Method: only the expiratory limb of the complaint rt380 evaqua2 adult breathing circuit was received at fph in (b)(4) for evaluation and was visually inspected.Our investigation is also based on additional information provided by the hospital, our knowledge of the product and previous investigations of similar complaints.Results: visual inspection of the expiratory limb revealed that a section of the tubing was degraded.A lot check could not be performed as no lot information was provided.Conclusion: the hospital reported that the subject rt380 adult breathing circuit had been used for a month and a half.The rt380 adult breathing circuit is intended to be used for a maximum of 14 days as per our user instructions.The degraded expiratory limb was most likely due to excessive use.All rt380 adult dual-heated evaqua2 breathing circuits are visually inspected and pressure and flow tested during production, and those that fail are rejected.The subject rt380 adult breathing circuit would have met the required specifications at the time of production.The user instructions that accompany the rt380 breathing circuit state: this product is intended to be used for a maximum of 14 days.Do not soak, wash, sterilize or reuse this product.Avoid contact with chemicals, cleaning agents or hand sanitizers.Perform a pressure and leak test on the breathing system and check for occlusions before connecting to a patient.Set appropriate ventilator alarms.
|