A device history record review could not be performed because a lot number was not received with the complaint.As part of our manufacturing process, all device history records are reviewed and approved by quality, prior to release of product.There were no samples submitted with this complaint; however, the complaint will be reopened if a sample is later received.Because a sample was not returned, we were unable to perform a thorough follow up investigation to include functional and visual evaluations to confirm the reported issue and root cause analysis.Had a sample been received, it would have been evaluated against the established product requirements.Due to the nature of this type of product, it is more than likely that any skin irritation is related to skin sensitivity, and it is worth noting that patient sensitivities may have been a contributing factor.Previous complaints of this nature have not been known to cause permanent impairment or marking.This product family has been tested according to iso 10993 guidelines for biocompatibility that found both the hydrogel and skin contacting foam adhesive to be non-cytotoxic, non-irritating, and non-sensitizing.There have been no design changes to this product within the past year that would contribute to any increased probability for skin irritation on patients.As this complaint is unconfirmed and no complaint trend exists, a corrective action is not deemed necessary at this time.This complaint will be recorded for tracking and trending purposes.If information is provided in the future, a supplemental report will be issued.
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