Patents Assigned to Vital Connect, Inc.
  • Patent number: 12004852
    Abstract: A system, device and method of calibrating a sensor determine a sensor vector associated with a subject; process the sensor vector; determine a sensor elevation angle as a prediction of the subject's body elevation from a result of processing the sensor vector; and perform calibration using the sensor vector, sensor elevation angle, and a gravity vector.
    Type: Grant
    Filed: September 28, 2017
    Date of Patent: June 11, 2024
    Assignee: Vital Connect, Inc.
    Inventors: Nandakumar Selvaraj, Thang Tran, Arshan Aga
  • Patent number: 11950928
    Abstract: A wearable sensor and method for providing a wearable sensor are disclosed. In a first aspect, the wearable sensor comprises a first module, wherein the first module comprises a top layer, a printed circuit board (PCB) layer, and a bottom layer. The bottom layer comprises a double adhesive layer that adheres to both the PCB layer and the user. The bottom layer includes at least two openings to house at least two electrodes for monitoring of a user. The wearable sensor further comprises a second module coupled to the first module, wherein the first module is disposable and the second module is reusable. In a second aspect, the method comprises providing the aforementioned wearable sensor.
    Type: Grant
    Filed: September 8, 2021
    Date of Patent: April 9, 2024
    Assignee: Vital Connect, Inc.
    Inventors: Yun Yang, Azin Sahabi
  • Patent number: 11826125
    Abstract: The present application relates to a device, system, and method for determining patient body temperature based on a multi-modal wearable biosensor applied to the surface of the body that measures multiple physiological, physical, and skin-surface/microclimatic thermal parameters, derives additional instantaneous parameters, learns contextual parameters based on temporal dynamics, and employs ensemble model fusion method to estimate core body temperature.
    Type: Grant
    Filed: July 19, 2020
    Date of Patent: November 28, 2023
    Assignee: Vital Connect, Inc.
    Inventors: Paurakh Lal Rajbhandary, Gabriel Nallathambi
  • Patent number: 11811768
    Abstract: A method and system for securely transmitting a plurality of data streams between a client device and a server that are in communication via standard Internet protocols are disclosed. The method comprises authenticating the client device by the server to create a Session ID and authorizing the client device to access the plurality of data streams by the server using at least one ACL Group, wherein a WebSocket connection is created between the client device and the server once the client device is both authenticated and authorized. The system comprises a client device and a server in communication with the client device via standard Internet protocols, wherein the server authenticates the client device to create a session, authorizes the client device to access the plurality of data streams using at least one ACL Group, wherein a WebSocket connection is created once the client device is both authenticated and authorized.
    Type: Grant
    Filed: January 22, 2019
    Date of Patent: November 7, 2023
    Assignee: Vital Connect, Inc.
    Inventors: Steve Petersen, Kesava Mallela
  • Patent number: 11744522
    Abstract: A method and system for assessing an electrocardiogram (ECG) signal quality are disclosed. In a first aspect, the method comprises determining a Kurtosis calculation of the ECG signal and determining whether the Kurtosis calculation satisfies a first threshold to continuously assess the ECG signal quality. In a second aspect, the system comprises a wireless sensor device coupled to a user via at least one electrode, wherein the wireless sensor device includes a processor and a memory device coupled to the processor, wherein the memory device stores an application which, when executed by the processor, causes the processor to determine a Kurtosis calculation of the ECG signal and to determine whether the Kurtosis calculation satisfies a first threshold to continuously assess the ECG signal quality.
    Type: Grant
    Filed: June 30, 2021
    Date of Patent: September 5, 2023
    Assignee: Vital Connect, Inc.
    Inventors: Nima Ferdosi, Ravi Narasimhan
  • Patent number: 11678811
    Abstract: A method and system for contextual heart rate monitoring are disclosed. In a first aspect, the method comprises calculating a heart rate using a detected ECG signal and detecting an activity level. In a second aspect, the system comprises a wireless sensor device coupled to a user via at least one electrode, wherein the wireless sensor device includes a processor and a memory device coupled to the processor, wherein the memory device stores an application which, when executed by the processor, causes the processor to calculate a heart rate using a detected ECG signal and to detect an activity level.
    Type: Grant
    Filed: October 18, 2019
    Date of Patent: June 20, 2023
    Assignee: Vital Connect, Inc.
    Inventors: Nima Ferdosi, Ravi Narasimhan, Alexander Chan
  • Patent number: 11647967
    Abstract: A method and system for providing health-monitoring alarm management have been disclosed. In a first aspect, the method comprises detecting at least one vital sign signal using a wearable sensor device and managing an alarm mechanism of the wearable sensor device based on the at least one vital sign signal. In a second aspect, the system comprises a sensor for detecting at least one vital sign signal, a processor coupled to the sensor, and a memory device coupled to the processor, wherein the memory device stores an application which, when executed by the processor, causes the processor to manage an alarm mechanism of the wearable sensor device based on the at least one vital sign signal.
    Type: Grant
    Filed: September 22, 2016
    Date of Patent: May 16, 2023
    Assignee: Vital Connect, Inc.
    Inventor: Nandakumar Selvaraj
  • Patent number: 11607138
    Abstract: A method and system for determining a respiratory rate of a user using an electrocardiogram (ECG) segment of the user are disclosed. The method comprises decomposing the ECG segment into a plurality of functions and evaluating the plurality of functions to choose one of the plurality of functions based on a respiratory band power. The method includes determining the respiratory rate using the one of the plurality of functions and a domain detection.
    Type: Grant
    Filed: July 19, 2019
    Date of Patent: March 21, 2023
    Assignee: Vital Connect, Inc.
    Inventors: Nandakumar Selvaraj, Ravi Narasimhan
  • Patent number: 11534108
    Abstract: A wireless wearable sensor device, system, method, and non-transitory computer readable medium for screening for structural heart disease based on electrocardiogram, phonocardiogram, and/or accelerometer signals on a patient's skin surface.
    Type: Grant
    Filed: September 9, 2019
    Date of Patent: December 27, 2022
    Assignee: VITAL CONNECT, INC.
    Inventors: Gabriel Nallathambi, Ben Alexander, Nandakumar Selvaraj
  • Patent number: 11419556
    Abstract: A method and system for detecting pacing pulses originating from implanted pacemaker using surface Electrocardiogram (ECG) signals measured at a relatively low sampling rate and also rejecting the pacing artifacts from the recorded surface ECG signals.
    Type: Grant
    Filed: July 2, 2020
    Date of Patent: August 23, 2022
    Assignee: VITAL CONNECT, INC.
    Inventors: Gabriel Nallathambi, Nandakumar Selvaraj
  • Patent number: 11406328
    Abstract: A method and system for low-distortion denoising of an ECG signal are disclosed. The method comprises determining at least one beat of the ECG signal for denoising using a beat selection logic and denoising the at least one beat using at least one ensemble averaging filter. The system includes a sensor to detect the ECG signal, a processor coupled to the sensor, wherein the processor includes a beat selection logic unit, and a memory device coupled to the processor, wherein the memory device includes an application that, when executed by the processor, causes the processor to determine at least one beat of the ECG signal for denoising using a beat selection logic and to denoise the at least one beat using at least one ensemble averaging filter.
    Type: Grant
    Filed: February 26, 2019
    Date of Patent: August 9, 2022
    Assignee: Vital Connect, Inc.
    Inventors: Nima Ferdosi, Ravi Narasimhan
  • Patent number: 11406305
    Abstract: A method and system for determining a signal quality metric of a cardiovascular time series utilizing a wireless sensor device are disclosed. In a first aspect, the method comprises determining subsequent values of the cardiovascular time series and comparing the determined subsequent values to a threshold value. In a second aspect, a wireless sensor device comprises a processor and a memory device coupled to the processor, wherein the memory device includes an application that, when executed by the processor, causes the processor to determine subsequent values of the cardiovascular time series and compare the determined subsequent values to a threshold value.
    Type: Grant
    Filed: June 29, 2018
    Date of Patent: August 9, 2022
    Assignee: Vital Connect, Inc.
    Inventors: Nandakumar Selvaraj, Ravi Narasimhan
  • Patent number: 11324420
    Abstract: A method and system for sleep apnea detection are disclosed. The method comprises detecting at least one respiratory signal and utilizing a detection algorithm to automatically detect at least one sleep apnea event from the at least one respiratory signal. The system includes a sensor to determine at least one respiratory signal, a processor coupled to the sensor, and a memory device coupled to the processor, wherein the memory device includes a detection algorithm and an application that, when executed by the processor, causes the processor to utilize the detection algorithm to automatically determine at least one sleep apnea event from the at least one respiratory signal.
    Type: Grant
    Filed: January 22, 2019
    Date of Patent: May 10, 2022
    Assignee: Vital Connect, Inc.
    Inventors: Nandakumar Selvaraj, Ravi Narasimhan
  • Patent number: 11278216
    Abstract: A method and wireless sensor device for determining step count is disclosed. In one aspect, a method includes receiving sensor data. The method includes detecting if there is activity of the body based on the sensor data. If there is activity, the method also includes classifying the activity and determining step count based on classification of the activity.
    Type: Grant
    Filed: June 8, 2018
    Date of Patent: March 22, 2022
    Assignee: VITAL CONNECT, INC.
    Inventors: Alexander Chan, Nima Ferdosi, Ravi Narasimhan
  • Patent number: 11185287
    Abstract: A device-securing overlay includes a wearable strip that has a controlled applicant to fit over at least a portion of a wearable device, while an adhesive on an under portion of the wearable strip is placed in contact with at least a top portion of an outer rim of the wearable device as well as a surface upon which the wearable device is placed, without covering portions of the wearable device that require ventilation or an unobstructed view.
    Type: Grant
    Filed: June 22, 2018
    Date of Patent: November 30, 2021
    Assignee: Vital Connect, Inc.
    Inventors: Olivier Colliou, Rod Moghadam
  • Patent number: 11172882
    Abstract: A wearable device includes one or more sensors of information from a subject. The wearable device may have an electronic assembly supported by a base. The electronic assembly may include a sensor data collection system configured to control collection of sensor data related to one or more characteristics of a subject and one or more processors. the sensor data collection system may include a controller configured to control sequencing and scheduling of the sensor data collection, and a buffer configured to receive and buffer data corresponding to the sensor data collected from the one or more sensors in accordance with a signal provided by the controller. The one or more processors may be configured to receive the buffered data from the buffer in accordance with a wake signal; process the received data; and output the processed data.
    Type: Grant
    Filed: September 5, 2018
    Date of Patent: November 16, 2021
    Assignee: Vital Connect, Inc.
    Inventors: Ashwin Upadhya, Frank Pan
  • Patent number: 11162824
    Abstract: A biosensor screening system and method is disclosed that assesses functional integrity/capacity of biosensor samples and identifies the biosensor samples that may potentially cause failure such as shutdown of biosensor during normal use. Features of the disclosed biosensor screening system and method may include connecting to a biosensor to a biosensor screening test apparatus, conducting a biosensor screening test using the biosensor screening apparatus on the biosensor connected to the biosensor screening test apparatus, collecting data attributes from the biosensor after completing the biosensor test, scaling the collected data attributes, and obtaining a screening test score.
    Type: Grant
    Filed: January 24, 2019
    Date of Patent: November 2, 2021
    Assignee: Vital Connect, Inc.
    Inventors: Nandakumar Selvaraj, Anuj Sareen, Zachary Bernal, Ashwin Upadhya
  • Patent number: 11116447
    Abstract: A wearable sensor and method for providing a wearable sensor are disclosed. In a first aspect, the wearable sensor comprises a first module, wherein the first module comprises a top layer, a printed circuit board (PCB) layer, and a bottom layer. The bottom layer comprises a double adhesive layer that adheres to both the PCB layer and the user. The bottom layer includes at least two openings to house at least two electrodes for monitoring of a user. The wearable sensor further comprises a second module coupled to the first module, wherein the first module is disposable and the second module is reusable. In a second aspect, the method comprises providing the aforementioned wearable sensor.
    Type: Grant
    Filed: March 7, 2016
    Date of Patent: September 14, 2021
    Assignee: Vital Connect, Inc.
    Inventors: Yun Yang, Azin Sahabi
  • Patent number: 11096606
    Abstract: A method and wireless sensor device for determining body postures and activities. In one aspect, a method includes receiving sensor data. The method also includes detecting and classifying a body transition of a body based on the sensor data. The method also includes detecting if there is activity of the body based on the sensor data. If there is activity, the method also includes classifying the activity. If there is no activity, the method also includes classifying a rest position of the body based on the sensor data and based on a previous body transition.
    Type: Grant
    Filed: June 8, 2018
    Date of Patent: August 24, 2021
    Assignee: Vital Connect, Inc.
    Inventors: Alexander Chan, Nima Ferdosi, Ravi Narasimhan
  • Patent number: 11076810
    Abstract: A method and system for assessing an electrocardiogram (ECG) signal quality are disclosed. In a first aspect, the method comprises determining a Kurtosis calculation of the ECG signal and determining whether the Kurtosis calculation satisfies a first threshold to continuously assess the ECG signal quality. In a second aspect, the system comprises a wireless sensor device coupled to a user via at least one electrode, wherein the wireless sensor device includes a processor and a memory device coupled to the processor, wherein the memory device stores an application which, when executed by the processor, causes the processor to determine a Kurtosis calculation of the ECG signal and to determine whether the Kurtosis calculation satisfies a first threshold to continuously assess the ECG signal quality.
    Type: Grant
    Filed: September 5, 2012
    Date of Patent: August 3, 2021
    Assignee: VITAL CONNECT, INC.
    Inventors: Nima Ferdosi, Ravi Narasimhan