US 6,981,984 B2
Stent with combined distal protection device
Don W. Lee, 1510 S. Central, Suite 150, Glendale, Calif. 91204 (US)
Filed on Sep. 17, 2002, as Appl. No. 10/246,257.
Prior Publication US 2004/0054394 A1, Mar. 18, 2004
Int. Cl. A61F 2/06 (2006.01)
U.S. Cl. 623—1.11 15 Claims
OG exemplary drawing
 
1. A catheter system for balloon angioplasty and the delivery out a stent within the vessel of a patient comprising:
(a) a catheter having a proximal end and distal end, said catheter having a wall provided with an aperture in communication with the vessel of the patient, said catheter including:
(i) a first passageway having a proximal end and a distal end;
(ii) a second passageway spaced-apart from said first passageway, said second passageway having an inlet and an outlet;
(iii) a third passageway spaced-apart from said first passageway, said third passageway having an inlet and an outlet;
(b) a guide wire movable within said first passageway;
(c) valve means disposed within said first passageway within which said guide wire is movable for opening and closing said passageway, said valve means being moved from a closed position to an open position by movement of said guide wire;
(d) a radially expandable stent mounted on said cannula proximate said outlet of one of said first, second and third passageways;
(e) an angioplasty balloon mounted on said cannula proximate said distal end thereof, said angioplasty balloon being in communication with said outlet of one of said first, second and third passageways; and
(f) an aspirating pump in communication with said first passageway for aspirating material from the vessel of the patient via the aperture provided in the catheter wall.