An implantable access port for use in transferring a fluid transdermally between an external fluid storage or dispensing device and a site within a patient's body is disclosed. The access port includes a base, a bowl-shaped reservoir defined within the base by a smooth surfaced wall, and a septum secured...http://www.google.es/patents/US20090227862?utm_source=gb-gplus-sharePatente US20090227862 - IMPLANTABLE ACCESS PORT