The present invention provides systems and methods for minimally invasive endoscopic surgical procedures. In certain embodiments, the minimally invasive endoscopic surgical systems comprise a harvesting cannula having a cylindrical body sized to receive an endoscope and having a length of about 20 cm to about 26 cm, a bisector/bipolar device having finger grooves and/or other ergonomic/non-slip features, and/or a suction device to clear a visual field of the endoscope, as well as methods for using such systems.