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Additional information was received from the user claiming that within a few months, another comparable case (previous mdr 9611102-2022-00024 / (b)(4)) occurred with a resector from the same batch.In both cases, the inner knife got caught in the window of the outer knife during the rotational movement.Due to the abrupt stop of the inner knife, the load limit was subsequently exceeded and ultimately a section broke off.In both cases, the section could be removed from the patient.The user facility has confirmed later that there was no serious injury for the patient.During the inspection of the resector toothed ø 2mm 899710032, batch # 0608202102 by richard wolf gmbh, it is determined in accordance with test instructions that the section broke off due to using excessive force and pressure on the device.The resector toothed ø 2mm 899710032, batch # 0608202102 was produced on 06/aug/2021, the batch consisted of 22 resectors.In total, 4 resectors were delivered to the customer, last delivery of 2 resectors was on 13/jul/2022.In the review period of 01/jan/2019 and 12/oct/2022, there was no further complaints regarding the resector except the 2 complaints from this user.The ifu ga-a238-us / en / 2020-12 v6.0 / pk20-0352 contains several safety notes of avoiding excessive force in use of the device in section 1.5 general notes and instructions for use and in section 5.4 operation of device.The subject issue of avoiding excessive force in use of the device is present in the risk management file e5-4 - reusable tools, rev.05.The overall probability of occurrence for this issue remains at previously defined levels and overall risk of the device remains in the acceptable category.
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