These needles penetrate through the tissues by separating rather than cutting the tissues. In dense tissues its penetration power is limited. Mainly used for suturing in vascular, digestive and urinary surgery.
It has a very sharp tip and also its four sides are very sharp which ensures easy penetration through muscles. The tip is almost round with a tiny point. Properties are almost similar to ball point needle, but its penetration power is high compared to ball point needle.
Surgical suture needles are in the form of arc,