This invention is a cannulation apparatus, and related methods for providing indirect access to a surgical site within a patient. The cannulation apparatus includes at least two fluid flow paths that are slidable coupled (40) (50) to one another, and selectively positional within the patient. The first,...http://www.google.es/patents/US6969379?utm_source=gb-gplus-sharePatente US6969379 - Intravascular cannulation apparatus and methods of use
Intravascular cannulation apparatus and methods of use
