Patents Assigned to NuMed
  • PTCA catheter
    Patent number: 5002559
    Abstract: A PTCA catheter is provided in which the extreme distal end is reduced to a diameter of 3 thousandths of an inch and enclosed in a coiled spring which is welded to the guidewire of the catheter at its tip and at a thicker 8 thousandths diameter portion of the guidewire to increase the strength of the tip and reduce breakage when inserted in a coronary artery. A dual lumen catheter body is provided at the proximal end for capturing and actuating the guidewire and for inflating the balloon at the distal end.
    Type: Grant
    Filed: November 30, 1989
    Date of Patent: March 26, 1991
    Assignee: NuMed
    Inventor: Allen J. Tower