A transfer device and catheter assembly for the delivery of treatment elements to a selected location within the intraluminal passageways of a patient as part of an intraluminal radiation system. The transfer device includes a gate member that permits the treatment elements to have the transfer device...http://www.google.es/patents/US7025716?utm_source=gb-gplus-sharePatente US7025716 - Intraluminal radiation treatment system
