Patents by Inventor John Mrachek

John Mrachek 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).

  • Cannula system and method
    Patent number: 8257323
    Abstract: Embodiments of the invention provide a cannula having a body with a first outer diameter, a proximal end, a distal end, a lumen extending between the proximal and distal ends, and a portion outward of the first outer diameter having a second outer diameter greater than the first outer diameter that is adapted to space tissue from the fluid inlet to maintain fluid flow. Such a cannula is particularly useful for cardiopulmonary bypass procedures using a kinetically assisted venous drainage system.
    Type: Grant
    Filed: August 3, 2005
    Date of Patent: September 4, 2012
    Assignee: Medtronic, Inc.
    Inventors: Katherine Rose Joseph, David B. DeWindt, Rebecca L. Engel, Donald R. Sandmore, David E. Weston, John Mrachek
  • Cannula system and method
    Publication number: 20070038170
    Abstract: Embodiments of the invention provide a cannula having a body with a first outer diameter, a proximal end, a distal end, a lumen extending between the proximal and distal ends, and a portion outward of the first outer diameter having a second outer diameter greater than the first outer diameter that is adapted to space tissue from the fluid inlet to maintain fluid flow. Such a cannula is particularly useful for cardiopulmonary bypass procedures using a kinetically assisted venous drainage system.
    Type: Application
    Filed: August 3, 2005
    Publication date: February 15, 2007
    Inventors: Katherine Joseph, David DeWindt, Rebecca Engel, Donald Sandmore, David Weston, John Mrachek