Dale Improved Femoral Popliteal Anastomosis ClampDDP Elite USA Dale Improved Femoral Popliteal Anastomosis clamp is ideally suited for use in cardiothoracic surgical procedures. This is a highly versatile vascular clamp that can be used in procedures requiring a femoral popliteal anastomosis. Additionally, this clamp can be used when a broken back small vascular clamp is required. This instrument is hand crafted by certified instrument makers to conform to the highest standards in instrumentation.