Reference (b)(4).Investigation: initiated manufacturer's investigation, no sample returned, review dhr.Analysis and findings: a dhr review was not possible as the lot number was not provided for review.The complaint condition will be confirmed based on the pictures provided, however, a root cause analysis is not currently possible without the unit.It is mentioned in the complaint that the unit was discarded by customer after the surgical procedure.Should the unit arrive in the future, any pertinent information will be added to the complaint file.A 2 year complaint history for the product was reviewed and there were no other occurrences for any broken cannula.During review of previous complaints within the same product family, a complaint (b)(4) for a broken cannula was found for p/n 900-846.However, for complaint (b)(4), it was apparent that the tray was crushed, causing the cannula to break and was deemed not a manufacturing issue.Unit was not returned for investigation, therefore the root cause cannot be determined.Although a dhr review was no possible, a shipment report was generated that lists previously shipped p/n 900-820 to the customer.The three most recent dhrs were reviewed (dhrs pertaining to lots 239629, 246809, 230400) and found that there were no non-conformances that relate to the complaint condition of a broken/deficient cannula.Correction and/or corrective action: no product was returned for root cause analysis.If product is returned in the future, pertinent information will be added to the complaint file.Complaint condition will be monitored for trending.None reason: per the ufmea ((b)(4)) the rpn number associated with balloon breakage is at 72, and is not subject to further review and analysis per sop-eng-322.No product returned for analysis.Was the complaint confirmed? yes.Preventative action activity: coopersurgical will continue to monitor this complaint condition for any trends.
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