Simulated intraoperative vascular ultrasound examinations were conducted with the L15-7io transducer in 7 exams during manufacturer clinical validation testing.Users were satisfied with the performance of the transducers and the EPIQ System.The results were clinically acceptable, and the EPIQ System and transducer met the intended purpose of the system.The feature was tested clinically with the eL18-4 transducer at an external clinical site in 10 exams.