BOSTON SCIENTIFIC CORPORATION WOLVERINE CORONARY CUTTING BALLOON MONORAIL; CATHETER, PERCUTANEOUS TRANSLUMINAL CORONARY ANGIOPLASTY (PTCA), CUTTING/SCORING
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Model Number 3851 |
Device Problem
Device Dislodged or Dislocated (2923)
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Patient Problem
No Clinical Signs, Symptoms or Conditions (4582)
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Event Date 12/19/2023 |
Event Type
malfunction
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Event Description
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It was reported that the blade was lifted.The target lesion was located in the left anterior descending artery (lad).A 10mmx3.25mm wolverine coronary cutting balloon was selected for use.During the procedure, the balloon was inflated 19 times at 20atm.The procedure was completed with this device.After the procedure was completed, it was found that the blade was lifted.There were no patient complications reported.
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Manufacturer Narrative
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E1: initial reporter city: (b)(6).
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Event Description
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It was reported that the blade was lifted.The target lesion was located in the left anterior descending artery (lad).A 10mmx3.25mm wolverine coronary cutting balloon was selected for use.During the procedure, the balloon was inflated 19 times at 20atm.The procedure was completed with this device.After the procedure was completed, it was found that the blade was lifted.There were no patient complications reported.It was further reported that the 90% stenosed target lesion was located in the moderately tortuous and severely calcified, with less than 90 degrees of angulation.
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Manufacturer Narrative
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E1.Initial reporter city: (b)(6).Device evaluated by manufacturer: the device was returned for analysis.Visual, tactile, microscopic analysis were performed on the device.A visual and tactile examination identified no damages on the hypotube shaft and shaft polymer extrusion.A visual examination identified that a blade was lifted.A detailed microscopic examination of the balloon material identified no issues.The balloon was returned in a deflated state.A microscopic examination of the blade segments identified the following: for the first blade, no damage was observed.Blade and pad fully bonded onto the balloon, two distal sections of the blades were lifted from the balloon on the second blade, and on the third blade, one segment of the blade was detached.A blade segment was returned which is likely to be the detached segment.The pad of the detached section was fully intact and bonded to the balloon.Approximately 2mm of the proximal blade section was detached and not returned with the distal part of the blade bonded to the pad and balloon.No issues identified during examination of the extrusion shaft.A microscopic examination of the tip section found no damage.
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