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
Leak/Splash (1354)
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Patient Problem
No Clinical Signs, Symptoms or Conditions (4582)
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Event Date 07/28/2022 |
Event Type
malfunction
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Event Description
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It was reported that a retrograde bleeding in the shaft occurred.The 90% stenosed target lesion was located in the mildly tortuous and severely calcified left anterior descending artery.A 10mmx2.25mm wolverine coronary cutting balloon was selected for use.During the procedure, the balloon was inflated four times at 6atm within 30 seconds.However, retrograde bleeding was observed in the shaft.The device was simply removed without issue.The procedure was completed with the original device.No patient complications were reported.
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Event Description
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It was reported that a retrograde bleeding in the shaft occurred.The 90% stenosed target lesion was located in the mildly tortuous and severely calcified left anterior descending artery.A 10mmx2.25mm wolverine coronary cutting balloon was selected for use.During the procedure, the balloon was inflated four times at 6atm within 30 seconds.However, retrograde bleeding was observed in the shaft.The device was simply removed without issue.The procedure was completed with the original device.No patient complications were reported.
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Manufacturer Narrative
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Device evaluated by manufacturer: the device was returned for analysis.A visual examination identified that the balloon was not folded which indicates that the balloon was subjected to positive pressure.There was a large build-up of blood inside the balloon and inflation lumen.A microscopic examination of the balloon material and markerbands identified no tears or holes in the balloon material.All blades were intact within their pads and fully bonded to the balloon material.A visual, microscopic and tactile examination found no kinks or damages along the length of the hypotube.An examination of the inner / guidewire lumen identified damage 1cm proximal from the tip.The lumen was flattened.As a result of this damage to the lumen, it was not possible to pass a 0.014inch size guidewire through the inner / wire lumen.The markerbands and tip and of the device were visually and microscopically examined, and no issues were noted with the device that may have potentially contributed to the complaint incident.As a result of the build-up of solidified blood, the device was soaked overnight in a water bath at 37 degrees celsius.When an attempt was made to inflate the balloon, liquid leaked out through the tip.The leak is consistent with a puncture hole in the inner / wire lumen, located 1cm proximal to the tip.No other issues were identified during the product analysis.
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