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(b)(4).No actual or representative sample was returned for investigation.Only a photograph was provided.Therefore, the complaint investigation is based on document review and the photograph provided.From the complaint description, it was reported that guide wire has poked through the silicone material of the catheter making it defective.However, from the photograph provided, it could not be observed clearly if the stylet wire protruded the catheter to indicate the evidence of the failure.A protruded stylet wire most likely to happened when it was not inserted fully to the tip of the catheter.However, the stylet wire can be removed and re-inserted into the catheter without any issue.Review of the manufacturing process, upon completion of inspection and cleaning process, the catheter will be assembled with stylet wire and pack into an inner bag.Each catheter will be inspected for such defect as to ensure no protruded stylet wire was shipped to the customers.With reference to product ifu, the indication and guideline for product and stylet wire inspection is also included to prevent such incident.In conclusion, based on the photograph provided, it could not be observed clearly that the guide wire was protruded from the drainage eye of the catheter.Protruded stylet/guide wire most likely to occur when it was not inserted correctly, or the tube was bended or curved.However, further investigation could not be conducted to determine the actual root cause of the phenomena experienced by user as no sample was returned.Therefore, this complaint could not be confirmed.
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