(b)(4).No complaint sample was returned by the customer; however, the customer provided a photo displaying a hemodialysis set.A dimensional and functional inspection could not be performed as no sample was returned for analysis.Customer did not supply a lot number, however, a sales history review revealed potential lot numbers.A device history record review was performed on the catheter for the most likely batch number and no relevant findings were identified.The customer complaint indicated that the extension line luer hub was cracked.A photo was provided by the customer, however; no defect was verified based upon the photo received.The probable cause of the cracked luer hub could not be determined based upon the information provided and without a sample.No further action will be taken.Corrective action is not required at this time.The ifu provided with the set warns that indwelling catheters should be routinely inspected for desired flow rate, security of dressing, correct catheter position, and for secure luer-lock connection.It also states not to use acetone or alcohol with this catheter.Alcohol and acetone can weaken the structure of the catheter's material.
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