|
The reason for this revision surgery was due to the patient's discomfort.The previous surgery and the revision detailed in this investigation occurred 5 years 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) # 13842 associated with the part 360-11-508, insert, posterior stabilized series 500 size8 11mm.The non-conforming material report documented a nonconformance that out of 10 quantity lot 1 item was rejected due to multiple scratches greater than 1 micron on condyle's and was scraped.Also, all other 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 patient's discomfort.There were no findings during this investigation that indicate that the reported device was the source or had a direct connection with the event.There are multiple factors that may contribute to the event that are outside the control of djo surgical such as: loose joint from inadequate soft tissue, excessive range-of-motion, weight of the patient, degenerative bone disease, scar tissue, patient activities or trauma.Inventory containment is not required as there are no indications of a product or process issue affecting implant safety or effectiveness.
|