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This case was reviewed and investigated according to the manufacture¿s policy.It was reported during a diagnostic coronary procedure, inside the body, before normalization, the device was not recognized, no signal.Visual and microscopic inspection were performed on the returned device.The sensor was missing from the device.The probable cause for the separation could not be determined by the investigation.The manufacturing documentation for this device was reviewed and the device met all quality and manufacturing release criteria.This product problem is being submitted because it could not be determined when the sensor separated from the manufacture¿s device.There is a potential for harm if the malfunction were to recur.
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