It was reported that during the start of the anesthetic, while the patient was undergoing an esophagogastroduodenoscopy (egd) and a colonoscopy procedure, the inspiration and exploratory channels were not able to communicate due to the green inspiration limb becoming unbonded at one end resulting in patient rebreathing which caused a transient increase in co2 levels.The patient was ventilated with an ambu bag and switched to a new circuit without further incident.The customer reported that there was a one hour delay in the procedure to resolve the issue; however the procedure was able to be completed without further impact or follow up treatment required.General anesthesia was used and the patient was under anesthesia longer than expected.There was no report of any adverse patient consequence and no effect on the patient's stability as a result of the incident or the additional anesthesia.The sample was returned to the manufacturer for evaluation and the root cause was determined to be due to an improperly bonded circuit.Due to the reported incident and in an abundance of caution, this medwatch is being filed.If any further relevant information is identified or obtained, a supplemental medwatch will be submitted.
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