Clinical Evaluation of the VIPUN Balloon Catheter 0.2 in Critically Ill Patients

Inclusion Criteria: * Signed Informed Consent * Of adult age (18 years or older) * ICU patients in which enteral nutrition is planned to be initiated and are expected to stay at least 1 day in ICU on enteral feeding. * Patients should be mechanically ventilated or have an endotracheal tube or tracheostomy in place. Exclusion Criteria: * Contra-indication for (re-) placement of nasogastric feeding catheters. * History of gastric or esophageal surgery * Any gastrointestinal surgery or trauma that could significantly increase the risk related to the investigational medical device in the opinion of the investigator * Fed by mouth or enterally prior to inclusion * Patient is moribund * Known pregnancy or breastfeeding women * Receives gastroprokinetic medication (e.g., erythromycin, metoclopramide, domperidone)