A medical probe assembly and method for ablating tissue using radio frequency energy. The medical probe assembly includes an elongated shaft, a needle electrode array, and a hinged handle. The handle has a collar, which when in the up position covers the hinge so that the device can be used as a conventional...http://www.google.de/patents/US7087051?utm_source=gb-gplus-sharePatent US7087051 - Articulating radio frequency probe handle
