The invention relates to a method for operating an instrument (30) for use in high-frequency surgery that is connected to at least one device (10) for performing high-frequency surgery. According to the method, operational data of the device (10) is recorded at least during the first use of the instrument (30) that is connected to the device. The operational data is sent to a storage device (33), which is connected to the instrument (30) and in which the operational data is stored. The operational data is sent to a data acquisition device during a resumed or additional use and/or when testing the instrument. The device (10) is set, according to the operational data, during the first use such that the instruments (3) can be operated in the same manner as during the first use and/or the operational data can be evaluated in order to test the instrument (30).
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