The Controlled Withdrawal™ technique is a unique feature of the NaviAid™ balloon devices, which operate by positioning an anchoring balloon forwardly of the endoscope tip. When the endoscope has been fully advanced and should be withdrawn from the bowel, typically while examining the intestine, the NaviAid™ device may be operated to perform steps in a reverse order, thereby withdrawing the endoscope from the bowel in a controlled and selectable manner. This provides optimal lumen view, and prevents slippage, which may cause certain pathologies to be missed and reduce detection yield.

Controlled Withdrawal™ while employing the NaviAid™ ABC is of high clinical importance in colonoscopy, as the colon is typically examined mostly on the way out.

Controlled Withdrawal™ is also clinically beneficial when investigating the small bowel while utilizing the NaviAid™ AB device.