Patents by Inventor Jeffrey Blewett

Jeffrey Blewett 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: 20090204176
    Abstract: The present invention involves systems and related methods for performing percutaneous pedicle integrity assessments involving the use of neurophysiology.
    Type: Application
    Filed: April 21, 2009
    Publication date: August 13, 2009
    Applicant: NuVasive, Inc.
    Inventors: Patrick Miles, Scot Martinelli, Eric Finley, Jamil Elbanna, James Gharib, Allen Farquhar, Norbert Kaula, Jeffrey Blewett, Goretti Medeiros
  • Publication number: 20090204016
    Abstract: The present invention involves systems and related methods for performing surgical procedures and assessments, including the use of neurophysiology-based monitoring to: (a) determine nerve proximity and nerve direction to surgical instruments employed in accessing a surgical target site; (b) assess the pathology (health or status) of a nerve or nerve root before, during, or after a surgical procedure; and/or (c) assess pedicle integrity before, during or after pedicle screw placement, all in an automated, easy to use, and easy to interpret fashion so as to provide a surgeon-driven system.
    Type: Application
    Filed: April 20, 2009
    Publication date: August 13, 2009
    Applicant: NuVasive, Inc.
    Inventors: James Gharib, Allen Farquhar, Norbert Kaula, Jeffrey Blewett, Goretti Medeiros, Eric Finley, Jamil Elbanna, Scot Martinelli
  • Publication number: 20090192403
    Abstract: The present invention involves systems and related methods for performing surgical procedures and assessments, including the use of neurophysiology-based monitoring to: (a) determine nerve proximity and nerve direction to surgical instruments employed in accessing a surgical target site; (b) assess the pathology (health or status) of a nerve or nerve root before, during, or after a surgical procedure; and/or (c) assess pedicle integrity before, during or after pedicle screw placement, all in an automated, easy to use, and easy to interpret fashion so as to provide a surgeon-driven system.
    Type: Application
    Filed: April 14, 2009
    Publication date: July 30, 2009
    Applicant: NuVasive, Inc.
    Inventors: James Gharib, Allen Farquhar, Norbert Kaule, Jeffrey Blewett, Eric Finley, Scot Martinelli
  • Publication number: 20090124860
    Abstract: A surgical access system including a tissue distraction assembly and a tissue retraction assembly, both of which may be equipped with one or more electrodes for use in detecting the existence of (and optionally the distance and/or direction to) neural structures before, during, and after the establishment of an operative corridor to a surgical target site.
    Type: Application
    Filed: February 27, 2004
    Publication date: May 14, 2009
    Applicant: NuVasive, Inc.
    Inventors: Patrick Miles, Scot Martinelli, Eric Finley, James Gharib, Allen Farquhar, Norbert Kaula, Jeffrey Blewett, Goretti Medeiros
  • Publication number: 20080097164
    Abstract: A surgical access system including a tissue distraction assembly and a tissue retraction assembly, both of which may be equipped with one or more electrodes for use in detecting the existence of (and optionally the distance and/or direction to) neural structures before, during, and after the establishment of an operative corridor to a surgical target site.
    Type: Application
    Filed: January 16, 2004
    Publication date: April 24, 2008
    Applicant: NuVasive, Inc.
    Inventors: Patrick Miles, Scot Martinelli, Eric Finley, James Gharib, Allen Farquhar, Norbert Kaula, Jeffrey Blewett, Goretti Medeiros
  • Publication number: 20080065144
    Abstract: An expandable tip cannula system, comprising: a hollow cannula shaft having a proximal end and a distal end; and an expandable tip mounted at the distal end of the hollow cannula shaft, the expandable tip comprising a plurality of generally-triangular shaped petals held together in a radially-inwardly tapered arrangement between adjacent petals, each petal comprising a nerve sensing electrode disposed therein.
    Type: Application
    Filed: October 31, 2007
    Publication date: March 13, 2008
    Inventors: James Marino, Corbett Stone, Troy Christopher, Jeffrey Blewett, Brian Kelleher
  • Publication number: 20080064945
    Abstract: An expandable tip cannula system, comprising: a hollow cannula shaft having a proximal end and a distal end; and an expandable tip mounted at the distal end of the hollow cannula shaft, the expandable tip comprising a plurality of generally-triangular shaped petals held together in a radially-inwardly tapered arrangement between adjacent petals, each petal comprising a nerve sensing electrode disposed therein.
    Type: Application
    Filed: October 31, 2007
    Publication date: March 13, 2008
    Inventors: James Marino, Corbett Stone, Troy Christopher, Jeffrey Blewett, Brian Kelleher
  • Publication number: 20080058606
    Abstract: A system for accessing a surgical target site and related methods, involving an initial distraction system for creating an initial distraction corridor, and an assembly capable of distracting from the initial distraction corridor to a secondary distraction corridor and thereafter sequentially receiving a plurality of retractor blades for retracting from the secondary distraction corridor to thereby create an operative corridor to the surgical target site, both of which may be equipped with one or more electrodes for use in detecting the existence of (and optionally the distance and/or direction to) neural structures before, during, and after the establishment of an operative corridor to a surgical target site.
    Type: Application
    Filed: October 8, 2003
    Publication date: March 6, 2008
    Applicant: NuVasive, Inc.
    Inventors: Patrick Miles, Scot Martinelli, Eric Finley, James Gharib, Allen Farquhar, Norbert Kaula, Jeffrey Blewett
  • Publication number: 20070016097
    Abstract: System (20) and related methods for performing surgical procedures and assessments, including the use of neurophysiology-based monitoring to determine nerve proximity and nerve direction to surgical instruments (30) employed in accessing a surgical target site.
    Type: Application
    Filed: July 15, 2005
    Publication date: January 18, 2007
    Applicant: NuVasive, Inc.
    Inventors: Allen Farquhar, James Gharib, Norbert Kaula, Jeffrey Blewett, Goretti Medeiros
  • Publication number: 20050182454
    Abstract: The present invention involves systems and methods for determining nerve proximity, nerve direction, and pathology relative to a surgical instrument based on an identified relationship between neuromuscular responses and the stimulation signal that caused the neuromuscular responses.
    Type: Application
    Filed: January 9, 2004
    Publication date: August 18, 2005
    Applicant: NuVasive, Inc.
    Inventors: James Gharib, Norbert Kaula, Jeffrey Blewett, Goretti Medeiros
  • Publication number: 20050075578
    Abstract: The present invention involves systems and related methods for performing surgical procedures and assessments, including the use of neurophysiology-based monitoring to: (a) determine nerve proximity and nerve direction to surgical instruments employed in accessing a surgical target site; (b) assess the pathology (health or status) of a nerve or nerve root before, during, or after a surgical procedure; and/or (c) assess pedicle integrity before, during or after pedicle screw placement, all in an automated, easy to use, and easy to interpret fashion so as to provide a surgeon-driven system.
    Type: Application
    Filed: March 25, 2004
    Publication date: April 7, 2005
    Inventors: James Gharib, Allen Farquhar, Norbert Kaula, Jeffrey Blewett, Goretti Medeiros, Eric Finley, Jamil Elbanna, Scot Martinelli