A nasogastric (NG) tube provided with a normally-curved or normally-bent leading end. When passed, the normally-curved/bent leading end negotiates the nasopharynx with the tip of the NG tube biased to conform to the shape of the soft palate, thereby applying a reduced pressure against the posterior...http://www.google.es/patents/US5690620?utm_source=gb-gplus-sharePatente US5690620 - Anatomically conforming nasogastric tube with normally-curved tip and method for using same
Anatomically conforming nasogastric tube with normally-curved tip and method ...
