6 | Syringe Ergonometrics/Design | Uniqueness of design* | −1: Uniform 0: Unique |
Hand friendly grip 360˚ rotatable barrel flange*** 360˚ rotatable plunger flange*** 360˚ rotatable luer lock system*** 360˚ grading visibility*** Aspiration friendly design | Point for each (0 - 6) | ||
Plunger tip dislocation from the rubber seal during aspiration incident reported | −1: Yes, for each incident 0: No | ||
Luer lock system dislocation accidents | −1: Reported, for each incident 0: Not reported | ||
Grading marks and clear differentiation of varieties like concentrations and grades of cross-linking | −1: Lost, for each incident 0: Sticker on syringe 1: Printed on syringe | ||
Each variety has a unique syringe color/hue | −1: No 0: Yes | ||
7 | Substance | Ease of injection | −1: Heterogenous resistances experienced during injection using the same syringe 0: Homogenous but too easy or too hard considering concentration and cross-linking 1: Reasonable |
Pliability vs Stability | −1: Major migration incident reported, for each incident 0: Still Pliable after one week 0: Integrated with tissues before one week 1: Pliable till the first weekends then it starts to integrate | ||
Being inert (Reactions or granuloma incidences) | −1: Reported, for each incident 0: Not reported |