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The device was returned to stryker sustainability solutions for evaluation.Upon inspection of the received complaint device, visual inspection of the elbow junctions and tubing to cuff adapters, revealed separation of the tubing from one of the elbow junctions.The quick connect o-rings and overall integrity of the connectors appeared to be in-tact with no visual indication of damage.The tubing was clear with no visual kinks, bends, or distress.The entire cuff appeared intact with no obvious signs of rips, tears, pilling, fraying, or lacerations.When the returned complaint device was inflated an audible hissing could be heard.The functional test confirmed the defect found during visual inspection, indicated that the complaint was confirmed for the reported failure mode.A review of the dhr could not be performed as the lot number was not reported.The following procedures support that the device was unlikely to have been released from stryker with the reported failure mode.Therefore, the most likely root cause is improper connection to pump.The instructions for use (ifu) state: warnings: it is important that the tourniquet cuff be applied at the proper location with adequate pressure for the appropriate amount of time.Avoid needles, towel clips, leg holders and other equipment that can puncture or otherwise damage the cuff.Directions for use: before beginning the procedure, verify compatibility of all devices and accessories.Prior to surgery, select the proper sized tourniquet cuff by measuring the circumference of the patient's limb.This will avoid problems caused by a tourniquet cuff that is too small or too large.Secure the cuff fasteners to ensure that the cuff stays in place during the procedure.If the package is damaged or if it was opened and the device was not used, return the device and packaging to stryker sustainability solutions.Inspect the device for overall condition and physical integrity.Do not use the device if any damage is noted.Return the device and packaging to stryker sustainability solutions if it is not in acceptable condition for surgery.The reported event will continue to be monitored through post-market surveillance.
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