Table 1.
Internal Diameter (mm) and Length (cm) of Various Needles and SL-10 Catheter
| Internal diameter (mm) | Length (cm) | |
|---|---|---|
| 20-gauge needle | 0.584 | 2.54 |
| 25-gauge needle | 0.240 | 2.54 |
| 30-gauge needle | 0.140 | 2.54 |
| SL-10 catheter | 0.420 | 150 |
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