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Other, other text: additional information: a2, a3, b1, b2, b5, h1 device evaluation: two 7.0 bivona air cuff devices were returned.Using the leak test procedure 20cc of air was applied to each device and submerged under water.There were no leaks detected on either device while the entire devices were manipulated under water.The cuff was filled with 20cc of air and allowed to rest for 4 hours.There was a slight loss of volume, which is expected with silicone air cuff devices.The complaint stated, ?when placed in the patient, two trach cuffs would not inflate?.All air device cuffs are 100% leak tested to prior to packaging.The instruction for use states to use either minimal leak or minimal occlusive volume techniques to establish the cuff and to ensure correct inflation at regular intervals.This investigation did not confirm the complaint or reveal any intrinsic manufacturing defects with the returned device.
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