An apparatus for treating a patient. The apparatus includes a catheter having a distal end and a proximal end. The distal end has an orifice through which a fluid can flow. The distal end has a port through which the fluid can flow. The port is adjacent to but apart from the orifice. The apparatus includes...http://www.google.ca/patents/US6497698?utm_source=gb-gplus-sharePatent US6497698 - Method and apparatus for treating a patient