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    Active stethoscope
    2.
    发明授权
    Active stethoscope 有权

    公开(公告)号：US12048581B2

    公开(公告)日：2024-07-30

    申请号：US17331930

    申请日：2021-05-27

    Applicant: Welch Allyn, Inc.

    Inventor： Edward Bremer

    IPC: A61B7/04 ,  A61B5/024 ,  A61B5/1455 ,  A61B5/28

    CPC classification number: A61B7/04 ,  A61B5/02416 ,  A61B5/1455 ,  A61B5/28 ,  A61B2560/04

    Abstract: A stethoscope includes a housing that has a first surface and a second surface. The first surface defines a first groove on a first side of the housing and a second groove on a second side of the housing. A photoplethysmogram sensor assembly is operably coupled to the housing and is configured to obtain and push data to a controller. The photoplethysmogram sensor assembly includes a first optical sensor disposed in the first groove and a second optical sensor disposed in the second groove. Each of the first optical sensor and the second optical sensor includes an emitter and a detector. A phonocardiogram sensor is coupled to the second surface of the housing and is configured to obtain and push data to the controller.

    ACTIVE STETHOSCOPE
    3.
    发明申请
    ACTIVE STETHOSCOPE 有权

    公开(公告)号：US20210369234A1

    公开(公告)日：2021-12-02

    申请号：US17331930

    申请日：2021-05-27

    Applicant: Welch Allyn, Inc.

    Inventor： Edward Bremer

    IPC: A61B7/04 ,  A61B5/1455 ,  A61B5/28 ,  A61B5/024

    Abstract: A stethoscope includes a housing that has a first surface and a second surface. The first surface defines a first groove on a first side of the housing and a second groove on a second side of the housing. A photoplethysmogram sensor assembly is operably coupled to the housing and is configured to obtain and push data to a controller. The photoplethysmogram sensor assembly includes a first optical sensor disposed in the first groove and a second optical sensor disposed in the second groove. Each of the first optical sensor and the second optical sensor includes an emitter and a detector. A phonocardiogram sensor is coupled to the second surface of the housing and is configured to obtain and push data to the controller.

    EXTENDED WEAR ELECTRODE BASELINE DETERMINATION FOR WEARABLE DEVICE
    4.
    发明申请
    EXTENDED WEAR ELECTRODE BASELINE DETERMINATION FOR WEARABLE DEVICE 有权

    公开(公告)号：US20210361183A1

    公开(公告)日：2021-11-25

    申请号：US17245632

    申请日：2021-04-30

    Applicant: Welch Allyn, Inc.

    Inventor： Edward Bremer ,  Thaddeus J. Wawro

    IPC: A61B5/0531 ,  A61N1/04

    Abstract: Examples for monitoring impedance of a hydrogel in an electrode. The electrode is applied to a patient to measure impedance through the patient's body. Hydrogel is used to conduct electrical signals between the patient's body and sensing circuitry of the electrode. The impedance of the hydrogel can change over time as the electrode is being worn. When the electrode is applied to a subject, the device measures the impedance of the hydrogel to determine a baseline value. This baseline value can then be used to calculate any necessary impedance corrections over the life of the electrode. Measurements are taken via a separate conductive trace that measures only impedance through the hydrogel and not from the patient's body. This allows for more accurate impedance readings to be taken with the electrode.

    WEARABLE HEALTH MANAGEMENT SYSTEM
    5.
    发明申请
    WEARABLE HEALTH MANAGEMENT SYSTEM 有权

    公开(公告)号：US20210386615A1

    公开(公告)日：2021-12-16

    申请号：US17341715

    申请日：2021-06-08

    Applicant: Welch Allyn, Inc.

    Inventor： Carlos Suarez ,  Edward Bremer ,  Aaron R. Burnham ,  Ashu Jain ,  John Lane ,  Christopher Larson ,  Rachel K. Douglas ,  Thaddeus J. Wawro

    IPC: A61H9/00

    Abstract: A wearable health management system includes a flexible member configured to be worn on an affected area by a patient. At least one actuator is operably coupled to the flexible member. The at least one actuator is configured to be adjusted between a deployed state and a non-deployed state. At least one of a photoplethysmogram sensor and a bioimpedance sensor is coupled to the flexible member to obtain one or more health metrics from the patient. A controller is in communication with the at least one actuator. The controller is configured to adjust the at least one actuator to the deployed state to provide a selected pressure to the affected area.

    WEARABLE DEVICE FOR SENSING VITAL SIGNS
    6.
    发明申请
    WEARABLE DEVICE FOR SENSING VITAL SIGNS 有权

    公开(公告)号：US20210369203A1

    公开(公告)日：2021-12-02

    申请号：US17329277

    申请日：2021-05-25

    Applicant: Welch Allyn, Inc.

    Inventor： Edward Bremer ,  Brian L. Jovanovski

    IPC: A61B5/00 ,  A61B5/1455 ,  A61B5/0205

    Abstract: A wearable device for sensing vital signs includes a flexible housing, at least one light emitter attached to the flexible housing, the at least one light emitter configured to emit optical signals, and light sensors attached to the flexible housing. The light sensors are positioned on opposite sides of the at least one light emitter. The flexible housing is structured to attach to a skin surface and flex at least partially around an anatomical structure enabling the light sensors to receive both reflective and transmissive optical signals near a chest of a subject.

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