Photograph of the PReVentS Ventilator Splitting Design. Two

Download scientific diagram | Photograph of the PReVentS Ventilator Splitting Design. Two patients are simulated in this setup. Four pressure-gated inline valves, derived from PEEP valves for bag-valve-mask assemblies, are in the two-patient circuit. Two inspiratory valves control PIP to the two patients. Two expiratory valves control PEEP to the two patients. A "Bias Flow" circuit provides a bypass flow path parallel to the two patient paths to prevent automated ventilator alarming due to high circuit resistance, an artifact which is intrinsic to the placing of in-line pressuregated valves. It should be noted that this bypass circumvents a set of alarms which clinicians may be used to relying on during patient care (see below). Components (see Figure 2): -2 sets of standard ventilator tubing set (Vyaire Medical #1793 or similar) -6 standard T-pieces for ventilator tubing (Hudson RCI #1077 or similar) -7 in-line check-valves (one-way valve) (Hudson RCI #1664 or similar) -2 HME/viral and bacterial filters (ARC Medical Inc. #6000SA or similar) -12 ventilator tubing connector cuffs (Hudson RCI 1421 or similar) -One segment of ventilator tubing for bias flow -Optional: 2 in-line spirometers (e.g. part # 910004, Medical International Research) -Parts for modification to create the in-line pressure-gated valve (see Figs 3, 4 below): from publication: Pressure-Regulated Ventilator Splitting (PReVentS): A COVID-19 Response Paradigm from Yale University | In the current COVID-19 crisis, the US and many countries in the world are suffering acute shortages of modern ventilators to care for desperately ill patients. Since modern ICU ventilators are powerful devices that can deliver very high gas flow rates and pressures, multiple | Ventilation, Lung Compliance and Tidal Volume | ResearchGate, the professional network for scientists.

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Photograph of the PReVentS Ventilator Splitting Design. Two patients

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Photograph of the PReVentS Ventilator Splitting Design. Two patients

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Schematic of PReVentS Ventilator Splitting design. Locations of