Patent ID: 6605056
Filing Date: 2003-08-12
Classification: A61M

Abstract:
A medical device comprising:an inner tube having a proximal portion and a distal portion; an outer tube disposed about at least a portion of the inner tube, the outer tube having a proximal portion and a distal portion; a balloon disposed about the inner tube, the balloon having a proximal end and a distal end, the proximal end of the balloon extending from the distal end of the outer tube; a first inflation lumen in fluid communication with the balloon; at least one first expandable diaphragm having a first end and a second end, the first end attached to the inner tube, the at least one first expandable diaphragm interior to the balloon; a retractable sheath disposed inside of the balloon about the inner tube, the retractable sheath retractable from a first position in which it is disposed about at least a portion of the at least one first expandable diaphragm to a second position in which the retractable sheath is axially displaced from the at least one first expandable diaphragm.