Research Article
Effects of Operating Conditions during Three-Layered Polymeric Balloon Catheter Extrusion
Figure 9
Graphics of cross sections of catheters at different screw speeds (). (a) 1 = 6 r/min, (b) 2 = 8 r/min, (c) 3 = 10 r/min, (d) 4 = 12 r/min, (e) 5 = 14 r/min, (f) 6 = 16 r/min, (g) 7 = 18 r/min, (h) 8 = 20 r/min, (i) 9 = 22 r/min, (j) 10 = 24 r/min, (k) 11 = 26 r/min, (l) 12 = 28 r/min, (m) 13 = 30 r/min, (n) 14 = 32 r/min, and (o) 15 = 34 r/min.