(b)(4) summary report: additional information including: date of primary surgery, what are the associated devices, were they revised, how was it identified that the incorrect sized head was implanted were requested.The reporter responded, providing the date of the primary surgery, and details for the associated devices (none were revised).The reporter stated: "it was very noticeable from the x-ray that the head wasn't seated correctly in the liner and then they were able to see from the implant book that they'd used the wrong size.It was user error, the boxes were labelled correctly, there was a mishap with staff checking." the device details were provided and the manufacture records reviewed.The device label was found to show the correct details.The root cause of this event is determined to be user error.This case is now considered closed.Please note: this report is filed with the fda due to an adverse event experienced with a device that is similar to those placed on the market in the usa, however this event occurred outside of the usa.The submission of this report does not constitute an admission that the device, reporting entity, entity's representative or distributor caused or contributed to this event.
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