Patents by Inventor Randy David B. Grishaber

Randy David B. Grishaber 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: 20180125470
    Abstract: The present invention relates to devices for closing a passageway in a body, for example a patent foramen ovale (PFO) in a heart, and related methods of using such closure devices for closing the passageway. The method includes introducing a mechanical closure device into an atrium of the heart and transeptally deploying the closure device across the interatrial septum to provide proximation of the septum secundum and septum primum.
    Type: Application
    Filed: December 18, 2017
    Publication date: May 10, 2018
    Applicant: CORDIS CORPORATION
    Inventors: CHAO-CHIN CHEN, RANDY DAVID B. GRISHABER, GENE W. KAMMERER, ISAAC JOHN KHAN, JIN PARK
  • Patent number: 9861347
    Abstract: The present invention relates to devices for closing a passageway in a body, for example a patent foramen ovale (PFO) in a heart, and related methods of using such closure devices for closing the passageway. The method includes introducing a mechanical closure device into an atrium of the heart and transeptally deploying the closure device across the interatrial septum to provide proximation of the septum secundum and septum primum.
    Type: Grant
    Filed: March 29, 2012
    Date of Patent: January 9, 2018
    Assignee: CORDIS CORPORATION
    Inventors: Chao Chin-Chen, Randy David B. Grishaber, Gene W. Kammerer, Isaac John Khan, Jin Park
  • Patent number: 8945179
    Abstract: Described are method and device for closing a passageway in a body, for example a patent foramen ovale (PFO) in a heart, and related methods of using such closure devices for closing the passageway. The method includes locating a distal end of a closure device adjacent to the passageway. The closure device may include a closure line with proximal and distal ends, an expandable tissue anchor located along the distal end of the closure line, and an expandable occluder member located along the proximal end of the closure line. The expandable tissue anchor is deployed into tissue adjacent to the passageway. The expandable occluder member is deployed adjacent to the passageway such that the expandable occluder member substantially covers the second opening to the passageway.
    Type: Grant
    Filed: March 12, 2013
    Date of Patent: February 3, 2015
    Assignee: Cordis Corporation
    Inventors: Daniel Olsen, Randy David B. Grishaber, Chao-Chin Chen, Rudy Cedro, John O'Brien
  • Patent number: 8920489
    Abstract: The present invention relates to tissue-supporting medical devices and drug delivery systems, and more particularly to tubular flexible stents that are implanted within a body lumen of a living animal or human to support the organ, maintain patency and/or deliver drugs or agents. The tubular flexible stent has a cylindrical shape defining a longitudinal axis and includes a helical section having of a plurality of longitudinally oriented strut members and a plurality of circumferentially oriented hinge members connecting circumferentially adjacent strut members to form a band. The band is wrapped about the longitudinal axis in a substantially helical manner to form a plurality of helical windings. At least one connector member extends between adjacent windings.
    Type: Grant
    Filed: August 2, 2011
    Date of Patent: December 30, 2014
    Inventors: Brian P. Baillargeon, Ramesh Marrey, John Kenneth Ryder, Randy David B Grishaber, Ryan R. Donovan
  • Patent number: 8777984
    Abstract: A device and method for deploying a mechanical closure device for closing a passageway in a body, for example a patent foramen ovale (PFO) in a heart. The deployment device has a first tubular structure having proximal and distal ends. A second tubular structure is substantially coaxial to and slideably engaged within the first tubular structure. The second tubular structure has a first substantially linear shape when constrained within the first tubular structure, and a second curvilinear shape when telescopically extended from the distal end of the first tubular structure. A third tubular structure is substantially coaxial to and slideably engaged within the second tubular structure. The third tubular structure is configured to provide sufficient rigidity to push the mechanical closure device from the distal end of the second tubular structure, and provide sufficient flexibility to assume a curvilinear shape when deflected by the second tubular structure.
    Type: Grant
    Filed: March 12, 2013
    Date of Patent: July 15, 2014
    Assignee: Cordis Corporation
    Inventors: Chao-Chin Chen, Randy David B. Grishaber, Gene W. Kammerer, Isaac John Khan, Jin Park, Daniel Olsen
  • Publication number: 20130296924
    Abstract: A device and method for deploying a mechanical closure device for closing a passageway in a body, for example a patent foramen ovale (PFO) in a heart. The deployment device has a first tubular structure having proximal and distal ends. A second tubular structure is substantially coaxial to and slideably engaged within the first tubular structure. The second tubular structure has a first substantially linear shape when constrained within the first tubular structure, and a second curvilinear shape when telescopically extended from the distal end of the first tubular structure. A third tubular structure is substantially coaxial to and slideably engaged within the second tubular structure. The third tubular structure is configured to provide sufficient rigidity to push the mechanical closure device from the distal end of the second tubular structure, and provide sufficient flexibility to assume a curvilinear shape when deflected by the second tubular structure.
    Type: Application
    Filed: March 12, 2013
    Publication date: November 7, 2013
    Inventors: Chao-Chin CHEN, Randy David B. Grishaber, Gene W. Kammerer, Isaac John Khan, Jin Park, Daniel Olsen
  • Patent number: 8388572
    Abstract: This invention relates to devices for navigating passageways in a body, and in particular, to a steerable catheter that can be used to navigate the tortuous anatomy of a body's vasculature. In one embodiment of the invention the deflectable catheter comprises an inner catheter body having a first strut spine member and a cantilevered second strut tang member. An outer catheter body is cooperatively associated with the second strut tang member and an actuator is cooperatively associated with the first strut spine member. The actuator is slideably engaged within the outer catheter body.
    Type: Grant
    Filed: July 29, 2010
    Date of Patent: March 5, 2013
    Assignee: Cordis Corporation
    Inventors: Daniel Olsen, Randy David B. Grishaber, Cheo-Chin Chen, Rudy Cedro, Jin Park
  • Patent number: 8308759
    Abstract: A device and method for deploying a mechanical closure device for closing a passageway in a body, for example a patent foramen ovale (PFO) in a heart. The single disc mechanical closure device is comprise of a distal and proximal anchor constrained by a closure line to facilitate mechanical closure by bringing the distal and proximal anchors into close proximity along the closure line.
    Type: Grant
    Filed: September 30, 2010
    Date of Patent: November 13, 2012
    Inventors: Daniel Olsen, Randy David B. Grishaber, Chao-Chin Chen, Rudolph Cedro, John O'Brien
  • Publication number: 20120197292
    Abstract: The present invention relates to devices for closing a passageway in a body, for example a patent foramen ovale (PFO) in a heart, and related methods of using such closure devices for closing the passageway. The method includes introducing a mechanical closure device into an atrium of the heart and transeptally deploying the closure device across the interatrial septum to provide proximation of the septum secundum and septum primum.
    Type: Application
    Filed: March 29, 2012
    Publication date: August 2, 2012
    Applicant: CORDIS CORPORATION
    Inventors: Chao Chin-Chen, Randy David B. Grishaber, Gene W. Kammerer, Isaac John Khan, Jin Park
  • Publication number: 20120029623
    Abstract: The present invention relates to tissue-supporting medical devices and drug delivery systems, and more particularly to tubular flexible stents that are implanted within a body lumen of a living animal or human to support the organ, maintain patency and/or deliver drugs or agents. The tubular flexible stent has a cylindrical shape defining a longitudinal axis and includes a helical section having of a plurality of longitudinally oriented strut members and a plurality of circumferentially oriented hinge members connecting circumferentially adjacent strut members to form a band. The band is wrapped about the longitudinal axis in a substantially helical manner to form a plurality of helical windings. At least one connector member extends between adjacent windings.
    Type: Application
    Filed: August 2, 2011
    Publication date: February 2, 2012
    Inventors: BRIAN P. BAILLARGEON, Ramesh Marrey, John Kenneth Ryder, Randy David B. Grishaber, Ryan R. Donovan
  • Publication number: 20110022080
    Abstract: A device and method for deploying a mechanical closure device for closing a passageway in a body, for example a patent foramen ovale (PFO) in a heart. The single disc mechanical closure device is comprise of a distal and proximal anchor constrained by a closure line to facilitate mechanical closure by bringing the distal and proximal anchors into close proximity along the closure line.
    Type: Application
    Filed: September 30, 2010
    Publication date: January 27, 2011
    Inventors: Daniel Olsen, Randy David B. Grishaber, Chao-Chin Chen, Rudolph Cedro, John O'Brien
  • Publication number: 20100312178
    Abstract: This invention relates to devices for navigating passageways in a body, and in particular, to a steerable catheter that can be used to navigate the tortuous anatomy of a body's vasculature. In one embodiment of the invention the deflectable catheter comprises an inner catheter body having a first strut spine member and a cantilevered second strut tang member. An outer catheter body is cooperatively associated with the second strut tang member and an actuator is cooperatively associated with the first strut spine member. The actuator is slideably engaged within the outer catheter body.
    Type: Application
    Filed: July 29, 2010
    Publication date: December 9, 2010
    Inventors: Daniel Olsen, Randy David B. Grishaber, Cheo-Chin Chen, Rudy Cedro, Jin Park
  • Patent number: 7771388
    Abstract: This invention relates to devices for navigating passageways in a body, and in particular, to a steerable catheter that can be used to navigate the tortuous anatomy of a body's vasculature. In one embodiment of the invention the deflectable catheter comprises an inner catheter body having a first strut spine member and a cantilevered second strut tang member. An outer catheter body is cooperatively associated with the second strut tang member and an actuator is cooperatively associated with the first strut spine member. The actuator is slideably engaged within the outer catheter body.
    Type: Grant
    Filed: October 12, 2006
    Date of Patent: August 10, 2010
    Inventors: Daniel Olsen, Randy David B. Grishaber, Chao-Chin Chen, Rudy Cedro, Jin Park
  • Publication number: 20080215086
    Abstract: A device and method for deploying a mechanical closure device for closing a passageway in a body, for example a patent foramen ovale (PFO) in a heart. The single disc mechanical closure device is comprise of a distal and proximal anchor constrained by a closure line to facilitate mechanical closure by bringing the distal and proximal anchors into close proximity along the closure line.
    Type: Application
    Filed: October 1, 2007
    Publication date: September 4, 2008
    Inventors: Daniel Olsen, Randy David B. Grishaber, Chao-Chin Chen, Rudolph Cedro, John O'Brien