BOSTON SCIENTIFIC CORPORATION WOLVERINE CORONARY CUTTING BALLOON MONORAIL; CATHETER, PERCUTANEOUS TRANSLUMINAL CORONARY ANGIOPLASTY (PTCA), CUTTING/SCORING
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Model Number 3851 |
Device Problems
Difficult to Remove (1528); Detachment of Device or Device Component (2907); Material Twisted/Bent (2981)
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Patient Problem
No Clinical Signs, Symptoms or Conditions (4582)
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Event Date 01/31/2024 |
Event Type
malfunction
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Event Description
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It was reported that a blade detachment occurred.The target lesion was located in the highly calcified distal right coronary artery (rca).A 10 mm x 2.75 mm wolverine coronary cutting balloon was selected for use.After dilation of the lesion, there was resistance during removal.When the device was checked after it was pulled outside the patient, it was noted that the blade detached.Consequently, the guide catheter and guide extension catheter were removed, flushed and the blade came out.The blade was removed outside patient's body, and the procedure was completed with this device.As per physician's opinion, the cause of the blade detachment was due to the highly calcified lesion, there were a possibility that the high-pressure inflation of the balloon could not withstand the pressure and the blade might have kinked and separated.There were no patient complications reported.
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Event Description
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It was reported that a blade detachment occurred.The target lesion was located in the highly calcified distal right coronary artery (rca).A 10 mm x 2.75 mm wolverine coronary cutting balloon was selected for use.After dilation of the lesion, there was resistance during removal.When the device was checked after it was pulled outside the patient, it was noted that the blade detached.Consequently, the guide catheter and guide extension catheter were removed, flushed and the blade came out.The blade was removed outside patient's body, and the procedure was completed with this device.As per physician's opinion, the cause of the blade detachment was due to the highly calcified lesion, there were a possibility that the high-pressure inflation of the balloon could not withstand the pressure and the blade might have kinked and separated.There were no patient complications reported.
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Manufacturer Narrative
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Device evaluated by mfr.: the device was returned for analysis.A visual, tactile and microscopic examination was performed on the device.A visual and tactile examination of hypotube shaft and shaft polymer extrusion identified no damages.A detailed microscopic examination of the balloon material identified no tears or holes in the balloon material.A microscopic examination of the blade identified that some damage existed to the blades.There was no damage on blade one.Blade and pad fully bonded onto the balloon.Blade two had detached from the proximal section approximately 2mm.The detached blade was not received for analysis.The pad at the detached section of blade was fully intact and bonded to the balloon.The entire blade three segment had detached from the balloon.Only approximately 5mm of the blade segment was received detached.The remaining 5mm of blade was not returned with the device.Further analysis of the balloon noted that the blade pad was fully bonded to the balloon.There were no issues identified during microscopic examination of the extrusion shaft.A microscopic examination of the tip section found no damage.Inspection of the remainder of the device, revealed no damage or irregularities.
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