Device evaluation (b)(6)(2022): the investigation of the complaint was limited because no sample was returned.Due to fact that cuff leak was discovered during use (not before tracheostomy procedure during pretesting) it is the most probable that reported failure occurred due to contact with sharp edge which is in conflict with instruction for use as10001031-002 rev.100, page 5, precautions, point 6: "guard against cuff damage by avoiding contact with sharp edges".Unfortunately without the sample we are unable to determine the cause of this issue.A review of the device history records shows there were no observations recorded during manufacture to suggest an issue of this nature would occur with this lot of product.No trend of confirmed complaints in relation with this issue was identified.
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