A female patient with a first balloon placement of (b)(6) 2018, a failed second balloon placement on (b)(6) 2018, due to the patient biting the catheter during administration, received another second balloon placement procedure on (b)(6) 2018.The balloon capsule was swallowed and inflated during this balloon placement, however, after balloon inflation, the balloon pressure began decreasing.The last observed balloon pressure on the ezfill dispenser prior to catheter ejection was 8.8 kpa which is outside of the labeled balloon inflation pressure range.Representatives from obalon recommended that the physician remove the balloon endoscopically according to the labeling.The catheter was returned to obalon for investigation.A patient x-ray was performed on (b)(6) 2018 during the third balloon placement that indicated all three balloons were inflated.On (b)(6) 2018, the physician communicated to obalon that they decided to leave the second balloon implanted and monitor the patient via x-ray.The patient was scheduled for a two-week follow-up, however was unable to make the appointment.During a one-month follow-up by phone with the prescribing physician, the patient was doing well and had no hunger symptoms.The patient is scheduled for an appointment during the week of (b)(6) 2018 and x-ray is planned to be performed.To date, the balloon has not been removed and no patient injury has been reported.
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Additional information: all three balloons were visualized as inflated via endoscopy during the scheduled removal on (b)(6) 2018.No balloons were deflated and all were successfully removed.Additionally, there were no patient side effects, the stomach and esophagus were healthy, and the patient lost 41 lbs.The balloons were returned to obalon for investigation on august 9, 2018 and inspected on august 13, 2018.The balloon which had been underinflated to 8.8 kpa was visually inspected as normal and the balloon volume was within specification.
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