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The bellavista 1000/1000e ventilator is intended to provide positive pressure ventilatory support to adult and pediatric patients and optionally infant and neonatal patients by qualified, trained personnel under the direction of a physician.

Environment of use: hospitals, sub-acute care facilities and intra-hospital transfer

When used on neonatal patients: The environment of use is the Neonatal Intensive Care Unit (NICU).

bellavista is an electronically controlled pneumatic ventilation system. It is powered by AC or DC and also provided with an internal battery. The bellavista pneumatic system supplies respiratory gas whilst the electrical systems control the pneumatics and provides the power supply.

The user can enter values or parameters in the bellavista via the touch screen. These inputs entail instructions for bellavista's pneumatic system to ventilate the patient with a precisely controlled gas mixture. bellavista gathers readings from the proximal flow sensor within the ventilator.

I am sorry, but the provided text does not contain the information required to answer your request. The document is an FDA 510(k) clearance letter and summary for a medical device (ventilator). It describes the device, its intended use, a comparison to predicate devices, and the basis for substantial equivalence.

However, it does not include details about acceptance criteria, specific device performance numerical results, sample sizes for test or training sets, data provenance, expert qualifications, ground truth establishment, or any details about a multi-reader multi-case (MRMC) study or standalone algorithm performance, as these are typically part of a clinical validation study and not usually found in a 510(k) summary for a ventilator.

The document discusses the ventilatory support capabilities and patient populations for which the device is intended, but not the kind of detailed performance metrics usually required for AI/algorithm-based diagnostic devices.

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