An end user alleged that she developed scarring while using the wisp mask.The end user was treated with antibiotics and a topical ointment.The mask has been discarded and is not available for evaluation.The alleged scarring was reportedly caused by a pressure sore, which is most likely a result of overtightening.The end user noted redness a week after first being given the mask, but continued to use it for 2-3 weeks after the initial allergic reaction.The wisp mask meets all relevant iso standards for biocompatibility.Instructions for use for this mask states: "some users may experience skin redness, irritation, or discomfort.If this happens, discontinue use and contact your healthcare professional." "do not overtighten the headgear straps.Watch for signs of overtightening, such as excessive redness, sores, or bulging skin around the edges of the mask.Loosen the headgear straps to alleviate symptoms." based on the information available, the manufacturer concludes the reported event was most likely caused by the end users failure to follow instructions for use, and that no further action is necessary.
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