Patents by Inventor James Petisce

James Petisce 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).

  • Publication number: 20110275919
    Abstract: The present invention relates generally to systems and methods for increasing oxygen availability to implantable devices. The preferred embodiments provide a membrane system configured to provide protection of the device from the biological environment and/or a catalyst for enabling an enzymatic reaction, wherein the membrane system includes a polymer formed from a high oxygen soluble material. The high oxygen soluble polymer material is disposed adjacent to an oxygen-utilizing source on the implantable device so as to dynamically retain high oxygen availability to the oxygen-utilizing source during oxygen deficits. Membrane systems of the preferred embodiments are useful for implantable devices with oxygen-utilizing sources and/or that function in low oxygen environments, such as enzyme-based electrochemical sensors and cell transplantation devices.
    Type: Application
    Filed: July 20, 2011
    Publication date: November 10, 2011
    Applicant: DexCom, Inc.
    Inventors: James Petisce, Mark A. Tapsak, Peter C. Simpson, Victoria Carr-Brendel
  • Publication number: 20100236923
    Abstract: Electrochemical sensors for measurement of an analyte comprising an analyte sensing membrane comprising at least one salt of acetate ion, carbonate ion, bicarbonate ion, or mixtures thereof. Sensor testing methods comprising contacting an electrochemical sensor with an aqueous solution comprising at least one salt of acetate ion, carbonate ion, bicarbonate ion, or mixtures thereof and contacting the electrochemical sensor with one or more concentrations of analyte, the one or more concentrations of analyte being in the clinical concentration range of the analyte.
    Type: Application
    Filed: March 16, 2010
    Publication date: September 23, 2010
    Applicant: Edwards Lifesciences Corporation
    Inventors: Henry Oviatt, JR., James Petisce, Charles Mooney
  • Publication number: 20100145172
    Abstract: The present invention relates generally to systems and methods for increasing oxygen availability to implantable devices. The preferred embodiments provide a membrane system configured to provide protection of the device from the biological environment and/or a catalyst for enabling an enzymatic reaction, wherein the membrane system includes a polymer formed from a high oxygen soluble material. The high oxygen soluble polymer material is disposed adjacent to an oxygen-utilizing source on the implantable device so as to dynamically retain high oxygen availability to the oxygen-utilizing source during oxygen deficits. Membrane systems of the preferred embodiments are useful for implantable devices with oxygen-utilizing sources and/or that function in low oxygen environments, such as enzyme-based electrochemical sensors and cell transplantation devices.
    Type: Application
    Filed: January 15, 2010
    Publication date: June 10, 2010
    Applicant: DexCom, Inc.
    Inventors: James Petisce, Mark A. Tapsak, Peter C. Simpson, Victoria Carr-Brendel, James H. Brauker
  • Patent number: 7379765
    Abstract: The present invention relates generally to systems and methods for increasing oxygen availability to implantable devices. The preferred embodiments provide a membrane system configured to provide protection of the device from the biological environment and/or a catalyst for enabling an enzymatic reaction, wherein the membrane system includes a polymer formed from a high oxygen soluble material. The high oxygen soluble polymer material is disposed adjacent to an oxygen-utilizing source on the implantable device so as to dynamically retain high oxygen availability to the oxygen-utilizing source during oxygen deficits. Membrane systems of the preferred embodiments are useful for implantable devices with oxygen-utilizing sources and/or that function in low oxygen environments, such as enzyme-based electrochemical sensors and cell transplantation devices.
    Type: Grant
    Filed: July 21, 2004
    Date of Patent: May 27, 2008
    Assignee: DexCom, Inc.
    Inventors: James Petisce, Mark A. Tapsak, Peter C. Simpson, Victoria Carr-Brendel, James H. Brauker
  • Publication number: 20080071156
    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: October 26, 2007
    Publication date: March 20, 2008
    Applicant: DexCom, Inc.
    Inventors: Mark Brister, Paul Neale, Sean Saint, James Petisce, Thomas McGee, Daniel Codd, David Petersen, Daniel Kline
  • Publication number: 20070235331
    Abstract: Systems and methods of use involving sensors having a signal-to-noise ratio that is substantially unaffected by non-constant noise are provided for continuous analyte measurement in a host. In some embodiments, a continuous analyte measurement system is configured to be wholly, transcutaneously, intravascularly or extracorporeally implanted.
    Type: Application
    Filed: May 18, 2007
    Publication date: October 11, 2007
    Applicant: DexCom, Inc.
    Inventors: Peter Simpson, Robert Boock, James Petisce, Mark Brister, Monica Rixman, Kum Ming Woo, Lisa Nguyen, Seth Brunner, Arthur Chee, Melissa Nicholas, Matthew Wightlin, Jack Pryor, Dubravka Markovic
  • Publication number: 20070213611
    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: Application
    Filed: March 27, 2007
    Publication date: September 13, 2007
    Inventors: Peter Simpson, James Brauker, Paul Goode, Apurv Kamath, James Petisce, Kum Woo, Melissa Nicholas, Robert Boock, Monica Rixman, John Burd, Rathbun Rhodes, Mark Tapsak
  • Publication number: 20070196432
    Abstract: This invention relates to antimicrobial lenses containing coated zeolites and methods for their production.
    Type: Application
    Filed: October 2, 2006
    Publication date: August 23, 2007
    Inventors: David Turner, Azaam Alli, James Ford, Stephen Galas, Ann-Marie Meyers, Frank Neely, James Petisce, Robert Steffen, Douglas Vanderlaan, James Jen, Joseph Hepting, James Ebel
  • Publication number: 20070197890
    Abstract: The present invention relates generally to membranes utilized with implantable devices, such as devices for the detection of analyte concentrations in a biological sample. More particularly, the invention relates to novel silicone-hydrophilic polymer blend membranes, and to devices and implantable devices including these membranes.
    Type: Application
    Filed: February 14, 2007
    Publication date: August 23, 2007
    Inventors: Robert Boock, Monica Rixman, James Brauker, James Petisce, Peter Simpson, Mark Brister, Mark Tapsak, Victor Carr-Brendel
  • Publication number: 20070173710
    Abstract: The present invention relates generally to devices for measuring an analyte in a host. More particularly, the present invention relates to devices for measurement of glucose in a host that incorporate a hydrophilic electrode domain and/or a cellulosic-based interference domain.
    Type: Application
    Filed: January 17, 2007
    Publication date: July 26, 2007
    Inventors: James Petisce, Kum Woo, Melissa Nicholas, Rebecca Campbell, Olivia Tran
  • Publication number: 20070173709
    Abstract: The present invention relates generally to devices for measuring an analyte in a host. More particularly, the present invention relates to devices for measurement of glucose in a host that incorporate a hydrophilic electrode domain and/or a cellulosic-based interference domain.
    Type: Application
    Filed: January 17, 2007
    Publication date: July 26, 2007
    Inventors: James Petisce, Kum Woo, Melissa Nicholas, Rebecca Campbell, Olivia Tran
  • Publication number: 20070163880
    Abstract: The present invention relates generally to systems and methods for measuring an analyte in a host and associated methods of manufacture. More particularly, the present invention relates to systems and methods for transcutaneous measurement of glucose in a host and associated methods of manufacture.
    Type: Application
    Filed: March 1, 2007
    Publication date: July 19, 2007
    Applicant: DexCom, Inc.
    Inventors: Kum Woo, James Petisce, Mark Brister, John Nolting
  • Publication number: 20070093704
    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 additional analyte or non-analyte related signal. Such measurements may provide a background and/or sensitivity measurement(s) for use in processing sensor data and may be used to trigger events such as digital filtering of data or suspending display of data.
    Type: Application
    Filed: October 4, 2006
    Publication date: April 26, 2007
    Inventors: Mark Brister, James Petisce, Peter Simpson, James Brauker
  • Publication number: 20070059196
    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: April 26, 2006
    Publication date: March 15, 2007
    Inventors: Mark Brister, James Petisce, Kum Woo, Sean Saint, John Nolting
  • Publication number: 20070032717
    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 additional analyte or non-analyte related signal. Such measurements may provide a background and/or sensitivity measurement(s) for use in processing sensor data and may be used to trigger events such as digital filtering of data or suspending display of data.
    Type: Application
    Filed: October 4, 2006
    Publication date: February 8, 2007
    Inventors: Mark Brister, James Petisce, Peter Simpson
  • Publication number: 20070027385
    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 additional analyte or non-analyte related signal. Such measurements may provide a background and/or sensitivity measurement(s) for use in processing sensor data and may be used to trigger events such as digital filtering of data or suspending display of data.
    Type: Application
    Filed: October 4, 2006
    Publication date: February 1, 2007
    Inventors: Mark Brister, Sean Saint, James Petisce, Curtis Hanson, Peter Simpson, Jack Pryor
  • Publication number: 20070027384
    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 additional analyte or non-analyte related signal. Such measurements may provide a background and/or sensitivity measurement(s) for use in processing sensor data and may be used to trigger events such as digital filtering of data or suspending display of data.
    Type: Application
    Filed: October 4, 2006
    Publication date: February 1, 2007
    Inventors: Mark Brister, James Petisce, Peter Simpson
  • Publication number: 20060249381
    Abstract: The present invention relates generally to devices for measuring an analyte in a host. More particularly, the present invention relates to devices for measurement of glucose in a host that incorporate a cellulosic-based resistance domain.
    Type: Application
    Filed: April 28, 2006
    Publication date: November 9, 2006
    Inventors: James Petisce, Kum Woo, Victor Ha, Melissa Nicholas
  • Publication number: 20060253012
    Abstract: The present invention relates generally to devices for measuring an analyte in a host. More particularly, the present invention relates to devices for measurement of glucose in a host that incorporate a cellulosic-based resistance domain.
    Type: Application
    Filed: April 28, 2006
    Publication date: November 9, 2006
    Inventors: James Petisce, Kum Woo, Victor Ha, Melissa Nicholas
  • Publication number: 20060252027
    Abstract: The present invention relates generally to devices for measuring an analyte in a host. More particularly, the present invention relates to devices for measurement of glucose in a host that incorporate a cellulosic-based resistance domain.
    Type: Application
    Filed: April 28, 2006
    Publication date: November 9, 2006
    Inventors: James Petisce, Kum Woo, Victor Ha, Melissa Nicholas