Device delivery system with two stage withdrawal
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United States of America Patent
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Aug 28, 2012
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N/A
app pub date -
Aug 1, 2007
filing date -
Aug 1, 2007
priority date (Note) -
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Abstract
A medical device delivery system provides for a two-stage withdrawal of a deflated balloon portion of a catheter and the remains of a ruptured sheath. The deflated balloon portion is withdrawn from within an expanded medical device a predetermined distance before the remains of the ruptured sheath begins being removed from between the expanded device and a vessel wall. Initiating removal of the deflated balloon portion before the sheath reduces a total amount of drag that is exerted against a self-expanding medical device that has been deployed in a vessel.
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