RECONSTRAINABLE STENT DELIVERY SYSTEM
First Claim
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1. A delivery system for a self-expanding stent, said system comprises:
- an inner member located coaxially with an outer member, said inner member and said outer member including a distal and proximal end;
a pusher positioned at a proximal end of said inner member; and
a slider located coaxially with said inner member and positioned within and contacting an inner diameter of said stent,wherein before deployment of the stent, the stent is constrained within an inner diameter of said outer member and during deployment of the stent said slider can rotate about and move longitudinally along said inner member allowing said stent to move distally or rotate within said outer member as said outer member is retracted to deploy said stent.
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Abstract
The stent of the present invention combines a helical strut band interconnected by coil elements. This structure provides a combination of attributes that are desirable in a stent, such as, for example, substantial flexibility, stability in supporting a vessel lumen, cell size and radial strength. The structure of the stent of the present invention provides a predetermined geometric relationship between the helical strut band and interconnected coil.
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Citations
26 Claims
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1. A delivery system for a self-expanding stent, said system comprises:
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an inner member located coaxially with an outer member, said inner member and said outer member including a distal and proximal end; a pusher positioned at a proximal end of said inner member; and a slider located coaxially with said inner member and positioned within and contacting an inner diameter of said stent, wherein before deployment of the stent, the stent is constrained within an inner diameter of said outer member and during deployment of the stent said slider can rotate about and move longitudinally along said inner member allowing said stent to move distally or rotate within said outer member as said outer member is retracted to deploy said stent. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26)
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Specification