The present invention provides a device and method for delivering a therapeutic substance to a treatment site within a patient such as a vessel that has undergone angioplasty. The device provides flexible conduits placed together in the vessel along with a shaft that is attached to their distal ends....http://www.google.es/patents/US6280414?utm_source=gb-gplus-sharePatente US6280414 - Method and apparatus for local delivery of therapeutic agent
Method and apparatus for local delivery of therapeutic agent
