An intraluminal catheter comprising an elongated catheter shaft having proximal and distal ends and at least one lumen, and a tip member on a distal end of the catheter having a proximal end spaced distally apart from the distal end of the catheter shaft....http://www.google.co.uk/patents/US6368301?utm_source=gb-gplus-sharePatent US6368301 - Catheter having a soft distal tip
