Patents by Inventor David Rizik

David Rizik 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: 11944765
    Abstract: A transseptal puncture system that includes a needle member that includes a distal end, a proximal end and defines a first lumen therethrough, a dilator that includes a distal end, a proximal end and defines a second lumen therethrough, a sheath that includes a distal end, a proximal end and defines a third lumen therethrough, a needle control device that is configured to move the needle member a predetermined distance from a stowed position to a deployed position and a guidewire that includes a distal end and a proximal end and is movable within the first lumen. The needle member is movable within the second lumen and the distal end of the needle member is configured to puncture the septum. The dilator is movable within the third lumen.
    Type: Grant
    Filed: November 23, 2020
    Date of Patent: April 2, 2024
    Assignee: BEDROSIAN GLOBAL, LLC
    Inventors: David Rizik, Bert Bedrosian, Erik Sorensen, Andrew Senn
  • Publication number: 20230149038
    Abstract: A cutting system for use prior to valve replacement that includes a cutting assembly and a sheath. The cutting assembly includes an expansion member that is movable between a stowed position and an expanded position, and at least a first cutting member associated with the expansion member. The first cutting member is configured to incise a first leaflet. The sheath defines a lumen therethrough and the cutting assembly is movable within the lumen.
    Type: Application
    Filed: November 17, 2022
    Publication date: May 18, 2023
    Inventors: David Rizik, Bert Bedrosian
  • Publication number: 20210154435
    Abstract: A transseptal puncture system that includes a needle member that includes a distal end, a proximal end and defines a first lumen therethrough, a dilator that includes a distal end, a proximal end and defines a second lumen therethrough, a sheath that includes a distal end, a proximal end and defines a third lumen therethrough, a needle control device that is configured to move the needle member a predetermined distance from a stowed position to a deployed position and a guidewire that includes a distal end and a proximal end and is movable within the first lumen. The needle member is movable within the second lumen and the distal end of the needle member is configured to puncture the septum. The dilator is movable within the third lumen.
    Type: Application
    Filed: November 23, 2020
    Publication date: May 27, 2021
    Inventors: David Rizik, Bert Bedrosian, Erik Sorensen, Andrew Senn
  • Publication number: 20210145561
    Abstract: A catheter assembly that includes a catheter, a heart valve procedure device positioned at a distal end of the catheter, and an embolic protection device positioned on the catheter proximal of the heart valve procedure device. The embolic protection device is movable between a stowed position and a deployed position.
    Type: Application
    Filed: November 20, 2020
    Publication date: May 20, 2021
    Inventors: David Rizik, Bert Bedrosian
  • Publication number: 20190175336
    Abstract: The present invention is a method of practicing transcatheter valve replacement (TAVR) employing an expandable hollow mesh-like catheter which may be inserted through an aorta to the proximity of a diseased or degenerated aortic valve in a retracted form and then expanded to compress the valve to open it up. Subsequently a new valve will be placed on the collapsed mesh, will be fed through the aorta, and the mesh will be expanded to push the leaflets of the old valve aside. The mesh does not block blood flow, eliminating the need to instigate a rapid heartbeat as required in the prior art procedure employing a balloon rather than the mesh.
    Type: Application
    Filed: October 31, 2018
    Publication date: June 13, 2019
    Inventors: David Rizik, Bert S. Bedrosian
  • Publication number: 20170007397
    Abstract: The present invention is a method of practicing transcatheter valve replacement (TAVR) employing an expandable hollow mesh-like catheter which may be inserted through an aorta to the proximity of a diseased or degenerated aortic valve in a retracted form and then expanded to compress the valve to open it up. Subsequently a new valve will be placed on the collapsed mesh, will be fed through the aorta, and the mesh will be expanded to push the leaflets of the old valve aside. The mesh does not block blood flow, eliminating the need to instigate a rapid heartbeat as required in the prior art procedure employing a balloon rather than the mesh.
    Type: Application
    Filed: July 5, 2016
    Publication date: January 12, 2017
    Inventors: David Rizik, Bert S. Bedrosian