System for introducing and positioning expandable dilators stenotic.

摘要

The present invention relates to a catheter structure for dilating and place stents, comprising a catheter having a balloon inflatable IN WHICH THERE ARE TWO COLLARS (14) fixed around the catheter into the balloon, AND ARE DESIGNED TO DEFINE DOS annular ridges (15), facing each other, and separated into parallel position. ADAPTER TUBULAR (17) is arranged around the portion of the catheter located between said collars and said BALL WHEN empty, is wrapped around the collars, REMAINING COMPRIMIDO between them ADAPTER TUBULAR said.