Patents by Inventor William Sandul

William Sandul 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: 11253170
    Abstract: Implementations described herein include surgical distraction devices having a distal movement assembly having a pusher plate comprising a first slot extending along a first axis disposed in a first side and a second slot extending along a second axis disposed in a second side thereof. The first axis is oriented at an angle of from about 60 to about 160 degrees from the second axis. The device further includes a first and second paddles, each paddle having a corresponding engagement mechanism for movably coupling the respective first or second paddle to the pusher plate when engaged in the respective slot. Rotational actuation of the proximal drive assembly causes proximal or distal movement of the pusher plate, causing the first and second engagement members to move relative to their respective slots, thereby moving the first paddle and the second paddle in opposing directions. Methods of using such surgical distraction devices to determine size of an intervertebral space are also described.
    Type: Grant
    Filed: December 13, 2019
    Date of Patent: February 22, 2022
    Assignee: Zimmer Biomet Spine, Inc.
    Inventors: Terry Ziemek, Susanne Duman, William Sandul, Samuel Jebsen
  • Patent number: 11065129
    Abstract: An expandable intervertebral fusion device is provided including a core, an upper endplate for contacting a first vertebral body and a lower endplate for contacting a second vertebral body. The expandable intervertebral fusion device is configurable in a first state, a second state and a third state. In the first state, the upper and lower endplates are generally planar to one another and define a first height. In the second state, the upper and lower endplates remain generally planar to one another and define a second height greater than the first height. In the third state, a lordotic angle is defined between the upper and lower end plates.
    Type: Grant
    Filed: April 3, 2019
    Date of Patent: July 20, 2021
    Assignee: Zimmer Biomet Spine, Inc.
    Inventor: William Sandul
  • Publication number: 20200113482
    Abstract: Implementations described herein include surgical distraction devices having a distal movement assembly having a pusher plate comprising a first slot extending along a first axis disposed in a first side and a second slot extending along a second axis disposed in a second side thereof. The first axis is oriented at an angle of from about 60 to about 160 degrees from the second axis. The device further includes a first and second paddles, each paddle having a corresponding engagement mechanism for movably coupling the respective first or second paddle to the pusher plate when engaged in the respective slot. Rotational actuation of the proximal drive assembly causes proximal or distal movement of the pusher plate, causing the first and second engagement members to move relative to their respective slots, thereby moving the first paddle and the second paddle in opposing directions. Methods of using such surgical distraction devices to determine size of an intervertebral space are also described.
    Type: Application
    Filed: December 13, 2019
    Publication date: April 16, 2020
    Inventors: Terry Ziemek, Susanne Duman, William Sandul, Samuel Jebsen
  • Patent number: 10531816
    Abstract: Implementations described herein include surgical distraction devices having a distal movement assembly having a pusher plate comprising a first slot extending along a first axis disposed in a first side and a second slot extending along a second axis disposed in a second side thereof. The first axis is oriented at an angle of from about 60 to about 160 degrees from the second axis. The device further includes a first and second paddles, each paddle having a corresponding engagement mechanism for movably coupling the respective first or second paddle to the pusher plate when engaged in the respective slot. Rotational actuation of the proximal drive assembly causes proximal or distal movement of the pusher plate, causing the first and second engagement members to move relative to their respective slots, thereby moving the first paddle and the second paddle in opposing directions. Methods of using such surgical distraction devices to determine size of an intervertebral space are also described.
    Type: Grant
    Filed: February 1, 2017
    Date of Patent: January 14, 2020
    Assignee: Zimmer Biomet Spine, Inc.
    Inventors: Terry Ziemek, Susanne Duman, William Sandul, Samuel Jebsen
  • Publication number: 20190231552
    Abstract: An expandable intervertebral fusion device is provided including a core, an upper endplate for contacting a first vertebral body and a lower endplate for contacting a second vertebral body. The expandable intervertebral fusion device is configurable in a first state, a second state and a third state. In the first state, the upper and lower endplates are generally planar to one another and define a first height. In the second state, the upper and lower endplates remain generally planar to one another and define a second height greater than the first height. In the third state, a lordotic angle is defined between the upper and lower end plates.
    Type: Application
    Filed: April 3, 2019
    Publication date: August 1, 2019
    Inventor: William Sandul
  • Patent number: 10278831
    Abstract: An expandable intervertebral fusion device is provided including a core, an upper endplate for contacting a first vertebral body and a lower endplate for contacting a second vertebral body. The expandable intervertebral fusion device is configurable in a first state, a second state and a third state. In the first state, the upper and lower endplates are generally planar to one another and define a first height. In the second state, the upper and lower endplates remain generally planar to one another and define a second height greater than the first height. In the third state, a lordotic angle is defined between the upper and lower endplates.
    Type: Grant
    Filed: May 29, 2015
    Date of Patent: May 7, 2019
    Assignee: Zimmer Biomet Spine, Inc.
    Inventor: William Sandul
  • Patent number: 10045800
    Abstract: The present invention provides spinous process implants and associated methods. In one aspect of the invention, the implant includes a first extension and a second extension. The first extension has a spacer extending from a medial lacing side along a longitudinal axis. The second extension has an aperture that slidingly receives the spacer. Accordingly, the second extension is moveable relative to the spacer along the longitudinal axis. The second extension includes a threaded bore in communication with the aperture. A set screw is threadably received in the threaded bore of the second extension. The set screw can be tightened against an outer surface of the spacer to lock the second extension in place relative to the longitudinal axis.
    Type: Grant
    Filed: September 29, 2016
    Date of Patent: August 14, 2018
    Assignee: Zimmer Biomet Spine, Inc.
    Inventors: Justin Taber, Patrick Hunt, Andrew Lamborne, Randall G. Mast, William Sandul, Dean Karahalios
  • Publication number: 20170215767
    Abstract: Implementations described herein include surgical distraction devices having a distal movement assembly having a pusher plate comprising a first slot extending along a first axis disposed in a first side and a second slot extending along a second axis disposed in a second side thereof. The first axis is oriented at an angle of from about 60 to about 160 degrees from the second axis. The device further includes a first and second paddles, each paddle having a corresponding engagement mechanism for movably coupling the respective first or second paddle to the pusher plate when engaged in the respective slot. Rotational actuation of the proximal drive assembly causes proximal or distal movement of the pusher plate, causing the first and second engagement members to move relative to their respective slots, thereby moving the first paddle and the second paddle in opposing directions. Methods of using such surgical distraction devices to determine size of an intervertebral space are also described.
    Type: Application
    Filed: February 1, 2017
    Publication date: August 3, 2017
    Inventors: Terry Ziemek, Susanne Duman, William Sandul, Samuel Jebsen
  • Publication number: 20170042589
    Abstract: The present invention provides spinous process implants and associated methods. In one aspect of the invention, the implant includes a first extension and a second extension. The first extension has a spacer extending from a medial lacing side along a longitudinal axis. The second extension has an aperture that slidingiy receives the spacer. Accordingly, the second extension is moveable relative to the spacer along the longitudinal axis. The second extension includes a threaded bore in communication with the aperture. A set screw is threadably received in the threaded bore of the second extension. The set screw can be tightened against an outer surface of the spacer to lock the second extension in place relative to the longitudinal axis.
    Type: Application
    Filed: September 29, 2016
    Publication date: February 16, 2017
    Inventors: Justin Taber, Patrick Hunt, Andrew Lamborne, Randall G. Mast, William Sandul, Dean Karahalios
  • Patent number: 9561060
    Abstract: The present invention provides spinous process implants and associated methods. In one aspect of the invention, the implant includes at least one extension with a superior lobe pivotally connected to an inferior lobe, such as by a hinge, to allow unfolding of the at least one extension from a folded position to an unfolded position. In certain aspects, the folding extension may include fasteners to facilitate engagement with the spinous processes to provide both a flexion stop as well as an extension stop. The fasteners may have corresponding bores to allow the fasteners to reside in the bores to provide a compact profile for implantation. In another aspect of the invention, the implant is introduced to the surgical site using a lateral or paramedian approach and associated tools to facilitate the same.
    Type: Grant
    Filed: December 31, 2013
    Date of Patent: February 7, 2017
    Assignee: Zimmer Biomet Spine, Inc.
    Inventors: Justin Taber, Patrick Hunt, Andrew Lamborne, Randall G. Mast, William Sandul
  • Publication number: 20150374508
    Abstract: An expandable intervertebral fusion device is provided including a core, an upper endplate for contacting a first vertebral body and a lower endplate for contacting a second vertebral body. The expandable intervertebral fusion device is configurable in a first state, a second state and a third state. In the first state, the upper and lower endplates are generally planar to one another and define a first height. In the second state, the upper and lower endplates remain generally planar to one another and define a second height greater than the first height. In the third state, a lordotic angle is defined between the upper and lower endplates.
    Type: Application
    Filed: May 29, 2015
    Publication date: December 31, 2015
    Inventor: William SANDUL
  • Publication number: 20150313650
    Abstract: The present invention provides spinous process implants and associated methods. In one aspect of the invention, the implant includes at least one extension with a superior lobe pivotally connected to an inferior lobe, such as by a hinge, to allow unfolding of the at least one extension from a folded position to an unfolded position. In certain aspects, the folding extension may include fasteners to facilitate engagement with the spinous processes to provide both a flexion stop as well as an extension stop. The fasteners may have corresponding bores to allow the fasteners to reside in the bores to provide a compact profile for implantation. In another aspect of the invention, the implant is introduced to the surgical site using a lateral or paramedian approach and associated tools to facilitate the same.
    Type: Application
    Filed: December 31, 2013
    Publication date: November 5, 2015
    Applicant: Lanx, Inc.
    Inventors: Justin TABER, Patrick HUNT, Andrew LAMBORNE, Randall G. MAST, William SANDUL
  • Publication number: 20150265413
    Abstract: The present invention provides spinous process implants and associated methods. In one aspect of the invention, the implant includes a first extension and a second extension. The first extension has a spacer extending from a medial facing side along a longitudinal axis. The second extension has an aperture that slidingly receives the spacer. Accordingly, the second extension is moveable relative to the spacer along the longitudinal axis. The second extension includes a threaded bore in communication with the aperture. A set screw is threadably received in the threaded bore of the second extension. The set screw can be tightened against an outer surface of the spacer to lock the second extension in place relative to the longitudinal axis.
    Type: Application
    Filed: May 21, 2015
    Publication date: September 24, 2015
    Inventors: Justin Taber, Patrick Hunt, Andrew Lamborne, Randy Mast, William Sandul, Dean Karahalios
  • Patent number: 9066760
    Abstract: The present invention provides spinous process implants and associated methods. In one aspect of the invention, the implant includes at least one extension with a first part and a second part where at least one arm is coupled to each of the first part and the second part. The first part and the second pan are movable from a compact to a distracted state. In another aspect, the present invention provides a second extension that is slidingly coupled to the first and second arms. The second extension further comprises a third part and a fourth part that move with the first and second part.
    Type: Grant
    Filed: January 4, 2013
    Date of Patent: June 30, 2015
    Assignee: Lanx, Inc.
    Inventors: Justin Taber, Patrick Hunt, Andrew Lamborne, Randy Mast, William Sandul, Dean Karahalios
  • Patent number: 9005248
    Abstract: The present invention provides spinous process implants and associated methods. In one aspect of the invention, the implant includes at least one extension with a first part and a second part where at least one arm is coupled to each of the first part and the second part. The first part and the second part are movable from a compact to a distracted state. In another aspect, the present invention provides a second extension that is slidingly coupled to the first and second arms. The second extension further comprises a third part and a fourth part that move with the first and second part.
    Type: Grant
    Filed: January 4, 2013
    Date of Patent: April 14, 2015
    Assignee: Lanx, Inc.
    Inventors: Justin Taber, Patrick Hunt, Andrew Lamborne, Randall G. Mast, William Sandul, Dean Karahalios
  • Patent number: 8979852
    Abstract: The present disclosure provides a single insertion and compression instrument to facilitate the implantation of a spinous process implant, such as a spinous process fixation device, between and about adjacent spinous processes. The instrument has a first leg and a second leg, each with a handle and implant engaging portions. The implant engaging portions releasably couple to the spinous process implant and have compression pads to facilitate compression of fasteners on the plates into bone.
    Type: Grant
    Filed: January 31, 2014
    Date of Patent: March 17, 2015
    Assignee: Lanx, Inc.
    Inventors: Justin Taber, Randall Mast, William Sandul, Andrew Lamborne, Michael Funk
  • Publication number: 20140309695
    Abstract: The present invention provides spinous process implants and associated methods. In one aspect of the invention, the implant includes at least one extension with a first part and a second part where at least one arm is coupled to each of the first part and the second part. The first part and the second pan are movable from a compact to a distracted state. In another aspect, the present invention provides a second extension that is slidingly coupled to the first and second arms. The second extension further comprises a third part and a fourth part that move with the first and second part.
    Type: Application
    Filed: January 4, 2013
    Publication date: October 16, 2014
    Applicant: LANX, INC.
    Inventors: Justin Taber, Patrick Hunt, Andrew Lamborne, Randy Mast, William Sandul, Dean Karahalios
  • Publication number: 20140207198
    Abstract: The present disclosure provides a single insertion and compression instrument to facilitate the implantation of a spinous process implant, such as a spinous process fixation device, between and about adjacent spinous processes. The instrument has a first leg and a second leg, each with a handle and implant engaging portions. The implant engaging portions releasably couple to the spinous process implant and have compression pads to facilitate compression of fasteners on the plates into bone.
    Type: Application
    Filed: January 31, 2014
    Publication date: July 24, 2014
    Applicant: Lanx, Inc.
    Inventors: Justin Taber, Randall Mast, William Sandul, Andrew Lamborne, Michael Funk
  • Patent number: 8685065
    Abstract: The present disclosure provides a single insertion and compression instrument to facilitate the implantation of a spinous process implant, such as a spinous process fixation device, between and about adjacent spinous processes. The instrument has a first leg and a second leg, each with a handle and implant engaging portions. The implant engaging portions releasably couple to the spinous process implant and have compression pads to facilitate compression of fasteners on the plates into bone.
    Type: Grant
    Filed: April 20, 2012
    Date of Patent: April 1, 2014
    Assignee: Lanx, Inc.
    Inventors: Justin Taber, Randall Mast, William Sandul, Andrew Lamborne, Michael Funk