FDA Class III Medical Devices that assist an individual to obtain enteral nutrition in a controlled manner. Enteral Nutrition Pumps nowadays may be either stationary or portable. Portable units typically require a carrying case of some type to contain the pump, feeding set and tubing. Requires enteral feeding sets that have been designed specifically for administration of enteral nutrition formula via pump, rather than gravity. Some models may require an I.V. pole for attachment while delivering formula at a pre-set hourly volume. May be used with any type of enteral feeding tube, i.e. NasoGastric, Gastrostomy, Jejunostomy, PEG and/or Gastro-Jejunostomy.