Needle Sizes
G178
Width: 1.78mm
Length: 87.50mm
Point: Cutting edge
Shape: 3/8 circle
P198
Width: 1.98mm
Length: 87.50mm
Point: Cutting edge
Shape: 3/8 circle
B218
Width: 2.18mm
Length: 87.50mm
Point: Cutting edge
Shape: 3/8 circle
Threading Instructions
1
Hold the needle pointing away and insert the working end of the sucture into the drilled end hole as shown.
2
The suture emerges in the groove
3
Make a tight overhand knot, trim off the excess suture, bury the knot into the groove, placing the twist on the right-hand side. Gentlely pull the suture back; you may also press the knot into the groove by clamping it over.
Recommended Suture Sizes
Use the correct suture for the corresponding needle size. An overly large suture size will ineffectively bury a knot, interrupting the tissues, while an overly small suture results in knot-attachment instability and potential looping.
COLLAGEN SUTURES | SYNTHETIC SUTURES | |||
U.S.P. Size | Metric Size | Recommended NERSN Needle Size | Metric Size | Recommended NERSN Needle Size |
4 | 8 | - | 6 | B218 |
3 | 7 | - | 6 | B218 |
2 | 6 | B218 | 5 | P198 |
1 | 5 | P198 | 4 | P178 |
0 | 4 | P198 | 3.5 | G178 |
2-0 | 3.5 | G178 | 3 | G178 |
3-0 | 3 | G178 | 2 | - |