Date of event: unknown.The date received by manufacturer has been used for this field.(b)(4).Investigation summary: level a investigation - complaint evaluation / complaint history check for the event(s) that occurred.Severity: s_2__; occurrence: a complaint history check was performed and this is the 1st related complaint for dimension and hyperglycemia on lot # 9322380.A review of risk management 150rmn-0001-16 revision 13 indicates that the potential risk of this specific reported incident (syringe, dimension and hyperglycemia) was captured and addressed appropriately.Investigation summary: customer returned five (5) loose 31gx8mm, 0.5ml bd insulin syringes.Consumer reported getting higher glucose readings due to the change of the needle size.All five returned syringes were examined, then tested for cannula length and outer diameter.The following was observed (specs: outer diameter for 31g cannula: 0.0100¿- 0.0105¿): data: cannula length outer diameter (in.) sample 1 good 0.0101.Sample 2 good 0.0101.Sample 3 good 0.0102.Sample 4 good 0.0102.Sample 5 good 0.0102.All five syringes tested within specification.Next, all five syringes were tested for flow: all five syringes were able to draw and expel properly.No evidence of manufacturing defect was observed.Since no defects were observed the alleged issues could not be confirmed.A review of the device history record was completed for batch# 9322380.All inspections and challenges were performed per the applicable operations qc specifications.There was one (1) notification [200862180] noted that did not pertain to the complaint.Investigation conclusion: based on the samples and/or photo(s) received the investigation concluded: unconfirmed: bd was not able to duplicate or confirm the customer¿s indicated failure.Complaints received for this device and reported condition will continue to be tracked and trended.Information will be captured on trend reports and monitored monthly.Our business team regularly reviews the collected data for identification of emerging trends.Root cause description: root cause cannot be determined at this time as the issue is unconfirmed.Rationale: based on the investigation, no additional investigation and no capa is required at this time.
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