I guess you are talking about: introduce the use of medical equipment, do medical training and technical support for sales staff. Train the customer's operators as soon as possible to master the medical principles of the equipment, the use of methods. Such as diagnostic reagents equipment calibration methods, the use of standardized products. Should be familiar with medical equipment medical principles and treatment principles. As well as the simple use of maintenance and repair methods. This type of personnel some companies called clinical application specialists (experts).
Another, equipment maintenance and repair. These personnel are generally called maintenance engineers.