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(b)(4).The complaint has not been confirmed, the reporter attempted to rescind the complaint, therefore consequences and problem codes have not been verified and are being entered as unknown.To be conservative this alleged incident is being reported by the manufacturer.The event is currently under investigation.
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Investigation - evaluation: a review of the complaint history, device history record, instructions for use (ifu), manufacturing instructions, trends, and quality control was conducted during the investigation.The complaint device was not returned therefore, no physical examinations could be performed; however, a document based investigation evaluation was performed.There is no evidence to suggest the product was not made to specifications.Review of device history record shows there were no non-conforming events.The device is shipped with an instruction for use (ifu) that describes the intended use.Specific items addressed include: "before withdrawing the sheath through tortuous anatomy, insert the introducer dilator to avoid possible breakage.The maximum diameter of the instrument or catheter to be introduced should be determined to ensure its passage through the introducer.All instruments or catheters used with this product should move freely through the valve and sheath.Damage to the valve/ introducer may result when the fit is tight.When puncturing, suturing or incising the tissue near the introducer, use caution to avoid damaging the introducer.Do not attempt to insert or withdraw the wire guide and/or introducer if resistance is felt.Withdraw the sheath and dilator as a unit.Upon removal from package, inspect the product to ensure no damage has occurred." based on the available information and the results of the investigation, a definitive root cause to the reported event could not be conclusively determined.Multiple attempts were made to gather additional information concerning this report however, a response from the customer has not been received.Cook will submit a supplemental report in accordance with 21 cfr section 803.56 if additional information becomes available.We will continue to monitor for similar complaints.
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