The primary surgery was performed on (b)(6) 2019 via bha.It was reported that the patient was urgently transported to the hospital because of in a state of the bipolar cup (p/n: unknown) and inner head (p/n: 136529000) were locked and disengaged from the stem on (b)(6) 2019.Thus, the revision surgery was performed on the same day by replacing the bipolar cup.The surgery was completed without a surgical delay.After the revision surgery, the x-ray photography immediately after the primary surgery was compared with the current x-ray photography, the x-ray photography immediately after the primary surgery showed that the inner head had not been correctly inserted (it's floating), and it was revealed the surgeon's insertion mistake and confirmation mistake.Dr¿s view: insufficient inner head insertion.Possible cause: insufficient of confirming the installation position after implantation.No further information is available.
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Depuy synthes is submitting this report pursuant to the provisions of 21 cfr, part 803.This report may be based on information which depuy synthes heen able to investigate or verify prior to the required reporting date.This report does not reflect a conclusion by fda, depuy as not bsynthes or its employees that the report constitutes an admission that the device, depuy synthes, or its employees caused or contributed to the potential event described in this report.H10 additional narrative: corrected: h6 product complaint # (b)(4).Investigation summary - no device associated with this report was received for examination.A worldwide complaint database search found no other reported incident(s) against the provided product/lot combination(s) since release for distribution.Based on previous investigations this complication of joint replacement is unlikely to have been the result of a device failing to meet required specifications.The information received will be retained for potential series investigations if triggered by trend analysis, post market surveillance, or other events within the quality system.Corrective action was not indicated.Device history lot - null.Device history batch - null.Device history review - null if information is obtained that was not available for the initial meadwatch, a follow-up medwatch will be filed as appropriate.
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