It was reported that the procedure was to treat a right coronary artery.A 3.5x20mm trek balloon was not air aspirated outside the anatomy prior to use.The balloon was then advanced to the lesion and inflated twice (first time 16atmospheres (atm) and second time 20atm) without issue.The balloon was held negative for 10 seconds to deflate, however it could only be partially deflated and got stuck in the patient's vessel during pulling back of the device.The distal shaft tore off.Two hours of unsuccessful attempts were made to retrieve the separated portion, when it was decided to transfer the patient to another hospital for surgical intervention.Once at the other hospital, the separated shaft was able to be retrieved via biceps forceps and balloon trapping.Surgical intervention was not required.A clinically significant delay was reported.No additional information was provided.
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The device was not returned for evaluation.A review of the lot history record identified no manufacturing nonconformities issued to the reported lot that would have contributed to this event.Additionally, a review of the complaint history of the reported lot did not indicate a lot specific quality issue.It was reported that the device was prepped inside the anatomy.It should be noted that the coronary dilatation catheters (cdc), trek rx and mini trek rx, global instructions for use specifies: all air must be removed from the balloon and displaced with contrast prior to inserting into the body, otherwise, complications may occur.In this case, it is unknown if the ifu violation caused or contributed to the reported complaint.The investigation was unable to determine a conclusive cause for the reported deflation issues.However, factors that may contribute to difficulty deflating the catheter may include, but are not limited to, manufacturing, deflation/inflation technique, loose connection with the indeflator, contamination in the inflation lumen or damage to the guide wire and/or inflation lumen.The reported entrapment of device, separation, foreign body removal, delay to treatment/therapy, unexpected medical intervention and hospitalization appear to be related to circumstances of the procedure.There is no indication of a product quality issue with respects to the design, manufacture, or labeling of the device.Device status changed from returning to not returned.
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