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    Fluid management apparatus and method
    1.
    发明授权
    Fluid management apparatus and method 有权

    公开(公告)号：US11253640B2

    公开(公告)日：2022-02-22

    申请号：US15766320

    申请日：2016-11-17

    Applicant: KCI Licensing, Inc.

    Inventor： Michael Bernard Beasley ,  James Killingworth Seddon ,  Christopher Brian Locke

    IPC: A61M1/00 ,  H01H35/34 ,  H01H35/38 ,  H01H35/26

    Abstract: In one example embodiment, a vibration apparatus can augment and enhance negative-pressure therapy systems. The apparatus can be attached to an external surface of a dressing, fluid conductor, or other components. The apparatus can generate low-amplitude vibrations, which can be transmitted through the components. Kinetic energy of the oscillations can agitate fluid in the components, which can lower the viscosity of the fluid and reduce the frequency of blockages in fluid conductors. Vibrations may also agitate a tissue site, which can encourage blood flow and granulation.

    Therapy apparatus with integrated fluid conductors and noise attenuation
    4.
    发明授权
    Therapy apparatus with integrated fluid conductors and noise attenuation 有权

    公开(公告)号：US10478536B2

    公开(公告)日：2019-11-19

    申请号：US14849321

    申请日：2015-09-09

    Applicant: KCI Licensing, Inc.

    Inventor： Benjamin Andrew Pratt ,  James Killingworth Seddon ,  Christopher Brian Locke ,  David Mercer ,  Loren Francis

    IPC: A61M1/00 ,  B29L31/00

    Abstract: In one example embodiment, an apparatus may include a panel with integrated fluid channels, wherein the panel and the fluid channel consist only of surfaces that can be manufactured with a straight-pull mold. A port may also be integrated into the panel to facilitate coupling the fluid channel to pneumatic components in an assembly. A seal may be secured to the panel over the fluid channel to form an integrated fluid conductor. The seal is preferably an adhesive label that can also be used for product labeling. Such an apparatus may be used in a control unit of a therapy system, employing several integrated fluid conductors. A method of manufacturing may include molding a panel, wherein the mold forms a channel integral to the panel. The panel and the channel preferably consist of surfaces that can be molded with a straight-pull mold.

    Apparatus and methods for regulating negative pressure in a negative pressure wound therapy system
    5.
    发明授权
    Apparatus and methods for regulating negative pressure in a negative pressure wound therapy system 有权

    公开(公告)号：US11241338B2

    公开(公告)日：2022-02-08

    申请号：US15766576

    申请日：2016-11-01

    Applicant: KCI Licensing, Inc.

    Inventor： Benjamin Andrew Pratt ,  Michael Bernard Beasley ,  Christopher Brian Locke ,  James Killingworth Seddon

    IPC: A61F13/00 ,  A61M1/00 ,  H01H35/24 ,  H01H35/34

    Abstract: A pressure switch for controlling application of negative pressure to dressing disposed adjacent a tissue site is disclosed. The pressure switch comprises a body having a base, sidewalls extending from the base to an open end, and an inlet coupled to the dressing and forming a passage through the body. The pressure switch further comprises a diaphragm closing the open end of the sidewalls and forming a vacuum chamber with the body, wherein the inlet fluidly couples the vacuum chamber and the dressing. The pressure switch further comprises a valve disposed in the passage and configured to restrict the flow of gas through the passage so that a switch pressure developed in the vacuum chamber as a result of the application of negative pressure to the dressing lags a wound pressure at the tissue site to delay, wherein the diaphragm is adapted to be operatively responsive to the switch pressure to move between a relaxed position and a compressed position as the negative pressure increases and decreases. This pressure switch further comprises a switching element coupled to the diaphragm to turn on the negative pressure in the relaxed position and turn off the negative pressure in the compressed position. In another example, a method for controlling application of negative pressure to dressing disposed adjacent a tissue site using a pressure switch is disclosed. In another example, a system for applying negative pressure to a tissue site using a pressure switch is disclosed.

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