Hasson cannula

Has·son can·nu·la

(has'ŏn),
a laparoscopic instrument for open (rather than blind needle insufflation) placement of the initial port. The Hasson has a blunt-tipped obturator instead of a sharp trocar and a balloon on the distal portion of the sheath to hold it in place.

Has·son can·nu·la

(has'ŏn kan'yū-lă)
A laparoscopic instrument for open (rather than blind needle insufflation) placement of the initial port. The Hasson has a blunt-tipped obturator instead of a sharp trocar and a balloon on the distal portion of the sheath to hold it in place.