... blend 2, blend 3, desiccate, coagulation, spray and Electrosurgical unit, high frequency, pure cut, blend 1, blend 2, ... spray and bipolar High Frequency Electrosurgical Unit kgw900b Instructions:1. high frequency electrosurgical unit has been designed adopted numerical ... circuit monitor technology timely in surgical operation on safety system of neutral electrode (should use double-circuit electrodes). ...