Final device investigation found that the device was returned in good visual condition.Upon eval, the stopcock lever was securely fastened and had sufficient friction to prevent unintended movement.The device was then pressure tested.The device showed no signs of leaking both with and without the obturator inserted into the sleeve.The device history record was reviewed, and no discrepancies were noted.As the device met all visual and functional testing criteria, no conclusion could be made as to what may have caused the reported event.
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