Figure 1

A-C. In this case the wire ripped subsequent to extreme tension, so one chain element happened to accelerate towards the patients belly and perforated the abdominal wall Flash indicates the position of wire rupture. The dashed line represents the track of the projectile (A). These special diamond -studded wires are used for cutting large scale rock like material at the wire turn speed of 20–25 m/sec. Up to fourty diamond-studded pearls (5–11 mm in diameter) are assembled (B, C).