The complaint states during tha for oa on november 24th, the surgeon could not remove the inserter from the cup after impacting the cup although the connection between all the trial cups and the inserter had been checked before the surgery.It was reported that they could remove the devices in the pre-op inspection even though the devices were tightened.The surgeon replaced the reported cup with a multi hole cup and completed the surgery with a 25-minute delay.There was no harm to the patient.The investigation confirmed that the end part of the macs inserter was stuck in the returned cup.In an attempt to solve the issue of the cup sticking to the adaptor the testing of prototype designs created under (b)(4) took place, and research and development report l740 was created.The testing showed that the prototype designs reduced the frequency of locking between the cup and adaptor during testing, but did not eliminate the fundamental cause of sticking.Other designs of introducers have the same issue of sticking.The complaint shall be closed with a justified conclusion; entered into the complaints database and monitored through trend analysis.If further information is received the complaint shall be reopened and investigated further.Depuy still considers the investigation closed at this time.Should additional information be received, the information will be reviewed and the investigation will be re-opened as necessary.
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