Strain management in stent delivery system
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United States of America Patent
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Jan 3, 2017
Grant Date -
Oct 9, 2014
app pub date -
Jun 19, 2014
filing date -
May 9, 2003
priority date (Note) -
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Abstract
A delivery system for a medical implant and a method of delivering the medical implant. The delivery system includes an inner catheter and an outer catheter. The inner catheter includes a wire coil disposed between an inner tube and an outer tube, the wire coil having gaps between turns of the coil at a proximal and a distal region thereof. The outer catheter is disposed about the inner catheter. The system includes a flow path for liquid from a proximal end to a distal end thereof, the flow path including a radially extending portion through the gaps. The method includes inserting the delivery system into a body lumen, injecting visualizing fluid into the proximal end of the system, the visualizing fluid moving through the flow path and exiting the distal end of the system, and retracting the outer catheter to release the medical implant.
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