An electrosurgical probe comprises an elongate probe body having a surgical hook at a distal end thereof. A paddle element is reciprocatably mounted within the distal tip of the elongate body so that it can be shifted between an extended position where it covers the hook tip and a retracted position...http://www.google.se/patents/US5460629?utm_source=gb-gplus-sharePatent US5460629 - Electrosurgical device and method
