The catheter (10) of the present invention includes a first end (2) with a rounded top, a second end (3), and a plurality of segments (5) between the first end (2) and the second end (3). The catheter (10) may also include a connection to a medical device. Each segment (5) has a first tapered surface (6) with a diameter increasing from a first edge (6) to the tapered surface edge (7) and second tapered surface (8) with a diameter decreasing from the tapered surface edge (7) to a second edge (12). The taper surface edge (7) has the widest diameter of the segment (5). The widest section of the segment (5) is approximately between 4 mm and 6 mm inclusive for the urethral catheter. A maximum length of the segment (5) is approximately 1.5 times the length of the diameter of the segment (5) at the tapered surface edge (7). The length of the second tapered surface (9) is greater than the length of the first tapered surface (6).
