Patents by Inventor Mark A. Heldreth

Mark A. Heldreth 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: 20140303740
    Abstract: An orthopaedic knee prosthesis includes a femoral component having a condyle surface. The condyle surface is defined by one or more radii of curvatures, which are controlled to reduce or delay the onset of anterior translation of the femoral component relative to a tibial bearing.
    Type: Application
    Filed: June 19, 2014
    Publication date: October 9, 2014
    Inventors: Mark A. Heldreth, David D. Auger, Joseph G. Wyss, Danny W. Rumple, JR., Christel M. Wagner, Dimitri Sokolov, Jordan S. Lee, John L. Williams, Said T. Gomaa, John M. Armacost
  • Patent number: 8795380
    Abstract: An orthopaedic knee prosthesis includes a femoral component having a condyle surface. The condyle surface is defined by one or more radii of curvatures, which are controlled to reduce or delay the onset of anterior translation of the femoral component relative to a tibial bearing.
    Type: Grant
    Filed: July 2, 2012
    Date of Patent: August 5, 2014
    Assignee: DePuy (Ireland)
    Inventors: Mark A. Heldreth, Daniel D. Auger, Joseph G. Wyss, Daniel W. Rumple, Christel M. Wagner, Dimitri Sokolov, Jordan S. Lee, John L. Williams, Said T. Gomaa, John M. Armacost
  • Publication number: 20140142713
    Abstract: An implantable orthopaedic knee prosthesis includes a femoral component including an articular surface configured to engage a tibial bearing and a laterally-angled trochlear groove defined in the articular surface. The trochlear groove of the femoral component is configured to receive a patella component in a first location at a first degree of flexion and a second location at a second degree of flexion. The second degree of flexion is greater than the first degree of flexion. An arced imaginary line defines a central section of the trochlear groove. When the femoral component is viewed in a first coronal plane extending through the first location, the arced imaginary line has a first radius of curvature. When the femoral component is viewed in a second coronal plane extending through the second location, the arced imaginary line has a second radius of curvature that is less than the first radius of curvature.
    Type: Application
    Filed: November 21, 2012
    Publication date: May 22, 2014
    Inventors: Abraham P. Wright, Joseph G. Wyss, Christel M. Wagner, Mark A. Heldreth, Danny W. Rumple, JR.
  • Publication number: 20140142714
    Abstract: An orthopaedic knee prosthesis assembly includes a plurality of femoral components. Each component includes a medial condyle and a lateral condyle. When each component is viewed in a coronal plane extending through a distal-most point of the medial condyle and a distal-most point of the lateral condyle, the medial condyle has a medial curved distal-most surface that includes the distal-most point, and a width is defined between the distal-most points of the medial condyle and the lateral condyle. The coronal radius of the distal-most surface of a first component is proportionally greater than the coronal radius of a second component. The coronal radius of the second component is proportionally greater than the coronal radius of a third component. The first component width is proportionally greater than the second component width, and the second component is proportionally greater than the width of the third component.
    Type: Application
    Filed: November 21, 2012
    Publication date: May 22, 2014
    Inventors: Abraham P. Wright, Joseph G. Wyss, Christel M. Wagner, Mark A. Heldreth, Danny W. Rumple, Jr.
  • Publication number: 20130184829
    Abstract: A fixed-bearing prosthesis includes a femoral component having a medial condyle surface and a lateral condyle surface. The knee prosthesis also includes a bearing having a medial bearing surface configured to articulate with the medial condyle surface of the femoral component, and a lateral bearing surface configured to articulate with the lateral condyle surface of the femoral component. A tibial tray is secured to the bearing. The tibial tray has a platform with an elongated stem extending downwardly from a lower surface thereof. A posterior buttress extends along a posterior section of the perimeter of the tray's platform, and an anterior buttress extends along an anterior section of the perimeter of the tray's platform. Differently-sized tibial trays are interchangeable with differently-sized bearings.
    Type: Application
    Filed: March 7, 2013
    Publication date: July 18, 2013
    Inventors: Joseph G. Wyss, Stephen A. Hazebrouck, Daren L. Deffenbaugh, Mark A. Heldreth
  • Publication number: 20130184830
    Abstract: A fixed-bearing prosthesis includes a femoral component having a medial condyle surface and a lateral condyle surface. The knee prosthesis also includes a bearing having a medial bearing surface configured to articulate with the medial condyle surface of the femoral component, and a lateral bearing surface configured to articulate with the lateral condyle surface of the femoral component. A tibial tray is secured to the bearing. The tibial tray has a platform with an elongated stem extending downwardly from a lower surface thereof. A posterior buttress extends along a posterior section of the perimeter of the tray's platform, and an anterior buttress extends along an anterior section of the perimeter of the tray's platform. Differently-sized tibial trays are interchangeable with differently-sized bearings.
    Type: Application
    Filed: March 7, 2013
    Publication date: July 18, 2013
    Inventors: Stephen A. Hazebrouck, Daren L. Deffenbaugh, Mark A. Heldreth, Jack T. Bryant, Rusty T. Meier
  • Publication number: 20130079885
    Abstract: A fixed-bearing prosthesis includes a femoral component having a medial condyle surface and a lateral condyle surface. The knee prosthesis also includes a bearing having a medial bearing surface configured to articulate with the medial condyle surface of the femoral component, and a lateral bearing surface configured to articulate with the lateral condyle surface of the femoral component. A tibial tray is secured to the bearing. The tibial tray has a platform with an elongated stem extending downwardly from a lower surface thereof. A posterior buttress extends along a posterior section of the perimeter of the tray's platform, and an anterior buttress extends along an anterior section of the perimeter of the tray's platform. Differently-sized tibial trays are interchangeable with differently-sized bearings.
    Type: Application
    Filed: September 28, 2011
    Publication date: March 28, 2013
    Inventors: Rusty T. Meier, Daren L. Deffenbaugh, Mark A. Heldreth, Stephen A. Hazebrouck
  • Patent number: 8357115
    Abstract: The present disclosure is directed to a cleansing solution and system for administering the cleansing solution to decontaminate a wound surface. A method and kit for decontaminating a wound surface is also provided.
    Type: Grant
    Filed: April 18, 2011
    Date of Patent: January 22, 2013
    Assignee: DePuy Products, Inc.
    Inventors: Edward F. Arscott, II, Irina Ganopolsky, George L. Grobe, Mark A. Heldreth, Joseph J. LiBrizzi, Hugo A. Pedrozo
  • Publication number: 20120271428
    Abstract: An orthopaedic knee prosthesis includes a femoral component having a condyle surface. The condyle surface is defined by one or more radii of curvatures, which are controlled to reduce or delay the onset of anterior translation of the femoral component relative to a tibial bearing.
    Type: Application
    Filed: July 2, 2012
    Publication date: October 25, 2012
    Inventors: Mark A. Heldreth, Daniel Auger, Joseph G. Wyss, Danny W. Rumple, JR., Christel M. Wagner, Dimitri Sokolov, Jordan S. Lee, John L. Williams, Said T. Gomaa, John M. Armacost
  • Patent number: 8236061
    Abstract: An orthopaedic knee prosthesis includes a femoral component having a condyle surface. The condyle surface is defined by one or more radii of curvatures, which are controlled to reduce or delay the onset of anterior translation of the femoral component relative to a tibial bearing.
    Type: Grant
    Filed: June 19, 2009
    Date of Patent: August 7, 2012
    Assignee: DePuy Products, Inc.
    Inventors: Mark A. Heldreth, Daniel Auger, Joseph G. Wyss, Danny W. Rumple, Jr., Christel M. Wagner, Dimitri Sokolov, Jordan S. Lee, John L. Williams, Said T. Gomaa, John M. Armacost
  • Patent number: 8128703
    Abstract: A fixed-bearing prosthesis includes a femoral component having a medial condyle surface and a lateral condyle surface. The knee prosthesis also includes a bearing having a medial bearing surface configured to articulate with the medial condyle surface of the femoral component, and a lateral bearing surface configured to articulate with the lateral condyle surface of the femoral component. A tibial tray is secured to the bearing. The tibial tray has a platform with an elongated stem extending downwardly from a lower surface thereof. A posterior buttress extends along a posterior section of the perimeter of the tray's platform, and an anterior buttress extends along an anterior section of the perimeter of the tray's platform. Differently-sized tibial trays are interchangeable with differently-sized bearings.
    Type: Grant
    Filed: November 17, 2009
    Date of Patent: March 6, 2012
    Assignee: DePuy Products, Inc.
    Inventors: Stephen A. Hazebrouck, Daren L. Deffenbaugh, Mark A. Heldreth, Jack T. Bryant, Rusty T. Meier
  • Publication number: 20110196319
    Abstract: The present disclosure is directed to a cleansing solution and system for administering the cleansing solution to decontaminate a wound surface. A method and kit for decontaminating a wound surface is also provided.
    Type: Application
    Filed: April 18, 2011
    Publication date: August 11, 2011
    Inventors: Edward F. Arscott, II, Irina Ganopolsky, George L. Grobe, III, Mark A. Heldreth, Joseph J. LiBrizzi, Hugo A. Pedrozo
  • Patent number: 7947010
    Abstract: The present disclosure is directed to a cleansing solution and system for administering the cleansing solution to decontaminate a wound surface. A method and kit for decontaminating a wound surface is also provided.
    Type: Grant
    Filed: July 5, 2006
    Date of Patent: May 24, 2011
    Assignee: DePuy Products, Inc.
    Inventors: Edward F. Arscott, II, Mark A. Heldreth
  • Publication number: 20100063594
    Abstract: A fixed-bearing prosthesis includes a femoral component having a medial condyle surface and a lateral condyle surface. The knee prosthesis also includes a bearing having a medial bearing surface configured to articulate with the medial condyle surface of the femoral component, and a lateral bearing surface configured to articulate with the lateral condyle surface of the femoral component. A tibial tray is secured to the bearing. The tibial tray has a platform with an elongated stem extending downwardly from a lower surface thereof. A posterior buttress extends along a posterior section of the perimeter of the tray's platform, and an anterior buttress extends along an anterior section of the perimeter of the tray's platform. Differently-sized tibial trays are interchangeable with differently-sized bearings.
    Type: Application
    Filed: November 17, 2009
    Publication date: March 11, 2010
    Inventors: Stephen A. Hazebrouck, Daren L. Deffenbaugh, Mark A. Heldreth, Jack T. Bryant, Rusty T. Meier
  • Publication number: 20100036500
    Abstract: An orthopaedic knee prosthesis includes a femoral component having a condyle surface. The condyle surface is defined by one or more radii of curvatures, which are controlled to reduce or delay the onset of anterior translation of the femoral component relative to a tibial bearing.
    Type: Application
    Filed: June 19, 2009
    Publication date: February 11, 2010
    Inventors: Mark A. Heldreth, Daniel Auger, Joseph G. Wyss, Danny W. Rumple, JR., Christel M. Wagner, Dimitri Sokolov, Jordan S. Lee, John L. Williams, Said T. Gomaa, John M. Armacost
  • Patent number: 7632283
    Abstract: A modified system for assessing tension intraoperatively during joint arthroplasty includes a discrete sensor array, protector and trial. The protector is mechanically connected to the joint trial and covers the sensor array to protect it from wear. The sensor array can be positively located to prevent it from moving during use. In assembly of the modified system, the sensor array and protector are sterilized as discrete elements. After sterilization, the protector is removably attached to one of the trials with the sensor array substantially covered by the protector to protect the sensor from wear.
    Type: Grant
    Filed: September 22, 2003
    Date of Patent: December 15, 2009
    Assignee: Depuy Products, Inc.
    Inventor: Mark A. Heldreth
  • Patent number: 7628818
    Abstract: A fixed-bearing prosthesis includes a femoral component having a medial condyle surface and a lateral condyle surface. The knee prosthesis also includes a bearing having a medial bearing surface configured to articulate with the medial condyle surface of the femoral component, and a lateral bearing surface configured to articulate with the lateral condyle surface of the femoral component. A tibial tray is secured to the bearing. The tibial tray has a platform with an elongated stem extending downwardly from a lower surface thereof. A posterior buttress extends along a posterior section of the perimeter of the tray's platform, and an anterior buttress extends along an anterior section of the perimeter of the tray's platform. Differently-sized tibial trays are interchangeable with differently-sized bearings.
    Type: Grant
    Filed: September 28, 2007
    Date of Patent: December 8, 2009
    Assignee: DePuy Products, Inc.
    Inventors: Stephen A. Hazebrouck, Daren L. Deffenbaugh, Mark A. Heldreth, Jack T. Bryant, Rusty T. Meier
  • Publication number: 20090088859
    Abstract: A fixed-bearing prosthesis includes a femoral component having a medial condyle surface and a lateral condyle surface. The knee prosthesis also includes a bearing having a medial bearing surface configured to articulate with the medial condyle surface of the femoral component, and a lateral bearing surface configured to articulate with the lateral condyle surface of the femoral component. A tibial tray is secured to the bearing. The tibial tray has a platform with an elongated stem extending downwardly from a lower surface thereof. A posterior buttress extends along a posterior section of the perimeter of the tray's platform, and an anterior buttress extends along an anterior section of the perimeter of the tray's platform. Differently-sized tibial trays are interchangeable with differently-sized bearings.
    Type: Application
    Filed: September 28, 2007
    Publication date: April 2, 2009
    Inventors: Stephen A. Hazebrouck, Daren L. Deffenbaugh, Mark A. Heldreth, Jack T. Bryant, Rusty T. Meier
  • Patent number: 6942670
    Abstract: A tibial trial assembly for evaluating the stability and kinematics of a tibial implant, particularly a mobile bearing implant, prior to committing to the final preparation of the proximal tibia is described. The tibial trail assembly includes a tray trial adapted to be secured onto a resected proximal end of a patient's tibia. An evaluation bullet is either adapted to removably fit into a configured recess in the trial tray, or is integral therewith. A trunnion on the evaluation bullet accepts a recess in a corresponding articular tibial insert trial. The tibial insert trial is thus received on the trunnion. Preferably, the evaluation bullet is removable from the trial tray such that the remaining assembly is used to locate and guide (orient) the instrument(s) that prepare the tibia for the final implant. Typically, this includes broaching, drilling, or punching through the opening in the trial tray/plate.
    Type: Grant
    Filed: December 14, 2001
    Date of Patent: September 13, 2005
    Assignee: DePuy Orthopaedics, Inc.
    Inventors: Mark A. Heldreth, Deborah S. German
  • Publication number: 20040064073
    Abstract: A modified system for assessing tension intraoperatively during joint arthroplasty includes a discrete sensor array, protector and trial. The protector is mechanically connected to the joint trial and covers the sensor array to protect it from wear. The sensor array can be positively located to prevent it from moving during use. In assembly of the modified system, the sensor array and protector are sterilized as discrete elements. After sterilization, the protector is removably attached to one of the trials with the sensor array substantially covered by the protector to protect the sensor from wear.
    Type: Application
    Filed: September 22, 2003
    Publication date: April 1, 2004
    Inventor: Mark A. Heldreth