The MD6 System is a family of instruments well suited for a variety of vascular diagnostic testing. It allows you to perform complete peripheral vascular exams while also being small enough to take between offices, departments and throughout your facility. The MD6 System's four primary components are separate and compatible so the system can be scaled to meet your needs. The four primary components are: The MD6 Doppler which weighs only 9 ounces and easily fits into your pocket. The MD6 can be used with the MD6VR chart recorder or stand alone as it's own handheld doppler. The MD6RP Photo Plethysmograph that also connects to the MD6VR Chart Recorder to provide high quality photo plethysmographic waveforms. The MD6PN Pneumo Plethysmograph that also connects to the MD6VR Chart Recorder for taking Pulse volume recordings (PVR’s). The MD6VR Chart Recorder which allows for real time waveform recording from the MD6 Doppler, MD6RP Photo Plethysmograph and the MD6PN Pneumo Plethysmograph.