An attempt to inflate the balloon with water revealed a leak.Visual inspection at high magnification confirmed that the source of the leak was a micro tear in the balloon, approximately 4.5 mm from the balloon proximal tip.Based on the information provided and the investigation performed, the root cause of the tear could not be conclusively determined.The review of the lhr (f1500501) indicated that the device lot met all established performance criteria prior to shipment.(b)(4).See medwatch form #s 3004939290-2015-00309 & 3004939290-2015-00310.
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