No reported patient or surgical involvement.Exact date of device breakage is unknown.(b)(4).Device is an instrument and is not implanted or explanted.Per facility, the complainant part has been discarded and is not available for evaluation.Investigation could not be completed and no conclusion could be drawn as no device was returned.Without a lot number, the device history record review could not be requested.Device used for treatment, not diagnosis.If information is obtained that was not available for the initial medwatch, a follow-up medwatch will be filed as appropriate.
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