Weisman-Pederson Vaginal SpeculumDDP Elite USA Weisman Pederson Vaginal Speculum is a double bladed speculum with a screw mechanism to keep the blades open once inserted into the vaginal canal. The instrument is available in various blade sizes and angles to accommodate a wide range of cases. The speculums are also available with right or left opening to aid the operator in visualization and or procedures in the vaginal canal. Please note that website images are often representative