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    DESIGN RULES FOR SENSOR INTEGRATED SUBSTRATES
    8.
    发明申请
    DESIGN RULES FOR SENSOR INTEGRATED SUBSTRATES 有权

    公开(公告)号：US20220176722A1

    公开(公告)日：2022-06-09

    申请号：US17440679

    申请日：2020-03-16

    申请人： Smith & Nephew PLC

    发明人： Allan Kenneth Frazer Grugeon Hunt ,  Lee Ian Partington ,  Marcus Damian Phillips ,  Felix Clarence Quintanar

    IPC分类号： B41M3/00 ,  B41M1/12 ,  H05K3/12 ,  H05K1/09 ,  H05K1/02

    摘要： Methods of manufacturing a wound monitoring and/or therapy apparatus and/or wound dressing include positioning electronic components and connections in regions of a substrate that are not configured to be perforated. The methods can also include following a set of rules for positioning the components as well as positioning and shaping the connections based on the constraints stemming from, among other things, the positioning of the perforations on the substrate and with the goal of maintaining acceptable levels of signal integrity. The methods further include manufacturing a multi-layered substrate. Wound monitoring and/or therapy apparatus manufactured using such methods are also disclosed.

    SYSTEMS AND METHODS FOR MEASURING TISSUE IMPEDANCE
    9.
    发明申请
    SYSTEMS AND METHODS FOR MEASURING TISSUE IMPEDANCE 有权

    公开(公告)号：US20220151506A1

    公开(公告)日：2022-05-19

    申请号：US17440663

    申请日：2020-03-10

    申请人： Smith & Nephew PLC

    发明人： David Michael Bray ,  Felix Clarence Quintanar

    IPC分类号： A61B5/053 ,  A61B5/00 ,  A61M1/00 ,  A61F13/00

    摘要： A system can include excitation pads that can apply an excitation signal to tissue of a patient. The excitation pads can be connected to an electronic circuit that communicates the excitation signal to the excitation pads. The system can include a measurement sensor that can measure voltage of the tissue. The system can include a controller that can determine impedance of the tissue. The controller can be in communication with the excitation pads, the electronic circuit, and the measurement sensor. The controller can generate the excitation signal. The controller can obtain a current measurement of the excitation signal after it has been communicated through at least a portion of the electronic circuit. The current measurement can correspond to the excitation signal before it is applied to the tissue. The controller can determine impedance of the tissue based on the voltage measurement and the current measurement of the excitation signal.

    MULTIPLE DRESSING NEGATIVE PRESSURE WOUND THERAPY SYSTEM WITH CALIBRATED LEAK PATHS
    10.
    发明申请
    MULTIPLE DRESSING NEGATIVE PRESSURE WOUND THERAPY SYSTEM WITH CALIBRATED LEAK PATHS 有权

    公开(公告)号：US20210187171A1

    公开(公告)日：2021-06-24

    申请号：US16494224

    申请日：2018-03-15

    申请人： Smith & Nephew PLC

    发明人： Sarah Jenny Collinson ,  Yerbury Edward Hartwell ,  Felix Clarence Quintanar

    IPC分类号： A61M1/00 ,  A61F13/02

    摘要： Embodiments of apparatuses and methods for providing negative pressure wound therapy to multiple wounds are disclosed. In some embodiments, an apparatus includes a negative pressure source configured to couple via a plurality of fluid flow paths to a plurality of wound dressings. The plurality of flow paths includes a plurality of calibrated leaks. The apparatus also includes a controller configured to determine a total rate of flow in the plurality of fluid flow paths and compare the total rate of flow to a plurality of thresholds associated with the plurality of calibrated leaks to determine one or more operating conditions, such as a blockage in one or more of the plurality of flow paths. An indication of the operating condition can be provided.