The Biomechanics and Optimization of the Needle-Syringe System for Injecting Triamcinolone Acetonide into Keloids

Figure 3

Injection force required for tap water in 5 different syringes with 25 G, 16 mm needles at 1 mm/sec (a), 3 mm/sec (b), and 5 mm/sec (c).

(a)

(b)

(c)