A deflectable tip introducer or guide catheter optimized for placement of leads or catheters within the vasculature of the human body is disclosed. The introducer includes inner and outer concentrically located tubular sheaths. The inner and outer sheaths are preferably provided with different curved...http://www.google.es/patents/US6408214?utm_source=gb-gplus-sharePatente US6408214 - Deflectable tip catheter for CS pacing
