The principal advantage of the abdominal approach is that exposure in the area of the renal pedicle is excellent. A vertical midline incision is easier and quicker to perform. It also allows better access for inspection of the remainder of the abdominal contents.
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The ECS allows a turbine to dance with the wind by continuously adjusting rotor speed and blade pitch. The Uprise system converts the variable speed input of the wind into a constant speed output, enabling the use of an off-the-shelf synchronous generator.