This supplemental report is being submitted to provide trend analysis and investigation conclusion.The device was not returned for evaluation and (dhr) device history records review could not be conducted as the device lot number is unknown.The reported failure mode had been addressed by the oem (original equipment manufacturer).To remediate tip fracture, a design change in material and geometries of the tips has been implemented.The new tip material has been successfully validated for production release.It is unknown if this complaint device had been through the corrective action since the lot number is unknown.A potential damage to distal tip during use is addressed in the device ifu (instruction for use).As stated on the ifu the user manual states: always keep sheaths parallel to one another when assembling and disassembling.If the inner sheath is inserted or removed at an angle to the outer sheath, the lateral force applied to the inner sheath may crack, loosen, break, or otherwise damage the sheath¿s insulated distal tip.A broken tip, or fragments of a damaged tip, can potentially pass through the outer sheath and into the patient.If drag or resistance is encountered during assembly or disassembly, stop¿align working element and sheath parallel to one another before proceeding." olympus will continue to monitor complaints for this device.
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