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System Features
• Pulse Range: 0-200 BPM (Cycle or Pulse = Push/Pull)
• Adjustable SYS/DIA Pulse Duration (150-750 ms)
• Adjustable Flow Power (0-100% or 0-6L/min)
• Maximum Output Pressure: ~450 mmHg
• Intuitive Touchscreen Controls (HMI)
• 4 Valved Ports (CPC - PLCD 16006)
• Low Power Rating (20VDC 180W)
Waveform Characterization
Test consisted of the Valvengine connected to a 15L water tank using four 36in-long 3/8in ID rigid PVC hoses.
System cycling at 60 BPM.
Systole (FP:70% PD:400ms)
Diastole (FP:50% PD:300ms)
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System Features
• Pulse Rate: 0-180 BPM (250ms pulse duration)
• Adjustable Flow Power (0-100% or 0-5L/min)
• Built-in 1L Heated Water Reservoir (98.6°F)
• Built-in Live Temperature Monitor
• Maximum Output Pressure: ~450 mmHg
• Travel-Compliant LiFePO4 Battery
• 2 Valved Ports (CPC - PLCD 16006)
• 12V System (Power Supply: 14.6VDC 85W)
Waveform Characterization
Pressure and flow testing was performed with the NOMAD connected in a closed-loop configuration using a 12-inch, 3/8-inch ID rigid PVC circuit (pump outlet to inlet). The reservoir was filled with one liter of water, thermally conditioned to 98.6°F (37°C). The system was operated at 60 BPM and 100% Flow Rate.
Pressure waveform data was acquired using the Vascular-Labs DPM (Digital Pressure Monitor). Flow rate data was collected using a multi-sensor array comprising an analog flow meter, a digital flow sensor, and a high-speed camera.
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