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.
References in periodicals archive ?
4 Two basic methods commonly used worldwide are, the closed method involving blind insertion of veress needle and open method involving insertion of Hasson cannula under direct vision as advised by Hasson.
Although the Hasson cannula was not associated with MVI in two large trials involving 10,840 and 5,284 procedures, respectively, there have been case reports to the contrary.
7,Heiss artery 7" (180mm),Heiss artery 8" (200mm),Hibbs Laminectomy Retractor S/E 20cm x 13mm,Langenbeck Retractor S/E 22mm x 6mm,S-Shaped Retractors For Hasson Cannulas, 3/8?