Methods and apparatuses for deploying minimally-invasive heart valves
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United States of America Patent
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Jul 7, 2009
Issued Date -
N/A
app pub date -
Sep 13, 2001
filing date -
Sep 13, 2001
priority date (Note) -
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Abstract
A system for delivering and deploying a self-expandable heart valve includes a deployment mechanism that engages the valve and regulates the rate of expansion of both the proximal and distal ends thereof. The deployment mechanism may include a plurality of distal fingers and a plurality of proximal fingers that engage the end portions of the heart valve. Controlled radial movement of the fingers regulates the expansion of the heart valve such that the proximal and distal ends radially expand at the same rate. A stabilization balloon may be used to axially and radially locate the deployment mechanism relative to the site of implantation. Methods of operation of the delivery and deployment mechanism include regulating the rate of self-expansion of the valve and forcing the valve outward into its fully expanded configuration utilizing the same or different means.
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