laparotome
/ˌlæpəroʊˈtōm/ or /læpəˈroʊtəm/Definitions
1. noun
A surgical instrument consisting of a long, thin, sharp-edged blade used to make an incision in the abdominal wall, typically in laparoscopic surgery.
“The surgeon used a laparotome to make a precise incision in the patient’s abdomen.”