Patents by Inventor Apurv U. Kamath

Apurv U. Kamath has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 8788008
    Abstract: Systems and methods for processing sensor analyte data, including initiating calibration, updating calibration, evaluating clinical acceptability of reference and sensor analyte data, and evaluating the quality of sensor calibration. During initial calibration, the analyte sensor data is evaluated over a period of time to determine stability of the sensor. The sensor may be calibrated using a calibration set of one or more matched sensor and reference analyte data pairs. The calibration may be updated after evaluating the calibration set for best calibration based on inclusion criteria with newly received reference analyte data. Fail-safe mechanisms are provided based on clinical acceptability of reference and analyte data and quality of sensor calibration. Algorithms provide for optimized prospective and retrospective analysis of estimated blood analyte data from an analyte sensor.
    Type: Grant
    Filed: May 31, 2011
    Date of Patent: July 22, 2014
    Assignee: DexCom, Inc.
    Inventors: Paul V. Goode, Jr., James H. Brauker, Apurv U. Kamath, James P. Thrower
  • Patent number: 8771187
    Abstract: Systems and methods for processing sensor analyte data, including initiating calibration, updating calibration, evaluating clinical acceptability of reference and sensor analyte data, and evaluating the quality of sensor calibration. During initial calibration, the analyte sensor data is evaluated over a period of time to determine stability of the sensor. The sensor may be calibrated using a calibration set of one or more matched sensor and reference analyte data pairs. The calibration may be updated after evaluating the calibration set for best calibration based on inclusion criteria with newly received reference analyte data. Fail-safe mechanisms are provided based on clinical acceptability of reference and analyte data and quality of sensor calibration. Algorithms provide for optimized prospective and retrospective analysis of estimated blood analyte data from an analyte sensor.
    Type: Grant
    Filed: May 31, 2011
    Date of Patent: July 8, 2014
    Assignee: DexCom, Inc.
    Inventors: Paul V. Goode, Jr., James H. Brauker, Apurv U. Kamath
  • Patent number: 8747315
    Abstract: Systems and methods for dynamically and intelligently estimating analyte data from a continuous analyte sensor, including receiving a data stream, selecting one of a plurality of algorithms, and employing the selected algorithm to estimate analyte values. Additional data processing includes evaluating the selected estimative algorithms, analyzing a variation of the estimated analyte values based on statistical, clinical, or physiological parameters, comparing the estimated analyte values with corresponding measure analyte values, and providing output to a user. Estimation can be used to compensate for time lag, match sensor data with corresponding reference data, warn of upcoming clinical risk, replace erroneous sensor data signals, and provide more timely analyte information encourage proactive behavior and preempt clinical risk.
    Type: Grant
    Filed: September 23, 2009
    Date of Patent: June 10, 2014
    Assignee: DexCom. Inc.
    Inventors: James H. Brauker, Victoria Carr-Brendel, Paul V. Goode, Apurv U. Kamath, James P. Thrower, Ben Xavier
  • Patent number: 8721585
    Abstract: Systems and methods for integrating a continuous glucose sensor, including a receiver, a medicament delivery device, and optionally a single point glucose monitor are provided. Manual integrations provide for a physical association between the devices wherein a user (for example, patient or doctor) manually selects the amount, type, and/or time of delivery. Semi-automated integration of the devices includes integrations wherein an operable connection between the integrated components aids the user (for example, patient or doctor) in selecting, inputting, calculating, or validating the amount, type, or time of medicament delivery of glucose values, for example, by transmitting data to another component and thereby reducing the amount of user input required. Automated integration between the devices includes integrations wherein an operable connection between the integrated components provides for full control of the system without required user interaction.
    Type: Grant
    Filed: March 30, 2012
    Date of Patent: May 13, 2014
    Assignee: Dex Com, Inc.
    Inventors: James H. Brauker, Mark A. Tapsak, Sean T. Saint, Apurv U. Kamath, Paul V. Neale, Peter C. Simpson, Michael Robert Mensinger, Dubravka Markovic
  • Patent number: 8591455
    Abstract: Systems and methods for continuous measurement of an analyte in a host are provided. The system generally includes a continuous analyte sensor configured to continuously measure a concentration of analyte in a host and a sensor electronics module physically connected to the continuous analyte sensor during sensor use, wherein the sensor electronics module is further configured to directly wirelessly communicate displayable sensor information to a plurality of different types of display devices.
    Type: Grant
    Filed: February 20, 2009
    Date of Patent: November 26, 2013
    Assignee: DexCom, Inc.
    Inventors: Michael Robert Mensinger, John Michael Dobbles, Apurv U. Kamath, Beat Stadelmann, Deborah M. Ruppert, Nasser Salamati, Richard C. Yang
  • Patent number: 8562558
    Abstract: An integrated system for the monitoring and treating diabetes is provided, including an integrated receiver/hand-held medicament injection pen, including electronics, for use with a continuous glucose sensor. In some embodiments, the receiver is configured to receive continuous glucose sensor data, to calculate a medicament therapy (e.g., via the integrated system electronics) and to automatically set a bolus dose of the integrated hand-held medicament injection pen, whereby the user can manually inject the bolus dose of medicament into the host. In some embodiments, the integrated receiver and hand-held medicament injection pen are integrally formed, while in other embodiments they are detachably connected and communicated via mutually engaging electrical contacts and/or via wireless communication.
    Type: Grant
    Filed: June 5, 2008
    Date of Patent: October 22, 2013
    Assignee: DexCom, Inc.
    Inventors: Apurv U. Kamath, Richard C. Yang, Jacob S. Leach, Nelson Quintana
  • Patent number: 8560037
    Abstract: Systems and methods for processing sensor analyte data are disclosed, including initiating calibration, updating calibration, evaluating clinical acceptability of reference and sensor analyte data, and evaluating the quality of sensor calibration. The sensor can be calibrated using a calibration set of one or more matched sensor and reference analyte data pairs. Reference data resulting from benchtop testing an analyte sensor prior to its insertion can be used to provide initial calibration of the sensor data. Reference data from a short term continuous analyte sensor implanted in a user can be used to initially calibrate or update sensor data from a long term continuous analyte sensor.
    Type: Grant
    Filed: March 26, 2010
    Date of Patent: October 15, 2013
    Assignee: DexCom, Inc.
    Inventors: Paul V. Goode, Jr., James H. Brauker, Apurv U. Kamath
  • Patent number: 8491474
    Abstract: Systems and methods for minimizing or eliminating transient non-glucose related signal noise due to non-glucose rate limiting phenomenon such as ischemia, pH changes, temperatures changes, and the like. The system monitors a data stream from a glucose sensor and detects signal artifacts that have higher amplitude than electronic or diffusion-related system noise. The system replaces some or the entire data stream continually or intermittently including signal estimation methods that particularly address transient signal artifacts. The system is also capable of detecting the severity of the signal artifacts and selectively applying one or more signal estimation algorithm factors responsive to the severity of the signal artifacts, which includes selectively applying distinct sets of parameters to a signal estimation algorithm or selectively applying distinct signal estimation algorithms.
    Type: Grant
    Filed: January 27, 2011
    Date of Patent: July 23, 2013
    Assignee: DexCom, Inc.
    Inventors: Paul V. Goode, Jr., James H. Brauker, Apurv U. Kamath, James Patrick Thrower, Victoria Carr-Brendel
  • Patent number: 8483793
    Abstract: Disclosed herein are systems and methods for a continuous analyte sensor, such as a continuous glucose sensor. One such system utilizes first and second working electrodes to measure analyte or non-analyte related signal, both of which electrode include an interference domain.
    Type: Grant
    Filed: October 29, 2010
    Date of Patent: July 9, 2013
    Assignee: DexCom, Inc.
    Inventors: Peter C. Simpson, James H. Brauker, Paul V. Goode, Apurv U. Kamath, James R. Petisce, Kum Ming Woo, Melissa A. Nicholas, Robert J. Boock, Monica A. Rixman, John Burd, Rathburn K. Rhodes, Mark A. Tapsak
  • Patent number: 8469886
    Abstract: Systems and methods for dynamically and intelligently estimating analyte data from a continuous analyte sensor, including receiving a data stream, selecting one of a plurality of algorithms, and employing the selected algorithm to estimate analyte values. Additional data processing includes evaluating the selected estimative algorithms, analyzing a variation of the estimated analyte values based on statistical, clinical, or physiological parameters, comparing the estimated analyte values with corresponding measure analyte values, and providing output to a user. Estimation can be used to compensate for time lag, match sensor data with corresponding reference data, warn of upcoming clinical risk, replace erroneous sensor data signals, and provide more timely analyte information encourage proactive behavior and preempt clinical risk.
    Type: Grant
    Filed: September 23, 2009
    Date of Patent: June 25, 2013
    Assignee: DexCom, Inc.
    Inventors: James H. Brauker, Victoria Carr-Brendel, Paul V. Goode, Apurv U. Kamath, James P. Thrower, Ben Xavier
  • Patent number: 8460231
    Abstract: Systems and methods for integrating a continuous glucose sensor, including a receiver, a medicament delivery device, and optionally a single point glucose monitor are provided. Manual integrations provide for a physical association between the devices wherein a user (for example, patient or doctor) manually selects the amount, type, and/or time of delivery. Semi-automated integration of the devices includes integrations wherein an operable connection between the integrated components aids the user (for example, patient or doctor) in selecting, inputting, calculating, or validating the amount, type, or time of medicament delivery of glucose values, for example, by transmitting data to another component and thereby reducing the amount of user input required. Automated integration between the devices includes integrations wherein an operable connection between the integrated components provides for full control of the system without required user interaction.
    Type: Grant
    Filed: July 11, 2011
    Date of Patent: June 11, 2013
    Assignee: DexCom, Inc.
    Inventors: James H. Brauker, Mark A. Tapsak, Sean T. Saint, Apurv U. Kamath, Paul V. Neale, Peter C. Simpson, Michael Robert Mensinger, Dubravka Markovic
  • Patent number: 8442610
    Abstract: Systems and methods for processing sensor analyte data, including initiating calibration, updating calibration, evaluating clinical acceptability of reference and sensor analyte data, and evaluating the quality of sensor calibration. During initial calibration, the analyte sensor data is evaluated over a period of time to determine stability of the sensor. The sensor may be calibrated using a calibration set of one or more matched sensor and reference analyte data pairs. The calibration may be updated after evaluating the calibration set for best calibration based on inclusion criteria with newly received reference analyte data. Fail-safe mechanisms are provided based on clinical acceptability of reference and analyte data and quality of sensor calibration. Algorithms provide for optimized prospective and retrospective analysis of estimated blood analyte data from an analyte sensor.
    Type: Grant
    Filed: August 21, 2008
    Date of Patent: May 14, 2013
    Assignee: DexCom, Inc.
    Inventors: Paul V. Goode, James H. Brauker, Apurv U. Kamath
  • Patent number: 8435179
    Abstract: Systems and methods for minimizing or eliminating transient non-glucose related signal noise due to non-glucose rate limiting phenomenon such as ischemia, pH changes, temperatures changes, and the like. The system monitors a data stream from a glucose sensor and detects signal artifacts that have higher amplitude than electronic or diffusion-related system noise. The system replaces some or the entire data stream continually or intermittently including signal estimation methods that particularly address transient signal artifacts. The system is also capable of detecting the severity of the signal artifacts and selectively applying one or more signal estimation algorithm factors responsive to the severity of the signal artifacts, which includes selectively applying distinct sets of parameters to a signal estimation algorithm or selectively applying distinct signal estimation algorithms.
    Type: Grant
    Filed: January 27, 2011
    Date of Patent: May 7, 2013
    Assignee: DexCom, Inc.
    Inventors: Paul V. Goode, Jr., James H. Brauker, Apurv U. Kamath, James Patrick Thrower, Victoria Carr-Brendel
  • Patent number: 8428679
    Abstract: Systems and methods for processing sensor analyte data, including initiating calibration, updating calibration, evaluating clinical acceptability of reference and sensor analyte data, and evaluating the quality of sensor calibration. During initial calibration, the analyte sensor data is evaluated over a period of time to determine stability of the sensor. The sensor may be calibrated using a calibration set of one or more matched sensor and reference analyte data pairs. The calibration may be updated after evaluating the calibration set for best calibration based on inclusion criteria with newly received reference analyte data. Fail-safe mechanisms are provided based on clinical acceptability of reference and analyte data and quality of sensor calibration. Algorithms provide for optimized prospective and retrospective analysis of estimated blood analyte data from an analyte sensor.
    Type: Grant
    Filed: March 26, 2010
    Date of Patent: April 23, 2013
    Assignee: DexCom, Inc.
    Inventors: Paul V. Goode, Jr., James H. Brauker, Apurv U. Kamath, Victoria Carr-Brendel
  • Patent number: 8412301
    Abstract: Systems and methods for minimizing or eliminating transient non-glucose related signal noise due to non-glucose rate limiting phenomenon such as ischemia, pH changes, temperatures changes, and the like. The system monitors a data stream from a glucose sensor and detects signal artifacts that have higher amplitude than electronic or diffusion-related system noise. The system replaces some or the entire data stream continually or intermittently including signal estimation methods that particularly address transient signal artifacts. The system is also capable of detecting the severity of the signal artifacts and selectively applying one or more signal estimation algorithm factors responsive to the severity of the signal artifacts, which includes selectively applying distinct sets of parameters to a signal estimation algorithm or selectively applying distinct signal estimation algorithms.
    Type: Grant
    Filed: February 9, 2011
    Date of Patent: April 2, 2013
    Assignee: DexCom, Inc.
    Inventors: Paul V. Goode, Jr., James H. Brauker, Apurv U. Kamath, James Patrick Thrower, Victoria Carr-Brendel
  • Patent number: 8394021
    Abstract: Systems and methods for processing sensor analyte data, including initiating calibration, updating calibration, evaluating clinical acceptability of reference and sensor analyte data, and evaluating the quality of sensor calibration. During initial calibration, the analyte sensor data is evaluated over a period of time to determine stability of the sensor. The sensor may be calibrated using a calibration set of one or more matched sensor and reference analyte data pairs. The calibration may be updated after evaluating the calibration set for best calibration based on inclusion criteria with newly received reference analyte data. Fail-safe mechanisms are provided based on clinical acceptability of reference and analyte data and quality of sensor calibration. Algorithms provide for optimized prospective and retrospective analysis of estimated blood analyte data from an analyte sensor.
    Type: Grant
    Filed: October 1, 2007
    Date of Patent: March 12, 2013
    Assignee: DexCom, Inc.
    Inventors: Paul V. Goode, James H. Brauker, Apurv U. Kamath
  • Patent number: 8346338
    Abstract: Systems and methods for minimizing or eliminating transient non-glucose related signal noise due to non-glucose rate limiting phenomenon such as ischemia, pH changes, temperatures changes, and the like. The system monitors a data stream from a glucose sensor and detects signal artifacts that have higher amplitude than electronic or diffusion-related system noise. The system replaces some or the entire data stream continually or intermittently including signal estimation methods that particularly address transient signal artifacts. The system is also capable of detecting the severity of the signal artifacts and selectively applying one or more signal estimation algorithm factors responsive to the severity of the signal artifacts, which includes selectively applying distinct sets of parameters to a signal estimation algorithm or selectively applying distinct signal estimation algorithms.
    Type: Grant
    Filed: January 27, 2011
    Date of Patent: January 1, 2013
    Assignee: DexCom, Inc.
    Inventors: Paul V. Goode, Jr., James H. Brauker, Apurv U. Kamath, James Patrick Thrower, Victoria Carr-Brendel
  • Patent number: 8332008
    Abstract: Systems and methods for processing sensor analyte data, including initiating calibration, updating calibration, evaluating clinical acceptability of reference and sensor analyte data, and evaluating the quality of sensor calibration. During initial calibration, the analyte sensor data is evaluated over a period of time to determine stability of the sensor. The sensor may be calibrated using a calibration set of one or more matched sensor and reference analyte data pairs. The calibration may be updated after evaluating the calibration set for best calibration based on inclusion criteria with newly received reference analyte data. Fail-safe mechanisms are provided based on clinical acceptability of reference and analyte data and quality of sensor calibration. Algorithms provide for optimized prospective and retrospective analysis of estimated blood analyte data from an analyte sensor.
    Type: Grant
    Filed: March 23, 2010
    Date of Patent: December 11, 2012
    Assignee: DexCom, Inc.
    Inventors: Paul V. Goode, James Brauker, Apurv U. Kamath, Victoria E. Carr-Brendel
  • Publication number: 20120296311
    Abstract: Systems and methods for integrating a continuous glucose sensor, including a receiver, a medicament delivery device, and optionally a single point glucose monitor are provided. Manual integrations provide for a physical association between the devices wherein a user (for example, patient or doctor) manually selects the amount, type, and/or time of delivery. Semi-automated integration of the devices includes integrations wherein an operable connection between the integrated components aids the user (for example, patient or doctor) in selecting, inputting, calculating, or validating the amount, type, or time of medicament delivery of glucose values, for example, by transmitting data to another component and thereby reducing the amount of user input required. Automated integration between the devices includes integrations wherein an operable connection between the integrated components provides for full control of the system without required user interaction.
    Type: Application
    Filed: July 26, 2012
    Publication date: November 22, 2012
    Applicant: DexCom, Inc.
    Inventors: James H. Brauker, Mark A. Tapsak, Sean T. Saint, Apurv U. Kamath, Paul V. Neale, Peter C. Simpson, Michael Robert Mensinger, Dubravka Markovic
  • Publication number: 20120283543
    Abstract: The present invention relates generally to systems and methods for measuring an analyte in a host. More particularly, the present invention relates to systems and methods for transcutaneous measurement of glucose in a host.
    Type: Application
    Filed: July 13, 2012
    Publication date: November 8, 2012
    Applicant: DexCom, Inc
    Inventors: James H. Brauker, Apurv U. Kamath, Paul V. Goode, Mark Brister