STENT SEALS AND METHODS FOR SEALING AN EXPANDABLE STENT
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United States of America Patent
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Issued Date -
Oct 8, 2015
app pub date -
Nov 8, 2013
filing date -
Nov 8, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Embodiments of the present disclosure are related to devices and techniques for para-valve sealing of an expandable stent-valve (10) implanted using a catheter. In some embodiments, a stent-valve is provided which comprises a seal cuff (40) containing material that swells when contacted by blood. A piercing tool may be included and used to permit a user to puncture the cuff prior to introduction into a patient's body. In some embodiments, the cuff has an integral tubular structure configured to withstand balloon expansion of the stent-valve during or after implantation. The swellable material may be exposed to liquid prior to introduction into the patient's body.
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