Medical device delivery system
View Patent ↗A medical device comprises a catheter having a catheter shaft and a balloon located at the distal end of the catheter shaft, and a bifurcated stent. The bifurcated stent comprises a trunk and at least two joined cylindrical parts extending from the trunk. A first part is capable of radially self-expanding and a second part is radially expandable only by means of a force applied thereto. At least a portion of the second part is disposed about the balloon prior to being radially expanded.
1. A medical device comprising:
a catheter, that catheter having a catheter shaft and a balloon located at the distal end of the catheter shaft,
a bifurcated stent, the bifurcated stent comprising a trunk and at least two joined cylindrical parts extending from the trunk, a first part being capable of radially self-expanding and a second part being radially expandable only by means of a force applied thereto, at least a portion of the second part disposed about the balloon prior to being radially expanded.
2. The medical device of claim 1 wherein the first part is balloon expandable.
3. The medical device of claim 2 wherein at least a portion of the trunk is balloon expandable.
4. The medical device of claim 3 wherein the at least a portion of the trunk is disposed about the balloon prior to being radially expanded.
5. The medical device of claim 1 wherein at least a portion of the trunk is capable of radially self-expanding.
6. The medical device of claim 1 wherein at least a portion of the stent is made of nitinol.
7. The medical device of claim 5 wherein at least a portion of the first part is made of nitinol.
8. The medical device of claim 1 further comprising a sheath, the sheath being disposed about at least a portion of the stent prior to expansion.