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 has not been able to investigate or verify prior to the required reporting date.This report does not reflect a conclusion by fda, depuy synthes 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.Additional narrative: product complaint (b)(4).Investigation summary : the complaint states: ¿the multi pressure vacuum pump (b)(4).And the air line(b)(4).Were connected to the smart mix bowl empty(b)(4).And used for mixing the cement (manufactured by zimmer) during tka surgery on (b)(6) 2019.It was reported that the cement was lumped up due to inadequate cement stirring and the issue occurred 2 times in a row.The surgery was completed and there was no adverse consequence to the patient.¿ the products were not received for examination.There is not enough information provided in the complaint description to determine the root cause.This investigation cannot comment on the behaviour of competitor cement in combination with the products in this complaint.No information received with this individual complaint indicated that a broader investigation or corrective action was necessary.The number of complaints received for this failure mode will continue to be monitored and product updates/ recommendations will be implemented at the post market surveillance review dependent upon occurrence ratings.Depuy synthes considers the investigation closed at this time.Should additional information be received, the information will be reviewed and the investigation may be re-opened as required.If information is obtained that was not available for the initial medwatch, a follow-up medwatch, a follow-up medwatch will be filed as appropriate.
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