Drive devilbiss healthcare is the initial importer of the device which is a rollator.We are filing this report in an overabundance of caution sue to a mdr regression analysis.The end-user was on the steps of a swimming pool while sitting on the device.The right front wheel reportedly fell off causing him to hit his head.He received minor abrasions as well.The device was received for evaluation.It showed normal usage.The brakes on each side were conforming.The front left wheel was detached from the unit.The front axle bolt was delivered with no damaged and signs of stripped threads.The threads inside the fork, however, show minimal damage to the threads.The root cause may be attributed to these damage threads from assembly, causing the axle bolt to detach from the unit during vibrations over time.The unit is defective historical data for complaints of the same nature was reviewed and found very limited reporting which shows no trend.
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