510 (k) number; k160229.(b)(4).(b)(6).Lab evaluation: the device related to this occurrence underwent a laboratory evaluation on 11/07/2018.The device was evaluated & when dismantling the handle the needle broke.There was crumpling of the sheath and needle found within the sheath extender.This would have caused the difference in sheath length detailed in the complaint.Document review: prior to distribution, all echo-hd-25-ebus-o devices are subjected to functional checks and visual inspection to ensure device integrity.These inspections and functional checks are outlined in internal procedures in place at cirl.Ifu review: the notes section of the instructions for use, ifu0051-7, which accompanies this device instructs the user to inspect the device prior to use for any damage: "visually inspect with particular attention to kinks, bends and breaks.If an abnormality is detected that would prohibit proper working condition, do not use" and "this device is intended for use with an olympus ebus scope".There is evidence to suggest that the customer did not follow the instructions for use (ifu0051-7) with relation to the scope compatibility.Root cause review: a definitive root cause for the customer complaint could not be determined as circumstances of use cannot be replicated in the laboratory.A possible cause could be attributed to the device being used in a flexed or twisted position during the procedure or tortuous anatomy as these were noted as unknown in the additional information.A further possible root cause could be attributed to the type of scope used as it was outside the scope of the ifu summary: complaint is confirmed as the failure was verified in the laboratory.According to the initial reporter, the patient did not experience any adverse effects due to this occurrence.Complaints of this nature will continue to be monitored for potential emerging trends.
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