An apparatus for treating a patient. The apparatus includes a deployment mechanism having a surface. The apparatus also includes at least one probe disposed on the deployment mechanism surface. The probe extends between 25 microns and 1000 microns from the surface of the deployment mechanism. The apparatus...http://www.google.de/patents/US6197013?utm_source=gb-gplus-sharePatent US6197013 - Method and apparatus for drug and gene delivery
