Upon discussion with the user facility, us endoscopy learned that facility personnel attributed the reported event to an overly tight strap.The device subject of the event was not retained by the user facility for evaluation and examination.Returned product from the same lot was examined and it was found that all straps were within specification.The bite block strap is flexible and adjustable to ensure proper fit to the patient's head.The device history record was reviewed and confirmed the device lot was manufactured to specification.There have been no other complaints associated with this lot.Additionally, the incoming inspection report for the strap component was reviewed and confirmed that the component lot was found to be within specifications.Statements from the device instructions for use include: "assess the patient's oral capacity to ensure it is compatible with the size requirements of the bite block.Assess patient for appropriate or intact dentition as well as oral and maxillofacial trauma prior to using and after removal of the bite block." a us endoscopy representative counseled user facility personnel on techniques for optimizing the strap fit.No further issues have been reported.
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