Figure 2. a, b: A 5 mm blunt tip trocar is introduced slowly using screwing clockwise - anticlockwise technique with a fine tilt toward the pelvis till the tip passes into the peritoneal cavity

From

Diagnostic Peritoneal Lavage: Blunt Tip 5mm Trocar - Channeled Drain Technique, Novel Technique

Saed Jaber, Aftab Ahmad, Eman Zakarneh, Ahmad Al-Fayez, Meshal Sayali

Global Journal of Surgery. 2014, 2(3), 42-44 doi:10.12691/js-2-3-3