| 摘要 |
A stent delivery system comprising a catheter having an inner tube and an outer tube surrounding the inner tube; a balloon having a proximal end fixed to the outer tube a distal end fixed to the inner tube and an interior including a proximal portion and distal portion, a stent disposed on the balloon and being expandable from a delivery position to a deployed position by a contrast medium adapted to be supplied to the interior of the balloon, and a contrast medium distribution means disposed in the interior of the balloon adapted to equally distribute the contrast medium to both the proximal portion and the distal portion of the interior of the balloon.
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