Research Article
Effects of Operating Conditions during Three-Layered Polymeric Balloon Catheter Extrusion
Figure 11
Graphics of cross sections of catheters at different screw speeds (Nz). (a) Nz1 = 6 r/min, (b) Nz2 = 8 r/min, (c) Nz3 = 10 r/min, (d) Nz4 = 12 r/min, (e) Nz5 = 14 r/min, (f) Nz6 = 16 r/min, (g) Nz7 = 18 r/min, (h) Nz8 = 20 r/min, (i) Nz9 = 22 r/min, (j) Nz10 = 24 r/min, (k) Nz11 = 26 r/min, (l) Nz12 = 28 r/min, (m) Nz13 = 30 r/min, (n) Nz14 = 32 r/min, and (o) Nz15 = 34 r/min.