|GE Healthcare, Aestiva/5 7900 SmartVent", anesthesia machine, GE Healthcare P.O. Box 7550 Madison, WI 53707-7550.
This version of the Datex-Ohmeda 7900 Ventilator is used in Datex-Ohmeda Aestiva/5 Anesthesia Systems. It is a microprocessor based, electronically controlled, pneumatically driven ventilator that provides patient ventilation during surgical procedures. The 7900 ventilator is equipped with a built-in monitoring system for inspired oxygen, airway pressure and exhaled volume. Sensors in the breathing circuit are used to control and monitor patient ventilation as well as measure inspired oxygen concentration. This allows for the compensation of compression losses, fresh gas contribution and small leakage in the breathing absorber, bellows and system. User setting and microprocessor calculations control breathing patterns. User interface keeps settings in memory. The user may change settings with a simple and secure setting sequence. A bellows contains breathing gasses to be delivered to the patient. Positive End Expiratory Pressure (PEEP) is regulated electronically. Positive pressure is maintained in the breathing system so that any leakage that occurs is outward. An RS-232 serial digital communications port connects to and communicates with external devices. Ventilatory modes for the device, include Volume Mode, Pressure Control Mode, Synchronous Intermittent Mandatory Ventilation (optional), Pressure Support with Apnea Backup Ventilation (optional). This device is to be used only by trained and qualified medical professionals
||GE Healthcare has recently become aware of a potential safety issue due to the interlock slide mechanism missing from the 3-vaporizer manifold of your Aestiva 7900 Anesthesia Device. This Potential for two (2) vaporizers delivering agent at the same time. This could manifest as over delivery of a single agent if both vaporizers contain the same agent or as delivery of more than one agent. This may cause prolonged or persistent hypotension requiring medical intervention.
To date, no injury has been reported to GE Healthcare associated with this issue.