Pentax medical was made aware of a complaint on 20mar2019 reporting that during an endoscopic ultrasound (eus) procedure for a cyst drainage the physician observed the sheath moving off the track of the elevator to the right side involving pentax medical video gastroscope ultrasound-linear array model eg-3870utk, serial number (b)(4).The physician had the needle at zero then inserted into the biopsy channel.He then luer locked the needle onto the scope, took the sheath out to 1.5, and we could not see the sheath in the ultrasound and optic image.He took the sheath back to zero then pulled the entire scope out.The entire needle was taken out of the channel and started over on a towel to reproduce this and the same outcome happened every time.This was attempted three times and the physician had to abort the case all together.No serious injury or death of a patient or user, or delay in the procedure which would require medical intervention was reported by the user.On 29mar2019, pentax medical customer service issued rma # (b)(4) for the return of the unit for further evaluation.The unit was returned to pentax medical on 15apr2019.Currently pending evaluation.
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