Patents by Inventor John A. Macoviak

John A. Macoviak 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: 20110319990
    Abstract: An implant for supplementing, repairing, or replacing a native heart valve leaflet or leaflets provides a scaffold, which defines a pseudo-annulus. The implant further has at least two struts in generally oppositely spaced apart positions on the scaffold. The scaffold can be placed in an elastically loaded condition in a heart with the struts engaging tissue at or near the leaflet commissures of a heart valve annulus, to reshape the annulus for leaflet coaptation. The implant further provides a neoleaflet element coupled to the scaffold within pseudo-annulus, to provide a one-way valve function.
    Type: Application
    Filed: September 8, 2011
    Publication date: December 29, 2011
    Applicant: MVRx, INC.
    Inventors: John A. Macoviak, Robert T. Chang, David A. Rahdert, Timothy R. Machold, Rick A. Soss
  • Publication number: 20110295059
    Abstract: Implants or systems of implants and methods apply a selected force vector or a selected combination of force vectors within or across the left atrium, which allow mitral valve leaflets to better coapt. The implants or systems of implants and methods make possible rapid deployment, facile endovascular delivery, and full intra-atrial adjustability and retrievability years after implant. The implants or systems of implants and methods also make use of strong fluoroscopic landmarks. The implants or systems of implants and methods make use of an adjustable implant and a fixed length implant. The implants or systems of implants and methods may also utilize an adjustable bridge stop to secure the implant, and the methods of implantation employ various tools.
    Type: Application
    Filed: August 15, 2011
    Publication date: December 1, 2011
    Applicant: MVRx, INC.
    Inventors: TIMOTHY R. MACHOLD, David J. Scott, David A. Rahdert, David Rainone Tholfsen, Robert T. Chang, John A. Macoviak
  • Patent number: 8016882
    Abstract: An implant for supplementing, repairing, or replacing a native heart valve leaflet or leaflets provides a scaffold, which defines a pseudo-annulus. The implant further has at least two struts in generally oppositely spaced apart positions on the scaffold. The scaffold can be placed in an elastically loaded condition in a heart with the struts engaging tissue at or near the leaflet commissures of a heart valve annulus, to reshape the annulus for leaflet coaptation. The implant further provides a neoleaflet element coupled to the scaffold within pseudo-annulus, to provide a one-way valve function.
    Type: Grant
    Filed: October 31, 2007
    Date of Patent: September 13, 2011
    Assignee: MVRx, Inc.
    Inventors: John A. Macoviak, Robert T. Chang, David A. Rahdert, Timothy R. Machold, Rick A. Soss
  • Publication number: 20110137411
    Abstract: A heart valve implant has a body sized and configured to rest near or within a heart valve annulus. A plurality of spaced-apart retainers extend outwardly from the body to contact tissue near or within the heart valve annulus. The retainers are sized and configured to secure the body to the heart valve annulus. The implant can be secured, e.g., without the use of sutures.
    Type: Application
    Filed: February 15, 2011
    Publication date: June 9, 2011
    Applicant: MVRx, INC.
    Inventor: JOHN A. Macoviak
  • Patent number: 7887583
    Abstract: A heart valve implant has a body sized and configured to rest near or within a heart valve annulus. A plurality of spaced-apart retainers extend outwardly from the body to contact tissue near or within the heart valve annulus. The retainers are sized and configured to secure the body to the heart valve annulus. The implant can be secured, e.g., without the use of sutures.
    Type: Grant
    Filed: April 12, 2005
    Date of Patent: February 15, 2011
    Assignee: MVRx, Inc.
    Inventor: John A. Macoviak
  • Publication number: 20110015730
    Abstract: Implants or systems of implants and methods apply a selected force vector or a selected combination of force vectors within or across the left atrium, which allow mitral valve leaflets to better coapt. The implants or systems of implants and methods make possible rapid deployment, facile endovascular delivery, and full intra-atrial retrievability. The implants or systems of implants and methods also make use of strong fluoroscopic landmarks. The implants or systems of implants and methods make use of an adjustable implant and a fixed length implant. The implants or systems of implants and methods may also utilize a bridge stop to secure the implant, and the methods of implantation employ various tools.
    Type: Application
    Filed: September 23, 2010
    Publication date: January 20, 2011
    Inventors: Timothy R. Machold, Robert T. Chang, John A. Macoviak, David A. Rahdert
  • Publication number: 20100161044
    Abstract: Implants or systems of implants and methods apply a selected force vector or a selected combination of force vectors within or across the left atrium, which allow mitral valve leaflets to better coapt. The implants or systems of implants and methods make possible rapid deployment, facile endovascular delivery, and full intra-atrial retrievability. The implants or systems of implants and methods also make use of strong fluoroscopic landmarks. The implants or systems of implants and methods make use of an adjustable implant and a fixed length implant. The implants or systems of implants and methods may also utilize a bridge stop to secure the implant, and the methods of implantation employ various tools.
    Type: Application
    Filed: February 17, 2010
    Publication date: June 24, 2010
    Inventors: Robert T. Chang, John A. Macoviak, David A. Rahdert, Timothy R. Machold
  • Patent number: 7691144
    Abstract: Implants or systems of implants and methods apply a selected force vector or a selected combination of force vectors within or across the left atrium, which allow mitral valve leaflets to better coapt. The implants or systems of implants and methods make possible rapid deployment, facile endovascular delivery, and full intra-atrial retrievability. The implants or systems of implants and methods also make use of strong fluoroscopic landmarks. The implants or systems of implants and methods make use of an adjustable implant and a fixed length implant. The implants or systems of implants and methods may also utilize a bridge stop to secure the implant, and the methods of implantation employ various tools.
    Type: Grant
    Filed: March 25, 2005
    Date of Patent: April 6, 2010
    Assignee: MVRx, Inc.
    Inventors: Robert T. Chang, John A. Macoviak, David A. Rahdert, Timothy R. Machold
  • Publication number: 20090326648
    Abstract: Implants or systems of implants and methods apply a selected force vector or a selected combination of force vectors within or across the left atrium, which allow mitral valve leaflets to better coapt. The implants or systems of implants and methods make possible rapid deployment, facile endovascular delivery, and full intra-atrial adjustability and retrievability years after implant. The implants or systems of implants and methods also make use of strong fluoroscopic landmarks. The implants or systems of implants and methods make use of an adjustable implant and a fixed length implant. The implants or systems of implants and methods may also utilize an adjustable bridge stop to secure the implant, and the methods of implantation employ various tools.
    Type: Application
    Filed: September 2, 2009
    Publication date: December 31, 2009
    Inventors: Timothy R. Machold, David J. Scott, David A. Rahdert, David Rainone Tholfsen, Robert T. Chang, John A. Macoviak
  • Publication number: 20090306622
    Abstract: Devices, systems, and methods employ an implant that is sized and configured to attach to the annulus of a dysfunctional heart valve annulus. In use, the implant extends across the major axis of the annulus above and/or along the valve annulus. The implant reshapes the major axis dimension and/or other surrounding anatomic structures. The implant restores to the heart valve annulus and leaflets a more functional anatomic shape and tension. The more functional anatomic shape and tension are conducive to coaptation of the leaflets during systole, which, in turn, reduces regurgitation. The implant improves function to the valve, without surgically cinching, resecting, and/or fixing in position large portions of a dilated annulus, or without the surgical fixation of ring-like structures.
    Type: Application
    Filed: August 12, 2009
    Publication date: December 10, 2009
    Inventors: Timothy R. Machold, David A. Rahdert, John A. Macoviak, Robert T. Chang, Rick A. Soss
  • Publication number: 20090287179
    Abstract: Implants or systems of implants and methods apply a selected force vector or a selected combination of force vectors within or across the left atrium, which allow mitral valve leaflets to better coapt. The implants or systems of implants and methods make possible rapid deployment, facile endovascular delivery, and full intra-atrial retrievability. The implants or systems of implants and methods also make use of strong fluoroscopic landmarks. The implants or systems of implants and methods make use of an adjustable implant and a fixed length implant. The implants or systems of implants and methods may also utilize a bridge stop to secure the implant, and the methods of implantation employ various tools.
    Type: Application
    Filed: July 22, 2009
    Publication date: November 19, 2009
    Inventors: Timothy R. Machold, Robert T. Chang, John A. Macoviak, David A. Rahdert
  • Publication number: 20090228099
    Abstract: Devices, systems and methods retain a native heart valve leaflet to prevent retrograde flow. The devices, systems, and methods employ an implant that, in use, rests adjacent a valve annulus and includes a retaining structure that is sized and shaped to overlay at least a portion of one or more native valve leaflets. The retaining structure retains the leaflet or leaflets it overlays, to resist leaflet eversion and/or prolapse. In this way, the implant prevents or reduces regurgitation. The implant does not interfere significantly with the opening of and blood flow through the leaflets during periods of antegrade flow.
    Type: Application
    Filed: April 23, 2009
    Publication date: September 10, 2009
    Inventors: David A. Rahdert, John A. Macoviak, Timothy R. Machold, Robert T. Chang, Rick A. Soss
  • Patent number: 7527646
    Abstract: Devices, systems and methods retain a native heart valve leaflet to prevent retrograde flow. The devices, systems, and methods employ an implant that, in use, rests adjacent a valve annulus and includes a retaining structure that is sized and shaped to overlay at least a portion of one or more native valve leaflets. The retaining structure retains the leaflet or leaflets it overlays, to resist leaflet eversion and/or prolapse. In this way, the implant prevents or reduces regurgitation. The implant does not interfere significantly with the opening of and blood flow through the leaflets during periods of antegrade flow.
    Type: Grant
    Filed: October 1, 2003
    Date of Patent: May 5, 2009
    Assignee: Ample Medical, Inc.
    Inventors: David A. Rahdert, John A. Macoviak, Timothy R. Machold, Robert T. Chang, Rick A. Soss
  • Publication number: 20090043381
    Abstract: Methods, devices and systems are disclosed to treat atrioventricular valve regurgitation accessed through the vasculature, and by standard and minimally invasive surgical techniques. Isolated leaflet fixation and annulus treatment systems are developed.
    Type: Application
    Filed: October 5, 2005
    Publication date: February 12, 2009
    Inventors: John A. Macoviak, Robert T. Chang, Alden Harken, Timothy R. Machold, David A. Rahdert
  • Publication number: 20080140188
    Abstract: Devices, systems, and methods employ a heart implant structure that is sized and configured to be positioned in a left atrium above the plane of a native mitral heart valve annulus to affect mitral heart valve function. The implant structure includes a portion sized and configured to engage a wall of the left atrium above the plane of the native mitral valve annulus and to extend across the left atrium along a minor axis of the annulus.
    Type: Application
    Filed: October 31, 2007
    Publication date: June 12, 2008
    Inventors: David A. Rahdert, Timothy R. Machold, John A. Macoviak, Robert T. Chang
  • Publication number: 20080140190
    Abstract: An implant is sized and configured to be positioned in a left atrium above the plane of a native mitral heart valve annulus having leaflets. The implant, when deployed, engages a wall of the left atrium above the plane of the native mitral valve annulus to interact with movement of the leaflets of the mitral heart valve to affect mitral heart valve function. The implant is deployed into the left atrium through an intravascular access path that extends from a right atrium through a septum and into a left atrium.
    Type: Application
    Filed: October 25, 2007
    Publication date: June 12, 2008
    Inventors: John A. Macoviak, Robert T. Chang, Timothy R. MacHold, David A. Rahdert, Rick A. Soss
  • Patent number: 7381220
    Abstract: Devices, systems and methods supplement, repair, or replace a native heart valve. The devices, systems, and methods employ an implant that, in use, extends adjacent a valve annulus. The implant includes a mobile neoleaflet element that occupies the space of at least a portion of one native valve leaflet. The implant mimics the one-way valve function of a native leaflet, to resist or prevent retrograde flow. The implant restores normal coaptation of the leaflets to resist retrograde flow, thereby resisting eversion and/or prolapse, which, in turn, reduces regurgitation.
    Type: Grant
    Filed: October 1, 2003
    Date of Patent: June 3, 2008
    Assignee: Ample Medical, Inc.
    Inventors: John A. Macoviak, Robert T. Chang, David A. Rahdert, Timothy R. Machold, Rick A. Soss
  • Publication number: 20080065204
    Abstract: An implant for supplementing, repairing, or replacing a native heart valve leaflet or leaflets provides a scaffold, which defines a pseudo-annulus. The implant further has at least two struts in generally oppositely spaced apart positions on the scaffold. The scaffold can be placed in an elastically loaded condition in a heart with the struts engaging tissue at or near the leaflet commissures of a heart valve annulus, to reshape the annulus for leaflet coaptation. The implant further provides a neoleaflet element coupled to the scaffold within pseudo-annulus, to provide a one-way valve function.
    Type: Application
    Filed: October 31, 2007
    Publication date: March 13, 2008
    Inventors: John Macoviak, Robert Chang, David Rahdert, Timothy Machold, Rick Soss
  • Patent number: 7291168
    Abstract: The present invention is a group of medical devices designed to improve heart valve function. The medical devices may be used individually, or in combination to supplement damaged valves, replace damaged valves, or improve damaged valves function. The medical devices include leaflet retainers, a neo-annulus, neo-leaflet, and a framework. In addition, the present invention is novel methods for surgically treating heart valves.
    Type: Grant
    Filed: October 28, 2003
    Date of Patent: November 6, 2007
    Assignee: Ample Medical, Inc.
    Inventors: John A. Macoviak, Robert T. Chang, Timothy R. Machold, David A. Rahdert, Rick A. Soss
  • Publication number: 20060252984
    Abstract: Implants or systems of implants and methods apply a selected force vector or a selected combination of force vectors within or across the left atrium, which allow mitral valve leaflets to better coapt. The implants or systems of implants and methods make possible rapid deployment, facile endovascular delivery, and full intra-atrial retrievability. The implants or systems of implants and methods also make use of strong fluoroscopic landmarks. The implants or systems of implants and methods make use of an adjustable implant and a fixed length implant. The implants or systems of implants and methods may also utilize a bridge stop to secure the implant, and the methods of implantation employ various tools.
    Type: Application
    Filed: March 27, 2006
    Publication date: November 9, 2006
    Inventors: David Rahdert, Timothy Machold, Robert Chang, John Macoviak