Patents by Inventor Allen Farquhar

Allen Farquhar 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: 11793447
    Abstract: A system and methods for performing neurophysiologic assessments during surgery, such as assessing the health of the spinal cord via at least one of MEP and SSEP monitoring and assessing bone integrity, nerve proximity, neuromuscular pathway, and nerve pathology during spine surgery.
    Type: Grant
    Filed: May 14, 2021
    Date of Patent: October 24, 2023
    Assignee: NuVasive, Inc.
    Inventors: James E. Gharib, Allen Farquhar, Doug Layman
  • Patent number: 11457857
    Abstract: The present invention relates generally to an algorithm aimed at neurophysiology monitoring, and more particularly to an algorithm capable of quickly finding stimulation thresholds over multiple channels of a neurophysiology monitoring system.
    Type: Grant
    Filed: June 11, 2019
    Date of Patent: October 4, 2022
    Assignee: NuVasive, Inc.
    Inventor: Allen Farquhar
  • Publication number: 20220265189
    Abstract: The present invention relates to a system and methods generally aimed at surgery. More particularly, the present invention is directed at a system and related methods for performing surgical procedures and assessments involving the use of neurophysiology.
    Type: Application
    Filed: May 5, 2022
    Publication date: August 25, 2022
    Inventors: James E. Gharib, Allen Farquhar, Doug Layman, Thomas Scholl, Albert Kim, Albert Pothier, Patrick Miles, Josef Gorek, Mark Peterson
  • Patent number: 11219440
    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: Grant
    Filed: June 17, 2019
    Date of Patent: January 11, 2022
    Assignee: NuVasive, Inc.
    Inventors: Patrick Miles, Scot Martinelli, Eric Finley, James E. Gharib, Allen Farquhar, Norbert F. Kaula, Jeffrey J. Blewett
  • Patent number: 11219437
    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: Grant
    Filed: October 21, 2019
    Date of Patent: January 11, 2022
    Assignee: NuVasive, Inc.
    Inventors: Patrick Miles, Scot Martinelli, Eric Finley, James E. Gharib, Allen Farquhar, Norbert F. Kaula, Jeffrey J. Blewett
  • Publication number: 20210267531
    Abstract: A system and methods for performing neurophysiologic assessments during surgery, such as assessing the health of the spinal cord via at least one of MEP and SSEP monitoring and assessing bone integrity, nerve proximity, neuromuscular pathway, and nerve pathology during spine surgery.
    Type: Application
    Filed: May 14, 2021
    Publication date: September 2, 2021
    Inventors: James E. Gharib, Allen Farquhar, Doug Layman
  • Publication number: 20210251557
    Abstract: A system for performing surgical procedures and assessments. The system includes the use of neurophysiology-based monitoring to determine nerve proximity and nerve direction to surgical instruments employed in accessing a surgical target site.
    Type: Application
    Filed: March 16, 2021
    Publication date: August 19, 2021
    Inventors: Allen Farquhar, James E. Gharib, Norbert Kaula, Jeffrey J. Blewett
  • Publication number: 20210177337
    Abstract: The present invention relates to a system and methods generally aimed at surgery. More particularly, the present invention is directed at a system and related methods for performing surgical procedures and assessments involving the use of neurophysiology.
    Type: Application
    Filed: March 1, 2021
    Publication date: June 17, 2021
    Inventors: Kevin Runey, Allen Farquhar, James Gharib, Albert Pothier, Sean Parker
  • Publication number: 20210177391
    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: February 15, 2021
    Publication date: June 17, 2021
    Inventors: Patrick Miles, Scot Martinelli, Eric Finley, James E. Gharib, Allen Farquhar, Norbert F. Kaula, Jeffrey J. Blewett
  • Patent number: 11033218
    Abstract: A system and methods for performing neurophysiologic assessments during surgery, such as assessing the health of the spinal cord via at least one of MEP and SSEP monitoring and assessing bone integrity, nerve proximity, neuromuscular pathway, and nerve pathology during spine surgery.
    Type: Grant
    Filed: June 22, 2019
    Date of Patent: June 15, 2021
    Assignee: NuVasive, Inc.
    Inventors: James E. Gharib, Allen Farquhar, Doug Layman
  • Patent number: 10993650
    Abstract: A system performs surgical procedures and assessments. The system includes the use of neurophysiology-based monitoring to determine nerve proximity and nerve direction to surgical instruments employed in accessing a surgical target site.
    Type: Grant
    Filed: September 25, 2015
    Date of Patent: May 4, 2021
    Assignee: NuVasive, Inc.
    Inventors: Allen Farquhar, James E. Gharib, Norbert Kaula, Jeffrey J. Blewett
  • Patent number: 10980524
    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: Grant
    Filed: March 5, 2019
    Date of Patent: April 20, 2021
    Assignee: NuVasive, Inc.
    Inventors: Patrick Miles, Scot Martinelli, Eric Finley, James E. Gharib, Allen Farquhar, Norbert F. Kaula, Jeffrey J. Blewett
  • Publication number: 20210045649
    Abstract: The present invention relates to a system and methods generally aimed at surgery. More particularly, the present invention is directed at a system and related methods for performing surgical procedures and assessments involving the use of neurophysiology.
    Type: Application
    Filed: July 22, 2020
    Publication date: February 18, 2021
    Inventors: Kevin Runey, Allen Farquhar, James Gharib, Albert Pothier, Sean Parker
  • Publication number: 20200352468
    Abstract: The present invention relates to a system and methods generally aimed at surgery. More particularly, the present invention is directed at a system and related methods for performing surgical procedures and assessments involving the use of neurophysiology.
    Type: Application
    Filed: July 22, 2020
    Publication date: November 12, 2020
    Inventors: Kevin Runey, Allen Farquhar, James Gharib, Albert Pothier, Sean Parker
  • Publication number: 20200297277
    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: June 9, 2020
    Publication date: September 24, 2020
    Inventors: Norbert F. Kaula, Jeffrey J. Blewett, James E. Gharib, Allen Farquhar
  • Publication number: 20200281578
    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: May 27, 2020
    Publication date: September 10, 2020
    Inventors: Patrick Miles, Scot Martinelli, Eric Finley, James E. Gharib, Allen Farquhar, Norbert F. Kaula, Jeffrey J. Blewett
  • Patent number: 10716509
    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: Grant
    Filed: April 3, 2018
    Date of Patent: July 21, 2020
    Assignee: NuVasive, Inc.
    Inventors: Norbert F. Kaula, Jeffrey J. Blewett, James Gharib, Allen Farquhar
  • Patent number: 10695044
    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: Grant
    Filed: November 21, 2017
    Date of Patent: June 30, 2020
    Assignee: NuVasive, Inc.
    Inventors: Patrick Miles, Scot Martinelli, Eric Finley, James E. Gharib, Allen Farquhar, Norbert F. Kaula, Jeffrey J. Blewett
  • Publication number: 20200085590
    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: November 22, 2019
    Publication date: March 19, 2020
    Inventors: James E. Gharib, Allen Farquhar, Norbert F. Kaula, Jeffrey J. Blewett, Eric Finley, Scot Martinelli
  • Publication number: 20200077950
    Abstract: The present invention involves systems and related methods for performing percutaneous pedicle integrity assessments involving the use of neurophysiology.
    Type: Application
    Filed: September 18, 2019
    Publication date: March 12, 2020
    Inventors: Patrick Miles, Scot Martinelli, Eric Finley, Jamil Elbanna, James Gharib, Allen Farquhar, Norbert Kaula, Jeffrey Blewett