Each of various modifications of an integrated-structure inflatable balloon catheter design includes a longitudinal structure having a sharply-pointed insertion needle at a distal end of the longitudinal structure and an inflatable balloon situated intermediate a proximate end and the distal end of the...http://www.google.com/patents/US6847848?utm_source=gb-gplus-sharePatent US6847848 - Inflatable balloon catheter structural designs and methods for treating diseased tissue of a patient
