The reason for this revision surgery is due to a dislocation.The previous surgery and the revision detailed in this investigation occurred 2.8 months apart.There is no information in this complaint about any patient injuries, activities, or accidents that may have contributed to the need for this revision surgery.There are no reported pre-existing patient health conditions.The healthcare professional indicated there was no delay in surgery and another suitable device was available for use.The revision surgery was completed as intended.The device was disposed of at the hospital and not made available to djo surgical for examination.A review of the implant device history records (dhr) shows that the reported component used in the previous surgery met design and manufacturing requirements.There was a non-conforming material report (ncmr) # (b)(4) associated with the part 530-10-108, altivate reverse, humeral stem, size 10mm standard which documents a nonconformance that out 15 quantity lot 1 item was scraped due to blasting in porous coating.All remaining items in the lot met the fit, design and functional requirements.The device was within its expiration date at the time of use during the previous surgery.Customer complaint history of the reported device showed no present trends or on-going issues that are in need of review.The root cause of this complaint was a revision surgery due to the dislocation.There were no findings during this investigation that indicate that the reported device was the source or had a direct connection with the patient's dislocation.There are multiple factors that may contribute to the event that are outside the control of djo surgical such as: patient activities, inadequate soft tissue support, excessive range of motion, patient bone deterioration or trauma.Agent has clearly mentioned that the patient was non-compliant with post-operative care and kept dislocating, it implies that the event had occurred due to the patient being non-compliant with post-operative instructions.Inventory containment is not required as there are no indications of a product or process issue affecting implant safety or effectiveness.
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