Medical Simulation Technologies (MST) is a company that develops and implements medical simulators for the education of medical personnel. It provides a transesophageal echocardiography (TEE) simulator that gives a realistic feeling of the probe operation in a patient. It addition to TEE probe simulator hardware, the company provides software based on a three-dimensional dataset obtained from computed tomography (CT) scanning of a real patient. The TEE simulator is suitable for training students, residents, cardiologists, anesthetists, and intensive care specialists.