System and method for transapical delivery of an annulus anchored self-expanding valve
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United States of America Patent
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Jun 10, 2014
Grant Date -
Jun 12, 2008
app pub date -
Dec 6, 2007
filing date -
Dec 6, 2006
priority date (Note) -
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status (Latency Note)
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Abstract
A prosthetic valve assembly for use in replacing a deficient native valve comprises a replacement valve supported on an expandable prosthesis frame. The valve may be delivered transluminally or transmyocardially using a thorascopic or other limited access approach using a delivery catheter. Preferably, the initial partial expansion of the valve is performed against the native valve annulus to provide adequate anchoring and positioning of the valve as the remaining portions of the valve expand. The valve may be delivered using a retrograde or antegrade approach. When delivered using a retrograde approach, a delivery catheter with a pull-back sheath may be used, while antegrade delivery is preferably performed with a delivery catheter with a push-forward sheath that releases the proximal end of the valve first.
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