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The customer reported that the replacement butterfly needles are difficult to use; after phlebotomists connect the holder and begin the draw, the vacutainer tubes do not stay very well in the holder, blood flow is very slow, and some said that they feel resistance from the vaccum and tube will pop out from the assembly, which led to multiple hemolyzed specimens and/or redraws of patients.At this time, a sample(s) was not received for investigation; investigation included review of recent complaint trends/scar activity for the last three trend reports, and per vendor, through internal investigation, including dhr review and inspection records review, no abnormalities were found.The complaint was not confirmed, and without the sample or picture, it is difficult to truly identify the root cause of the issue.No trends were identified for the specified material number and its corresponding defect type, and the division will continue to monitor trends.There were no reports of death, serious injury, medical intervention, or follow up care.It has been determined that the reported event could cause or contribute to serious injury if it were to occur again.In an abundance of caution, this is a reportable event.If additional information becomes available this report will be reopened and reevaluated.This medical device report (mdr) is being submitted as part of retrospective review activities, which include review of historical data in accordance with regulations at 21 cfr part 803.The information included in this mdr reflects the information reasonably known to the manufacturer at the time of this retrospective review and submission.
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