Patent ID: 8382787

Claim:
A dilation catheter comprising: an elongate catheter body with at least one lumen; and a medical balloon disposed about a portion of the elongate catheter body in fluid communication with the lumen, the medical balloon comprising: a proximal region and a distal region; a balloon working length intermediate the proximal region and the distal region; a proximal working length-to-taper transition; wherein the proximal working length-to-taper transition comprises a radius before inflation from: 0.97 to 3.3 mm when the balloon has a working length diameter of about 0.3 mm, 1.8 to 4.7 mm when the balloon has a working length diameter of about 4 mm, 2.4 to 6.4 mm when the balloon has a working length diameter of about 5 mm, 3.5 to 8.3 mm when the balloon has a working length diameter of about 6 mm, 4.8 to 10.2 mm when the balloon has a working length diameter of about 7 mm, 6.2 to 11.4 mm when the balloon has a working length diameter of about 8 mm, 6.7 to 13.3 mm when the balloon has a working length diameter of about 9 mm, 8.1 to 15.2 mm when the balloon has a working length diameter of about 10 mm, 9.1 to 17.1 mm when the balloon has a working length diameter of about 11 mm, 9.9 to 19.1 mm when the balloon has a working length diameter of about 12 mm, 11.2 to 22.9 mm when the balloon has a working length diameter of about 14 mm, or 13.3 to 25.4 mm when the balloon has a working length diameter of about 15 mm.