The invention provides a steerable device for the delivery of a therapeutic solution, in particular, an angiogenesis-promoting substance into a heart, and a method of delivering such a substance into the heart. The device includes an elongated needle which the physician may steer by asserting a tensioning...http://www.google.com/patents/US6508802?utm_source=gb-gplus-sharePatent US6508802 - Remote sensing gene therapy delivery device and method of administering a therapeutic solution to a heart
