An electrosurgical pencil is provided and includes an elongated housing having an electrocautery blade supported therein and extending distally from the housing. The electrocautery blade is connected to a source of electrosurgical energy. The pencil further includes a plurality of activation switches...http://www.google.com.au/patents/US7503917?utm_source=gb-gplus-sharePatent US7503917 - Electrosurgical pencil with improved controls
