Patent ID: 6805702
Filing Date: 2004-10-19
Classification: A61F

Abstract:
A stent delivery system comprising:a catheter including a stent mounting region; a stent disposed about the stent mounting region of the catheter, the stent having a distal end and a proximal end, the stent further having an unexpanded state and an expanded state, and at least one stent retaining sleeve, the at least one stent retaining sleeve having an inside surface and an outside surface and a first end and a second end, the first end overlying an end of the stent when the stent is in the unexpanded state, the second end engaged to at least a portion of the catheter adjacent to the stent mounting region; the outside surface consisting of a first material, and the inside surface consisting of a second material; the first material having a first predetermined hardness, the second material having a second predetermined hardness, the second predetermined hardness having a higher durometer value than the first predetermined hardness.