It is reported that the balloon burst inside a preexisting stent, inside a dialysis graft.A new stent was placed inside existing stent, and post dilated with a new balloon with a good result.Evaluation summary: the evercross dilation catheter was received for evaluation.Sanguine material was present on the device.The catheter balloon material was in post-inflation profile; it was not tight-wrapped or winged.The device was inflated with water a water filled 10cc syringe: water was observed weeping from the balloon material.The device was then immersed in a water bath and inflated with an air filled 10cc syringe: air bubbles were observe exiting a pinhole leak near the proximal end of the balloon chamber.A 10cc water filled syringe was attached and the balloon fully inflated to locate the pinhole leak.
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