Patent ID: 6972030

Claim:
A catheter system for balloon angioplasty and stent delivery comprising: (a) a guide wire; (b) a catheter having a proximal end, a distal end and a wall having an aperture therein, said catheter including: (i) a first passageway through which the guide wire can be slideably moved, said first passageway having a proximal end and a distal end; (ii) valve means disposed proximate said distal end of said first passageway for opening and closing said first passageway, said valve means being moved from a closed position to an open position by said guide wire; (iii) a second passageway spaced-apart from said first passageway, said second passageway having an inlet and an outlet; (iv) a third passageway transversely spaced-apart from said second passageway, said third passageway having an inlet and an outlet; and (v) a fourth passageway spaced-apart from said second and third passageways; (c) a radially expandable stent mounted on said cannula proximate said outlet of said second passageway; and (d) an angioplasty balloon mounted on said cannula proximate said distal and thereof, said angioplasty balloon being in communication with said outlet of said third passageway.