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    Blood-solute calculation with a mobile device using non-invasive spectroscopy
    1.
    发明授权
    Blood-solute calculation with a mobile device using non-invasive spectroscopy 有权

    公开(公告)号：US12150759B2

    公开(公告)日：2024-11-26

    申请号：US18302569

    申请日：2023-04-18

    Applicant: Google LLC

    Inventor： Christopher David Workman ,  Ricky Bomber ,  Kelly Dobson

    IPC: A61B5/1455 ,  A61B5/00 ,  G01J3/02 ,  G01J3/453 ,  A61B5/145

    Abstract: This document describes techniques and devices for blood-solute calculation with a mobile device using non-invasive spectroscopy. A mobile device (502) includes a light source (504) that emits light toward an interferometer (508) that uses mirrors to separate and recombine the light. The interferometer directs the recombined light toward a person. Light reflected from, or transmitted through, the person is received through a reception port (506) to a photodetector (510) that outputs photodetector data that corresponds to a measured light intensity of the reflected and transmitted light as a function of a path length of the light or a mirror position of the interferometer. Based on the photodetector data, an interferogram is generated. Applying a technique such as a Fourier transform to the interferogram, a spectrum data set of the reflected and transmitted light is generated. Based on the spectrum data set, a concentration of solutes in the person's blood is calculated.

    Blood-Solute Calculation with a Mobile Device Using Non-Invasive Spectroscopy
    3.
    发明申请
    Blood-Solute Calculation with a Mobile Device Using Non-Invasive Spectroscopy 有权

    公开(公告)号：US20250032011A1

    公开(公告)日：2025-01-30

    申请号：US18919159

    申请日：2024-10-17

    Applicant: Google LLC

    Inventor： Christopher David Workman ,  Ricky Bomber ,  Kelly Dobson

    IPC: A61B5/1455 ,  A61B5/00 ,  A61B5/145 ,  G01J3/02 ,  G01J3/453

    Abstract: This document describes techniques and devices for blood-solute calculation with a mobile device using non-invasive spectroscopy. A mobile device includes a light source that emits light toward an interferometer that uses mirrors to separate and recombine the light. The interferometer directs the recombined light toward a person. Light reflected from, or transmitted through, the person is received through a reception port to a photodetector that outputs photodetector data that corresponds to a measured light intensity of the reflected and transmitted light as a function of a path length of the light or a mirror position of the interferometer. Based on the photodetector data, an interferogram is generated. Applying a technique such as a Fourier transform to the interferogram, a spectrum data set of the reflected and transmitted light is generated. Based on the spectrum data set, a concentration of solutes in the person's blood is calculated.

    System and Methods for Measuring Stimulated Raman Scattering
    4.
    发明申请
    System and Methods for Measuring Stimulated Raman Scattering 有权

    公开(公告)号：US20240423512A1

    公开(公告)日：2024-12-26

    申请号：US18700512

    申请日：2022-10-11

    Applicant: Google LLC

    Inventor： Christopher David Workman ,  Vahe Tshitoyan ,  Altaf Khetani ,  Cheongyuen William Tsang ,  Kelly Elizabeth Dobson

    IPC: A61B5/145 ,  A61B5/1455 ,  G01N21/65 ,  G01N33/66

    Abstract: The present disclosure provides computer-implemented methods, systems, and devices for non-invasively measuring a level of an analyte in a user using Stimulated Raman Scattering. A user computing device includes a Raman pump source that emits pump light toward a skin surface of the user at a pump wavelength. The device includes a Stokes source that emits Stokes light toward the skin surface at a plurality of Stokes wavelengths within a window of Raman measurement wavelengths. The Stokes light comprises a plurality of narrowband emissions at a respective plurality of center wavelengths ranging across the window of Raman measurement wavelengths. The device includes a photodetector that measures light that emanates from the skin surface. The device includes a processor that processes the measured light to provide an estimated analyte level of the user.

    Blood-Solute Calculation with a Mobile Device Using Non-Invasive Spectroscopy
    5.
    发明公开
    Blood-Solute Calculation with a Mobile Device Using Non-Invasive Spectroscopy 审中-公开

    公开(公告)号：US20230263436A1

    公开(公告)日：2023-08-24

    申请号：US18302569

    申请日：2023-04-18

    Applicant: Google LLC

    Inventor： Christopher David Workman ,  Ricky Bomber ,  Kelly Dobson

    IPC: A61B5/1455 ,  A61B5/00 ,  G01J3/02 ,  G01J3/453

    CPC classification number: A61B5/1455 ,  A61B5/6803 ,  A61B5/681 ,  A61B5/6898 ,  A61B5/7257 ,  A61B5/7267 ,  G01J3/0272 ,  G01J3/4532 ,  A61B5/14532

    Abstract: This document describes techniques and devices for blood-solute calculation with a mobile device using non-invasive spectroscopy. A mobile device (502) includes a light source (504) that emits light toward an interferometer (508) that uses mirrors to separate and recombine the light. The interferometer directs the recombined light toward a person. Light reflected from, or transmitted through, the person is received through a reception port (506) to a photodetector (510) that outputs photodetector data that corresponds to a measured light intensity of the reflected and transmitted light as a function of a path length of the light or a mirror position of the interferometer. Based on the photodetector data, an interferogram is generated. Applying a technique such as a Fourier transform to the interferogram, a spectrum data set of the reflected and transmitted light is generated. Based on the spectrum data set, a concentration of solutes in the person's blood is calculated.

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