Update to d2.Reported event: it was reported ¿ during a mako clinical trial adverse event data report it was found that a patient had a hematoma.Update 31/march/2020 wg: as reported in adverse consequences details: surgery for evacuation of a hematoma¿ product evaluation and results: review of the case session files was not performed as case session data was not provided.Product history review: review of the device history records was not completed as the robot number was not provided.Complaint history review: a search of the complaint database under device identification pn 209999 reports no similar complaints for tka software - other.Additionally there were no device specific failure modes were identified.Conclusions: the exact cause of the event could not be determined because insufficient information was provided.Additional information including device details, operative reports, progress notes, x-rays, return of the device and case session data/logs are needed to fully investigate the event.If further information becomes available or the product is returned, this investigation will be re-opened.H3 other text : device not returned.
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