The customer reported to olympus, during preparation for use, the lock on the front of the bml handle v did not engage.The device was replaced with a similar device and the procedure was completed.The customer also reported that during reprocessing, ultrasonic cleaning was used and did not use autoclave sterilization.There were no reports of patient harm.
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H4: based on the 3 digit lot#, the device was manufactured in july 2021
this report is being supplemented to provide additional information based on the legal manufacturer's final investigation.A review of the device history record found no deviations that could have caused or contributed to the reported issue.Based on the results of the investigation, a definitive root cause of the facility not performing autoclave sterilization on the lithotriptor handle could not be determined, however, the issue was likely due to the user's incorrect understanding of the cleaning, disinfection, sterilization (cds) process.The event may be detected/prevented by following the instructions for use which state:
rk0402 edition no.03
- never use excessive force to operate the instrument.This could damage the instrument
- do not operate any parts with excessive force.This may lead to damage to the product.- this instrument is compatible with 2.0 ¿ 3.5% glutaraldehyde solution.However, routine biological monitoring is not feasible with glutaraldehyde and, therefore, it should not be used to sterilize reusable medical devices that are compatible with other methods of sterilization that can be biologically monitored, such as steam sterilization.- although this product is resistant to 2-3.5% glutaral preparations, we recommend autoclaving (high-pressure steam sterilization) so that the sterilization effect can be confirmed on a daily basis using biological indicators.- place the sealed packages containing the instrument in the autoclave and sterilize in accordance with the conditions listed below.For details on operation of the autoclave, refer to the instruction manual for the autoclave or other manufacturer instructions.- after placing the sterilized pack containing this product into the autoclave device, autoclave it under the following conditions.Other conditions should follow various cleaning and sterilization guidelines and manufacturer's instructions.Olympus will continue to monitor field performance for this device.
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