A forceps is provided. The forceps includes a housing having a shaft that extends therefrom. The bipolar forceps also includes a hydraulic mechanism that includes a fluid line and a plunger operatively coupled to the fluid line. The plunger is translatable within at least a portion of the shaft from...http://www.google.co.uk/patents/US8114122?utm_source=gb-gplus-sharePatent US8114122 - Apparatus, system, and method for performing an electrosurgical procedure
