Definitions for "Cannulas"
tubes that hold the laparoscope and instruments, and allow access to the abdominal cavity for performance of laparoscopic surgery.
a hollow tube with a sharp, retractable inner core that can be inserted into a vein, an artery or another body cavity.
tubes that hold an instrument called a laparoscope (see below) and other instruments that allow access to the abdominal cavity for laparoscopic surgery.