Disclosed herein is an intravascular universal catheter having interchangeable work elements and methods of use thereof. The catheter comprises a flexible catheter body having a distal end, a proximal end and a lumen extending between the ends. A housing having an open interior and an aperture on a lateral...http://www.google.de/patents/US5632754?utm_source=gb-gplus-sharePatent US5632754 - Universal catheter with interchangeable work element
