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Low profile delivery system for transcatheter heart valve

  • US 10,441,419 B2
  • Filed: 11/20/2018
  • Issued: 10/15/2019
  • Est. Priority Date: 05/09/2008
  • Status: Active Grant
First Claim
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1. A method of delivery a prosthetic heart valve comprising:

  • inserting a delivery apparatus and a prosthetic heart valve into a patient'"'"'s vasculature, wherein the delivery apparatus comprises a steerable guide catheter, a balloon catheter, and a flex indicator, wherein the balloon catheter extends coaxially through the guide catheter, wherein the prosthetic heart valve is mounted on a distal end portion of the balloon catheter, and wherein the flex indicator is movably coupled to a handle of the guide catheter;

    adjusting flexion of a steerable section of the guide catheter to position the prosthetic heart valve relative to the patient'"'"'s native aortic valve, wherein adjusting the flexion includes rotating a knob relative to the handle of the guide catheter, wherein the flex indicator moves longitudinally relative to the knob and relative to the handle of the guide catheter as the flexion of the steerable section is adjusted, and wherein the handle comprises one or more visual indicators adjacent the flex indicator to provide visual indication of an amount of flexion of the steerable section of the guide catheter; and

    expanding the prosthetic heart valve into contact with the patient'"'"'s native aortic valve by inflating a balloon member disposed on the distal end portion of the balloon catheter.

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