Stent retaining systems
First Claim
Patent Images
1. A stent delivery system comprising:
- an expandable stent having proximal and distal ends, and a first interlock structure;
an elongated inner member defining a longitudinal axis;
a floating retaining ring disposed on the inner member and having a second interlock structure for engaging the first interlock structure of the stent, the floating retaining ring adapted for longitudinal movement relative to the inner member, the floating retaining ring being discontinuous and defining free ends extending along an entire length of the floating retaining ring; and
a sheath mounted on the inner member, the sheath being positionable in a transport position in which the sheath covers the stent and a deployed position in which the stent is at least partially exposed.
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Abstract
A stent delivery system includes an expandable stent, a catheter, and a sheath. The expandable stent includes proximal and distal ends, and a first interlock structure. The catheter includes an elongated member having a second interlock structure displaceably arranged about an outer surface thereof for engaging the first interlock structure of the stent. The sheath is mounted on the elongated member and is positionable in a transport position in which the sheath covers the stent mounted on the elongated member and a deploy position in which the stent is exposed.
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Citations
16 Claims
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1. A stent delivery system comprising:
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an expandable stent having proximal and distal ends, and a first interlock structure; an elongated inner member defining a longitudinal axis; a floating retaining ring disposed on the inner member and having a second interlock structure for engaging the first interlock structure of the stent, the floating retaining ring adapted for longitudinal movement relative to the inner member, the floating retaining ring being discontinuous and defining free ends extending along an entire length of the floating retaining ring; and a sheath mounted on the inner member, the sheath being positionable in a transport position in which the sheath covers the stent and a deployed position in which the stent is at least partially exposed. - View Dependent Claims (2, 3, 4, 5, 6, 7, 14, 15, 16)
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8. A stent delivery system, which comprises:
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an elongated inner member defining a longitudinal axis, and having proximal and distal ends; an expandable stent mounted adjacent the distal end of the inner member; a generally annular retainer mounted to the inner member and dimensioned to releasably couple with the expandable stent, the retainer dimensioned for longitudinal movement along the inner member, the retainer defining a discontinuous ring having free ends extending an entire longitudinal length of the annular retainer; and a sheath mounted on the inner member, the sheath being movable from a transport position covering the stent to a deployed position in which the stent is at least partially exposed. - View Dependent Claims (9, 10, 11, 12, 13)
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Specification