What is the first category that the Surgical Instruments can be divided into?
Cutting & dissecting instruments.
What is the second category that the Surgical Instruments can be divided into?
Grasping and clamping instruments.
What is the third category that the Surgical Instruments can be divided into?
Dilators and probes.
What is the fourth category that the Surgical Instruments can be divided into?
Retracting and exposing instruments.