Product event summary: the sheath, 4fc12 with lot number 24627 was returned and analyzed.Visual inspection of the sheath showed that the shaft was kinked on 9 inches from the end of handle.The sheath¿s distal tip and dilator tip were intact, no fracture and breakage were noticed.No teflon delamination was noticed at the tip of the sheath¿s shaft.The sheath tip was atraumatic and with no sharp edges.The inner diameter of the tip was within specification and it provided a smooth transition to the dilator.The transition gap between the tip and the dilator was normal as seen in sheaths.Functional testing of the sheath showed that the deflection worked as per specification.In conclusion, the sheath failed the returned product inspection due to a shaft kink.
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It was reported that during a cryo ablation procedure, the sheath was too tight for the balloon catheter to be advanced into the body.The sheath was replaced and the case was completed with cryo.No patient complications have been reported as a result of this event.The sheath was returned to the manufacturer, analyzed, and subsequently tested out of specification.
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