?:definition
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Programmer/testers designed for noninvasively testing and/or changing the operating parameters (i.e., programming) of an implanted cardiac circulatory assist unit (e.g., ventricular assist device). These devices typically consist of a computerized unit that interacts with the implanted circulatory assist unit and/or the unit\'s controller, sending programming signals to the pump/controller and receiving status information from them. Implantable cardiac circulatory assist unit programmer/testers are typically appropriate for use with a particular type of cardiac circulatory assist unit.
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