Patent ID: 6245045
Filing Date: 2001-06-12
Classification: A61M

Abstract:
A vascular interventional device that may be introduced over a guidewire into a vessel of the cardiovascular system of a patient, said device comprising:(a) a hollow, flexible tube having:(i) a proximal end;(ii) a distal end that is adapted to selectively engage a target vessel of the cardiovascular system of the patient;(iii) a lumen that is continuous from the proximal to the distal end;(iv) an end hole in the distal end thereof that is in fluid communication with the lumen; and(v) a plurality of side holes near the distal end thereof, each of which is in continuous fluid communication with the lumen;(b) a hub at the proximal end of the tube, said hub including:(i) an end port through which a second interventional device having an outside diameter smaller than the diameter of the lumen may be introduced into the lumen of the tube; and(ii) a side port through which a fluid agent may be injected for delivery through the lumen and out the end hole and side holes of the tube;(iii) a sealing mechanism that prevents air from entering the tube and blood and other fluids from leaking out of the tube through the hub;(c) a flexible, hollow vessel dilator that is adapted for insertion into and through the tube and over the guidewire, said dilator:(i) having a proximal end and a distal end, said distal end being adapted to accommodate vascular entry over the guidewire;(ii) having an inside diameter that is slightly larger than the guidewire;(iii) having an outside diameter that is slightly smaller than the diameter of the lumen of the tube;(iv) being adapted to dilate the vessel to accept the tube; and(v) being adapted for secure but removable attachment to the hub at its proximal end.