Evaluation summary: the device was returned for evaluation.A visual and a tactile inspection was carried out on the returned device: a twist was found in the middle of the balloon.No further issues were detected.0,018¿¿ guidewire successfully passed.During the analysis, negative pressure was applied with a manometric syringe on the balloon: the purging test passed since no bubbles emerged in the water column.Afterwards, the balloon was inflated at: - 2 bars: many wrinkles were present, with a visible change in profile corresponding to the position of the twist - 4 bars: the change in profile was still visible.Less wrinkles on the balloon.¿ 7,14 bars: wrinkles and the change in profile were no longer visible.After the inflation test, the balloon was successfully deflated.Signs of twist were still visible after deflation.If information is provided in the future, a supplemental report will be issued.
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