A non-intravascular infusion access device and method for long-term continuous infusion of drugs. The infusion access device includes a porous membrane made of a material which is biocompatible for long-term patency inside the body. The porous membrane is connected to a conducting tubing which exits...http://www.google.com.au/patents/US6042561?utm_source=gb-gplus-sharePatent US6042561 - Non-intravascular infusion access device
