Research Article
Effects of Operating Conditions during Three-Layered Polymeric Balloon Catheter Extrusion
Figure 13
Graphics of cross sections of catheters at different screw speeds (Nn). (a) Nn1 = 6 r/min, (b) Nn2 = 8 r/min, (c) Nn3 = 10 r/min, (d) Nn4 = 12 r/min, (e) Nn5 = 14 r/min, (f) Nn6 = 16 r/min, (g) Nn7 = 18 r/min, (h) Nn8 = 20 r/min, (i) Nn9 = 22 r/min, (j) Nn10 = 24 r/min, (k) Nn11 = 26 r/min, (l) Nn12 = 28 r/min, (m) Nn13 = 30 r/min, (n) Nn14 = 32 r/min, and (o) Nn15 = 34 r/min.