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As reported, prior to use during an embryo transfer, a stain described as black spots was noted inside the tip of a guardia access embryo transfer catheter.No fluid had entered the catheter at the time the stain was noticed.Another device was used to complete the difficult procedure.There were no adverse effects to the patient.
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Event summary: as reported, prior to use during an embryo transfer, a stain described as black spots was noted inside the tip of a guardia access embryo transfer catheter.No fluid had entered the catheter at the time the stain was noticed.Another device was used to complete the difficult procedure.There were no adverse effects to the patient.Investigation ¿ evaluation: a visual inspection of the returned device was conducted.A document-based investigation was also performed including a review of complaint history, device history record, drawing, the instructions for use, manufacturing instructions, and quality control data.The guide catheter and transfer catheter were returned assembled inside the open inner pouch.An unknown substance was visible inside the clear tubing of the transfer catheter.No black spots were noted, however, under backlight the substance appeared dark.During additional inspection, the clear tubing was removed from the metal cannula.The entire length of the tubing was visually inspected.No further anomalies were noted other than those from the initial device failure analysis.The device was later cut lengthwise to access the substance.The area of tubing with the stain was wiped, sprayed with alcohol.No substance came off onto the paper towel.A document-based investigation evaluation was performed.One potentially related nonconformance was recorded; the affected device was scrapped and not replaced.There have been no other reported complaints for this lot number.The device history record review provides objective evidence that the device was manufactured to specification.There is no evidence of nonconforming devices from the complaint lot in house or in the field.The instructions for use (ifu), provides the following information to the user related to the reported failure mode: note: one cell mea tested and passed with 80% or greater blastocyst development within 96 hrs.Usp endotoxin (lal) tested and passed with 20 eu or less per device.How supplied : supplied sterilized by ethylene oxide gas in peel-open packages.Intended for one-time use.Sterile if package is unopened and undamaged.Do not use the product if there is doubt as to whether the product is sterile store in a dark, dry, cool place.Avoid extended exposure to light.Upon removal from the package, inspect the product to ensure no damage has occurred.Review of manufacturing documents confirmed the only substances used during the manufacturing process would likely not result in the inconsistencies noted.The devices are 100% visually inspected for debris, flaws and kinks in materials prior to distribution.Based on the available information, it is most likely the inconsistencies in the material are related to tubing material imperfections rather than a foreign substance.A root cause of the issue could not be determined.Per the quality engineering risk assessment, no further action is warranted.Cook medical will continue to monitor this device via the complaints database for similar complaints.This report is required by the fda under 21 cfr part 803.This report is based on unconfirmed information submitted by others.Neither the submission of this report nor any statement made in it is intended to be an admission that any cook device is defective or malfunctioned; that a death or serious injury occurred; or that any cook device caused or contributed to; or is likely to cause or contribute to a death or serious injury if a malfunction occurred.
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