DELIVERY SYSTEMS FOR PROSTHETIC HEART VALVE
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United States of America Patent
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Issued Date -
Mar 28, 2024
app pub date -
Dec 11, 2023
filing date -
Jul 27, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
A delivery apparatus for a prosthetic heart valve includes a shaft, an inner balloon, and an outer balloon. The shaft has a lumen extending from a proximal end portion to a distal end portion and a plurality of openings formed in the distal end portion. The shaft is configured such that a fluid can flow through the lumen and the openings. The inner balloon has end portions and a center portion disposed between the end portions. The inner balloon is mounted on the distal end portion of the shaft and is in fluid communication with the openings of the shaft. When the inner balloon is inflated with the fluid, the end portions expand farther radially outwardly than the center portion. The outer balloon is mounted to the shaft and disposed over the inner balloon. The outer balloon is configured to fully expand after the inner balloon at least partially expands.
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