Devices, systems and methods for accurate positioning of a prosthetic valve
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United States of America Patent
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Jun 19, 2018
Issued Date -
N/A
app pub date -
Jun 29, 2016
filing date -
Apr 22, 2011
priority date (Note) -
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Abstract
The invention is a system and method for accurately positioning a prosthetic valve such as a prosthetic heart valve at a desired position for deployment. The invention includes extendable positioning elements which provide tactile feedback to a user to confirm proper positioning of the catheter with respect to the native valve annulus. During delivery, the extendable positioning elements lie against the catheter, over the prosthetic valve and expandable balloon, providing a low profile for advancing the catheter to the desired treatment location via small passages such as body lumens. Prior to valve deployment, the positioning elements are extended and brought into contact with tissue of the native annulus to confirm the proper positioning of the delivery system and prosthetic valve.
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