Percutaneous heart pump

• US 9,962,475 B2
• Filed: 09/18/2015
• Issued: 05/08/2018
• Est. Priority Date: 01/06/2011
• Status: Active Grant

• Current Assignee: TC1 LLC (Abbott Laboratories Incorporated), Penn State Research Foundation, Thoratec LLC
• Original Assignee: TC1 LLC (Abbott Laboratories Incorporated), Penn State Research Foundation
• Inventors: Campbell, Robert L., Koncoski, Jeremy J., Mallison, Thomas M., McBride, Mark W., Metrey, Daniel, Myer, Eric C., Powell, Kevin J., Roslund, Adam, Walters, Daniel A., Repka, William James, Yuen, Phyllis
• Primary Examiner(s): Flory, Christopher A
• Application Number:
  US14/858,354
• Publication Number:
  US 20160082167A1
• Time in Patent Office: 963 Days
• Field of Search: 600 16, 600122, 604151
• CPC Class Codes: A61M 60/13 by means of a catheter allowing explantation, e.g. catheter pumps temporarily introduced via the vascular system
• CPC Class Codes: A61M 60/148 in line with a blood vessel using resection or like techniques, e.g. permanent endovascular heart assist devices
• CPC Class Codes: A61M 60/17 inside a ventricle, e.g. intraventricular balloon pumps
• CPC Class Codes: A61M 60/237 the blood flow through the rotating member having mainly axial components, e.g. axial flow pumps
• CPC Class Codes: A61M 60/414 transmitted by a rotating cable, e.g. for blood pumps mounted on a catheter
• CPC Class Codes: A61M 60/508 Electronic control means, e.g. for feedback regulation
• CPC Class Codes: A61M 60/808 specially adapted for deformable impellers, e.g. expandable impellers
• CPC Class Codes: A61M 60/814 Volutes
• CPC Class Codes: A61M 60/824 Hydrodynamic or fluid film bearings
• CPC Class Codes: A61M 60/896 having flexible or resilient parts, e.g. flap valves

Abstract

Disclosed herein are heart pumps that can include a catheter body and an impeller coupled with a distal end of the catheter body. The impeller can include a tip that is resealable or that includes a resealable member. The heart pump can also include a diffuser disposed between the distal end of the catheter body and the impeller, wherein the diffuser includes a flow directing surface.

Claims