Patents Assigned to NuCardia, Inc.
  • Medical device
    Patent number: 9028392
    Abstract: A temporary cardiac-assist device is disclosed. The device includes a pump assembly that is deployed in the ascending aorta or the heart. A torque transmission line couples the pump assembly to an external motor for driving impeller blades within the pump assembly. The pump assembly expands in size at its destination site for operation. In operation, neither the torque transmission line nor elements that support the impeller blades are under axial forces.
    Type: Grant
    Filed: December 1, 2006
    Date of Patent: May 12, 2015
    Assignee: NuCardia, Inc.
    Inventor: J. Michael Shifflette
  • Apparatus comprising a drive cable for a medical device (II)
    Patent number: 8388565
    Abstract: An article comprising a drive cable suitable for high-speed operation in an anatomy having small-radii bends is disclosed. The drive cables disclosed herein include one or more physical adaptations that enable them to be “tuned” to avoid large amplitude vibrations during operation.
    Type: Grant
    Filed: October 22, 2010
    Date of Patent: March 5, 2013
    Assignee: NuCardia, Inc.
    Inventor: J. Michael Shifflette
  • Article comprising an impeller II
    Patent number: 8371997
    Abstract: An impeller for use in conjunction with a percutaneously-insertable blood pump or other rotatable equipment includes a blade that is segmented into a plurality of overlapping or abutting bladelets. In some embodiments, the bladelets are foldable and one side of each bladelet is concave.
    Type: Grant
    Filed: October 27, 2011
    Date of Patent: February 12, 2013
    Assignee: NuCardia, Inc.
    Inventor: J. Michael Shifflette
  • Article Comprising an Impeller II
    Publication number: 20120039713
    Abstract: An impeller for use in conjunction with a percutaneously-insertable blood pump or other rotatable equipment includes a blade that is segmented into a plurality of overlapping or abutting bladelets. In some embodiments, the bladelets are foldable and one side of each bladelet is concave.
    Type: Application
    Filed: October 27, 2011
    Publication date: February 16, 2012
    Applicant: NUCARDIA, INC.
    Inventor: J. Michael Shifflette
  • Article comprising an impeller
    Patent number: 8079948
    Abstract: An impeller for use in conjunction with a percutaneously-insertable blood pump or other rotatable equipment includes a blade that is segmented into a plurality of overlapping or abutting bladelets. In some embodiments, the bladelets are foldable and one side of each bladelet is concave.
    Type: Grant
    Filed: August 29, 2008
    Date of Patent: December 20, 2011
    Assignee: NuCardia, Inc.
    Inventor: J. Michael Shifflette