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

Table 1

Syringe and needle materials investigated.

Syringes; (manufacturer)	1 mL polycarbonate; (Becton, Dickinson and Company, New Jersey, USA)	1 mL Monojet polypropylene; (Tyco Healthcare Group, Massachusetts, USA)	1 mL Tuberculin polypropylene; (Becton, Dickinson and Company, New Jersey, USA)	3 mL polypropylene; (Becton, Dickinson and Company, New Jersey, USA)	5 mL polypropylene; (Becton, Dickinson and Company, New Jersey, USA)
Needle lengths and gauges; (manufacturer)	16 mm, 25 G BD Eclipse needles; (Becton, Dickinson and Company, New Jersey, USA)	25 mm, 25 G BD Eclipse needles; (Becton, Dickinson and Company, New Jersey, USA)	38 mm, 25 G BD Eclipse needles; (Becton, Dickinson and Company, New Jersey, USA)	13 mm, 27 G BD Eclipse needles; (Becton, Dickinson and Company, New Jersey, USA)	13 mm, 30 G BD Eclipse needles; (Becton, Dickinson and Company, New Jersey, USA)