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A visual inspection was performed on the returned device.The reported stent break was not confirmed; however, the stent implant was dislocated on the balloon where the distal end of the stent was, ant there was noted material deformation (lifted, flared, and stretched stent struts).The stent remained tight over the balloon.A review of the lot history record identified no manufacturing nonconformities issued to the reported lot that would have contributed to this event.Additionally, a review of the complaint history identified no other incidents.As the reported stent break was unable to be confirmed, it is possible the account was referring to the noted material deformation (lifted, flared, and stretched stent struts).The investigation was unable to determine a conclusive cause for the reported stent break.There is no indication of a product quality issue with respect to manufacture, design or labeling.
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