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EXPANDABLE TRANSAPICAL SHEATH AND METHOD OF USE

  • US 20090287183A1
  • Filed: 10/24/2008
  • Published: 11/19/2009
  • Est. Priority Date: 05/14/2008
  • Status: Active Grant
First Claim
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1. A method of introducing catheters into a ventricle of a heart, the method comprising the steps of:

  • inserting a guidewire into the heart through a puncture in the myocardium and routing the guidewire to a target region of the cardiovascular system;

    inserting a collapsed sheath with a dilator pre-inserted, over the guidewire and into the vasculature,radially expanding an expandable region of the sheath so that the expandable region radially dilates the myocardium and forms a lining inside the myocardium;

    performing therapy or diagnosis at the target region through the expanded sheath; and

    removing the sheath from the heart.

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