A device and a method for removing objects from tubular body passages such as arteries, urinary passages, respiratory passages, alimentary canal passages, or other body passages. An elongated element has a ring at its distal end which surrounds the object. On the inside of the ring is a balloon which...http://www.google.es/patents/US4594996?utm_source=gb-gplus-sharePatente US4594996 - Method for removing objects from tubular body passages
Method for removing objects from tubular body passages
