HYSTEROSCOPE ACTIVE PASSIVE WORKING ELEMENT 4MM SCOPE

There are two types of working mechanisms, the active and the passive. The element of the active protrudes from the sheath at rest and requires that the surgeon draw it in by pulling the trigger. Conversely, in the passive the surgeon must advance the element by pulling the trigger. Active Passive Bipolar Turp Working Element Surgical Instruments
active & passive avilable