LunGuard has developed a unique and proprietary physiological reflux prevention device (Smart NG tube) for the enteral feeding market LunGuard’s product is a PFT (Peristaltic Feeding Tube) that is capable of preventing reflux and is expected to significantly lower the occurrence of VAP (Ventilator Associated Pneumonia) in ventilated patients. The system is composed of a disposable PFT with three peripheral balloons attached to bedside controller