中科微点-全球专利检索

  1. Login
  2. Sign Up

Search Results

67 records (took 0.021 seconds)

    SENSOR CONFIGURATIONS FOR ANATOMICAL VARIATIONS
    11.
    发明申请
    SENSOR CONFIGURATIONS FOR ANATOMICAL VARIATIONS 审中-公开
    用于解剖学变化的传感器配置

    公开(公告)号：US20150230743A1

    公开(公告)日：2015-08-20

    申请号：US14593602

    申请日：2015-01-09

    Applicant: COVIDIEN LP

    Inventor： Paulo E.X. Silveira ,  Sarah Hayman ,  Jill Klomhaus Anderson ,  Paul S. Addison ,  James N. Watson

    IPC: A61B5/1455 ,  A61B5/00

    CPC classification number: A61B5/14552 ,  A61B5/201 ,  A61B5/6814 ,  A61B5/6833 ,  A61B5/7207 ,  A61B5/7221 ,  A61B5/7246 ,  A61B5/7282 ,  A61B5/742 ,  A61B5/746 ,  A61B2562/0242 ,  A61B2562/046

    Abstract: A medical sensor includes a first set of optical components configured to obtain a first set of signals for determining a first regional oxygen saturation measurement. The first set of optical components includes a first emitter, a first detector separated from the first emitter by a first distance along a first axis, and a second detector separated from the first emitter by a second distance along the first axis, wherein the second distance is greater than the first distance. The sensor also includes a second set of optical components configured to obtain a second set of signals for determining a second regional oxygen saturation measurement. The second set of optical components includes a second emitter and a third detector separated from the second emitter by a third distance along a second axis, different from the first axis.

    Abstract translation: 医疗传感器包括配置成获得用于确定第一区域氧饱和度测量的第一组信号的第一组光学部件。 第一组光学部件包括第一发射器，第一检测器，沿着第一轴与第一发射器分开第一距离;以及第二检测器，沿第一轴与第一发射器分开第二距离，其中第二距离 大于第一距离。 传感器还包括配置成获得用于确定第二区域氧饱和度测量的第二组信号的第二组光学部件。 第二组光学部件包括第二发射器和第三检测器，该第二发射器和第三检测器沿着与第一轴不同的第二轴线与第二发射器分开第三距离。

    METHODS AND SYSTEMS FOR DETERMINING A VENOUS SIGNAL USING A PHYSIOLOGICAL MONITOR
    12.
    发明申请
    METHODS AND SYSTEMS FOR DETERMINING A VENOUS SIGNAL USING A PHYSIOLOGICAL MONITOR 有权
    使用生理监测器确定声门信号的方法和系统

    公开(公告)号：US20150208965A1

    公开(公告)日：2015-07-30

    申请号：US14606919

    申请日：2015-01-27

    Applicant: Covidien LP

    Inventor： James N. Watson ,  Paul S. Addison

    IPC: A61B5/1455 ,  A61B5/021 ,  A61B5/02 ,  A61B5/1495

    CPC classification number: A61B5/14551 ,  A61B5/02108 ,  A61B5/02416 ,  A61B5/1495

    Abstract: A physiological monitoring system may receive a sensor signal from a physiological sensor. The system may determine a first and second change metric based on the sensor signal, and may determine a venous signal based on the change metrics. In some embodiments, the sensor signal may be a photoplethysmograph signal that includes both arterial and venous information. By subtracting a second change metric from a first change metric, arterial contributions may be substantially removed, resulting in a signal primarily comprising venous information. The venous signal may be indicative of changes in the venous blood, and may be used to determine a physiological parameter, for example, blood pressure. The venous signal may also be used to trigger an event, for example, calibration of a blood pressure measurement.

    Abstract translation: 生理监测系统可以从生理传感器接收传感器信号。 系统可以基于传感器信号确定第一和第二改变度量，并且可以基于变化度量确定静脉信号。 在一些实施例中，传感器信号可以是包括动脉和静脉信息的光电体积描记器信号。 通过从第一变化度量减去第二变化度量，可以基本上去除动脉贡献，导致主要包括静脉信息的信号。 静脉信号可以指示静脉血液的变化，并且可以用于确定生理参数，例如血压。 静脉信号也可用于触发事件，例如血压测量的校准。

    SYSTEMS AND METHODS FOR REDUCING SIGNAL NOISE WHEN MONITORING AUTOREGULATION
    15.
    发明申请
    SYSTEMS AND METHODS FOR REDUCING SIGNAL NOISE WHEN MONITORING AUTOREGULATION 有权

    公开(公告)号：US20210145366A1

    公开(公告)日：2021-05-20

    申请号：US17158746

    申请日：2021-01-26

    Applicant: Covidien LP

    Inventor： Paul S. Addison ,  Dean Montgomery ,  James N. Watson

    IPC: A61B5/00 ,  A61B5/0205 ,  A61B5/02 ,  A61B5/1455

    Abstract: A method for monitoring autoregulation includes, using a processor, receiving a blood pressure signal, a regional oxygen saturation signal, and a blood volume signal from a patient. The method also includes determining a first linear correlation between the blood pressure signal and the regional oxygen saturation signal and determining a second linear correlation between the blood pressure signal and the blood volume signal. The method also includes determining a confidence level associated with the first linear correlation based at least in part on the second linear correlation and providing a signal indicative of the patient's autoregulation status to an output device based on the linear correlation and the confidence level.

    SYSTEM AND METHOD FOR MONITORING CEREBRAL ACTIVITY
    16.
    发明申请
    SYSTEM AND METHOD FOR MONITORING CEREBRAL ACTIVITY 有权

    公开(公告)号：US20210000413A1

    公开(公告)日：2021-01-07

    申请号：US17029965

    申请日：2020-09-23

    Applicant: Covidien LP

    Inventor： James N. Watson ,  Paul S. Addison

    IPC: A61B5/00 ,  A61B5/0476 ,  A61B5/1455 ,  G16H10/60 ,  G16H40/63 ,  G16H50/30

    Abstract: A patient monitor for monitoring cerebral activity of a patient may include a processor configured to determine a depth of consciousness index for the patient based on electroencephalography (EEG) data and determine regional oxygen saturation for the patient based on regional oximetry data. Additionally, the processor may be configured to determine a metric associated with cerebral activity of the patient based at least in part on the one or more values of the depth of consciousness index and the one or more regional oxygen saturation values and to provide the one or more values of a depth of consciousness index and the metric to an output device.

    Non-stationary feature relationship parameters for awareness monitoring
    17.
    发明授权
    Non-stationary feature relationship parameters for awareness monitoring 有权

    公开(公告)号：US10786198B2

    公开(公告)日：2020-09-29

    申请号：US15926432

    申请日：2018-03-20

    Applicant: Covidien LP

    Inventor： Paul S. Addison ,  James N. Watson

    IPC: A61B5/04 ,  A61B5/00 ,  A61B5/0476 ,  A61B5/048

    Abstract: Methods and systems are presented for determining physiological information in a physiological monitor. A physiological signal (e.g., an EEG signal) received from a subject is wavelet transformed and first and second related features that vary in scale over time are identified in the transformed signal. First and second coupled ridges of the respective first and second related features may also be identified in the transformed signal. A non-stationary relationship parameter is determined and is indicative of the relationship between the first and second features and/or between the first and second ridges. Physiological information, which may be indicative of a level of awareness of a subject, is determined based on the non-stationary relationship parameter. This physiological information may be used, for example, in an operating room to monitor/regulate the subject's anesthetic state while under general anesthesia or in an intensive care unit to monitor the subject's sedateness and administer medication accordingly.

    Pain level detection and characterization using capacitive sensors
    18.
    发明授权
    Pain level detection and characterization using capacitive sensors 有权

    公开(公告)号：US10716503B2

    公开(公告)日：2020-07-21

    申请号：US16121436

    申请日：2018-09-04

    Applicant: Covidien LP

    Inventor： Paul S. Addison ,  James N. Watson ,  Eric Morland

    IPC: A61B5/04 ,  A61B5/00 ,  A61B5/0476 ,  A61B5/053 ,  A61B5/1455

    Abstract: Systems, methods, sensors, and software for providing enhanced measurement and detection of patient pain response are provided herein. In a first example, a measurement system is provided that includes a capacitive system configured to measure a capacitance signal of tissue of the patient using a capacitive sensor applied to the tissue of the patient. The measurement system also includes a patient monitor configured to measure an electrical signal representing brain activity of the patient using a brain activity sensor applied to the tissue of the patient. The measurement system also includes a processing system configured to determine pain metrics based at least on the capacitance signal and the electrical signal, and determine a pain response of the patient based at least on the pain metrics and pain calibration information for the patient.

    DETERMINING CHANGES TO AUTOREGULATION
    19.
    发明申请
    DETERMINING CHANGES TO AUTOREGULATION 审中-公开

    公开(公告)号：US20190328241A1

    公开(公告)日：2019-10-31

    申请号：US15962438

    申请日：2018-04-25

    Applicant: Covidien LP

    Inventor： Paul S. Addison ,  Dean Montgomery ,  James N. Watson

    IPC: A61B5/0205 ,  A61B5/021 ,  A61B5/0295 ,  A61B5/1455 ,  A61B5/00

    Abstract: In some examples, a device includes processing circuitry configured to receive first and second signals indicative of first and second physiological parameters, respectively, of a patient. The processing circuitry is also configured to determine a first estimate of a limit of autoregulation of the patient based on the first and second signals. The processing circuitry is further configured to determine a difference between the first estimate of the limit of autoregulation and one or more other estimates of the limit of autoregulation. The processing circuitry is configured to determine a weighted average of the first estimate and a previous value of the limit of autoregulation based on the difference between the first estimate and the one or more other estimates. The processing circuitry is configured to determine an autoregulation status based on the weighted average and output, for display via the display, an indication of the autoregulation status.

    NON-STATIONARY FEATURE RELATIONSHIP PARAMETERS FOR AWARENESS MONITORING
    20.
    发明申请
    NON-STATIONARY FEATURE RELATIONSHIP PARAMETERS FOR AWARENESS MONITORING 审中-公开

    公开(公告)号：US20180256098A1

    公开(公告)日：2018-09-13

    申请号：US15926432

    申请日：2018-03-20

    Applicant: Covidien LP

    Inventor： Paul S. Addison ,  James N. Watson

    IPC: A61B5/00 ,  A61B5/04 ,  A61B5/048

    CPC classification number: A61B5/4821 ,  A61B5/0006 ,  A61B5/04014 ,  A61B5/0476 ,  A61B5/048 ,  A61B5/7257 ,  A61B5/726

    Abstract: Methods and systems are presented for determining physiological information in a physiological monitor. A physiological signal (e.g., an EEG signal) received from a subject is wavelet transformed and first and second related features that vary in scale over time are identified in the transformed signal. First and second coupled ridges of the respective first and second related features may also be identified in the transformed signal. A non-stationary relationship parameter is determined and is indicative of the relationship between the first and second features and/or between the first and second ridges. Physiological information, which may be indicative of a level of awareness of a subject, is determined based on the non-stationary relationship parameter. This physiological information may be used, for example, in an operating room to monitor/regulate the subject's anesthetic state while under general anesthesia or in an intensive care unit to monitor the subject's sedateness and administer medication accordingly.

Patent Agency Ranking