We received notification from a user facility in the (b)(6) of an incident involving the laser module in the stellaris system.The report stated that on low power the system did not provide sufficient laser output, however upon increasing the power, a hole was burnt into the retina.Additional information regarding the patient outcome has been requested and will be be provided when received.
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The laser ultrasound module was received and evaluated.Functional testing found the module met all performance specifications.Damage to the fiber optic patch cable was initially reported but not confirmed during depot evaluation.Additional attempts were made to obtain further clarification of the circumstances of the event but no additional details could be provided.The disposable accessories used during the event were not available for evaluation.A review by the design engineering group found no reliability or performance issues that are related to the event description.As a result, we are unable to determine a root cause for the event.The lot history, trend analysis, risk analysis and/or direction for use review, were considered acceptable with the product performing within anticipated rates.We will continue to monitor complaints and take further action if required.
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