The AqaNife is a monopolar electrosurgical instrument for dissection using flexible endoscopes with a working channel diameter of a minimum 2.8 mm. It is a fixed dissection knife and provides the following advantages:

• Precise marking of tissue
• Defined fixed position of the needle, no back pushing by tissue contact
• Straight needle (1,5 mm and 2,5 mm) for flexibility of dissection angle
• Ceramic cap as a stopper and a protector
• Reinjection without instrument change, flushing function