Patent ID: 7105015

Claim:
A system for treating an ostium of a side-branch vessel, comprising: a catheter; a first inflatable member disposed on a distal portion of the catheter and inflatable to become generally cylindrical; a stent disposed on the first inflatable member, the stent having a body portion and an end portion; and a conformable second inflatable member disposed on a proximal portion of the catheter and inflatable to become generally spherical, the second inflatable member spaced apart from the first inflatable member such that at least a portion of the first inflatable member is distal to the stent and inflatable to conform a body portion of the stent to a branch vessel when the second inflatable member is in position to be inflated to expand the end portion of the stent into a flared configuration to conform the end portion of the stent to an ostium of a side-branch vessel.