Fig. 2

5 mm Calibrated Biopsy cannula (B) with its trocar (A) and calibrated endoscopic 2.5 mm grasper (C) with Red Stopper working at a pre-decided length. This is used for only diagnostic biopsy cases under general anaesthesia. Bigger 8 mm cannula (E), trocar (D), 3.5 mm disc punch with Green stopper (F) are used when per-operative biopsy is contemplated