Submission of a report does not constitute an admission that medical personnel, user facility, importer, distributor, manufacturer, or product caused or contributed to the event.The customer biomedical engineer evaluated the device.
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A customer reported that the device disarmed without delivering a shock during a resuscitation attempt.This event will be submitted as a serious injury because another device was used to continue a resuscitation attempt.The customer reported that the machine disarmed without initiating a shock approximately four to six times during a defibrillation attempt on a patient in ventricular tachycardia.Another device was brought in while cpr was in progress.The customer reported that the patient was alert and responsive after a shock was delivered.The customer biomedical engineer evaluated the device.No recent errors were found in the error log.The repair history showed no recent repairs subsequent to not delivering a shock.The device passed performance verification, visual inspection, functional, diagnostic, safety, and battery capacity tests.The customer biomedical engineer also performed multiple shocks into an analyzer while on battery power with pads and paddles.All shocks registered and were in acceptable ranges.The customer did not request an evaluation from a philips field service engineer (fse).Philips requested but did not receive additional information from the customer.Philips was not able to confirm the reported malfunction.Because the problem could not be recreated, the cause cannot be determined.The device remains in service at the customer site.The information gathered for this report does not indicate a systemic, design, or labeling problem.No further investigation or action is warranted.
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