Respironics BiPAP S/T-D 30
The BiPAP S/T is a low-pressure, electrically driven ventilation system with electronic pressure control. The unit’s pressure controls are adjusted to deliver pressure support for patient ventilatory assistance.
The BiPAP S/T System is primarily intended to augment patient ventilation by supplying pressurized air through a patient circuit. It senses the patient’s breathing effort by monitoring airflow in the patient circuit and adjusts its output to assist in inhalation or exhalation. This assistance is provided by the administration of two levels of positive pressure. During exhalation, pressure is variably positive or near ambient. The inspiratory level is variably positive and is always higher than the expiratory level.
The Respironics BiPAP S/T System responds to changes in patient flow rates that indicate movement to inhalation and exhalation. It can perform reliably in sensing the patient’s breathing efforts, even with the presence of most leaks in the patient circuit. Automatic adjustment of the trigger threshold in the presence of leaks make the System ideal for mask-applied ventilation assistance.
The BiPAP S/T senses air flow in the patient circuit by using a flow transducer in conjunction with the patient air outlet. The flow signal is composed of flow into the patient’s lungs and flow due to leaks in the patient circuit. This flow data is continually processed and adjustments are automatically made to trigger thresholds. The adjustments provide high sensitivity to inspiratory effort and rapid adjustment for changing leaks while minimizing inspiratory pressure lockup or auto-triggering.
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