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European Pharmacopoeia
evropsky_lekopis_en.php
Surgical sutures
Materials-overview
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Non-absorbable materials
European Pharmacopoeia
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European Pharmacopoeia
The publication of the European Pharmacopoeia (Ph. Eur.) resulted in a standardization of the classification of threads and gauges of surgical suture material. The Ph. Eur. specifies a decimal classification and metric coding for the gauges. It quotes a thread diameter of 1/10 mm, so that the thread gauge of 3.5 has a diameter of 0,35 mm. The following table of the gauges gives a comparison of the metric and the USP gauge coding.
EP/Metric
USP
Diameter
limits
in mm
Diameter
limits
in mm
Absorbable monofilaments
0.2
10–0
0,020–0,029
–
0.3
9–0
0,030–0,039
–
0.4
8–0
0,040–0,049
–
0.5
7–0
0,050–0,069
0,050–0,094
0.7
6–0
0,070–0,099
0,095–0,149
1
5–0
0,100–0,149
0,150–0,199
1.5
4–0
0,150–0,199
0,200–0,249
2
3–0
0,200–0,249
0,250–0,339
2.5
–
0,250–0,299
–
3
2–0
0,300–0,349
0,340–0,399
3.5
0
0,350–0,399
0,400–0,499
4
1
0,400–0,499
0,500–0,570
5
2
0,500–0,599
0,571–0,610
6
3+4
0,600–0,699
–
7
5
0,700–0,799
–
8
6
0,800–0,899
–
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