A catheter with an adjustable, external locking bolster. The catheter is for insertion into a body and includes a distal tip which is positioned inside the body, and a tubular member which is in communication with the distal tip. A portion of the tubular member exists outside the body and is provided...http://www.google.fr/patents/US5092850?utm_source=gb-gplus-shareBrevet US5092850 - Catheter with adjustable external locking bolster
