One returned sample was received from the customer.The sample was sent to the supplier for investigation.Testing was performed on the pad for microbiological and for adhesion.All tests passed and were within specification.A review of the device history record was not performed during this investigation as the lot number was not received with the complaint.All device history records are reviewed and approved by quality prior to release of product.Because there was no lot number, a date of manufacture could not be determined.This complaint will be considered unconfirmed.A root cause could not be identified.A possible root cause could be sensitivity to the adhesive directly on the skin or the fragile area the adhesive from the pad had shifted to.As this complaint will be unconfirmed, no corrective action is planned at this time.If additional information is received, the investigation will resume as needed.This complaint will be used for trending purposes.
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