Hamilton Medical Issues Alert for Anesthesia Ventilator Software Problems

Hamilton Medical notified customers of a malfunction with its HAMILTON-TI ventilators with software versions 1.1.2 and lower in which the correct amount of oxygen may be miscalculated, according to the American Society of Anesthesiologists.

Ventilation of small pediatric patients with high airway resistance and low lung function may trigger the defect, resulting in unexpected high internal oxygen consumption.

The affected devices were manufactured and distributed from February 2012 to December 2012. Hamilton is currently working on a software version to provide reduced oxygen consumption, according to the letter sent to customers.

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