APD system, in which one or more lines (such as solution lines), spikes or other connection ports may be automatically capped and/or de-capped. This feature may provide advantages, such as a reduced likelihood of contamination since no human interaction is required to de-cap and connect the lines, spikes or other connections. For example, a fluid handling cassette may include one or more caps that cover a corresponding spike and include a raised and/or recessed feature to assist in removal of the cap from the cassette. A solution line cap may include a hole and recess, groove or other feature to engage with a spike cap and enable removal of the cap.

    Medical treatment system and methods using a plurality of fluid lines
    94.
    发明授权
    Medical treatment system and methods using a plurality of fluid lines 有权

    公开(公告)号：US11364329B2

    公开(公告)日：2022-06-21

    申请号：US15012764

    申请日：2016-02-01

    Applicant: DEKA Products Limited Partnership

    Inventor： Jason A. Demers ,  David W. McGill ,  Jacob W. Scarpaci ,  James D. Dale ,  Jesse T. Bodwell ,  Tien-Shoe Wang

    IPC: A61M1/28 ,  A61M5/168 ,  A61M1/14 ,  A61M1/16 ,  A61M39/10 ,  A61M39/28 ,  F04B43/02 ,  F04B43/08 ,  F04B43/073 ,  A61M39/20

    Abstract: A medical treatment system, such as a peritoneal dialysis system, may include a control and other features to enhance patient comfort and ease of use. For example, a cycler device may include a heater bag receiving section and a lid mounted to cover and uncover the heater bag receiving section, potentially enabling faster heating of a dialysate. A user interface may be moveable to be received into the receiving section and covered by the lid, if desired. The system may detect anomalous conditions, such as tilting of a housing of the system, and automatically recover without terminating a treatment. The system may include noise reduction features, such as porting pneumatic outputs to a common chamber, and others. The system may also automatically detect any one of several different solution lines connected to the system, and control operation accordingly, e.g., to mix solutions provided by two or more lines and form a needed dialysate solution. A cassette control surface may be arranged to have one or more ports that can detect a presence of a liquid, e.g., to identify if a cassette is leaking or has otherwise been compromised.

    Hemodialysis systems and methods
    97.
    发明授权
    Hemodialysis systems and methods 有权

    公开(公告)号：US11154646B2

    公开(公告)日：2021-10-26

    申请号：US16658877

    申请日：2019-10-21

    Applicant: DEKA Products Limited Partnership

    Inventor： Michael J. Wilt ,  Jason A. Demers ,  Kevin L. Grant ,  Brian D. Tracey ,  James D. Dale

    IPC: A61M1/16 ,  A61M1/36 ,  A61M1/26 ,  A61M1/34

    Abstract: Hemodialysis systems are described. A hemodialysis system may include a dialysate flow path through which dialysate is passed from a dialysate reservoir, which includes a valved vent to atmosphere, to an ultrafilter. The dialysate flow path includes a pneumatically actuated diaphragm-based dialysate pump for pumping fluid from the dialysate reservoir to the ultrafilter. The hemodialysis system may include a controller for controlling pneumatic actuation pressure delivered to the dialysate pump and at least one valve connecting the dialysate reservoir vent to the atmosphere. The hemodialysis system may be configured to actuate the dialysate pump and the at least one valve to introduce air into the dialysate flow path and expel liquid from the dialysate flow path to a drain.

    PUMP CASSETTE AND METHODS FOR USE IN MEDICAL TREATMENT SYSTEM USING A PLURALITY OF FLUID LINES
    100.
    发明申请
    PUMP CASSETTE AND METHODS FOR USE IN MEDICAL TREATMENT SYSTEM USING A PLURALITY OF FLUID LINES 审中-公开

    公开(公告)号：US20190314565A1

    公开(公告)日：2019-10-17

    申请号：US16391104

    申请日：2019-04-22

    Applicant: DEKA Products Limited Partnership

    Inventor： David W. McGill ,  James D. Dale ,  Simon C. Helmore ,  Richard J. Lanigan ,  Jason A. Demers ,  Dean Kamen

    IPC: A61M1/16 ,  A61M1/28 ,  A61M5/168 ,  A61M1/14

    Abstract: A fluid handling cassette, such as that useable with an automated peritoneal dialysis (APD) cycler device or other infusion apparatus, may include a generally planar body having at least one pump chamber formed as a depression in a first side of the body and a plurality of flowpaths for a fluid that includes a channel. A patient line port may be arranged for connection to a patient line and be in fluid communication with the at least one pump chamber via at least a first one of said flowpaths, and an optional membrane may be attached to the first side of the body over the at least one pump chamber. In one embodiment, the membrane may have a pump chamber portion with an unstressed shape that generally conforms to the depression of the at least one pump chamber in the body and is arranged to be movable for movement of the fluid in a useable space of the at least one pump chamber. One or more spacers may be provided in the at least one pump chamber to prevent the membrane from contacting an inner wall of the at least one pump chamber. The patient line, a drain line, and/or a heater bag line may be positioned to be separately occludable in relation to one or more solution lines that are connectable to the cassette.

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