The reported complaint is considered inconclusive, the referenced device was not returned for evaluation within a reasonable time for the closure of the investigation.Review of complaints history for renasys ez plus serial # (b)(4) indicates no other complaint has been reported against this device.Loss of dressing adhesion could be attributed to a combination of factors such as wound location, constant friction, pressure directly applied to wound site, accumulation of moisture underneath the dressing, and proper preparation of the periwound skin as per clinical guidelines.Per information provided, wound was located in the sacral area with the patient in the supine position are particularly difficult to seal.In regards to a pump not triggering a blockage alarm while tubing was disconnected and capped off as described it is most likely due to device malfunction, however, without a technical evaluation it could not be confirmed.No further action is considered necessary at this time.There are no indications of patient injuries or harm associated with this issue.If more relevant information is provided at a later date this complaint could be re-opened and reviewed accordingly.The complaint is recorded and any similar issues will be monitored through the complaint system.
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