Lumenis cannot rule out that the fiber tip had broken off in the patient's anatomy, and in an abundance of caution lumenis is reporting this event.A search of the complaint database revealed that no other complaints exist for the specified lot.A review of system risk files revealed the following three risks of fibers breaking inside body: risk #1 (b)(4) triggered by "user damages fiber external surface during operation" has the potential to lead to prolonged procedure, equipment damage, patient/user/staff injury.Risk #2 (b)(4) triggered by "fiber is damaged during shipment" has the potential to lead to prolonged procedure, equipment damage, patient/user/staff injury.Risk #3 (b)(4) triggered by "user error (e.G.Excess energy) causes mechanical damage to fiber" has the potential to lead to prolonged procedure, equipment damage, patient/user/staff injury.In each of the aforementioned; the risk has been quantified and found to be negligibly small, and the risk has been characterized and documented as acceptable within full risk assessment.No corrective action or remedial actions were deemed necessary.The procedure was completed normally with no harm caused to the patient as a result of this event.Device was discarded by the user and will not be returned for analysis; therefore a failure analysis of the complaint device could not be completed.Should additional relevant details become available; a supplemental report will be submitted.
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On 06-feb-2019 lumenis received a user submitted medwatch report (ref: mw5082896) in which the event description reads: during cystoscopy with right-sided stent exchange, laser lithotripsy, and stone basket extraction - laser fiber of distal portion of the fiber became loose.Able to be taken out through penis without any identification of pieces left within the urethra.
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