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    SYSTEMS AND METHODS FOR IMPROVING CONTROL RESPONSIVENESS DURING ASPIRATION
    1.
    发明申请
    SYSTEMS AND METHODS FOR IMPROVING CONTROL RESPONSIVENESS DURING ASPIRATION 审中-公开

    公开(公告)号：WO2020068823A1

    公开(公告)日：2020-04-02

    申请号：PCT/US2019/052689

    申请日：2019-09-24

    Applicant: STRYKER CORPORATION

    Inventor： MERKEL, Brett R. ,  SMITH, Michael Teasdale ,  BALDWIN, Robert Mitchell ,  DANIEL, Darryl, D., II ,  GATICA, Anthony W. ,  FRIEDMAN, Mark ,  FINEOUT, Benjamin ,  BODNAR, Jonathan

    IPC: A61M1/00

    Abstract: An aspiration system to control vacuum pressure in an ultrasonic surgical handpiece to result in improved control responsiveness during aspiration. The system comprises a console including a vacuum pump. The system includes a cassette comprising a joint that divides a vacuum path into at least two flow paths. A first joint port couples to a first flow path. A second flow path is coupled to a second joint port, a third flow path is coupled to a third joint port, and a fourth flow path is coupled to a port on a surgical waste receiver. A first sensor senses pressure in the fourth flow path and provides a waste receiver pressure signal. A second sensor senses pressure in the third flow path and provides a tip pressure signal. The controller controls a position of a first vent valve and a second vent valve based on the waste receiver pressure signal and the tip pressure signal, respectively.

    SURGICAL IRRIGATION CASSETTE
    2.
    发明申请
    SURGICAL IRRIGATION CASSETTE 审中-公开

    公开(公告)号：WO2020068509A1

    公开(公告)日：2020-04-02

    申请号：PCT/US2019/051690

    申请日：2019-09-18

    Applicant: STRYKER CORPORATION

    Inventor： FINEOUT, Ben ,  MERKEL, Brett ,  BODNAR, Jonathan ,  BALDWIN, Robert Mitchell ,  ARTHUR, Marc ,  ROLFSON, Steve

    IPC: A61M1/16 ,  A61M1/00

    Abstract: A surgical irrigation cassette comprises a cassette housing, a portion of a pump, and fluid pathways. The housing defines a chamber therein and a first console connector including a first pneumatic connector port. The pump portion includes an intake side of the pump and an output side of the pump. The fluid pathways are disposed at least in part within the chamber. A first fluid pathway, in an installed position, connects the intake side of the pump with a supply fluid container. A second fluid pathway, in an installed position, connects the output side of the pump and a handpiece. A third fluid pathway, in an installed position, connects the handpiece and a waste container. A fourth fluid pathway, in an installed position, connects the first console connector and the waste container.

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