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Model Number INCISIVE CT |
Device Problem
Detachment of Device or Device Component (2907)
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Patient Problem
No Clinical Signs, Symptoms or Conditions (4582)
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Event Date 03/30/2023 |
Event Type
malfunction
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Manufacturer Narrative
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Note: we have not completed our investigation of this event.We will file a follow-up emdr at the completion of the investigation.Internal cross reference: complaint pr (b)(4).
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Event Description
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The issue reported was during a patient procedure, the heat exchanger came loose/detached within the gantry causing damage internally.There was no report of harm.If this issue were to recur where the heat exchanger were to come loose and be expelled through the gantry, there is potential for death or serious injury.Based on the available information, this issue has been determined to be a reportable event.This event is currently under investigation.
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Event Description
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The issue reported was during a patient procedure, the heat exchanger came loose/detached within the gantry causing damage internally.There was no report of harm.If this issue were to recur where the heat exchanger were to come loose and be expelled through the gantry, there is potential for death or serious injury.Based on the available information, this issue has been determined to be a reportable event.
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Manufacturer Narrative
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The issue reported was during a patient procedure, the heat exchanger came loose/detached within the gantry causing damage internally.Patient was then transferred to another ct system to complete the study.There was no harm to a patient, operator or bystander reported.The philips field service engineer (fse) went to the site and evaluated the system.The x-ray tube heat exchanger was found detached from the heat exchanger box which was attached to the spinning rotor.This resulted in a collision of the heat exchanger with internal gantry components.Cooling fluid leaded due to the collision, however, was contained within the gantry covers.A piece of broken cooling fan housing was expelled out of the gantry and fell on the floor, the weight was measured as 45.8g.The system was replaced at the customer site and returned to the customer for clinical use.All available information and failed part were sent to philips engineering for investigation which concluded: the welding of the heat exchanger box was broken.A mechanical analysis indicated a welding quality issue.Furthermore, it was identified that the heat exchanger box supplied (which is supplied by a 2nd tier supplier) utilized an intermittent welding process.Therefore, the probable cause of the issue is insufficient welding process control by the 2nd tier supplier.Internal cross reference: complaint (b)(4).
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