Table I.
Score of Manual Injectability of Formulation 1. Injectability for a Given Needle-syringe Systems Filled with Aliquots of 1 mL of the Highest Viscosity Formulation was Considered Acceptable When the Total Score was up to 30, i.e. The Steady Flow of the Tested Formulation was Obtained with Moderate Difficulty During its Injection
| Needle size | Individual score | Total score | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Gauge (G) | Length (mm) | #1 | #2 | #3 | #4 | #5 | #6 | #7 | #8 | #9 | #10 | |
| 22 | 40 | 4 | 4 | 4 | 3 | 3 | 4 | 4 | 3 | 3 | 4 | 36 |
| 23 | 16 | 4 | 4 | 4 | 4 | 3 | 4 | 4 | 3 | 4 | 4 | 38 |
| 30 | 3 | 3 | 1 | 1 | 2 | 4 | 4 | 2 | 3 | 2 | 25 | |
| 24 | 25 | 3 | 2 | 1 | 1 | 2 | 2 | 3 | 1 | 3 | 2 | 20 |
| 25 | 16 | 3 | 2 | 1 | 1 | 2 | 1 | 1 | 1 | 3 | 2 | 17 |
| 25 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | |
| 26 | 12 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 |