Patents by Inventor Anne Drzyzga

Anne Drzyzga 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).

  • Surgical access devices and methods of minimally invasive surgery
    Patent number: 8550995
    Abstract: A surgical access device includes a proximal frame of fixed construction and a plurality of tissue engaging blades connected to the frame. The plurality of tissue engaging blades may include a first blade that is rotatable, independent of other blades, about an axis that is oriented approximately parallel to a plane defined by the proximal frame.
    Type: Grant
    Filed: June 17, 2011
    Date of Patent: October 8, 2013
    Assignee: DePuy Synthes Products, LLC
    Inventors: William Frasier, Anne Drzyzga, Connie Marchek, Sara Dziedzic, Holly Brideau, Thomas J Runco, Nicholas Pavento
  • Surgical Access Devices and Methods of Minimally Invasive Surgery
    Publication number: 20110245621
    Abstract: A surgical access device includes a proximal frame of fixed construction and a plurality of tissue engaging blades connected to the frame. The plurality of tissue engaging blades may include a first blade that is rotatable, independent of other blades, about an axis that is oriented approximately parallel to a plane defined by the proximal frame.
    Type: Application
    Filed: June 17, 2011
    Publication date: October 6, 2011
    Inventors: William Frasier, Anne Drzyzga, Connie Marchek, Sara Dziedzic, Holly Brideau, Thomas J Runco, Nicholas Pavento
  • Surgical access devices and methods of minimally invasive surgery
    Patent number: 7981031
    Abstract: A surgical access device includes a proximal frame of fixed construction and a plurality of tissue engaging blades connected to the frame. The plurality of tissue engaging blades may include a first blade that is rotatable, independent of other blades, about an axis that is oriented approximately parallel to a plane defined by the proximal frame.
    Type: Grant
    Filed: January 4, 2006
    Date of Patent: July 19, 2011
    Assignee: Depuy Spine, Inc.
    Inventors: William Frasier, Anne Drzyzga, Connie Marchek, Sara Dziedzic, Holly Brideau, Thomas Runco, Nicholas Pavento
  • Surgical retractor for use with minimally invasive spinal stabilization systems and methods of minimally invasive surgery
    Patent number: 7918792
    Abstract: A surgical retractor for use with a spinal stabilization system including a plurality of bone anchors and a plurality of anchor extensions. The surgical retractor includes a frame positionable between a first anchor extension connected to a first bone anchor implanted in a first vertebra and a second anchor extension connected to a second bone anchor implanted in a second vertebra and a first retractor blade connectable to the frame for retracting tissue between the first anchor extension and the second anchor extension.
    Type: Grant
    Filed: January 4, 2006
    Date of Patent: April 5, 2011
    Assignee: DePuy Spine, Inc.
    Inventors: Anne Drzyzga, William Frasier, Michael Zajack, Michael DeFusco, Connie Marchek, Nicholas Pavento, Ginger Boyer, Sara Dziedzic
  • Instruments and Methods For Smoothing A Portion of A Spinal Rod
    Publication number: 20080103500
    Abstract: An instrument for smoothing an end of a spinal rod includes a housing having an opening sized and shaped to receive a spinal rod and a smoothing surface positioned within the housing and in communication with the opening. The smoothing surface has one or more structures configured to engage a portion of the spinal rod and, upon relative rotation of the spinal rod to the smoothing surface, to smooth the portion of the spinal rod by removing material from the spinal rod.
    Type: Application
    Filed: February 1, 2007
    Publication date: May 1, 2008
    Inventors: Nam Chao, Anne Drzyzga, Nicholas Pavento, Peter Newton
  • Surgical retractor for use with minimally invasive spinal stabilization systems and methods of minimally invasive surgery
    Publication number: 20080021285
    Abstract: A surgical retractor for use with a spinal stabilization system including a plurality of bone anchors and a plurality of anchor extensions. The surgical retractor includes a frame positionable between a first anchor extension connected to a first bone anchor implanted in a first vertebra and a second anchor extension connected to a second bone anchor implanted in a second vertebra and a first retractor blade connectable to the frame for retracting tissue between the first anchor extension and the second anchor extension.
    Type: Application
    Filed: January 4, 2006
    Publication date: January 24, 2008
    Inventors: Anne Drzyzga, William Frasier, Michael Zajack, Michael DeFusco, Connie Marchek, Nicholas Pavento, Ginger Boyer, Sara Dziedzic
  • Surgical retractors and methods of minimally invasive surgery
    Publication number: 20070208228
    Abstract: A retractor includes a frame having a linear side having a first end and a second end and a curvate side connected at a first end to the first end of the linear side and at a second end to the second end of the linear side, a first retractor blade connected to the linear side of the frame, and a second retractor blade connected to the curvate side of the frame.
    Type: Application
    Filed: March 1, 2006
    Publication date: September 6, 2007
    Inventors: Nicholas Pavento, Anne Drzyzga, Connie Marchek, William Frasier
  • Surgical retractors and methods of minimally invasive surgery
    Publication number: 20070156025
    Abstract: A surgical retractor includes a plurality of blade assemblies interconnected by a plurality of racks. One or more of the blade assemblies is movable along a rack to selectively expand the retractor. At least one of the blade assemblies includes a blade that is rotatably connected to the blade assembly and that is rotatable independent of other blades of the retractor.
    Type: Application
    Filed: January 4, 2006
    Publication date: July 5, 2007
    Inventors: Connie Marchek, William Frasier, Anne Drzyzga, Sara Dziedzic, Holly Brideau, Thomas Runco, Nicholas Pavento
  • Surgical access devices and methods of minimally invasive surgery
    Publication number: 20070156026
    Abstract: A surgical access device includes a proximal frame of fixed construction and a plurality of tissue engaging blades connected to the frame. The plurality of tissue engaging blades may include a first blade that is rotatable, independent of other blades, about an axis that is oriented approximately parallel to a plane defined by the proximal frame.
    Type: Application
    Filed: January 4, 2006
    Publication date: July 5, 2007
    Inventors: William Frasier, Anne Drzyzga, Connie Marchek, Sara Dziedzic, Holly Brideau, Thomas Runco, Nicholas Pavento