Table 1. For the robotic total thyroidectomy and ND, the instruments and materials needed additionally are summarized below.

Procedure	Instruments or materials
Patient position	• Arm board
	• Soft pillow
Development of working space	• Electrocautery with regular and extended-sized tip
	• Vascular Debakey or Russian forceps (extended length)
	• Army-navy retractor ×2
	• Right-angled retractors ×2
	• Breast lighted retractor ×2
	• Endoscopic clip appliers
Maintenance of working space	• Chung’s retractor (special set of retractor for ND)
	• Table mount and suspension device (Marina Medical, Sunrise, USA)
Robotic procedure	• 5 mm Maryland dissector
	• 8 mm ProGrasp forceps
	• 5 mm Harmonic curved shears
	• Dual channel 30 degree endoscope (used in the rotated down position)
	• Endoscopic graspers and forceps
	• Endoscopic suction irrigator

ND, neck dissection.