Apparatus for introduction into the vessel of a patient comprising a guiding catheter adapted to be inserted into the vessel of the patient and a device adapted to be inserted into the guiding catheter. The device includes a flexible elongate member and a sleeve carried by the flexible elongate member...http://www.google.es/patents/US5501227?utm_source=gb-gplus-sharePatente US5501227 - Angioplasty apparatus facilitating rapid exchange and method
Angioplasty apparatus facilitating rapid exchange and method