Hasson trocar

Has·son tro·car

a blunt trocar inserted into the peritoneal cavity after making a small celiotomy; used for insufflation and introduction of a laparoscope.
References in periodicals archive ?
First, a right paraumbilical incision was made to introduce a Hasson trocar, which showed citric parauterine effusion and dolicosigma, and then, two other trocars were placed, one in the right lumbar region (10 mm) and the second in the left iliac region (5 mm).
Efficacy of establishment of pneumoperitoneum with the Veress needle, Hasson trocar, and modified blunt trocar (TrocDoc): A randomized study.