This is filed to report that during preparation, the dilator cap was loose, and if were to reoccur during use has the potential to leak, causing or contributing to patient injury.It was reported that the steerable guiding catheter (sgc) was opened for preparation.When an attempt was made to close the cap of the dilator, it was observed that the cap never stopped spinning and was not tightening.The cap was turned harder, but detached.The decision was made to replace the device.There was no patient involvement and no clinically significant delay in the procedure.No additional information was provided.
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(b)(4).Evaluation summary: the device was returned and investigated.The reported dilator cap detachment was confirmed; however, the reported unstable cable was not confirmed.A review of the lot history record revealed no manufacturing nonconformities.Additionally, a review of the complaint history identified no other incidents reported from this lot.All available information was investigated and the reported detachment of the dilator cap appears to be related to user technique as it was reported that the cap detached was due to the user turning the cap harder to tighten it onto the valve; however, a definitive cause for the reported unstable cap could not be determined.It is possible that the user technique of closing/tightening the rotating hemostasis valve (rhv) cap contributed to the reported unstable cap; however, this cannot be definitively confirmed.Based on the information reviewed, there is no indication of a product quality issue with respect to design, manufacture or labeling of the device.
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