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

Figure 2

Experimental setup. 1 mL polycarbonate syringe is securely mounted with a 100 N load cell engaging the syringe plunger at 1 mm/sec. Injecting triamcinolone acetonide without backpressure (a) and injecting tap water into a keloid sample at a depth of 7 mm (b).

(a)

(b)