Effects of Operating Conditions during Three-Layered Polymeric Balloon Catheter Extrusion

Figure 7

Graphics of cross sections of catheters at different air injection volume rates. (a) Q₁ = 4 mL/min, (b) Q₂ = 6 mL/min, (c) Q₃ = 8 mL/min, (d) Q₄ = 10 mL/min, (e) Q₅ = 12 mL/min, (f) Q₆ = 14 mL/min, (g) Q₇ = 16 mL/min, (h) Q₈ = 18 mL/min, (i) Q₉ = 20 mL/min, (j) Q₁₀ = 22 mL/min, (k) Q₁₁ = 24 mL/min, (l) Q₁₂ = 26 mL/min, and (m) Q₁₃ = 28 mL/min.