The instrument associated with this report was not returned for examination.Based on the provided problem description the root cause may be design related.Previous investigations found design is attributed to the handles cracking; (b)(4) was implemented on january 3, 2008 to change the material from radel to aluminum.The vendor date code j1105 indicates the instrument was manufactured in november 2005 and is over 8 years old, made prior to these changes.Recently, (b)(4) was implemented that further changed the material from aluminum to overmoulded silicon.Further corrective action is not indicated.Depuy considers the investigation closed.Should additional information be received, the information will be reviewed and the investigation will be re-opened as necessary.
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