noun
- a sharp-pointed surgical instrument used with a cannula to puncture a body cavity for drainage or to introduce medication
Usage: medical
Examples
- The surgeon inserted the trocar into the patient’s abdomen to drain excess fluid.
- A trocar and cannula system was used to perform the laparoscopic procedure.
- The medical student learned how to properly handle a trocar during training.
- The trocar allowed the doctor to access the thoracic cavity safely.
- After inserting the trocar, the physician was able to remove the accumulated fluid.