Patient demographics (age at time of event, date of birth, gender, weight) were requested but not provided.No further patient information was provided at the time of this report or made available in response to follow-up communication.No additional adverse consequences have been reported from this event.This device is used for treatment.Complaint not confirmed.No problems found.The returned ar-6475 was run with lab tubing set at varying pressures.Pump ran for an approximate 20 mins with no issues.The returned ar-6410 tubing set was functioned tested with the returned ar-6475 pump.The tubing failed due to a collapsed bladder/sleeve.Device history record review revealed nothing relevant to this event.Based on the information provided (and device evaluation), the most likely cause(s) of this type of event is or procedures related to the set-up of the device and tubing did not conform to instructions provided.The labeling for the device and associated tubing, instruction manual for the pump and troubleshooting guide for the device clearly outline the proper set-up procedure and sufficiently warn the user of the potential consequences (extravasation) if instructions for use are not followed.On the tubing package, there is a label instructing the user as follows: warning: do not reconnect tubing for any reason.Reconnecting tubing that was disconnected may cause pump pressure monitoring system errors which may cause extravasation that could result in serious patient injury.In addition to equipment set-up, the operative joint capsule may have already been compromised from prior (pre-operative) injury or trauma.Also, incorrect pressure settings or inter-operative compromising of the joint capsule from other instrumentation could lead to such an event.This is the first complaint of this type for this part/serial number combination.The potential cause(s) of this event will be communicated to the event reporter.If additional relevant information is received, a follow-up report will be submitted.
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It was reported that during a knee arthroscopy procedure on (b)(6) 2016, the pump started to pump really fast.It immediately started to expand the knee.This occurred at the beginning of the case.The pump setting was 40.No alarms or error messages were received during use.A clamp test was performed.The tubing used with the pump was ar-6410, lot unknown.The same tubing was not connected, disconnected and reconnected.Once the excess fluid was noticed the tubing was changed to see if that was the issue.It was never re-applied to the joint.It was tested with the clamp and ran open into a bowl.The pump continued to run at a high rate.The pump was not used to complete the procedure.The surgeon removed the fluid from the patient's knee by performing a fasciotomy.The patient was kept overnight due to the excess fluid.The patient was discharged (b)(6) 2016.
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