(b)(4).Additional information: the band was received cut into, with 16 cm of catheter attached.The cut was made near the closed end of the band.Some bio debris was evident.No other punctures or tears were visible.The port was received with 7 cm of catheter attached.Bio debris was evident in and around the port.The actuator ring was in locked position and could not be moved manually.The complaint of band slippage cannot be confirmed as product analysis cannot confirm events that are physiological in nature.While it is not possible to draw a definitive conclusion regarding root cause of band slippage, it is noted that band slippage is a recognized adverse event associated with gastric banding and the use of the realize adjustable gastric band.A device history record (dhr) review was performed, and no discrepancies were noted on the file during the manufacturing process.
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