Date of event: unknown.The date received by manufacturer has been used as a default.Medical device expiration date: unknown.Device manufacture date: unknown.Investigation summary: no samples were received for investigation of complaint reference (b)(4) reported via post market survey; however the customer has indicated that an occlusion was identified during use of a bd maxzero¿ needle-free connector.No further information was available to assist the investigation in this instance.The details of this feedback were forwarded to the manufacturing site for investigation.In this instance a lot number was not available and therefore it is not possible to perform a review of the production documentation for this particular product.The root cause of the customer¿s experience could not be determined as the sample was not available for investigation.In this instance, without a sample, it is not possible to determine whether a manufacturing defect could have caused or contributed to the customer¿s experience.A review of the customer feedback database indicates that this is a rare occurrence with a small number of similar reports against the mz1000 product in the past 12 months.
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