Product event summary: the sheath, 4fc12 with lot number 0009974355, was returned and analyzed.Visual inspection of the sheath showed it was intact with no apparent issues.Air aspiration was reproduced during aspiration of the sheath with a balloon test catheter introduced.The leak was most likely due to a tear in the hemostatic valve disc.In conclusion, the reported air ingress was confirmed through testing.The sheath failed the returned product inspection due to air ingress during aspiration.If information is provided in the future, a supplemental report will be issued.
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