The invention provides a catheter and method of making the same including an outer tubular member having a length, an outer surface, an inner surface and a lumen therethrough. The catheter also includes an inner tubular member having an outer surface, an inner surface and a lumen therethrough, at least...http://www.google.fr/patents/US7794448?utm_source=gb-gplus-shareBrevet US7794448 - Multiple lumen catheter and method of making same
