Feeding tube A feeding tube is a medical device used to give nutrition to patients who can't get nutrition by mouth, can't swallow securely, or require nutritional supplementation. The condition of being fed by a feeding tube is called gavage, enteral feeding or tube feeding. Placement might be transitory for the treatment of intense conditions or chronic disabilities. An assortment of feeding tubes are used as a part of medical practice. They are generally made of polyurethane or silicone. The diameter of a feeding tube is measured in French units (each French unit equals 0.33 millimeters). They are classified addition and proposed usage. There are many conditions that may require tube feeding. The more typical conditions that require feeding tubes incorporate prematurity, inability to thrive (or malnutrition), neurologic and neuromuscular scatters, failure to swallow, anatomical and post-surgical mutations of the mouth and esophagus, cancer, Sanfilippo disorder, and digestive issue. The adequacy of feeding tubes changes extraordinarily relying upon what condition they are used to treat.