|
French Catheter Scale |
*sizes are Outside Diameter |
French |
INCH |
MM |
3 |
0.039 |
1 |
4 |
0.053 |
1.35 |
5 |
0.066 |
1.67 |
6 |
0.079 |
2 |
7 |
0.092 |
2.3 |
8 |
0.105 |
2.7 |
9 |
0.118 |
3 |
10 |
0.131 | 3.3 |
11 |
0.144 |
3.7 | 12 | 0.158 | 4 |
13 |
0.170 | 4.3 | 14 | 0.184 | 4.7 |
15 | 0.197 |
5 |
16 | 0.210 |
5.3 |
17 | 0.223 |
5.7 |
18 |
0.236 | 6 |
19 |
0.249 | 6.3 |
20 | 0.263 |
6.7 |
22 | 0.288 |
7.3 |
24 |
0.315 | 8 |
26 |
0.341 | 8.7 |
28 | 0.367 |
9.3 |
30 |
0.393 | 10 |
32 | 0.419 |
10.7 |
34 |
0.445 | 11.3 |
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