| 摘要 |
A stent delivery system comprises an inner member and an expandable balloon mounted in a collapsed state on the inner member, the expandable balloon having a first and a second end. A compressible stent having a first diameter is mounted in a compressed state around the expandable balloon between the first and second ends of the balloon. At least a first retainer pillow is formed in the expandable balloon at its first end and has an outer diameter which is at least substantially equal to the diameter of the compressed stent. A first pillow support member is mounted on the inner member and supports the first retainer pillow to maintain the pillow's outer diameter.
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